/* ════════════════════════════════════════
   КорпПортал — Dark Blue Theme
   ════════════════════════════════════════ */

:root {
  --bg-deep:    #060d1a;
  --bg-base:    #0a1628;
  --bg-card:    #0f2040;
  --bg-hover:   #162a52;
  --border:     #1e3a6e;
  --border-light: #234080;

  --blue-primary: #3b82f6;
  --blue-bright:  #60a5fa;
  --blue-glow:    #1d4ed8;
  --blue-muted:   #1e40af;

  --text-primary: #e2e8f0;
  --text-sub:     #94a3b8;
  --text-muted:   #64748b;

  --success: #22c55e;
  --danger:  #ef4444;
  --warning: #f59e0b;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --glow: 0 0 20px rgba(59,130,246,0.15);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.6;
}

a { color: var(--blue-bright); text-decoration: none; }
a:hover { color: #93c5fd; }

/* ─── NAVBAR ────────────────────────────────────── */
.navbar {
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  height: 60px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 18px;
  color: var(--blue-bright);
  margin-right: 32px;
}
.nav-logo { font-size: 22px; }

.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; white-space: nowrap;   /* подписи пунктов меню не переносим */
  border-radius: var(--radius);
  color: var(--text-sub);
  font-size: 14px;
  transition: all 0.2s;
}
.nav-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-link.active { background: var(--blue-muted); color: var(--blue-bright); }
.nav-icon { font-size: 16px; }

.nav-user {
  display: flex; align-items: center; gap: 10px;
  margin-left: auto;
}
.user-badge {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 4px 12px; border-radius: 20px;
  font-size: 13px; color: var(--text-sub);
}
.admin-badge {
  background: var(--blue-muted); color: var(--blue-bright);
  padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700;
}
.btn-logout {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); padding: 5px 12px; border-radius: var(--radius);
  font-size: 13px; transition: all 0.2s; cursor: pointer;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

.burger {
  display: none; background: none; border: none;
  color: var(--text-primary); font-size: 22px; cursor: pointer; margin-left: 12px;
}

/* ─── MOBILE MENU ───────────────────────────────── */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 60px; z-index: 99;
}
.mobile-menu.open { display: flex; }
.mob-link {
  padding: 14px 24px;
  color: var(--text-sub); border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.mob-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.mob-link.logout { color: var(--danger); }

/* ─── MAIN CONTENT ──────────────────────────────── */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

/* ─── FLASH MESSAGES ─────────────────────────────── */
.flash-container { margin-bottom: 20px; }
.flash {
  padding: 12px 18px; border-radius: var(--radius);
  margin-bottom: 8px; font-size: 14px;
  border-left: 3px solid;
}
.flash-success { background: rgba(34,197,94,0.1);  border-color: var(--success); color: #86efac; }
.flash-error   { background: rgba(239,68,68,0.1);   border-color: var(--danger);  color: #fca5a5; }
.flash-info    { background: rgba(59,130,246,0.1);  border-color: var(--blue-primary); color: var(--blue-bright); }

/* ─── PAGE HEADER ────────────────────────────────── */
.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 26px; font-weight: 700; color: var(--text-primary); }
.page-sub { color: var(--text-sub); margin-top: 4px; font-size: 14px; }

.back-link { display: inline-block; color: var(--text-muted); font-size: 14px; margin-bottom: 8px; }
.back-link:hover { color: var(--blue-bright); }

/* ─── LOGIN ──────────────────────────────────────── */
.login-body {
  background: radial-gradient(ellipse at 50% 0%, #0f2040 0%, #060d1a 70%);
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-wrap { width: 100%; max-width: 400px; }
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow), var(--glow);
  text-align: center;
}
.login-logo {
  font-size: 48px; color: var(--blue-bright);
  margin-bottom: 12px;
}
.login-title { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.login-sub { color: var(--text-muted); font-size: 14px; margin-bottom: 28px; }
.login-form { text-align: left; }

/* ─── FORMS ──────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--bg-base); border: 1px solid var(--border);
  color: var(--text-primary); padding: 10px 14px;
  border-radius: var(--radius); font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ─── BUTTONS ─────────────────────────────────────── */
.btn-primary {
  background: var(--blue-primary); color: #fff;
  border: none; padding: 10px 20px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  display: inline-block;
}
.btn-primary:hover { background: var(--blue-glow); box-shadow: 0 0 12px rgba(59,130,246,0.4); color: #fff; }
.btn-outline {
  background: transparent; color: var(--blue-bright);
  border: 1px solid var(--blue-primary); padding: 10px 20px;
  border-radius: var(--radius); font-size: 14px; cursor: pointer;
  display: inline-block; transition: all 0.2s;
}
.btn-outline:hover { background: rgba(59,130,246,0.1); color: var(--blue-bright); }
.btn-danger {
  background: rgba(239,68,68,0.15); color: var(--danger);
  border: 1px solid rgba(239,68,68,0.3); padding: 10px 20px;
  border-radius: var(--radius); font-size: 14px; cursor: pointer;
  transition: all 0.2s;
}
.btn-danger:hover { background: rgba(239,68,68,0.3); }
.btn-sm  { padding: 6px 14px; font-size: 13px; }
.btn-xs  { padding: 3px 10px; font-size: 12px; border-radius: 4px; cursor: pointer; }
.btn-blue { background: rgba(59,130,246,0.15); color: var(--blue-bright); border: 1px solid var(--border-light); }
.btn-blue:hover { background: rgba(59,130,246,0.3); }
.btn-xs.btn-danger { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.btn-xs.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn-xs.disabled { opacity: 0.4; cursor: default; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-muted); }
.w-full { width: 100%; }
.link-btn { background: none; border: none; color: var(--blue-bright); cursor: pointer; font-size: 14px; }

/* ─── CARDS ───────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.card-header {
  padding: 14px 20px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 14px; font-weight: 600; color: var(--blue-bright);
  border-bottom: 1px solid var(--border);
  user-select: none;
}
.card-header:hover { background: var(--bg-hover); }
.card-body { padding: 20px; }
.mb-4 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 14px; }
.collapse { display: none; }

/* ─── DASHBOARD CARDS ────────────────────────────── */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-bottom: 32px;
}
.dash-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  display: flex; align-items: center; gap: 20px;
  transition: all 0.25s; cursor: pointer; color: var(--text-primary);
  position: relative; overflow: hidden;
}
.dash-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue-primary), #818cf8);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.dash-card:hover { background: var(--bg-hover); border-color: var(--blue-primary); color: var(--text-primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.dash-card:hover::before { transform: scaleX(1); }
.dash-card-icon { font-size: 36px; flex-shrink: 0; }
.qr-icon { color: var(--blue-bright); }
.dash-card-body h2 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.dash-card-body p  { font-size: 13px; color: var(--text-muted); }
.dash-card-arrow { margin-left: auto; color: var(--blue-primary); font-size: 20px; }

.info-strip {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 24px;
  display: flex; gap: 32px; flex-wrap: wrap;
}
.info-item { display: flex; flex-direction: column; gap: 4px; }
.info-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.info-val { font-size: 14px; font-weight: 600; }
.role-admin { color: var(--blue-bright); }
.online { color: var(--success); }

/* ─── QR GRID ─────────────────────────────────────── */
.qr-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.qr-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  transition: all 0.2s;
}
.qr-card:hover { border-color: var(--blue-primary); box-shadow: var(--glow); }
.qr-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.qr-icon-sm { font-size: 20px; color: var(--blue-bright); }
.qr-title { font-weight: 600; font-size: 15px; }
.qr-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.qr-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.qr-view-wrap {
  display: grid; grid-template-columns: auto 1fr; gap: 40px;
  align-items: start;
}
.qr-display { text-align: center; }
.qr-image {
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 260px; width: 100%;
  background: var(--bg-deep);
}
.qr-hint { font-size: 13px; color: var(--text-muted); margin-top: 10px; }
.qr-info-panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
}
.info-row { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.info-row:last-of-type { border-bottom: none; }
.info-key { min-width: 90px; font-size: 13px; color: var(--text-muted); }
.link-wrap { word-break: break-all; font-size: 13px; color: var(--blue-bright); }
.qr-btn-group { margin-top: 20px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── EXPLORER ─────────────────────────────────────── */
.explorer {
  display: grid; grid-template-columns: 220px 1fr; gap: 0;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; min-height: 400px;
}
.explorer-sidebar {
  background: var(--bg-base); border-right: 1px solid var(--border);
  padding: 8px 0;
}
.sidebar-title {
  padding: 10px 16px 6px;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.sidebar-folder {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  font-size: 13px; color: var(--text-sub);
  border-left: 3px solid transparent;
  transition: all 0.2s; cursor: pointer;
}
.sidebar-folder:hover { background: var(--bg-hover); color: var(--text-primary); border-left-color: var(--blue-primary); }
.file-count {
  margin-left: auto; background: var(--bg-card);
  padding: 1px 7px; border-radius: 10px; font-size: 11px; color: var(--text-muted);
}

.explorer-main { background: var(--bg-card); }
.admin-toolbar { display: flex; gap: 10px; margin-bottom: 12px; }

.kb-folder { border-bottom: 1px solid var(--border); }
.kb-folder:last-child { border-bottom: none; }
.kb-folder-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px; cursor: pointer;
  user-select: none; transition: background 0.15s;
  position: relative;
}
.kb-folder-header:hover { background: var(--bg-hover); }
.folder-arrow { color: var(--text-muted); font-size: 12px; transition: transform 0.2s; width: 14px; }
.folder-arrow.open { transform: rotate(90deg); color: var(--blue-bright); }
.folder-icon { font-size: 18px; }
.folder-name { font-weight: 600; font-size: 14px; }
.folder-count { font-size: 12px; color: var(--text-muted); }
.folder-admin-btns { margin-left: auto; display: flex; gap: 6px; }
.folder-admin-btns form { margin: 0; }

.kb-folder-content { padding: 0 20px 16px 44px; }
.folder-empty { padding: 12px 0; color: var(--text-muted); font-size: 14px; }

.file-table {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
.file-table th {
  text-align: left; padding: 10px 12px;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}
.file-row { border-bottom: 1px solid rgba(30,58,110,0.3); transition: background 0.15s; }
.file-row:last-child { border-bottom: none; }
.file-row:hover { background: var(--bg-hover); }
.file-row td { padding: 10px 12px; vertical-align: middle; }
.file-name-cell { display: flex; align-items: center; gap: 8px; }
.file-type-icon { font-size: 16px; }
.file-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.text-muted { color: var(--text-muted); }

/* ─── MODAL ───────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); width: 100%; max-width: 480px;
  box-shadow: var(--shadow); overflow: hidden;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 15px;
}
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; }
.modal-close:hover { color: var(--danger); }
.modal-form { padding: 20px; }
.modal-folder-name { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.modal-footer { display: flex; gap: 10px; margin-top: 16px; }

/* ─── EMPTY STATE ─────────────────────────────────── */
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--text-muted);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-hint { font-size: 13px; margin-top: 6px; }

.inline-form { display: flex; gap: 10px; align-items: center; }
.inline-form input { flex: 1; }
.upload-form {}

/* ─── RESPONSIVE ─────────────────────────────────── */
/* Меню не влезает в одну строку: сначала ужимаем отступы, потом оставляем
   значки (подпись — только у открытого раздела, остальные — во всплывающей подсказке) */
@media (max-width: 1600px) {
  .nav-brand { margin-right: 16px; }
  .nav-links { gap: 2px; }
  .nav-link  { padding: 6px 9px; }
}
@media (max-width: 1440px) and (min-width: 769px) {
  .nav-link .nav-text { display: none; }
  .nav-link.active .nav-text { display: inline; }
}
@media (max-width: 900px) and (min-width: 769px) {
  .nav-link.active .nav-text { display: none; }
  .nav-title { display: none; }          /* остаются иконка и метка BMT */
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-user  { display: none; }
  .burger    { display: block; }
  .nav-brand { margin-right: 0; }

  .main-content { padding: 20px 16px 40px; }
  .page-header h1 { font-size: 20px; }

  .form-row { grid-template-columns: 1fr; }

  .qr-view-wrap { grid-template-columns: 1fr; }
  .qr-image { max-width: 200px; }

  .explorer { grid-template-columns: 1fr; }
  .explorer-sidebar {
    border-right: none; border-bottom: 1px solid var(--border);
    display: flex; flex-wrap: wrap; padding: 8px 12px; gap: 6px;
  }
  .sidebar-title { width: 100%; }
  .sidebar-folder {
    border-left: none; border: 1px solid var(--border);
    border-radius: 20px; padding: 5px 12px;
  }

  .hide-mobile { display: none; }
  .kb-folder-header { padding: 12px 14px; }
  .kb-folder-content { padding: 0 14px 12px 28px; }
  .info-strip { gap: 20px; }
  .qr-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }

  .inline-form { flex-wrap: wrap; }
}

@media print {
  .navbar, .admin-toolbar, .btn-primary, .btn-outline, .btn-danger { display: none !important; }
  body { background: white; color: black; }
  .qr-image { border-color: #ccc; }
}

/* QR canvas styling */
.qr-canvas-wrap {
  display: inline-block;
  padding: 12px;
  background: #0a1628;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
}
.qr-canvas-wrap canvas, .qr-canvas-wrap img {
  display: block;
}

/* ═══════════════════════════════════════════════════
   EXPLORER — файловый менеджер
   ═══════════════════════════════════════════════════ */

/* Хлебные крошки */
.breadcrumbs {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 4px; margin-top: 8px; font-size: 13px;
}
.crumb { color: var(--blue-bright); padding: 2px 6px; border-radius: 4px; }
.crumb:hover { background: var(--bg-hover); }
.crumb-root { color: var(--text-muted); }
.crumb-sep { color: var(--text-muted); }

/* Тулбар */
.kb-toolbar {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; margin-bottom: 14px;
}
.toolbar-hint { font-size: 12px; color: var(--text-muted); }
.toolbar-hint code { background: var(--bg-card); padding: 1px 6px; border-radius: 4px;
  color: var(--blue-bright); font-family: monospace; }

/* Панели (collapsible) */
.panel-collapse {
  display: none;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 14px;
}
.panel-collapse.open { display: block; }
.inline-panel { display: flex; gap: 14px; align-items: flex-start; flex-wrap: wrap; }
.inline-panel .form-group { margin-bottom: 0; }

/* Таблица проводника */
.explorer-wrap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.explorer-table { width: 100%; border-collapse: collapse; }
.explorer-table th {
  padding: 10px 16px; text-align: left;
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .05em;
  background: var(--bg-base); border-bottom: 1px solid var(--border);
}
.col-name    { width: 50%; }
.col-size    { width: 10%; }
.col-date    { width: 14%; }
.col-actions { width: 130px; }

.explorer-row { border-bottom: 1px solid rgba(30,58,110,.25); transition: background .13s; }
.explorer-row:last-child { border-bottom: none; }
.explorer-row:hover { background: var(--bg-hover); }

.folder-row .col-name { font-weight: 600; }

.col-name { padding: 0; }
.node-link {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 16px; color: var(--text-primary); width: 100%;
}
.node-link:hover { color: var(--text-primary); }
.folder-link:hover .node-name { color: var(--blue-bright); }
.file-link:hover .node-name { text-decoration: underline; color: var(--blue-bright); }
.node-icon { font-size: 17px; flex-shrink: 0; }
.node-name  { flex: 1; word-break: break-word; }
.folder-badge {
  background: var(--bg-base); border: 1px solid var(--border);
  padding: 1px 7px; border-radius: 10px; font-size: 11px;
  color: var(--text-muted); font-weight: 400;
}

.col-size, .col-date { padding: 11px 16px; vertical-align: middle; font-size: 13px; }
.col-actions { padding: 8px 12px; vertical-align: middle; }

.row-actions { display: flex; gap: 5px; }
.row-actions form { margin: 0; }

@media (max-width: 768px) {
  .hide-mobile { display: none; }
  .kb-toolbar { gap: 8px; }
  .col-article { display: none; }
  .col-actions { width: auto; }
  .row-actions { flex-wrap: wrap; gap: 4px; }
  .node-link { padding: 10px 10px; gap: 7px; }
  .node-name { min-width: 0; }
}

/* ═══════════════════════════════════════════════════
   ПОИСК ПО БАЗЕ ЗНАНИЙ
   ═══════════════════════════════════════════════════ */

.kb-search-form { margin-bottom: 20px; }
.kb-search-wrap {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 6px 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.kb-search-wrap:focus-within {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.kb-search-icon { font-size: 16px; color: var(--text-muted); flex-shrink: 0; }
.kb-search-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text-primary); font-size: 14px; padding: 4px 0;
}
.kb-search-input::placeholder { color: var(--text-muted); }
.kb-search-clear {
  color: var(--text-muted); font-size: 14px; padding: 2px 6px;
  border-radius: 4px; cursor: pointer; flex-shrink: 0;
  line-height: 1;
}
.kb-search-clear:hover { background: rgba(239,68,68,0.15); color: var(--danger); }

.search-header {
  margin-bottom: 14px; padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.search-count { font-size: 14px; color: var(--text-sub); }
.search-scope-line { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.kb-search-scope {
  background: var(--bg-card); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; padding: 4px 6px; flex-shrink: 0; max-width: 40%;
}

.col-path { width: 24%; }

@media (max-width: 768px) {
  .kb-search-wrap { padding: 5px 10px; }
}

/* ═══════════════════════════════════════════════════
   КОРОТКИЕ ССЫЛКИ / SHORT URL
   ═══════════════════════════════════════════════════ */

.short-url-badge {
  margin: 14px auto 4px;
  max-width: 260px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: var(--radius);
  padding: 8px 14px;
  text-align: center;
}
.short-url-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.short-url-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-bright);
  word-break: break-all;
}
.short-url-val:hover { text-decoration: underline; }

.short-link-pill {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-bright);
  word-break: break-all;
}
.short-link-pill:hover { text-decoration: underline; }

/* ═══════════════════════════════════════════════════
   НАВИГАЦИЯ — КНОПКА СКАНЕРА
   ═══════════════════════════════════════════════════ */

.nav-link-scan {
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
}
.nav-link-scan:hover,
.nav-link-scan.active {
  background: var(--blue-muted) !important;
  border-color: var(--blue-primary);
  color: var(--blue-bright) !important;
}
.mob-link-scan {
  color: var(--blue-bright) !important;
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════
   СКАНЕР QR-КОДОВ
   ═══════════════════════════════════════════════════ */

.scan-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

.scan-camera-card {
  grid-column: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.scan-viewport-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  background: #000;
  overflow: hidden;
}
.scan-video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.scan-canvas { display: none; }

/* Прицел */
.scan-reticle {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.reticle-corner {
  position: absolute;
  width: 36px; height: 36px;
  border-color: var(--blue-bright);
  border-style: solid;
  border-width: 0;
}
.tl { top: 22%; left: 15%; border-top-width: 3px; border-left-width: 3px;  border-radius: 4px 0 0 0; }
.tr { top: 22%; right:15%; border-top-width: 3px; border-right-width: 3px; border-radius: 0 4px 0 0; }
.bl { bottom:22%; left: 15%; border-bottom-width:3px; border-left-width: 3px; border-radius:0 0 0 4px; }
.br { bottom:22%; right:15%; border-bottom-width:3px; border-right-width:3px; border-radius:0 0 4px 0; }

.scan-line {
  position: absolute;
  left: 15%; right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-bright), transparent);
  box-shadow: 0 0 8px var(--blue-primary);
  animation: scanLineMove 2s ease-in-out infinite;
  animation-play-state: paused;
  top: 22%;
}
@keyframes scanLineMove {
  0%   { top: 23%; }
  50%  { top: 74%; }
  100% { top: 23%; }
}

.scan-overlay-status {
  display: none;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(6,13,26,0.82);
  backdrop-filter: blur(4px);
  color: var(--blue-bright);
  font-size: 13px;
  padding: 8px 16px;
  align-items: center;
  gap: 8px;
}
.scan-pulse {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--blue-bright);
  border-radius: 50%;
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity:1; transform:scale(1); }
  50%       { opacity:.4; transform:scale(.7); }
}

.scan-controls {
  display: flex; gap: 10px; flex-wrap: wrap;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

/* Переключатель режима QR / Штрих-код */
.scan-mode-toggle {
  display: flex;
  gap: 0;
  padding: 14px 18px 0;
}
.scan-mode-seg {
  display: inline-flex;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  width: 100%;
}
.scan-mode-btn {
  flex: 1;
  padding: 9px 14px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.scan-mode-btn:hover { color: var(--text-primary); }
.scan-mode-btn.active {
  background: var(--blue-primary);
  color: #fff;
}

/* Прицел в режиме штрих-кода — широкая низкая рамка */
.scan-reticle.mode-barcode .tl { top: 35%; left: 10%; }
.scan-reticle.mode-barcode .tr { top: 35%; right: 10%; }
.scan-reticle.mode-barcode .bl { bottom: 35%; left: 10%; }
.scan-reticle.mode-barcode .br { bottom: 35%; right: 10%; }
.scan-reticle.mode-barcode .scan-line {
  left: 10%; right: 10%;
  animation-name: scanLineBarcode;
}
@keyframes scanLineBarcode {
  0%   { top: 37%; }
  50%  { top: 61%; }
  100% { top: 37%; }
}

.scan-manual { padding: 14px 18px; }
.scan-manual-label { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.scan-manual-row { display: flex; gap: 8px; }
.scan-manual-input {
  flex: 1;
  background: var(--bg-base); border: 1px solid var(--border);
  color: var(--text-primary); padding: 8px 12px;
  border-radius: var(--radius); font-size: 13px;
}
.scan-manual-input:focus {
  outline: none; border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

/* Карточка результата — правая колонка */
.scan-result-card {
  grid-column: 2;
  background: var(--bg-card);
  border: 1px solid var(--blue-primary);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 0 24px rgba(59,130,246,0.15);
}
.scan-result-icon  { font-size: 48px; margin-bottom: 10px; }
.scan-result-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.scan-result-url {
  font-size: 12px; color: var(--text-muted);
  word-break: break-all; margin-bottom: 20px;
  background: var(--bg-base); padding: 8px 12px;
  border-radius: var(--radius); border: 1px solid var(--border);
}
.scan-result-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* История */
.scan-history-card {
  grid-column: 2;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.scan-history-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px; font-weight: 600; color: var(--text-sub);
}
.scan-history-list { list-style: none; max-height: 260px; overflow-y: auto; }
.scan-history-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(30,58,110,0.3);
  transition: background 0.13s;
}
.scan-history-item:last-child { border-bottom: none; }
.scan-history-item:hover { background: var(--bg-hover); }
.history-url {
  font-size: 13px; color: var(--blue-bright);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.history-time { font-size: 11px; color: var(--text-muted); }

/* Адаптив сканера */
@media (max-width: 900px) {
  .scan-layout { grid-template-columns: 1fr; }
  .scan-result-card,
  .scan-history-card { grid-column: 1; }
}
@media (max-width: 600px) {
  .scan-viewport-wrap { aspect-ratio: 1/1; }
  .tl,.bl { left: 8%; }
  .tr,.br { right: 8%; }
}

/* ═══════════════════════════════════════════════════
   СКАНЕР — исправление layout и новые элементы
   ═══════════════════════════════════════════════════ */

/* Правая колонка — всегда занимает место */
.scan-right-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Заглушка "нажмите запустить" */
.scan-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: absolute;
  inset: 0;
  background: var(--bg-base);
  color: var(--text-muted);
  font-size: 14px;
  z-index: 1;
}
.scan-placeholder-icon { font-size: 48px; opacity: .5; }

/* Подсказка "как сканировать" */
.scan-tip-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}
.scan-tip-icon  { font-size: 36px; margin-bottom: 10px; }
.scan-tip-title { font-weight: 700; font-size: 15px; margin-bottom: 12px; color: var(--text-primary); }
.scan-tip-list  {
  list-style: none;
  text-align: left;
  display: inline-block;
}
.scan-tip-list li {
  font-size: 13px;
  color: var(--text-sub);
  padding: 4px 0 4px 18px;
  position: relative;
}
.scan-tip-list li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--blue-bright);
}

/* Viewport — position:relative чтобы absolute дочерние работали */
.scan-viewport-wrap { position: relative; }

/* ═══════════════════════════════════════════════════
   НАВИГАЦИЯ — КНОПКА ЛОГОВ (только admin)
   ═══════════════════════════════════════════════════ */
.nav-link-logs {
  background: rgba(245,158,11,0.07);
  border: 1px solid rgba(245,158,11,0.2);
}
.nav-link-logs:hover,
.nav-link-logs.active {
  background: rgba(245,158,11,0.15) !important;
  border-color: #f59e0b;
  color: #f59e0b !important;
}

/* Навигация — кнопка пользователей */
.nav-link-users {
  background: rgba(167,139,250,0.07);
  border: 1px solid rgba(167,139,250,0.2);
}
.nav-link-users:hover,
.nav-link-users.active {
  background: rgba(167,139,250,0.15) !important;
  border-color: #a78bfa;
  color: #a78bfa !important;
}

/* Карточки — 3 и 4 в ряд для admin */
@media (min-width: 900px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ═══════════════════════════════════════════════════
   SERVER ADDRESSES — блок IP на дашборде
   ═══════════════════════════════════════════════════ */
.server-addresses {
  margin-top: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.server-addresses-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
}
.sa-icon  { font-size: 18px; }
.sa-title { font-weight: 700; font-size: 14px; color: var(--blue-bright); }
.sa-hint  { font-size: 12px; color: var(--text-muted); margin-left: auto; }
.sa-list  { padding: 8px 0; }
.sa-item  {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 20px;
  border-bottom: 1px solid rgba(30,58,110,.2);
  transition: background .13s;
}
.sa-item:last-child { border-bottom: none; }
.sa-item:hover { background: var(--bg-hover); }
.sa-item.sa-local { opacity: .7; }
.sa-left { display: flex; align-items: center; gap: 14px; flex: 1; }
.sa-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  color: var(--text-muted); letter-spacing: .05em; min-width: 70px;
}
.sa-url   { font-family: monospace; font-size: 14px; color: var(--blue-bright); }
.sa-url:hover { text-decoration: underline; }
.sa-copy  { flex-shrink: 0; }

@media (max-width: 600px) {
  .sa-hint { display: none; }
}

/* ═══════════════════════════════════════════════════
   АРТИКУЛЫ — колонка в таблице базы знаний
   ═══════════════════════════════════════════════════ */
.col-article {
  width: 110px;
  padding: 8px 10px;
  vertical-align: middle;
  text-align: center;
}
.article-badge {
  display: inline-block;
  font-family: monospace;
  font-size: 12px; font-weight: 700;
  color: var(--blue-bright);
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.3);
  border-radius: 6px;
  padding: 2px 8px;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.article-badge:hover { background: rgba(59,130,246,.25); color: #93c5fd; }
.article-empty { font-size: 12px; color: var(--text-muted); }
.article-gen-btn { font-size: 11px !important; white-space: nowrap; }

/* ═══════════════════════════════════════════════════
   QR EDITOR — страница kb_qr.html
   ═══════════════════════════════════════════════════ */
.qr-editor-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: start;
}

/* ── Левая панель: превью + артикул ── */
.qr-editor-left { display: flex; flex-direction: column; gap: 16px; }

.qr-preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}
.qr-preview-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--text-muted); margin-bottom: 14px;
}
.qr-preview-url {
  margin-top: 12px; font-size: 11px;
  word-break: break-all; color: var(--text-muted);
}
.qr-preview-url a { color: var(--blue-bright); }

/* Панель артикула */
.article-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
}
.article-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; font-weight: 700; color: var(--text-sub);
  margin-bottom: 10px;
}
.article-number { text-align: center; margin-bottom: 10px; }
.article-badge-lg {
  display: inline-block;
  font-family: monospace;
  font-size: 22px; font-weight: 700;
  color: var(--blue-bright);
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.3);
  border-radius: 8px;
  padding: 6px 18px;
  letter-spacing: .08em;
}
.article-edit-row {
  display: flex; gap: 6px; align-items: center; margin-top: 8px;
}
.article-edit-input {
  flex: 1; background: var(--bg-base); border: 1px solid var(--border);
  color: var(--text-primary); padding: 6px 10px;
  border-radius: var(--radius); font-size: 14px; font-family: monospace;
}
.article-edit-input:focus { outline: none; border-color: var(--blue-primary); }

/* ── Правая панель: настройки ── */
.qr-editor-right { display: flex; flex-direction: column; gap: 20px; }

.qr-settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
}
.qr-settings-title {
  font-weight: 700; font-size: 15px; margin-bottom: 18px;
  color: var(--text-primary);
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.qr-settings-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin-bottom: 18px;
}
.qr-setting-group { display: flex; flex-direction: column; gap: 6px; }
.qr-setting-label {
  font-size: 12px; font-weight: 600;
  color: var(--text-sub); text-transform: uppercase; letter-spacing: .04em;
}

/* Слайдеры размера/отступа */
.qr-slider-wrap { display: flex; align-items: center; gap: 10px; }
.qr-slider {
  flex: 1; height: 4px; cursor: pointer;
  accent-color: var(--blue-primary);
}
.qr-slider-val {
  font-size: 13px; font-weight: 700; color: var(--blue-bright);
  min-width: 22px; text-align: right;
}
.qr-slider-hints {
  display: flex; justify-content: space-between;
  font-size: 10px; color: var(--text-muted);
}

/* Цвета */
.color-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.color-pick {
  width: 36px; height: 36px; padding: 2px; border-radius: 6px;
  border: 1px solid var(--border); background: transparent; cursor: pointer;
}
.color-hex {
  width: 84px; background: var(--bg-base); border: 1px solid var(--border);
  color: var(--text-primary); padding: 6px 8px; border-radius: var(--radius);
  font-size: 12px; font-family: monospace;
}
.color-hex:focus { outline: none; border-color: var(--blue-primary); }
.color-presets { display: flex; gap: 5px; flex-wrap: wrap; }
.color-presets button {
  width: 22px; height: 22px; border-radius: 4px;
  border: 1px solid rgba(255,255,255,.1);
  cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.color-presets button:hover {
  transform: scale(1.2);
  box-shadow: 0 0 6px rgba(255,255,255,.3);
}

/* Быстрые темы */
.qr-themes {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding-top: 14px; border-top: 1px solid var(--border);
}
.qr-themes-label { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.theme-btn {
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: 20px; padding: 4px 12px; font-size: 12px;
  color: var(--text-sub); cursor: pointer; transition: all .15s;
}
.theme-btn:hover {
  background: var(--bg-hover);
  border-color: var(--blue-primary);
  color: var(--text-primary);
}

/* Панель кнопок действий */
.qr-action-bar { display: flex; gap: 10px; flex-wrap: wrap; }

/* Адаптив редактора */
@media (max-width: 900px) {
  .qr-editor-layout { grid-template-columns: 1fr; }
  .qr-editor-left  { order: 2; }
  .qr-editor-right { order: 1; }
}
@media (max-width: 600px) {
  .qr-settings-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════
   ТЕХ. УЧЁБА — навигация и страница
   ═══════════════════════════════════════════════════ */

/* Кнопка в navbar */
.nav-link-training {
  background: rgba(163,230,53,0.07);
  border: 1px solid rgba(163,230,53,0.2);
}
.nav-link-training:hover,
.nav-link-training.active {
  background: rgba(163,230,53,0.15) !important;
  border-color: #a3e635;
  color: #a3e635 !important;
}

/* Мобильное меню */
.mob-link-training {
  color: #a3e635 !important;
  font-weight: 600;
}

/* Карточка на дашборде */
.dash-card-training::before {
  background: linear-gradient(90deg, #a3e635, #4ade80) !important;
}
.dash-card-training:hover {
  border-color: #a3e635 !important;
  box-shadow: 0 0 20px rgba(163,230,53,0.12) !important;
}

/* Заголовок страницы */
.tr-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.tr-header-badge {
  background: rgba(163,230,53,0.1);
  border: 1px solid rgba(163,230,53,0.3);
  color: #a3e635;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
  align-self: center;
}

/* Иконки файлов — чуть зеленее акцент */
.tr-file-icon { filter: hue-rotate(60deg) saturate(1.2); }

/* Пустое состояние */
.empty-state .empty-icon { filter: none; }

/* ═══════════════════════════════════════════════════
   FILE VIEWER MODAL
   ═══════════════════════════════════════════════════ */
.fv-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.88); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.fv-modal {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 1200px;
  height: calc(100vh - 80px);
  display: flex; flex-direction: column;
  box-shadow: 0 8px 48px rgba(0,0,0,0.7);
  overflow: hidden;
}
.fv-header {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 16px; border-bottom: 1px solid var(--border);
  background: var(--bg-base); flex-shrink: 0;
}
.fv-icon { font-size: 18px; flex-shrink: 0; }
.fv-title {
  font-size: 14px; font-weight: 600; color: var(--text-primary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; min-width: 0;
}
.fv-controls { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.fv-body {
  flex: 1; min-height: 0; min-width: 0; overflow: hidden; background: var(--bg-deep);
  position: relative; display: flex;
}
.fv-iframe {
  width: 100%; height: 100%; border: none; display: block;
  background: #fff;
}
.fv-img-wrap {
  flex: 1; display: flex; align-items: center; justify-content: center;
  overflow: auto; padding: 20px;
}
.fv-img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  border-radius: var(--radius);
}
.fv-vid-wrap {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: #000; overflow: hidden;
}
.fv-video { max-width: 100%; max-height: 100%; min-height: 0; outline: none; }
.fv-vid-wrap:has(.fv-video-guide) .fv-video { max-height: calc(100% - 62px); }
.fv-video-guide { flex: none; width: min(100%, 720px); padding: 7px 12px 12px; color: #fff; font-size: 12px; text-align: center; }
.fv-video-guide-track { position: relative; height: 7px; margin-top: 6px; border-radius: 9px; background: #334155; }
.fv-video-guide-track span { position: absolute; top: 0; bottom: 0; border-radius: 9px; background: #f59e0b; }
.fv-aud-wrap {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 24px; padding: 40px; color: var(--text-sub);
}
.fv-aud-icon { font-size: 64px; opacity: 0.4; }
.fv-aud-name { font-size: 15px; font-weight: 600; color: var(--text-primary); text-align: center; }
.fv-aud-wrap audio { width: 100%; max-width: 520px; }
.fv-unsupported {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 14px; color: var(--text-muted); text-align: center; padding: 40px;
}
.fv-unsupported-icon { font-size: 72px; opacity: 0.25; }
.fv-unsupported p { font-size: 15px; }
.fv-unsupported small { font-size: 12px; color: var(--text-muted); }

/* ── Просмотр документов (PDF / Word) ── */
.fv-doc-scroll {
  flex: 1; min-width: 0; width: 100%; overflow: auto;
  background: #525659;
  padding: 16px; gap: 16px;
  display: flex; flex-direction: column; align-items: flex-start;
  -webkit-overflow-scrolling: touch;
}
.fv-doc-scroll.fv-has-zoom { padding-top: 56px; }
.fv-pdf-canvas {
  flex: none; height: auto; margin-inline: auto;
  background: #fff; border-radius: 2px;
  box-shadow: 0 2px 14px rgba(0,0,0,0.55);
}
.fv-zoom {
  position: absolute; z-index: 2; top: 8px; right: 8px;
  display: flex; align-items: center; gap: 4px;
  padding: 4px; border-radius: 8px;
  background: rgba(10,22,40,.94); box-shadow: 0 2px 10px rgba(0,0,0,.4);
}
.fv-zoom[hidden] { display: none; }
.fv-zoom button {
  min-width: 34px; min-height: 34px; padding: 4px 8px;
  border: 1px solid var(--border); border-radius: 5px;
  background: var(--bg-card); color: var(--text-primary);
  font: inherit; font-size: 13px; cursor: pointer;
}
.fv-zoom-value { min-width: 42px; text-align: center; font-size: 12px; color: #fff; }
.fv-doc-loading {
  margin: auto; padding: 40px 20px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  color: #e5e7eb; text-align: center;
}
.fv-doc-loading p { font-size: 14px; font-weight: 600; }
.fv-docx-page { width: 100%; min-width: 0; display: flex; justify-content: flex-start; }
.fv-pdf-canvas, .fv-docx-page { -webkit-user-select: none; user-select: none; }

/* Страница просмотра по прямой ссылке / QR-коду */
.fv-page {
  display: flex; flex-direction: column;
  height: calc(100vh - 120px); height: calc(100dvh - 120px); min-height: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}

/* Excel: вкладки листов + таблица */
.fv-doc-scroll.fv-sheet-scroll {
  background: var(--bg-deep); align-items: stretch; gap: 10px;
}
.fv-sheet-tabs { display: flex; flex-wrap: wrap; gap: 6px; flex-shrink: 0; }
.fv-sheet-tabs button {
  padding: 5px 12px; border-radius: var(--radius); cursor: pointer;
  border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text-sub); font-size: 13px;
}
.fv-sheet-tabs button.on { background: var(--blue-primary); border-color: var(--blue-primary); color: #fff; }
.fv-sheet { overflow: auto; background: #fff; border-radius: 4px; }
.fv-sheet table { border-collapse: collapse; font-size: 13px; color: #111; }
.fv-sheet td, .fv-sheet th {
  border: 1px solid #d0d7de; padding: 4px 8px;
  vertical-align: top; white-space: pre-wrap; min-width: 40px;
}
.fv-sheet tr:first-child td { background: #f1f5f9; font-weight: 600; }

/* Текстовые файлы */
.fv-text {
  width: 100%; max-width: 1000px; margin: 0; padding: 20px;
  background: #fff; color: #111; border-radius: 4px;
  font: 13px/1.5 Consolas, 'Courier New', monospace;
  white-space: pre-wrap; word-break: break-word;
}
.fv-hit { background: #86efac; color: #052e16; border-radius: 2px; padding: 0 1px; box-shadow: 0 0 0 1px rgba(34,197,94,.5); }
/* docx-preview встраивает свою разметку — подгоняем под тёмный фон */
.fv-doc-scroll .docx-wrapper {
  background: transparent; padding: 0; margin: 0 auto;
  flex: none; display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.fv-doc-scroll .docx-wrapper > section.docx {
  box-shadow: 0 2px 14px rgba(0,0,0,0.55);
  margin: 0;
}

@media (max-width: 768px) {
  .fv-doc-scroll { padding: 8px; gap: 8px; }
  .fv-zoom { top: 4px; right: 4px; }
}

/* ── Xcode (transcode) overlay ── */
.fv-xcode-overlay {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px; background: var(--bg-deep);
  color: var(--text-sub); text-align: center; padding: 24px;
}
.fv-xcode-overlay p  { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.fv-xcode-overlay small { font-size: 12px; color: var(--text-muted); }
.fv-xcode-err-icon   { font-size: 48px; opacity: .6; }

.fv-xcode-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--blue-bright);
  border-radius: 50%;
  animation: fvSpin 0.9s linear infinite;
}
@keyframes fvSpin { to { transform: rotate(360deg); } }

.fv-xcode-dots::after {
  content: '';
  animation: fvDots 1.5s steps(4, end) infinite;
}
@keyframes fvDots {
  0%  { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}

@media (max-width: 768px) {
  .fv-modal { height: calc(100vh - 48px); height: calc(100dvh - 16px); border-radius: var(--radius); }
  .fv-overlay { padding: 8px; }
  .fv-title { font-size: 13px; }
  .fv-page { height: calc(100dvh - 110px); }
}

/* ════════════════════════════════════════════════
   АЛГОРИТМЫ — мастер для машиниста
   ════════════════════════════════════════════════ */
.crumb-current { color: var(--text-sub); cursor: default; }
.algo-crumbs { margin-bottom: 18px; }

.algo-step-label {
  font-size: 15px; color: var(--text-sub);
  margin: 4px 0 12px; text-transform: uppercase;
  letter-spacing: .04em; font-weight: 600;
}

.algo-note {
  background: rgba(59,130,246,.08);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 16px;
  color: var(--text-sub); font-size: 14px;
}

.algo-choices { display: flex; flex-direction: column; gap: 10px; }

.algo-choice {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue-primary);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--text-primary);
  transition: background .15s, border-color .15s, transform .15s;
}
.algo-choice:hover {
  background: var(--bg-hover);
  border-color: var(--blue-primary);
  color: var(--text-primary);
  transform: translateX(3px);
}
.algo-choice-sol { border-left-color: var(--success); }
.algo-choice-icon { font-size: 22px; flex-shrink: 0; display: flex; align-items: center; }
.algo-icon-img { width: 30px; height: 30px; object-fit: contain; border-radius: 4px; display: block; }
.algo-choice-body { display: flex; flex-direction: column; min-width: 0; }
.algo-choice-title { font-size: 17px; font-weight: 600; }
.algo-choice-path  { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.algo-choice-arrow { margin-left: auto; color: var(--blue-primary); font-size: 20px; }

.algo-empty {
  padding: 28px; text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border); border-radius: var(--radius);
}

/* ── карточка решения ── */
.algo-solution {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--success);
  border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow);
}
.algo-solution-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.algo-solution-icon { font-size: 26px; }
.algo-solution-head h2 { font-size: 21px; font-weight: 700; }
.algo-solution-text {
  font-size: 16px; line-height: 1.7;
  white-space: pre-wrap; margin-bottom: 18px;
}
.algo-solution-img { display: block; margin-bottom: 14px; }
.algo-solution-img img {
  max-width: 100%; border-radius: var(--radius);
  border: 1px solid var(--border);
}
.algo-solution-files { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.algo-file {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 14px; font-size: 14px;
}
.algo-file:hover { border-color: var(--blue-primary); background: var(--bg-hover); }
.algo-file-kb { border-color: var(--border-light); }
.algo-empty-sol {
  color: var(--warning); background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.25);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 18px;
}
.algo-solution-foot { display: flex; gap: 10px; margin-top: 18px; }
.algo-admin-bar { display: flex; gap: 10px; margin-top: 28px; }

/* ════════════════════════════════════════════════
   АЛГОРИТМЫ — таблица
   ════════════════════════════════════════════════ */
.algo-stats { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 18px; }
.algo-stat { font-size: 14px; color: var(--text-sub); }
.algo-stat b { color: var(--text-primary); }
.algo-stat-warn b { color: var(--warning); }
.algo-stat-sp { flex: 1; }

.algo-table-tools { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.algo-table-tools .kb-search-input { max-width: 320px; }
.algo-check { font-size: 14px; color: var(--text-sub); display: flex; align-items: center; gap: 6px; cursor: pointer; }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.algo-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.algo-table th {
  background: var(--bg-base); color: var(--text-sub);
  text-align: left; padding: 12px 14px; font-weight: 600;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.algo-table td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.algo-table tbody tr:hover { background: var(--bg-hover); }
.algo-td-lvl { color: var(--text-muted); }
.algo-td-problem { font-weight: 600; }
.algo-td-preview { color: var(--text-muted); font-size: 13px; display: block; margin-top: 4px; }
.algo-td-act { text-align: right; white-space: nowrap; }
.algo-badge { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.algo-badge-ok   { background: rgba(34,197,94,.15);  color: var(--success); }
.algo-badge-warn { background: rgba(245,158,11,.15); color: var(--warning); }

/* ════════════════════════════════════════════════
   АЛГОРИТМЫ — конструктор
   ════════════════════════════════════════════════ */
.ab-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ab-header-act { display: flex; gap: 10px; }

/* Холст на всю ширину, панели плавают поверх него */
.ab-wrap { position: relative; }

.ab-palette, .ab-props {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ── плавающие панели: тянутся за заголовок, сворачиваются ── */
.ab-float {
  position: absolute; top: 58px; z-index: 20;
  display: flex; flex-direction: column;
  max-height: calc(100% - 70px); overflow: hidden;
  box-shadow: 0 10px 32px rgba(0,0,0,.5);
}
.ab-palette { left: 12px; width: 240px; }
.ab-props   { right: 12px; width: 300px; }
.ab-float-head {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
  padding: 7px 8px 7px 14px; cursor: move; user-select: none;
  background: var(--bg-base); border-bottom: 1px solid var(--border);
}
.ab-float-title { flex: 1; font-size: 13px; font-weight: 700; color: var(--text-sub); }
.ab-float-min {
  width: 26px; height: 26px; flex-shrink: 0; cursor: pointer;
  border: 1px solid var(--border); border-radius: 6px;
  background: transparent; color: var(--text-sub); font-size: 16px; line-height: 1;
}
.ab-float-min:hover { border-color: var(--blue-primary); color: var(--text-primary); }
.ab-float-body { padding: 14px; overflow-y: auto; min-height: 0; }
.ab-float.ab-collapsed .ab-float-body { display: none; }
.ab-float.ab-collapsed .ab-float-head { border-bottom: none; }
.ab-float.ab-dragging { opacity: .92; box-shadow: 0 16px 44px rgba(0,0,0,.65); }
.ab-panel-title {
  font-size: 12px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-muted); font-weight: 700;
  margin: 14px 0 8px;
}
.ab-panel-title:first-child { margin-top: 0; }

.ab-seed {
  display: flex; gap: 10px; align-items: center;
  background: var(--bg-base); border: 1px solid var(--border);
  border-left: 4px solid var(--blue-primary);
  border-radius: var(--radius); padding: 10px 12px;
  margin-bottom: 8px; cursor: grab; font-size: 13px;
}
.ab-seed:active { cursor: grabbing; }
.ab-seed:hover { background: var(--bg-hover); border-color: var(--blue-primary); }
.ab-seed-sol { border-left-color: var(--success); }
.ab-seed-icon { font-size: 18px; }
.ab-seed small { color: var(--text-muted); }

.ab-wide { display: block; width: 100%; text-align: center; margin-bottom: 8px; }
.ab-file-label { cursor: pointer; }
.ab-import { margin: 0; }

.ab-hint { margin-top: 18px; font-size: 12px; color: var(--text-muted); line-height: 1.6; }
.ab-hint b { color: var(--text-sub); display: block; margin-bottom: 6px; }
.ab-hint ul { padding-left: 16px; }

/* ── холст ── */
.ab-canvas-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.ab-toolbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  background: var(--bg-base);
}
.ab-sp { flex: 1; }
.ab-zoom { font-size: 13px; color: var(--text-muted); min-width: 46px; text-align: right; }
.ab-status { font-size: 13px; color: var(--text-muted); }
.ab-status-ok   { color: var(--success); }
.ab-status-warn { color: var(--warning); }
.ab-status-err  { color: var(--danger); }

.ab-canvas {
  position: relative; height: calc(100vh - 260px); min-height: 480px;
  overflow: hidden; cursor: grab;
  background:
    radial-gradient(circle, rgba(59,130,246,.10) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--bg-deep);
}
.ab-canvas:active { cursor: grabbing; }
.ab-world { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
.ab-links { position: absolute; top: 0; left: 0; overflow: visible; pointer-events: none; }
.ab-nodes { position: absolute; top: 0; left: 0; }

.ab-link {
  fill: none; stroke: var(--blue-primary); stroke-width: 2;
  marker-end: none; opacity: .75;
}
.ab-link-hit {
  fill: none; stroke: transparent; stroke-width: 14;
  pointer-events: stroke; cursor: pointer;
}
.ab-link-hit:hover { stroke: rgba(239,68,68,.28); }
.ab-link-temp { stroke: var(--blue-bright); stroke-dasharray: 5 4; }
.ab-link-bad  { stroke: #ef4444; stroke-width: 3; stroke-dasharray: 7 5; opacity: 1; }

.ab-node {
  position: absolute; width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue-primary);
  border-radius: var(--radius);
  padding: 10px 12px; cursor: move;
  box-shadow: 0 2px 10px rgba(0,0,0,.45);
  user-select: none;
}
.ab-node:hover { border-color: var(--border-light); }
.ab-node-sel {
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 2px rgba(96,165,250,.35), 0 2px 10px rgba(0,0,0,.45);
}
.ab-node-sol { border-left-color: var(--success); }
.ab-node-head { display: flex; gap: 8px; align-items: flex-start; }
.ab-node-ic { font-size: 14px; flex-shrink: 0; }
/* размер задан заранее — иначе связи рисуются до загрузки картинки и съезжают */
.ab-node-ic img { width: 18px; height: 18px; object-fit: contain; display: block; border-radius: 3px; }

/* выбор иконки в свойствах блока */
.ab-icons { display: grid; grid-template-columns: repeat(auto-fill, minmax(32px, 1fr)); gap: 5px; margin-bottom: 8px; }
.ab-icon {
  position: relative; height: 32px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-base); color: var(--text-sub); font-size: 16px; line-height: 1;
}
.ab-icon small { font-size: 9px; }
.ab-icon:hover { border-color: var(--blue-primary); }
.ab-icon.on { border-color: var(--blue-bright); box-shadow: 0 0 0 1px var(--blue-bright); background: var(--bg-hover); }
.ab-icon-own { cursor: default; }
.ab-icon img { width: 22px; height: 22px; object-fit: contain; }
.ab-icon-x {
  position: absolute; top: -6px; right: -6px; width: 16px; height: 16px;
  border-radius: 50%; border: none; cursor: pointer; padding: 0;
  background: var(--danger); color: #fff; font-size: 9px; line-height: 16px;
}
.ab-node-title { font-size: 13px; font-weight: 600; line-height: 1.35; word-break: break-word; }
.ab-node-note { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.ab-node-warn { font-size: 11px; color: var(--warning); margin-top: 5px; }

.ab-port {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg-base); border: 2px solid var(--blue-primary);
}
.ab-port-in  { top: -7px; }
.ab-port-out { bottom: -7px; cursor: crosshair; }
.ab-port-out:hover { background: var(--blue-bright); transform: translateX(-50%) scale(1.25); }

/* ── панель свойств ── */
.ab-props-empty { color: var(--text-muted); font-size: 13px; padding: 10px 0; }
.ab-lbl { display: block; font-size: 12px; color: var(--text-sub); margin: 12px 0 5px; }
.ab-input {
  width: 100%; background: var(--bg-base);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); padding: 8px 10px; font-size: 13px;
  font-family: inherit;
}
.ab-input:focus { outline: none; border-color: var(--blue-primary); }
.ab-area { resize: vertical; line-height: 1.5; }

.ab-attach { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.ab-att {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 6px 8px; font-size: 12px;
}
.ab-att img { width: 28px; height: 28px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.ab-att span:not(.ab-att-ic) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ab-att-x {
  margin-left: auto; background: none; border: none;
  color: var(--text-muted); cursor: pointer; font-size: 13px; padding: 0 2px;
}
.ab-att-x:hover { color: var(--danger); }
.ab-att-none { font-size: 12px; color: var(--text-muted); }

.ab-colors { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.ab-color {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2px solid var(--border); cursor: pointer;
  color: var(--text-muted); font-size: 11px; line-height: 1;
}
.ab-color.on { border-color: var(--text-primary); }

/* На узком экране панели не плавают, а стоят под холстом */
@media (max-width: 900px) {
  .ab-wrap { display: flex; flex-direction: column; gap: 14px; }
  .ab-float {
    position: static; width: auto; box-shadow: none;
    max-height: none !important;
  }
  .ab-float-head { cursor: default; }
  .ab-canvas { height: 60vh; }
}

/* ════════════════════════════════════════════════
   3D-МОДЕЛЬ ВАГОНА (прототип)
   ════════════════════════════════════════════════ */
.wg-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.wg-proto {
  font-size: 12px; color: var(--warning); border: 1px solid var(--warning);
  border-radius: 999px; padding: 4px 12px; opacity: .85;
}
.wg-model-switch {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  margin: -8px 0 14px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card);
}
.wg-model-switch > span { font-size: 12px; font-weight: 700; color: var(--text-muted); margin-right: 3px; }
.wg-model-switch .btn-outline.on { background: var(--blue-primary); border-color: var(--blue-primary); color: #fff; }
.wg-wrap {
  display: grid; grid-template-columns: 220px minmax(0, 1fr) 320px;
  gap: 14px; align-items: stretch;
  height: calc(100vh - 230px); min-height: 480px;
}
.wg-list, .wg-info {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px; overflow-y: auto; min-height: 0;
}
.wg-search { margin-bottom: 10px; }
.wg-items { display: flex; flex-direction: column; gap: 4px; }
.wg-item {
  text-align: left; padding: 7px 10px; border-radius: 6px; cursor: pointer;
  background: transparent; border: 1px solid transparent;
  color: var(--text-sub); font-size: 13px;
}
.wg-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.wg-item.on { background: var(--bg-hover); border-color: var(--blue-primary); color: var(--text-primary); }
/* группы узлов в списке */
.wg-group {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-muted); padding: 10px 10px 4px;
}
.wg-group:first-child { padding-top: 2px; }

.wg-view {
  position: relative; overflow: hidden; min-height: 0;
  border: 1px solid var(--border); border-radius: var(--radius); background: #0b1424;
}
.wg-view canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.wg-toolbar {
  position: absolute; top: 10px; left: 10px; right: 10px; z-index: 2;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; pointer-events: none;
}
.wg-toolbar > * { pointer-events: auto; }
.wg-toolbar .btn-outline { background: rgba(11,20,36,.85); }
.wg-toolbar .btn-outline.on { background: var(--blue-primary); border-color: var(--blue-primary); color: #fff; }
/* переключатель видов: снаружи / разрез / салон / кабина / под вагоном */
.wg-views { display: flex; flex-wrap: wrap; gap: 0; }
.wg-views .btn-outline { border-radius: 0; margin-left: -1px; }
.wg-views .btn-outline:first-child { border-radius: 6px 0 0 6px; margin-left: 0; }
.wg-views .btn-outline:last-child { border-radius: 0 6px 6px 0; }
/* кнопки ходьбы внутри вагона */
.wg-walk {
  position: absolute; right: 14px; bottom: 14px; z-index: 2;
  display: grid; grid-template-columns: repeat(3, 44px); grid-template-rows: repeat(2, 44px); gap: 6px;
}
.wg-walk[hidden] { display: none; }
.wg-walk-btn {
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 16px;
  background: rgba(11,20,36,.85); color: var(--text-primary); touch-action: none; user-select: none;
}
.wg-walk-btn:active, .wg-walk-btn.on { background: var(--blue-primary); border-color: var(--blue-primary); }
.wg-walk-btn[data-move=fwd] { grid-column: 2; grid-row: 1; }
.wg-walk-btn[data-move=left] { grid-column: 1; grid-row: 2; }
.wg-walk-btn[data-move=back] { grid-column: 2; grid-row: 2; }
.wg-walk-btn[data-move=right] { grid-column: 3; grid-row: 2; }
/* источник описания узла */
.wg-refs { border-top: 1px solid var(--border); padding-top: 12px; margin-bottom: 14px; }
.wg-ref-page { flex-shrink: 0; font-size: 11px; color: var(--text-muted); }
.wg-hint { margin-left: auto; font-size: 12px; color: var(--text-muted); background: rgba(11,20,36,.7); padding: 4px 8px; border-radius: 6px; }
.wg-tip {
  position: absolute; z-index: 3; pointer-events: none; white-space: nowrap;
  background: rgba(15,23,42,.95); color: #fff; font-size: 13px; font-weight: 600;
  padding: 5px 10px; border-radius: 6px; border: 1px solid var(--blue-primary);
  box-shadow: 0 4px 14px rgba(0,0,0,.45);
}
.wg-pneumo-legend {
  position: absolute; z-index: 2; left: 12px; bottom: 12px; max-width: min(560px, calc(100% - 24px));
  display: flex; flex-wrap: wrap; gap: 7px 14px; padding: 9px 12px;
  background: rgba(9, 20, 34, .94); color: #e8f1f8; border: 1px solid #4b647d;
  border-radius: 8px; font-size: 12px; line-height: 1.35;
}
.wg-pneumo-legend[hidden] { display: none; }
.wg-pneumo-legend span { white-space: nowrap; }
.wg-pneumo-legend i { display: inline-block; width: 15px; height: 4px; vertical-align: middle; border-radius: 3px; }
.wg-pneumo-legend small { display: block; width: 100%; color: #b7c9d9; font-size: 11px; }
.wg-pn-nm { background: #8273ed; }
.wg-pn-tm { background: #f16874; }
.wg-pn-tc { background: #48c593; }
.wg-pn-callouts { position: absolute; inset: 0; z-index: 4; pointer-events: none; overflow: hidden; }
.wg-pn-callouts[hidden] { display: none; }
.wg-pn-callouts svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.wg-pn-callouts line { stroke: #d5e4f1; stroke-width: 1.5; opacity: .85; }
.wg-pn-callouts circle { fill: #fff; stroke: #182d41; stroke-width: 2; }
.wg-pn-callout { position: absolute; z-index: 1; pointer-events: auto; min-width: 48px; min-height: 32px;
  padding: 4px 7px; border-radius: 7px; border: 1px solid #a6c6d8; background: rgba(13,31,48,.94);
  box-shadow: 0 2px 8px #0008; color: #f1faff; font-size: 11px; font-weight: 800; cursor: pointer; }
.wg-pn-callout:hover, .wg-pn-callout:focus { border-color: #fff; background: #315c7c; }
.wg-pn-callout.on { border-color: #fbbf24; background: #604619; }
.wg-loading {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 14px; text-align: center; padding: 20px;
}

.wg-info-empty { color: var(--text-muted); font-size: 13px; text-align: center; padding: 40px 10px; line-height: 1.6; }
.wg-info-empty-icon { font-size: 36px; opacity: .4; margin-bottom: 8px; }
.wg-info-head { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.wg-info-head h2 { flex: 1; font-size: 17px; font-weight: 700; line-height: 1.35; }
.wg-info-text { font-size: 14px; line-height: 1.6; color: var(--text-sub); margin-bottom: 14px; white-space: pre-line; }
.wg-info-links { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.wg-info-links a { text-align: left; }
/* документация узла */
.wg-docs { border-top: 1px solid var(--border); padding-top: 12px; margin-bottom: 14px; }
.wg-docs-title { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); font-weight: 700; margin-bottom: 8px; }
.wg-docs-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.wg-docs-empty { font-size: 13px; color: var(--text-muted); padding: 4px 0; }
.wg-doc {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-base); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px;
}
.wg-doc:hover { border-color: var(--blue-primary); }
.wg-doc-link {
  flex: 1; min-width: 0; font-size: 13px; color: var(--text-primary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.wg-doc-tag {
  flex-shrink: 0; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 999px;
  color: var(--blue-bright); border: 1px solid var(--blue-primary);
}
.wg-doc-missing { opacity: .6; }
.wg-doc-missing .wg-doc-link { text-decoration: line-through; }
.wg-doc-missing .wg-doc-tag { color: var(--danger); border-color: var(--danger); }
.wg-doc-x {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; cursor: pointer;
  border: none; background: transparent; color: var(--text-muted); font-size: 12px;
}
.wg-doc-x:hover { color: var(--danger); background: rgba(239,68,68,.12); }
.wg-docs-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.wg-docs-add { cursor: pointer; }
.wg-kb-pick { margin-top: 10px; }
.wg-kb-list {
  max-height: 220px; overflow-y: auto; margin-top: 6px;
  display: flex; flex-direction: column; gap: 2px;
}
.wg-kb-item {
  text-align: left; font-size: 12px; padding: 6px 8px; border-radius: 5px; cursor: pointer;
  background: transparent; border: 1px solid transparent; color: var(--text-sub); word-break: break-all;
}
.wg-kb-item:hover:not(:disabled) { background: var(--bg-hover); border-color: var(--blue-primary); color: var(--text-primary); }
.wg-kb-item.on { opacity: .45; cursor: default; }
.wg-docs-status { font-size: 12px; color: var(--success); margin-top: 8px; min-height: 1em; }
.wg-docs-status.err { color: var(--danger); }
.wg-doc-mark { flex: none; color: #ffb74d; font-size: 11px; font-weight: 700; }
.wg-doc-tune {
  flex: none; border: 1px solid var(--border); border-radius: 5px; background: var(--bg-card);
  color: var(--text-primary); padding: 2px 5px; cursor: pointer;
}
.wg-doc-tune:hover { border-color: var(--warning); }
.wg-mark-editor {
  margin: 10px 0; padding: 12px; border: 1px solid var(--border-light);
  border-radius: 8px; background: var(--bg-base);
}
.wg-mark-editor[hidden], .wg-mark-editor [hidden] { display: none !important; }
.wg-mark-head, .wg-mark-time, .wg-mark-actions { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.wg-mark-head { margin-bottom: 12px; font-size: 13px; }
.wg-mark-head strong { min-width: 0; overflow-wrap: anywhere; }
.wg-mark-editor .ab-lbl { display: block; margin: 10px 0 4px; }
.wg-mark-hint { display: block; font-size: 12px; color: var(--text-muted); margin: 5px 0 8px; }
.wg-mark-hits { max-height: 180px; overflow-y: auto; margin-top: 6px; }
.wg-mark-hit { display: block; width: 100%; text-align: left; padding: 7px; margin: 3px 0;
  border: 1px solid var(--border); border-radius: 5px; background: var(--bg-card);
  color: var(--text-sub); cursor: pointer; font-size: 12px; }
.wg-mark-hit:hover, .wg-mark-hit.on { border-color: var(--warning); color: var(--text-primary); background: rgba(245,158,11,.12); }
.wg-mark-editor video { display: block; width: 100%; max-height: 220px; background: #000; }
.wg-mark-time { font-size: 12px; margin: 12px 0 3px; }
.wg-mark-editor input[type=range] { display: block; width: 100%; height: 8px; cursor: pointer; accent-color: #f59e0b; }
.wg-mark-time-fields { display: flex; align-items: end; gap: 8px; margin: 10px 0; font-size: 12px; }
.wg-mark-time-fields label { flex: 1; min-width: 0; }
.wg-mark-time-fields input { width: 100%; }
.wg-mark-actions { justify-content: flex-start; flex-wrap: wrap; margin-top: 12px; }
.wg-info-draft {
  font-size: 12px; color: var(--warning); border-left: 3px solid var(--warning);
  padding: 6px 10px; background: rgba(245,158,11,.08); border-radius: 4px;
}

@media (max-width: 1000px) {
  .wg-wrap { grid-template-columns: 1fr; height: auto; }
  .wg-view { height: 60vh; order: -1; }
  .wg-list { max-height: 220px; }
  .wg-hint { display: none; }
}

/* Самостоятельная учебная схема пневмосистемы «Балтийца». */
.pn-header { display: flex; gap: 20px; align-items: end; justify-content: space-between; flex-wrap: wrap; }
.pn-notice { margin: 8px 0 18px; padding: 12px 15px; border: 1px solid #4d7996; border-radius: 10px;
  background: rgba(48, 197, 238, .08); color: var(--text-sub); font-size: 13px; line-height: 1.55; }
.pn-panel { margin: 16px 0; padding: 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; }
.pn-panel h2 { margin: 0 0 11px; font-size: 20px; }
.pn-key { display: flex; gap: 8px 20px; flex-wrap: wrap; margin-bottom: 14px; font-size: 12px; font-weight: 700; }
.pn-key-nm { color: #9c91fa; }.pn-key-tm { color: #ff8993; }.pn-key-tc { color: #6ae0ae; }
.pn-flow { display: grid; gap: 9px; }
.pn-flow-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 11px;
  border: 1px solid var(--border); border-left: 4px solid #30c5ee; border-radius: 8px; background: var(--bg-base); }
.pn-flow-row.pn-brake { border-left-color: #f9a64b; }
.pn-flow-row.pn-branch { border-left-color: #7bdc8e; }
.pn-flow-row > strong { min-width: 135px; font-size: 12px; color: var(--text-muted); }
.pn-chip { display: inline-flex; align-items: center; min-height: 34px; max-width: 100%; padding: 6px 10px;
  border-radius: 7px; border: 1px solid #52748b; background: #173044; color: #e7f5fb;
  font-size: 12px; font-weight: 700; line-height: 1.2; text-decoration: none; }
.pn-chip:hover { border-color: #30c5ee; background: #20445c; color: #fff; }
.pn-arrow { color: var(--text-muted); font-weight: 800; }
.pn-neutral { font-size: 12px; color: var(--text-sub); }
.pn-mini { font-size: 12px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.pn-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 315px), 1fr)); gap: 12px; }
.pn-group { grid-column: 1 / -1; margin: 11px 0 0; padding-bottom: 5px; border-bottom: 1px solid var(--border);
  color: var(--text-sub); font-size: 14px; }
.pn-card { scroll-margin-top: 18px; padding: 14px; border: 1px solid var(--border); border-radius: 9px;
  background: var(--bg-base); line-height: 1.55; font-size: 13px; }
.pn-card:target { outline: 2px solid #30c5ee; background: rgba(48,197,238,.08); }
.pn-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.pn-card-head h4 { margin: 0; font-size: 15px; }
.pn-code { flex: none; border-radius: 6px; padding: 3px 7px; background: #20445c; color: #b8edfb; font-weight: 800; }
.pn-card p { margin: 7px 0; color: var(--text-sub); }
.pn-card p b { color: var(--text-primary); }
.pn-card-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.pn-scheme-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.pn-scheme-head .page-sub { margin-bottom: 10px; }
.pn-zoom { display: flex; align-items: center; gap: 7px; white-space: nowrap; font-size: 13px; }
.pn-zoom span { min-width: 44px; text-align: center; }
.pn-diagram-scroll { overflow: auto; max-width: 100%; border: 1px solid var(--border); border-radius: 12px; background: #0d1728; }
.pn-diagram { display: block; width: 100%; min-width: 1050px; height: auto; font-family: Inter, Arial, sans-serif; }
.pn-svg-bg { fill: #101e31; stroke: #354a61; stroke-width: 2; }
.pn-svg-section { fill: #a9bed2; font-size: 16px; font-weight: 800; letter-spacing: 1.5px; }
.pn-svg-note { fill: #a9bed2; font-size: 15px; }
.pn-svg-nm, .pn-svg-tm, .pn-svg-tc { fill: none; stroke-width: 12; stroke-linecap: round; }
.pn-svg-nm { stroke: #8273ed; }.pn-svg-tm { stroke: #f16874; }.pn-svg-tc { stroke: #48c593; }
.pn-svg-branch { fill: none; stroke: #9bb2c5; stroke-width: 4; stroke-linejoin: round; }
.pn-svg-unit rect { fill: #21354d; stroke: #89a9c4; stroke-width: 2; }
.pn-svg-unit:hover rect, .pn-svg-unit:focus rect { fill: #365879; stroke: #fff; stroke-width: 3; }
.pn-svg-unit { cursor: pointer; text-decoration: none; }
.pn-svg-title { fill: #f5fbff; font-size: 19px; font-weight: 800; }
.pn-svg-sub { fill: #c3d5e2; font-size: 13px; }
.pn-svg-pressure rect { fill: #392d73; stroke: #a498f9; stroke-width: 2; }
.pn-svg-pressure-tm rect { fill: #722d3f; stroke: #ff9da6; }
.pn-svg-pressure-tc rect { fill: #195d46; stroke: #78eab7; }
.pn-svg-pressure text { fill: #fff; font-size: 16px; font-weight: 800; }
.pn-card-pressure { margin: 6px 0 10px; padding: 6px 9px; border-radius: 6px; background: rgba(130,115,237,.14); color: #b9aeff; font-size: 12px; font-weight: 700; }
.pn-card-text { white-space: pre-line; overflow-wrap: anywhere; }
.pn-card-docs { display: flex; flex-direction: column; align-items: start; gap: 5px; margin-top: 8px; font-size: 12px; overflow-wrap: anywhere; }
.pn-edit { margin-top: 12px; padding-top: 9px; border-top: 1px solid var(--border); font-size: 12px; }
.pn-edit summary { cursor: pointer; color: var(--blue-bright); font-weight: 700; }
.pn-edit label { display: block; margin: 10px 0 4px; font-weight: 700; }
.pn-edit .ab-input { display: block; width: 100%; margin-top: 4px; }
.pn-edit textarea { resize: vertical; min-height: 120px; }
.pn-upload input { display: block; margin-top: 7px; }
.pn-edit-status { display: block; margin: 8px 0; color: var(--success); }
.pn-edit-status.err { color: var(--danger); }
.pn-edit-note { font-size: 11px; }
@media (max-width: 680px) {
  .pn-panel { padding: 12px; }
  .pn-flow-row > strong { width: 100%; }
  .wg-pneumo-legend { max-width: calc(100% - 16px); left: 8px; bottom: 8px; font-size: 11px; }
}

/* ── Вагоны 3D: список серий, редактор описания ── */
.wg-back { display: inline-block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.wg-back:hover { color: var(--blue-bright); }
.wgs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; margin-bottom: 28px; }
.wgs-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  display: flex; flex-direction: column; overflow: hidden;
}
.wgs-card:hover { border-color: var(--blue-primary); }
.wgs-open { display: flex; align-items: center; gap: 16px; padding: 18px 20px; color: inherit; flex: 1; }
.wgs-icon { font-size: 34px; flex-shrink: 0; }
.wgs-body { flex: 1; min-width: 0; }
.wgs-body h2 { font-size: 17px; font-weight: 700; margin-bottom: 4px; color: var(--text-primary); }
.wgs-body p { font-size: 13px; color: var(--text-sub); line-height: 1.5; }
.wgs-meta { font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.wgs-admin {
  display: flex; align-items: flex-start; gap: 8px; flex-wrap: wrap;
  padding: 10px 20px; border-top: 1px solid var(--border); background: var(--bg-base);
}
.wgs-admin form { margin: 0; }
.wgs-edit { flex: 1; min-width: 0; }
.wgs-edit summary { list-style: none; display: inline-block; cursor: pointer; }
.wgs-edit summary::-webkit-details-marker { display: none; }
.wgs-edit[open] summary { margin-bottom: 4px; }
.wgs-form { display: flex; flex-direction: column; gap: 2px; max-width: 560px; }
.wgs-form .btn-primary { align-self: flex-start; margin-top: 10px; }
.wgs-new {
  background: var(--bg-card); border: 1px dashed var(--border-light); border-radius: var(--radius-lg);
  padding: 20px; max-width: 640px;
}
.wgs-new h2 { font-size: 17px; margin-bottom: 6px; }
.wgs-new .page-sub { margin-bottom: 8px; font-size: 13px; }
.wg-edit-btn { margin-bottom: 14px; }
.wg-edit { border: 1px solid var(--border); border-radius: var(--radius); padding: 4px 12px 12px; margin-bottom: 14px; background: var(--bg-base); }
.wg-edit-actions { display: flex; gap: 8px; margin-top: 12px; }

/* ════════════════════════════════════════════════
   БРЕНД · Basic Morpheus Technologies (BMT)
   ════════════════════════════════════════════════ */
:root {
  --bmt-green: #22c55e;
  --bmt-green-glow: rgba(34,197,94,.45);
  --bmt-mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
}
.bmt-code {
  font-family: var(--bmt-mono); font-weight: 700; letter-spacing: .08em;
  color: var(--bmt-green); text-shadow: 0 0 8px var(--bmt-green-glow);
}

/* шапка: иконка + КорпПортал + метка BMT */
.nav-brand-home { display: flex; align-items: center; gap: 10px; color: inherit; }
.nav-logo-img { width: 28px; height: 28px; filter: drop-shadow(0 0 6px rgba(96,165,250,.35)); transition: transform .3s; }
.nav-brand-home:hover .nav-logo-img { transform: rotate(-12deg) scale(1.08); }
.bmt-chip {
  font-family: var(--bmt-mono); font-size: 11px; font-weight: 700; letter-spacing: .12em;
  color: var(--bmt-green); border: 1px solid rgba(34,197,94,.55); border-radius: 5px;
  padding: 2px 6px; line-height: 1.3; transition: all .2s;
}
.bmt-chip:hover { background: rgba(34,197,94,.12); box-shadow: 0 0 12px var(--bmt-green-glow); }

/* подвал */
.bmt-footer {
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 24px 18px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-muted);
}
.bmt-footer-link { display: flex; align-items: center; gap: 8px; color: var(--text-muted); }
.bmt-footer-link img { width: 18px; height: 18px; opacity: .85; }
.bmt-footer-link:hover { color: var(--text-primary); }

/* знак: иконка в светящемся круге */
.bmt-mark {
  width: 88px; height: 88px; margin: 0 auto 14px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 40%, rgba(59,130,246,.18), rgba(6,13,26,.9) 70%);
  border: 1px solid rgba(34,197,94,.35);
  box-shadow: 0 0 24px rgba(34,197,94,.18), inset 0 0 18px rgba(59,130,246,.15);
  animation: bmt-breathe 4s ease-in-out infinite;
}
.bmt-mark img { width: 60px; height: 60px; }
.bmt-mark-lg { width: 150px; height: 150px; margin-bottom: 18px; }
.bmt-mark-lg img { width: 104px; height: 104px; }
@keyframes bmt-breathe {
  0%, 100% { box-shadow: 0 0 22px rgba(34,197,94,.15), inset 0 0 18px rgba(59,130,246,.15); }
  50%      { box-shadow: 0 0 40px rgba(34,197,94,.35), inset 0 0 22px rgba(59,130,246,.25); }
}
@media (prefers-reduced-motion: reduce) { .bmt-mark { animation: none; } }

/* фон «цифровой дождь» */
.bmt-rain { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* страница входа */
.bmt-login { position: relative; overflow: hidden; background: #060d1a; }
.bmt-login .bmt-rain { position: fixed; opacity: .55; }
.bmt-login .login-wrap { position: relative; z-index: 1; }
.bmt-card {
  background: rgba(15,32,64,.82); backdrop-filter: blur(6px);
  border-color: rgba(34,197,94,.25);
  box-shadow: 0 10px 40px rgba(0,0,0,.6), 0 0 30px rgba(34,197,94,.08);
}
.bmt-brandline {
  display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-sub); margin-bottom: 18px;
}
.bmt-powered {
  margin-top: 14px; text-align: center; font-family: var(--bmt-mono);
  font-size: 11px; letter-spacing: .1em; color: rgba(148,163,184,.7);
}
.bmt-powered b { color: var(--bmt-green); }

/* «О продукте» */
.bmt-hero {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  border: 1px solid rgba(34,197,94,.25); background: #0a1628; margin-bottom: 30px;
}
.bmt-hero .bmt-rain { opacity: .5; }
.bmt-hero::after {           /* затемняем центр, чтобы текст читался поверх дождя */
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, rgba(10,22,40,.92) 20%, rgba(10,22,40,.35) 75%);
}
.bmt-hero-inner { position: relative; z-index: 1; text-align: center; padding: 44px 20px 40px; }
.bmt-hero-code {
  font-family: var(--bmt-mono); font-size: 44px; font-weight: 800; letter-spacing: .3em; padding-left: .3em;
  color: var(--bmt-green); text-shadow: 0 0 18px var(--bmt-green-glow), 0 0 2px #bbf7d0;
  line-height: 1;
}
.bmt-hero-name { font-size: 22px; font-weight: 700; margin: 12px 0 6px; letter-spacing: .02em; }
.bmt-hero-tag { color: var(--text-sub); font-size: 15px; margin-bottom: 24px; }
.bmt-pills { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.bmt-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 600; color: #fff;
  transition: transform .15s, box-shadow .2s;
}
.bmt-pill:hover { transform: translateY(-2px); }
.bmt-pill-blue { background: linear-gradient(180deg, #3b82f6, #1d4ed8); box-shadow: 0 4px 18px rgba(59,130,246,.35); }
.bmt-pill-red  { background: linear-gradient(180deg, #ef4444, #b91c1c); box-shadow: 0 4px 18px rgba(239,68,68,.35); }
.bmt-pill-blue:hover { box-shadow: 0 6px 26px rgba(59,130,246,.6); }
.bmt-pill-red:hover  { box-shadow: 0 6px 26px rgba(239,68,68,.6); }
.bmt-pill-dot { width: 22px; height: 10px; border-radius: 999px; background: linear-gradient(90deg, rgba(255,255,255,.9) 50%, rgba(255,255,255,.35) 50%); }

.bmt-section-title { font-size: 17px; font-weight: 700; margin: 6px 0 14px; display: flex; gap: 10px; align-items: center; }
.bmt-modules { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-bottom: 32px; }
.bmt-module {
  display: flex; flex-direction: column; gap: 4px; padding: 16px; color: inherit;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: border-color .2s, box-shadow .2s, transform .15s;
}
.bmt-module:hover { border-color: var(--bmt-green); box-shadow: 0 0 18px rgba(34,197,94,.15); transform: translateY(-2px); }
.bmt-module-ic { font-size: 24px; margin-bottom: 4px; }
.bmt-module b { font-size: 15px; }
.bmt-module small { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

.bmt-choose-sub { margin: -6px 0 14px; }
.bmt-icons { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.bmt-icon-opt {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  padding: 18px 12px 14px; cursor: pointer; color: var(--text-primary);
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: border-color .2s, box-shadow .2s;
}
.bmt-icon-opt img { width: 88px; height: 88px; margin-bottom: 6px; }
.bmt-icon-opt b { font-size: 14px; }
.bmt-icon-opt small { font-size: 12px; color: var(--text-muted); }
.bmt-icon-opt:hover { border-color: var(--blue-primary); }
.bmt-icon-opt.on { border-color: var(--bmt-green); box-shadow: 0 0 20px rgba(34,197,94,.2); }
.bmt-icon-state { margin-top: 4px; font-size: 12px; font-family: var(--bmt-mono); color: var(--blue-bright); }
.bmt-icon-opt.on .bmt-icon-state { color: var(--bmt-green); }

@media (max-width: 600px) {
  .bmt-hero-code { font-size: 34px; }
  .bmt-mark-lg { width: 120px; height: 120px; }
  .bmt-mark-lg img { width: 84px; height: 84px; }
}

/* «О продукте»: красная таблетка — инструкция по сайту */
button.bmt-pill { border: none; cursor: pointer; font-family: inherit; }
.bmt-pill-red[aria-expanded="true"] { box-shadow: 0 0 0 2px #fecaca, 0 6px 26px rgba(239,68,68,.6); }
.bmt-guide { margin-bottom: 34px; animation: bmt-in .45s ease-out; scroll-margin-top: 80px; }
@keyframes bmt-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .bmt-guide { animation: none; } }
.bmt-caret {
  display: inline-block; width: 9px; height: 18px; margin-left: 2px;
  background: var(--bmt-green); box-shadow: 0 0 8px var(--bmt-green-glow);
  animation: bmt-blink 1s steps(1) infinite;
}
@keyframes bmt-blink { 50% { opacity: 0; } }
.bmt-guide-lead {
  font-size: 15px; line-height: 1.7; color: var(--text-sub); max-width: 900px; margin-bottom: 18px;
  border-left: 3px solid var(--bmt-green); padding: 4px 0 4px 14px;
}
.bmt-guide-lead b { color: var(--text-primary); }
.bmt-steps { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; max-width: 900px; }
.bmt-step {
  display: flex; gap: 16px; align-items: flex-start; padding: 14px 16px; color: inherit;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: border-color .2s, box-shadow .2s;
}
.bmt-step:hover { border-color: var(--bmt-green); box-shadow: 0 0 16px rgba(34,197,94,.14); }
.bmt-step-n {
  font-family: var(--bmt-mono); font-size: 20px; font-weight: 800; color: var(--bmt-green);
  text-shadow: 0 0 10px var(--bmt-green-glow); min-width: 34px; line-height: 1.2;
}
.bmt-step b { font-size: 15px; }
.bmt-step p { font-size: 13px; color: var(--text-sub); line-height: 1.6; margin-top: 4px; }
.bmt-roles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 10px; max-width: 900px;
  font-size: 13px; color: var(--text-sub); line-height: 1.6;
}
.bmt-roles > div { background: var(--bg-base); border: 1px dashed var(--border-light); border-radius: var(--radius); padding: 10px 14px; }
.bmt-roles b { color: var(--text-primary); }


/* ── Поиск по тексту документов ───────────────────── */
.kb-ft-head { margin: 22px 0 10px; font-size: 15px; font-weight: 600; color: var(--text-primary); }
.kb-ft-list { display: flex; flex-direction: column; gap: 12px; }
.kb-ft-doc {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 12px 16px;
}
.kb-ft-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-bottom: 6px; }
.kb-ft-name { font-weight: 600; color: var(--blue-bright); display: inline-flex; align-items: center; gap: 6px; }
.kb-ft-name:hover { text-decoration: underline; }
.kb-ft-meta { font-size: 12px; color: var(--text-muted); }
.kb-ft-hit {
  display: flex; gap: 10px; align-items: baseline;
  padding: 7px 10px; margin-top: 4px; border-radius: var(--radius);
  color: var(--text-sub); font-size: 13px; line-height: 1.5;
}
.kb-ft-hit:hover { background: var(--bg-hover); color: var(--text-primary); }
.kb-ft-page {
  flex: none; font-size: 11px; font-weight: 600; color: var(--blue-bright);
  border: 1px solid var(--border-light); border-radius: 6px; padding: 1px 6px;
}
.kb-ft-text { min-width: 0; overflow-wrap: anywhere; }
.kb-ft-text mark { background: #86efac; color: #052e16; border-radius: 3px; padding: 0 2px; font-weight: 700; }
.kb-ft-more { font-size: 12px; color: var(--text-muted); margin: 6px 10px 0; }

/* ── Алгоритмы: инструкция ветки перед выбором варианта ── */
.algo-steps-text {
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 3px solid var(--warning); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 18px;
  font-size: 15px; line-height: 1.65; white-space: pre-wrap;
  color: var(--text-primary);
}

/* ── Алгоритмы: «Где на вагоне», отзыв о решении ───────── */
.algo-wagon-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; font-size: 14px; color: var(--text-sub); }
.algo-wagon-link {
  border: 1px solid var(--border-light); border-radius: 999px; padding: 4px 12px;
  color: var(--blue-bright); background: rgba(59,130,246,.08);
}
.algo-wagon-link small { color: var(--text-muted); margin-left: 4px; }
.algo-wagon-link:hover { background: rgba(59,130,246,.18); }
.algo-fb-badge {
  margin-left: auto; font-size: 13px; font-weight: 600; color: var(--danger);
  border: 1px solid rgba(239,68,68,.4); border-radius: 999px; padding: 2px 10px;
}
.algo-fb { border-top: 1px solid var(--border); margin-top: 18px; padding-top: 14px; }
.algo-fb-q { font-weight: 600; margin-bottom: 8px; }
.algo-fb-row { display: flex; flex-wrap: wrap; gap: 8px; }
.algo-fb-row form { margin: 0; }
.algo-fb-form { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; max-width: 560px; }
.algo-fb-form .btn-primary { align-self: flex-start; margin-top: 4px; }
.algo-fb-done { color: var(--text-sub); font-size: 14px; }
.wg-algo-btn { white-space: normal; text-align: left; }

/* ── Тех. учёба: вход в тренировку ──────────────────────── */
.tr-quiz-card {
  display: flex; align-items: center; gap: 14px; margin: 4px 0 18px;
  padding: 14px 18px; border-radius: var(--radius-lg);
  background: linear-gradient(90deg, rgba(34,197,94,.10), rgba(59,130,246,.08));
  border: 1px solid var(--border-light); color: var(--text-primary);
}
.tr-quiz-card:hover { border-color: var(--success); }
.tr-quiz-card small { display: block; color: var(--text-sub); font-size: 13px; margin-top: 2px; }
.tr-quiz-icon { font-size: 28px; }
.tr-quiz-go { margin-left: auto; color: var(--success); font-weight: 600; white-space: nowrap; }

/* ── Тренировка ─────────────────────────────────────────── */
.qz { max-width: 760px; }
.qz-start { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.qz-mode {
  display: flex; flex-direction: column; gap: 6px; text-align: left; cursor: pointer;
  padding: 18px; border-radius: var(--radius-lg); font: inherit;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary);
}
.qz-mode:hover:not(:disabled) { border-color: var(--blue-primary); background: var(--bg-hover); }
.qz-mode:disabled { opacity: .5; cursor: default; }
.qz-mode small { color: var(--text-sub); font-size: 13px; }
.qz-mode-icon { font-size: 28px; }
.qz-mode-count { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.qz-progress { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.qz-bar { flex: 1; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.qz-bar div { height: 100%; background: var(--success); transition: width .3s; }
.qz-case {
  background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--warning);
  border-radius: var(--radius); padding: 12px 16px; margin-bottom: 12px; font-size: 16px;
}
.qz-case-lbl { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--warning); margin-bottom: 2px; }
.qz-trail { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; min-height: 1em; }
.qz-ask { font-size: 15px; font-weight: 600; color: var(--text-sub); margin-bottom: 10px; }
.qz-msg { border-radius: var(--radius); padding: 10px 14px; margin-bottom: 12px; font-size: 14px; }
.qz-msg-ok   { background: rgba(34,197,94,.12);  color: var(--success); }
.qz-msg-warn { background: rgba(245,158,11,.12); color: var(--warning); }
.qz-msg-bad  { background: rgba(239,68,68,.12);  color: var(--danger); }
.qz-options { display: flex; flex-direction: column; gap: 8px; }
.qz-opt {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; text-align: left; cursor: pointer;
  padding: 12px 16px; border-radius: var(--radius); font: inherit; font-size: 15px;
  background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--blue-primary);
  color: var(--text-primary);
}
.qz-opt small { flex-basis: 100%; color: var(--text-muted); font-size: 12px; }
.qz-opt:hover:not(:disabled) { background: var(--bg-hover); }
.qz-opt-sol { border-left-color: var(--success); }
.qz-opt.qz-wrong { border-color: var(--danger); background: rgba(239,68,68,.08); cursor: default; }
.qz-opt.qz-hint  { border-color: var(--success); box-shadow: 0 0 0 1px var(--success); }
.qz-opt.qz-right { border-color: var(--success); background: rgba(34,197,94,.08); }
.qz-opt.qz-picked { opacity: .75; }
.qz-step { flex-wrap: nowrap; align-items: center; }
.qz-num {
  flex: none; width: 26px; height: 26px; border-radius: 50%; display: inline-flex;
  align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
  border: 1px solid var(--border-light); color: var(--blue-bright);
}
.qz-step .qz-should { flex-basis: auto; margin-left: auto; color: var(--danger); white-space: nowrap; }
.qz-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.qz-result { text-align: center; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px 18px; }
.qz-result-lbl { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.qz-score { font-size: 44px; font-weight: 700; color: var(--warning); margin: 4px 0 6px; }
.qz-score-ok { color: var(--success); }
.qz-mistakes { text-align: left; margin: 14px auto; max-width: 620px; color: var(--text-sub); font-size: 14px; line-height: 1.5; padding-left: 20px; }
.qz-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 10px 0; }
.qz-result .qz-actions { justify-content: center; }

/* ── Статистика ─────────────────────────────────────────── */
.st-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.st-nav a { border: 1px solid var(--border); border-radius: 999px; padding: 5px 14px; font-size: 13px; color: var(--text-sub); }
.st-nav a:hover { border-color: var(--blue-primary); color: var(--blue-bright); }
.st-block { margin-bottom: 34px; scroll-margin-top: 80px; }
.st-block h2 { font-size: 18px; margin-bottom: 12px; }
.st-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.st-head h2 { margin: 0; }
.st-sub { font-size: 14px; color: var(--text-sub); margin: 18px 0 8px; font-weight: 600; }
.st-hint { font-size: 12px; color: var(--text-muted); margin: -4px 0 8px; }
.st-empty { color: var(--text-muted); font-size: 14px; }
.st-cards { display: flex; flex-direction: column; gap: 10px; }
.st-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; }
.st-card.st-done { opacity: .55; }
.st-card-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-bottom: 6px; }
.st-card-title { font-weight: 600; color: var(--blue-bright); }
.st-meta { font-size: 12px; color: var(--text-muted); margin-left: auto; }
.st-pill { font-size: 12px; border: 1px solid var(--border-light); border-radius: 999px; padding: 1px 8px; color: var(--text-sub); }
.st-pill-ok { color: var(--success); border-color: var(--success); }
.st-comment { font-size: 14px; color: var(--text-primary); white-space: pre-wrap; margin-bottom: 8px; }
.st-mistakes { margin: 4px 0 0 18px; font-size: 13px; color: var(--text-sub); }
.st-table td, .st-table th { padding: 9px 14px; }
.st-num { text-align: right; width: 1%; white-space: nowrap; }
.st-warn { color: var(--danger); }
.st-path { font-size: 12px; }
.st-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0 28px; }
.st-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.st-tag { border: 1px solid var(--border); border-radius: 6px; padding: 3px 10px; font-size: 13px; color: var(--text-primary); background: var(--bg-card); }
.st-tag b { color: var(--text-muted); font-weight: 600; margin-left: 4px; }
.st-tag:hover { border-color: var(--blue-primary); }
.st-tag-miss { border-color: rgba(245,158,11,.45); }
.btn-green { background: rgba(34,197,94,.15); color: var(--success); border: 1px solid rgba(34,197,94,.4); }
.btn-green:hover { background: rgba(34,197,94,.28); }
.text-muted { color: var(--text-muted); }

/* ── Тренировка: задания преподавателя ──────────────────── */
.qz-edit-link { margin-top: 10px; display: inline-block; }
.qz-list { display: flex; flex-direction: column; gap: 8px; }
.qz-back { align-self: flex-start; margin-bottom: 4px; }
.qz-task-pick { flex-direction: column; align-items: stretch; gap: 4px; }
.qz-task-name { font-weight: 600; }
.qz-draft { font-style: normal; font-size: 11px; color: var(--warning); border: 1px solid rgba(245,158,11,.45); border-radius: 999px; padding: 0 8px; margin-left: 8px; }
.qz-task-count { color: var(--blue-bright) !important; }
.qz-case-text { white-space: pre-wrap; font-weight: 500; }
.qz-multi { flex-wrap: nowrap; align-items: center; }
.qz-box { flex: none; width: 18px; height: 18px; border: 2px solid var(--border-light); border-radius: 4px; }
.qz-picked-on { border-color: var(--blue-primary); background: rgba(59,130,246,.12); }
.qz-picked-on .qz-box { background: var(--blue-primary); border-color: var(--blue-primary); }

/* ── Редактор заданий ───────────────────────────────────── */
.qt-wrap { display: grid; grid-template-columns: 260px 1fr; gap: 20px; align-items: start; }
.qt-list { display: flex; flex-direction: column; gap: 6px; }
.qt-new { margin-bottom: 6px; }
.qt-item { display: flex; align-items: stretch; gap: 6px; }
.qt-item form { display: flex; margin: 0; }
.qt-item-open {
  flex: 1; min-width: 0; text-align: left; cursor: pointer; font: inherit; color: var(--text-primary);
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 12px;
}
.qt-item-open small { display: block; color: var(--text-muted); font-size: 12px; margin-top: 2px; }
.qt-item-open b { display: block; overflow-wrap: anywhere; }
.qt-item.on .qt-item-open, .qt-item-open:hover { border-color: var(--blue-primary); }
.qt-editor { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 6px 18px 18px; min-width: 0; }
.qt-empty-editor { color: var(--text-muted); padding: 30px 0; }
.qt-check { display: flex; align-items: center; gap: 8px; margin: 14px 0 4px; font-size: 14px; cursor: pointer; }
.qt-questions { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.qt-q { border: 1px solid var(--border); border-left: 3px solid var(--blue-primary); border-radius: var(--radius); padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; background: var(--bg-base); }
.qt-q-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.qt-tools { margin-left: auto; display: flex; gap: 4px; }
.qt-note { font-size: 12px; color: var(--text-muted); }
.qt-opts { display: flex; flex-direction: column; gap: 6px; }
.qt-opt { display: flex; align-items: center; gap: 6px; }
.qt-opt .ab-input { flex: 1; min-width: 0; }
.qt-opt input[type=checkbox] { width: 18px; height: 18px; flex: none; cursor: pointer; }
.qt-q > .btn-outline { align-self: flex-start; }
.qt-add { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.qt-errors { margin-top: 14px; padding: 10px 14px; border-radius: var(--radius); background: rgba(239,68,68,.12); color: var(--danger); font-size: 14px; }
.qt-save { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.qt-status { font-size: 13px; color: var(--text-muted); }
@media (max-width: 768px) {
  .qt-wrap { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════
   ПРОВЕРКА АЛГОРИТМОВ ПО УЧАСТКАМ
   ════════════════════════════════════════════════ */
.ar-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ar-wrap {
  display: grid; grid-template-columns: 290px 250px 280px minmax(0, 1fr);
  gap: 12px; height: calc(100vh - 230px); min-height: 520px;
}
.ar-col {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; overflow-y: auto; min-height: 0;
}
.ar-col-title {
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-muted); margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.ar-col-title.ar-sub { margin-top: 18px; }
.ar-help {
  display: inline-flex; width: 16px; height: 16px; border-radius: 50%; align-items: center; justify-content: center;
  border: 1px solid var(--border); font-size: 10px; cursor: help; text-transform: none;
}
.ar-areas { display: flex; flex-direction: column; gap: 6px; }
.ar-area {
  display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; color: var(--text-primary);
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-base);
}
.ar-area small { margin-left: auto; color: var(--text-muted); font-size: 11px; }
.ar-search { margin-bottom: 6px; }
.ar-tree-head, .ar-tree-row { display: grid; align-items: center; gap: 0; }
.ar-tree-head { font-size: 11px; font-weight: 700; color: var(--text-muted); padding: 2px 0 4px; border-bottom: 1px solid var(--border); }
.ar-tree-ah, .ar-tree-cb { text-align: center; }
.ar-tree-row { font-size: 13px; color: var(--text-sub); border-radius: 4px; }
.ar-tree-row:hover { background: var(--bg-hover); color: var(--text-primary); }
.ar-tree-name { display: flex; align-items: center; gap: 4px; min-width: 0; padding: 4px 0; }
.ar-tree-name > span:last-child, .ar-tree-name > span:nth-child(2) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ar-tog, .ar-tog-sp { width: 16px; flex-shrink: 0; }
.ar-tog { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 0; font-size: 11px; }
.ar-tree-cb input { cursor: pointer; }
.ar-tree-cb input.inh { opacity: .45; cursor: help; }
.ar-list { display: flex; flex-direction: column; gap: 4px; }
.ar-item {
  display: flex; align-items: flex-start; gap: 8px; text-align: left; width: 100%;
  padding: 8px 10px; border-radius: 6px; cursor: pointer;
  background: transparent; border: 1px solid transparent; color: var(--text-sub); font-size: 13px;
}
.ar-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.ar-item.on { background: var(--bg-hover); border-color: var(--blue-primary); color: var(--text-primary); }
.ar-item-ic { flex-shrink: 0; }
.ar-item-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ar-item-title { font-weight: 600; }
.ar-muted { color: var(--text-muted); font-size: 11px; }
.ar-count {
  flex-shrink: 0; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-muted); white-space: nowrap;
}
.ar-count.part { color: var(--warning); border-color: var(--warning); }
.ar-count.done { color: var(--success); border-color: var(--success); }
.ar-progress { text-transform: none; letter-spacing: 0; }
.ar-empty { color: var(--text-muted); font-size: 13px; line-height: 1.6; padding: 14px 4px; }
.ar-path { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.ar-bulk { margin-bottom: 12px; }
.ar-card {
  border: 1px solid var(--border); border-left: 3px solid var(--border); border-radius: 6px;
  background: var(--bg-base); padding: 10px 12px; margin-bottom: 8px;
}
.ar-card.st-ok { border-left-color: var(--success); }
.ar-card.st-stale { border-left-color: var(--warning); }
.ar-card-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.ar-card-title { font-size: 14px; color: var(--text-primary); margin-right: auto; }
.ar-chip { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); white-space: nowrap; }
.ar-chip.ok { color: var(--success); border-color: var(--success); }
.ar-chip.stale { color: var(--warning); border-color: var(--warning); }
.ar-chip.none { color: var(--text-muted); }
.ar-chip.bad { color: var(--danger); border-color: var(--danger); }
.ar-note { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.ar-ask { font-size: 13px; color: var(--blue-bright); margin-bottom: 4px; }
.ar-text { font-size: 13px; line-height: 1.55; color: var(--text-sub); white-space: pre-line; margin-bottom: 6px; }
.ar-card-act, .ar-edit-act { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.ar-edit .ab-lbl { margin-top: 8px; }
.ar-status {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(20px); z-index: 50;
  background: var(--bg-card); border: 1px solid var(--success); color: var(--text-primary);
  padding: 8px 16px; border-radius: 8px; font-size: 13px; opacity: 0; pointer-events: none; transition: all .2s;
}
.ar-status.show { opacity: 1; transform: translateX(-50%); }
.ar-status.err { border-color: var(--danger); }
@media (max-width: 1200px) {
  .ar-wrap { grid-template-columns: 1fr 1fr; height: auto; }
  .ar-col { max-height: 420px; }
  .ar-col-check { grid-column: 1 / -1; max-height: none; }
}
@media (max-width: 700px) {
  .ar-wrap { grid-template-columns: 1fr; }
}
/* участки у блока в конструкторе */
.ab-areas { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.ab-areas label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-primary); cursor: pointer; }
.ab-areas-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.ab-node-areas { margin-left: auto; display: flex; gap: 3px; }
.ab-node-area {
  font-size: 10px; font-weight: 700; line-height: 1; padding: 3px 5px; border-radius: 4px;
  background: var(--blue-primary); color: #fff;
}
.ab-node-area.inh { background: transparent; color: var(--text-muted); border: 1px dashed var(--border); }
.ab-node-checked { font-size: 11px; color: var(--success); }

/* ════════════════════════════════════════════════
   ТЕСТЫ (аттестация) В ТЕХ. УЧЁБЕ
   ════════════════════════════════════════════════ */
.ex-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ex-header-act { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.ex-muted { color: var(--text-muted); font-size: 12px; }
.ex-nowrap { white-space: nowrap; }
.ex-note {
  background: var(--bg-card); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 12px 16px; color: var(--text-sub); font-size: 13px; margin-bottom: 16px;
}
.ex-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 14px; }
.ex-card {
  background: var(--bg-card); border: 1px solid var(--border); border-left: 4px solid var(--blue-primary);
  border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 10px;
}
.ex-group-card { border-left-color: var(--success); }
.ex-group-card .ex-card-head h3 { font-size: 20px; }
.ex-card.passed { border-left-color: var(--success); }
.ex-card.failed { border-left-color: var(--warning); }
.ex-card-head { display: flex; align-items: flex-start; gap: 8px; flex-wrap: wrap; }
.ex-card-head h3 { flex: 1; font-size: 16px; line-height: 1.35; }
.ex-desc { font-size: 13px; color: var(--text-sub); line-height: 1.5; white-space: pre-line; }
.ex-facts { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--text-sub); }
.ex-best { font-size: 13px; color: var(--text-sub); }
.ex-best a { margin-left: 6px; }
.ex-card-act { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: auto; }
.ex-card-act form { display: inline; }
.ex-category-manager p { margin: 8px 0 12px; }
.ex-category-form, .ex-category-edit { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ex-category-form .ab-input { width: min(100%, 320px); }
.ex-category-edit { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 10px; }
.ex-move-form { display: inline-flex !important; align-items: center; gap: 6px; }
.ex-move-form .ab-input { width: min(180px, 55vw); padding: 5px 8px; font-size: 12px; }
.ex-tag {
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; white-space: nowrap;
  border: 1px solid var(--border); color: var(--text-muted);
}
.ex-tag.ok { color: var(--success); border-color: var(--success); }
.ex-tag.bad { color: var(--danger); border-color: var(--danger); }
.ex-tag.draft { color: var(--warning); border-color: var(--warning); }

/* прохождение */
.ex-take-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.ex-take-title { font-size: 22px; }
.ex-timer {
  font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; padding: 6px 14px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card);
}
.ex-timer.warn { color: var(--danger); border-color: var(--danger); animation: exBlink 1s infinite; }
@keyframes exBlink { 50% { opacity: .55; } }
.ex-nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.ex-nav-b {
  min-width: 36px; height: 36px; border-radius: 8px; cursor: pointer; font-weight: 600;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-sub); position: relative;
}
.ex-nav-b.done { background: rgba(59,130,246,.18); color: var(--text-primary); }
.ex-nav-b.cur { border-color: var(--blue-bright); box-shadow: 0 0 0 2px rgba(96,165,250,.35); color: var(--text-primary); }
.ex-nav-b.flag::after { content: '⚑'; position: absolute; top: -7px; right: -4px; font-size: 11px; color: var(--warning); }
.ex-take { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.ex-q-num { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.ex-q-text { font-size: 17px; line-height: 1.5; color: var(--text-primary); white-space: pre-line; margin-bottom: 12px; }
.ex-q-hint { font-size: 12px; color: var(--blue-bright); margin: 10px 0; }
.ex-media { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-start; }
.ex-media-img { max-width: min(100%, 520px); max-height: 360px; border-radius: 6px; border: 1px solid var(--border); cursor: zoom-in; }
.ex-media-sm .ex-media-img { max-height: 180px; }
.ex-media-video { width: min(100%, 640px); border-radius: 6px; background: #000; }
.ex-opts { display: flex; flex-direction: column; gap: 8px; }
.ex-opt {
  display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; cursor: pointer;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg-base); font-size: 15px;
}
.ex-opt:hover { border-color: var(--blue-primary); }
.ex-opt.on { border-color: var(--blue-bright); background: rgba(59,130,246,.12); }
.ex-opt input { margin-top: 3px; width: 18px; height: 18px; flex-shrink: 0; }
.ex-opt-body { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 0; }
.ex-opt-body img { max-width: 260px; max-height: 180px; border-radius: 4px; }
.ex-order { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.ex-order-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; cursor: grab;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg-base); font-size: 15px;
}
.ex-order-item.drag { opacity: .5; }
.ex-order-grip { color: var(--text-muted); }
.ex-order-n { font-weight: 700; color: var(--blue-bright); min-width: 18px; }
.ex-order-btn {
  width: 30px; height: 30px; border-radius: 6px; border: 1px solid var(--border); cursor: pointer;
  background: var(--bg-card); color: var(--text-primary);
}
.ex-order-btn:disabled { opacity: .3; cursor: default; }
.ex-match { display: flex; flex-direction: column; gap: 8px; }
.ex-match-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 10px; align-items: center; }
.ex-match-left { font-size: 15px; padding: 8px 12px; background: var(--bg-base); border: 1px solid var(--border); border-radius: 8px; }
.ex-input { max-width: 420px; font-size: 16px; }
.ex-q-act { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.ex-q-act #exFinish { margin-left: auto; }
.ex-flag.on { color: var(--warning); border-color: var(--warning); }
.ex-saved { font-size: 12px; color: var(--success); }
.ex-saved.warn { color: var(--warning); }
.ex-saved.err { color: var(--danger); }

/* результат */
.ex-score {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap; padding: 18px 22px; margin-bottom: 16px;
  background: var(--bg-card); border: 1px solid var(--border); border-left: 5px solid var(--success); border-radius: var(--radius);
}
.ex-score.bad { border-left-color: var(--danger); }
.ex-score-big { font-size: 44px; font-weight: 800; font-variant-numeric: tabular-nums; }
.ex-score.ok .ex-score-big { color: var(--success); }
.ex-score.bad .ex-score-big { color: var(--danger); }
.ex-score-verdict { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.ex-score-act { margin-left: auto; }
.ex-review-bar { display: flex; align-items: center; gap: 16px; margin: 6px 0 10px; }
.ex-only-bad { display: flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; }
.ex-review { display: flex; flex-direction: column; gap: 10px; }
.ex-review.only-bad .ex-rev.ok { display: none; }
.ex-rev {
  background: var(--bg-card); border: 1px solid var(--border); border-left: 4px solid var(--success);
  border-radius: var(--radius); padding: 14px 16px;
}
.ex-rev.bad { border-left-color: var(--danger); }
.ex-rev-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.ex-rev-mark { font-weight: 800; font-size: 16px; }
.ex-rev.ok .ex-rev-mark { color: var(--success); }
.ex-rev.bad .ex-rev-mark { color: var(--danger); }
.ex-rev .ex-q-text { font-size: 15px; margin-bottom: 8px; }
.ex-rev-ans, .ex-rev-right { font-size: 14px; margin-top: 6px; }
.ex-rev.bad .ex-rev-ans { color: #fca5a5; }
.ex-rev-right { color: #86efac; }
.ex-explain { margin-top: 10px; padding: 10px 12px; background: var(--bg-base); border-radius: 6px; border: 1px solid var(--border); }
.ex-explain-text { font-size: 14px; line-height: 1.55; white-space: pre-line; color: var(--text-sub); }
.ex-explain-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.ex-explain-links:empty { display: none; }
.ex-admin-del { margin-top: 20px; }

/* журнал */
.ex-filter { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.ex-filter select { width: auto; min-width: 220px; }
.ex-table td { padding: 10px 14px; vertical-align: middle; }

/* редактор */
.ee-errors {
  background: rgba(239,68,68,.1); border: 1px solid var(--danger); border-radius: var(--radius);
  padding: 10px 16px; margin-bottom: 14px; font-size: 13px;
}
.ee-errors ul { margin: 6px 0 0 18px; }
.ee-settings, .ee-q {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 14px;
}
.ee-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-top: 6px; }
.ee-f { display: flex; flex-direction: column; min-width: 150px; }
.ee-grow { flex: 1; min-width: 220px; }
.ee-check { display: flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; padding: 8px 0; }
.ee-publish { color: var(--success); font-weight: 600; }
.ee-qhead h2 { font-size: 18px; margin: 18px 0 10px; }
.ee-q-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.ee-type { width: auto; }
.ee-points { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.ee-points input { width: 64px; }
.ee-sp { flex: 1; }
.ee-media { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.ee-media-item {
  display: flex; align-items: center; gap: 8px; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg-base); font-size: 12px; max-width: 100%;
}
.ee-media-item img { width: 56px; height: 40px; object-fit: cover; border-radius: 4px; }
.ee-media-name { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ee-start { display: flex; align-items: center; gap: 4px; color: var(--text-muted); }
.ee-start input { width: 64px; padding: 4px 6px; }
.ee-media-act { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.ee-file { cursor: pointer; }
.ee-opts { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.ee-hint { font-size: 12px; color: var(--text-muted); }
.ee-opt { display: flex; align-items: center; gap: 6px; }
.ee-opt .ab-input { flex: 1; }
.ee-opt input[type=radio], .ee-opt input[type=checkbox] { width: 18px; height: 18px; flex-shrink: 0; }
.ee-opt-n { min-width: 22px; font-weight: 700; color: var(--blue-bright); }
.ee-opt-img { width: 44px; height: 32px; object-fit: cover; border-radius: 4px; }
.ee-arrow { color: var(--text-muted); }
.ee-explain summary { cursor: pointer; font-size: 13px; color: var(--blue-bright); margin: 6px 0; }
.ee-add { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 40px; }
.ee-lib-box { max-width: 760px; width: 94vw; }
.ee-lib-list { max-height: 55vh; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; margin-top: 10px; }

/* Тех. Учёба: карточка тестов и перенос файлов */
.tr-exam-card:hover { border-color: var(--blue-bright); }
.tr-col-sel { width: 36px; text-align: center; }
.tr-dnd tr[draggable="true"] { cursor: grab; }
.tr-picked td { background: rgba(59,130,246,.12); }
.tr-dragging .tr-picked td { opacity: .6; }
.tr-drop-over, tr.tr-drop-over td { background: rgba(34,197,94,.18) !important; outline: 2px dashed var(--success); outline-offset: -2px; }

@media (max-width: 700px) {
  .ex-match-row { grid-template-columns: 1fr; }
  .ex-take { padding: 14px; }
  .ex-q-act #exFinish { margin-left: 0; width: 100%; }
  .ex-score-big { font-size: 34px; }
}
/* импорт теста из Word */
.ee-warn {
  background: rgba(245,158,11,.1); border: 1px solid var(--warning); border-radius: var(--radius);
  padding: 10px 16px; margin-bottom: 14px; font-size: 13px;
}
.ee-warn ul { margin: 6px 0 6px 18px; }
.ee-warn small { color: var(--text-muted); }
.ex-word-help {
  background: var(--bg-card); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 10px 16px; margin-bottom: 16px; font-size: 13px; color: var(--text-sub);
}
.ex-word-help summary { cursor: pointer; color: var(--blue-bright); }
.ex-word-help ul { margin: 8px 0 8px 18px; line-height: 1.7; }
.ex-header-act form { display: inline; }
/* этап 2: «укажи на картинке», банк, выборка, назначения, группы */
.ex-hot { position: relative; display: inline-block; max-width: 100%; line-height: 0; user-select: none; }
.ex-hot img { max-width: min(100%, 760px); max-height: 520px; border-radius: 6px; border: 1px solid var(--border); cursor: crosshair; }
.ex-hot-review img { cursor: default; max-height: 360px; }
.ex-hot-pt {
  position: absolute; width: 22px; height: 22px; margin: -11px 0 0 -11px; border-radius: 50%;
  background: rgba(59,130,246,.35); border: 3px solid var(--blue-bright); box-shadow: 0 0 0 2px rgba(0,0,0,.5);
  pointer-events: none;
}
.ex-hot-pt.ok { border-color: var(--success); background: rgba(34,197,94,.35); }
.ex-hot-pt.bad { border-color: var(--danger); background: rgba(239,68,68,.35); }
.ex-hot-zone { position: absolute; border: 3px solid var(--success); background: rgba(34,197,94,.18); border-radius: 4px; pointer-events: none; }
.ee-hot .ee-zone { pointer-events: auto; cursor: pointer; }
.ee-hot .ee-zone:hover { border-color: var(--danger); background: rgba(239,68,68,.2); }
.ee-zone.drawing { border-style: dashed; }
.ee-h3 { font-size: 15px; margin-bottom: 4px; }
.ee-pick { flex-wrap: wrap; }
.ee-pick select { width: auto; max-width: 320px; }
.ee-num { width: 80px !important; flex: 0 0 auto !important; }
.ee-date { width: 170px !important; flex: 0 0 auto !important; }
.ee-short { color: var(--danger); font-weight: 600; }
.ee-topic { width: 160px; }
.ee-bank { color: #c4b5fd; font-weight: 600; }
#eeAssign .ee-opt select { flex: 1; }
.ex-card.bank { border-left-color: #a78bfa; }
.ex-card.overdue { border-left-color: var(--danger); }
.ex-tag.bank { color: #c4b5fd; border-color: #a78bfa; }
.ex-tag.due { color: var(--blue-bright); border-color: var(--blue-primary); }
.ex-tag.st-passed { color: var(--success); border-color: var(--success); }
.ex-tag.st-failed, .ex-tag.st-overdue { color: var(--danger); border-color: var(--danger); }
.ex-tag.st-active { color: var(--blue-bright); border-color: var(--blue-primary); }
.ex-tag.st-none { color: var(--warning); border-color: var(--warning); }
.ex-h2 { font-size: 17px; margin: 18px 0 10px; }
.ex-assign-sum { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.eg-users { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; background: var(--bg-base); }
.eg-user { padding: 4px 0; }
.ex-card-head .ab-input { flex: 1; }
.ee-points .ee-topic { width: 170px; }
/* этап 3: статистика тестов */
.es-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 8px; }
.es-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; display: flex; flex-direction: column; gap: 2px;
}
.es-card b { font-size: 26px; font-variant-numeric: tabular-nums; }
.es-card span { font-size: 12px; color: var(--text-muted); }
.es-topics { display: flex; flex-direction: column; gap: 8px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; }
.es-topic { display: grid; grid-template-columns: minmax(120px, 220px) minmax(0, 1fr) 90px 150px; gap: 12px; align-items: center; font-size: 13px; }
.es-topic-name { font-weight: 600; }
.es-topic-pct { font-weight: 700; text-align: right; }
.es-bar { display: block; height: 10px; background: var(--bg-base); border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.es-bar-sm { height: 8px; }
.es-bar-fill { display: block; height: 100%; border-radius: 999px; }
.es-bar-fill.ok { background: var(--success); }
.es-bar-fill.mid { background: var(--warning); }
.es-bar-fill.bad { background: var(--danger); }
.es-questions { display: flex; flex-direction: column; gap: 6px; }
.es-q { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.es-q summary { display: flex; align-items: center; gap: 12px; padding: 10px 14px; cursor: pointer; list-style: none; }
.es-q summary::-webkit-details-marker { display: none; }
.es-q-pct { min-width: 52px; text-align: center; font-weight: 800; font-size: 13px; padding: 3px 6px; border-radius: 6px; }
.es-q-pct.bad, .es-cell.bad { background: rgba(239,68,68,.18); color: #fca5a5; }
.es-q-pct.mid, .es-cell.mid { background: rgba(245,158,11,.18); color: #fcd34d; }
.es-q-pct.ok, .es-cell.ok { background: rgba(34,197,94,.16); color: #86efac; }
.es-q-text { flex: 1; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.es-q[open] .es-q-text { white-space: normal; }
.es-q-meta { white-space: nowrap; }
.es-q-body { padding: 0 14px 12px 78px; display: flex; flex-direction: column; gap: 8px; }
.es-opts { display: flex; flex-direction: column; gap: 4px; }
.es-opt { display: grid; grid-template-columns: 18px minmax(0, 1fr) 160px 36px; gap: 8px; align-items: center; font-size: 13px; }
.es-opt.right .es-opt-text { color: #86efac; }
.es-opt-mark { color: var(--success); font-weight: 800; }
.es-opt-n { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-sub); }
.es-matrix-wrap { overflow-x: auto; }
.es-matrix th { white-space: nowrap; max-width: 140px; overflow: hidden; text-overflow: ellipsis; }
.es-matrix td { padding: 8px 12px; }
.es-cell { display: inline-block; min-width: 48px; text-align: center; font-weight: 700; font-size: 12px; padding: 3px 6px; border-radius: 6px; }
@media (max-width: 800px) {
  .es-topic { grid-template-columns: 1fr 70px; }
  .es-topic .es-bar { grid-column: 1 / -1; }
  .es-q-body { padding-left: 14px; }
  .es-q-meta { display: none; }
}
/* тексты сайта */
.st-form { max-width: 980px; }
.st-icon { min-width: 80px; max-width: 90px; }
.st-link { align-self: center; margin-top: 18px; }
.st-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 10px 0 40px; }
.st-reset { margin-left: auto; }
.bmt-edit-texts { margin-top: 14px; display: inline-block; }
.dash-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-wrap: wrap; }