/* =========================================================================
   Speed Tracker AI — ITMS/ATCS-grade dashboard theme
   Design tokens, layout shell, and every component style live here.
   ========================================================================= */

:root {
  /* ---- palette ---- */
  --bg: #0f172a;
  --bg-elevated: #0b1222;
  --surface: #1e293b;
  --surface-2: #24334a;
  --surface-glass: rgba(30, 41, 59, 0.72);
  --border: #334155;
  --border-soft: rgba(148, 163, 184, 0.14);

  --primary: #3b82f6;
  --primary-dim: rgba(59, 130, 246, 0.16);
  --primary-ring: rgba(59, 130, 246, 0.35);
  --success: #22c55e;
  --success-dim: rgba(34, 197, 94, 0.16);
  --warning: #f59e0b;
  --warning-dim: rgba(245, 158, 11, 0.16);
  --danger: #ef4444;
  --danger-dim: rgba(239, 68, 68, 0.16);

  --text: #f8fafc;
  --text-dim: #cbd5e1;
  --text-muted: #8b9bb4;
  --text-faint: #5b6b85;

  /* ---- structure ---- */
  --sidebar-w: 264px;
  --sidebar-w-collapsed: 76px;
  --header-h: 68px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.24), 0 12px 32px -12px rgba(0, 0, 0, 0.45);
  --shadow-pop: 0 20px 60px -12px rgba(0, 0, 0, 0.6);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 250ms;
}

/* ---------------------------------------------------------------------- */
/* Reset + base                                                            */
/* ---------------------------------------------------------------------- */
* , *::before, *::after { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; }
input, select, textarea { font-family: inherit; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: #334862; }

.icon { width: 18px; height: 18px; stroke-width: 2; flex-shrink: 0; }
.icon-sm { width: 15px; height: 15px; }
.icon-lg { width: 22px; height: 22px; }

/* ---------------------------------------------------------------------- */
/* App shell                                                                */
/* ---------------------------------------------------------------------- */
.app-shell {
  display: flex;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(59, 130, 246, 0.08), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(34, 197, 94, 0.05), transparent 55%),
    var(--bg);
}

.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.page-content {
  padding: 20px 24px 40px;
  flex: 1;
}

/* ---------------------------------------------------------------------- */
/* Sidebar                                                                  */
/* ---------------------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
  transition: width var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 16, 0.6);
  backdrop-filter: blur(2px);
  z-index: 39;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border-soft);
  min-height: var(--header-h);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), #22d3ee);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--primary-dim), 0 8px 20px -6px rgba(59, 130, 246, 0.55);
}

.brand-mark .icon { width: 20px; height: 20px; color: #04101f; stroke-width: 2.4; }

.brand-text { min-width: 0; overflow: hidden; }
.brand-title { font-weight: 800; font-size: 15px; letter-spacing: 0.01em; white-space: nowrap; }
.brand-subtitle { font-size: 11px; color: var(--text-muted); white-space: nowrap; letter-spacing: 0.04em; text-transform: uppercase; }

.sidebar-nav {
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  flex: 1;
}

.nav-section-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 14px 12px 6px;
  white-space: nowrap;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-weight: 500;
  font-size: 13.5px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
}

.nav-item .icon { color: var(--text-muted); transition: color var(--dur) var(--ease); }

.nav-item:hover {
  background: rgba(148, 163, 184, 0.08);
  color: var(--text);
}
.nav-item:hover .icon { color: var(--text); }

.nav-item.active {
  background: var(--primary-dim);
  color: #cfe2ff;
  border-color: rgba(59, 130, 246, 0.28);
}
.nav-item.active .icon { color: var(--primary); }

.nav-item .label { flex: 1; overflow: hidden; text-overflow: ellipsis; }

.sidebar-footer {
  padding: 14px 20px 18px;
  border-top: 1px solid var(--border-soft);
  font-size: 11px;
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-collapse-btn {
  display: none;
}

/* ---------------------------------------------------------------------- */
/* Header                                                                   */
/* ---------------------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border-soft);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn.active { background: var(--primary-dim); border-color: rgba(59, 130, 246, 0.35); color: var(--primary); }

.sidebar-toggle { display: none; }

.page-title { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.page-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 1px; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.clock-block {
  text-align: right;
  padding-right: 14px;
  margin-right: 4px;
  border-right: 1px solid var(--border-soft);
  line-height: 1.25;
}
.clock-time { font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }
.clock-date { font-size: 11px; color: var(--text-muted); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
  position: relative;
}
.status-dot.pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0;
  animation: pulse-ring 1.8s var(--ease) infinite;
}
.status-dot.online { background: var(--success); color: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.offline { background: var(--danger); color: var(--danger); }
.status-dot.pending { background: var(--warning); color: var(--warning); }

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 0.55; }
  100% { transform: scale(1.6); opacity: 0; }
}

@media (max-width: 640px) {
  .clock-block { display: none; }
}

/* ---------------------------------------------------------------------- */
/* Generic card                                                             */
/* ---------------------------------------------------------------------- */
.card {
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.card:hover { border-color: rgba(148, 163, 184, 0.24); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-soft);
}

.card-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
}

.card-header-title .icon { color: var(--primary); }

.card-body { padding: 20px; }
.card-body-flush { padding: 0; }

.section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin: 28px 2px 12px;
}
.section-title:first-child { margin-top: 2px; }

/* ---------------------------------------------------------------------- */
/* Content grid: main column + right panel                                 */
/* ---------------------------------------------------------------------- */
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 336px;
  gap: 20px;
  align-items: start;
}

.content-main { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.content-side { display: flex; flex-direction: column; gap: 20px; min-width: 0; position: sticky; top: calc(var(--header-h) + 20px); }

/* ---------------------------------------------------------------------- */
/* KPI cards                                                                */
/* ---------------------------------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}

.kpi-card {
  position: relative;
  overflow: hidden;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.kpi-card:hover { transform: translateY(-3px); border-color: rgba(148, 163, 184, 0.26); }

.kpi-icon-bg {
  position: absolute;
  right: -10px;
  bottom: -14px;
  width: 74px;
  height: 74px;
  opacity: 0.09;
}
.kpi-icon-bg .icon { width: 100%; height: 100%; stroke-width: 1.5; }

.kpi-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-value {
  margin-top: 10px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.kpi-value .unit { font-size: 12px; font-weight: 600; color: var(--text-muted); }
.kpi-card.accent-danger .kpi-value { color: var(--danger); }
.kpi-card.accent-primary .kpi-value { color: #8fbcff; }
.kpi-card.accent-success .kpi-value { color: #7fe3a6; }

.kpi-na { color: var(--text-faint); font-size: 15px; }

/* ---------------------------------------------------------------------- */
/* Live CCTV card                                                           */
/* ---------------------------------------------------------------------- */
.video-card .card-header { flex-wrap: wrap; }

.video-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(15, 23, 42, 0.35);
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.tool-btn .icon { color: var(--text-muted); transition: color var(--dur) var(--ease); }
.tool-btn:hover { background: var(--surface-2); border-color: rgba(148, 163, 184, 0.3); color: var(--text); }
.tool-btn:hover .icon { color: var(--text); }
.tool-btn.active { background: var(--primary-dim); border-color: rgba(59, 130, 246, 0.45); color: #bfdbfe; }
.tool-btn.active .icon { color: var(--primary); }
.tool-btn.danger:hover { background: var(--danger-dim); border-color: rgba(239, 68, 68, 0.4); color: #fecaca; }
.tool-btn span.label { display: inline; }

.video-shell {
  position: relative;
  margin: 16px 20px 8px;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  line-height: 0;
  border: 1px solid var(--border-soft);
  aspect-ratio: 16 / 9;
}

.video-shell img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000;
}

.video-shell canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: default;
}
.video-shell canvas.drawing { cursor: crosshair; }

.video-overlay-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px;
  background: linear-gradient(180deg, rgba(3, 8, 20, 0.82) 0%, rgba(3, 8, 20, 0.0) 100%);
  z-index: 3;
  pointer-events: none;
}

.ov-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.66);
  border: 1px solid rgba(148, 163, 184, 0.22);
  font-size: 11px;
  font-weight: 600;
  color: #e2e8f0;
  backdrop-filter: blur(6px);
}
.ov-chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); }
.ov-chip .dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.ov-chip .dot.offline { background: var(--danger); }
.ov-chip .dot.pending { background: var(--warning); }
.ov-chip .k { color: #9fb1cc; font-weight: 500; }

.video-watermark {
  position: absolute;
  right: 12px;
  bottom: 10px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.38);
  z-index: 3;
  pointer-events: none;
  text-transform: uppercase;
}

.roi-hint {
  margin: 0 20px 16px;
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.08);
  border: 1px dashed rgba(59, 130, 246, 0.3);
}
.roi-hint.hidden { display: none; }

/* ---------------------------------------------------------------------- */
/* Charts                                                                   */
/* ---------------------------------------------------------------------- */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.chart-card { grid-column: span 2; }
.chart-card.wide { grid-column: span 4; }
.chart-card .card-body { padding: 12px 16px 6px; }
.chart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 220px;
  color: var(--text-faint);
  font-size: 12.5px;
}

/* ---------------------------------------------------------------------- */
/* Tables                                                                   */
/* ---------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.8px;
}

.data-table thead th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: left;
  padding: 10px 14px;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-soft);
  z-index: 1;
}

.data-table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  white-space: nowrap;
}

.data-table tbody tr { transition: background var(--dur) var(--ease); }
.data-table tbody tr:hover { background: rgba(148, 163, 184, 0.06); }
.data-table tbody tr:last-child td { border-bottom: none; }

.data-table .muted { color: var(--text-faint); }
.data-table .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11.5px; color: var(--text-muted); }

.empty-row td {
  text-align: center;
  padding: 32px 12px;
  color: var(--text-faint);
}

.table-scroll { max-height: 420px; overflow-y: auto; }

/* ---------------------------------------------------------------------- */
/* Badges                                                                   */
/* ---------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.badge-success { background: var(--success-dim); color: #6ee7a0; }
.badge-danger { background: var(--danger-dim); color: #fca5a5; }
.badge-warning { background: var(--warning-dim); color: #fcd34d; }
.badge-neutral { background: rgba(148, 163, 184, 0.14); color: var(--text-dim); }
.badge-primary { background: var(--primary-dim); color: #93c5fd; }

.speed-over { color: var(--danger); font-weight: 700; }
.speed-normal { color: var(--success); font-weight: 600; }
.speed-idle { color: var(--text-faint); }

/* ---------------------------------------------------------------------- */
/* Info list (definition-style key/value blocks)                           */
/* ---------------------------------------------------------------------- */
.info-list { display: grid; grid-template-columns: 44% 56%; row-gap: 10px; margin: 0; }
.info-list dt { color: var(--text-muted); font-weight: 500; font-size: 12.5px; }
.info-list dd { margin: 0; font-weight: 600; font-size: 12.5px; word-break: break-word; }
.info-list dd.url-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.8px;
  font-weight: 500;
  color: #7db2ff;
  word-break: break-all;
}

.info-alert {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--warning-dim);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fde68a;
  font-size: 12px;
  display: none;
}
.info-alert.show { display: block; }

/* ---------------------------------------------------------------------- */
/* Camera search panel                                                     */
/* ---------------------------------------------------------------------- */
.search-box {
  position: relative;
  margin-bottom: 12px;
}
.search-box .icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
}
.search-input {
  width: 100%;
  padding: 9px 12px 9px 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  color: var(--text);
  font-size: 12.8px;
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-ring); }
.search-input::placeholder { color: var(--text-faint); }

.camera-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 2px;
}

.camera-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: rgba(148, 163, 184, 0.04);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.camera-item:hover { background: var(--surface-2); transform: translateX(2px); }
.camera-item.selected { background: var(--primary-dim); border-color: rgba(59, 130, 246, 0.4); }

.camera-item .status-dot { flex-shrink: 0; }

.camera-item-body { min-width: 0; flex: 1; }
.camera-item-name {
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.camera-item-meta {
  font-size: 10.8px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}
.camera-item-meta .sep { margin: 0 4px; color: var(--text-faint); }

.camera-list-footer {
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ---------------------------------------------------------------------- */
/* Mini live detection list                                                */
/* ---------------------------------------------------------------------- */
.mini-list { display: flex; flex-direction: column; gap: 8px; max-height: 300px; overflow-y: auto; }
.mini-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(148, 163, 184, 0.05);
  border: 1px solid var(--border-soft);
}
.mini-item-left { display: flex; align-items: center; gap: 8px; min-width: 0; }
.mini-item-id {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--surface-2);
  border-radius: 6px;
  padding: 2px 6px;
  flex-shrink: 0;
}
.mini-item-type { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-item-speed { font-size: 13px; font-weight: 800; font-variant-numeric: tabular-nums; flex-shrink: 0; }

/* ---------------------------------------------------------------------- */
/* Buttons                                                                  */
/* ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 12.8px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--dur) var(--ease);
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 16px -6px rgba(59, 130, 246, 0.55); }
.btn-primary:hover { background: #2f6fe0; }
.btn-ghost { background: var(--surface); border-color: var(--border-soft); color: var(--text-dim); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-danger-outline { background: transparent; border-color: rgba(239, 68, 68, 0.4); color: #fca5a5; }
.btn-danger-outline:hover { background: var(--danger-dim); }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 12px; font-size: 12px; }

/* ---------------------------------------------------------------------- */
/* Form controls (sliders, switch, select)                                 */
/* ---------------------------------------------------------------------- */
.field { margin-bottom: 20px; }
.field:last-child { margin-bottom: 0; }
.field-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.field-label { font-size: 12.5px; font-weight: 600; color: var(--text-dim); }
.field-value { font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: var(--surface-2); color: #cfe2ff; font-variant-numeric: tabular-nums; }

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #0b1222;
  box-shadow: 0 0 0 3px var(--primary-ring);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #0b1222;
  box-shadow: 0 0 0 3px var(--primary-ring);
  cursor: pointer;
}

.select-field {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  color: var(--text);
  font-size: 12.8px;
}

.switch { position: relative; display: inline-block; width: 40px; height: 22px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch-track {
  position: absolute; inset: 0; background: var(--surface-2);
  border-radius: 999px; transition: background var(--dur) var(--ease);
  border: 1px solid var(--border-soft);
}
.switch-track::before {
  content: ''; position: absolute; height: 16px; width: 16px; left: 2px; top: 2px;
  background: var(--text-dim); border-radius: 50%; transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.switch input:checked + .switch-track { background: var(--primary-dim); border-color: rgba(59, 130, 246, 0.5); }
.switch input:checked + .switch-track::before { transform: translateX(18px); background: var(--primary); }

.readonly-field {
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: rgba(148, 163, 184, 0.06);
  border: 1px dashed var(--border-soft);
  font-size: 12.5px;
  color: var(--text-dim);
  font-weight: 600;
}

/* ---------------------------------------------------------------------- */
/* Modal                                                                    */
/* ---------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 8, 20, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
  padding: 20px;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal-panel {
  width: 100%;
  max-width: 460px;
  max-height: 86vh;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
  transform: translateY(14px) scale(0.98);
  transition: transform var(--dur) var(--ease);
}
.modal-overlay.open .modal-panel { transform: translateY(0) scale(1); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-soft);
}
.modal-title { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 9px; }
.modal-title .icon { color: var(--primary); }
.modal-body { padding: 20px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-soft);
}
.modal-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------------------------------------------------------------------- */
/* Toasts                                                                   */
/* ---------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 320px;
  max-width: calc(100vw - 40px);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  border-radius: var(--radius-md);
  background: rgba(24, 33, 51, 0.94);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-pop);
  animation: toast-in var(--dur) var(--ease);
  border-left: 3px solid var(--primary);
}
.toast.leaving { animation: toast-out var(--dur) var(--ease) forwards; }
.toast.success { border-left-color: var(--success); }
.toast.danger { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

.toast-icon { flex-shrink: 0; margin-top: 1px; }
.toast.success .toast-icon { color: var(--success); }
.toast.danger .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--primary); }

.toast-body { min-width: 0; flex: 1; }
.toast-title { font-size: 12.8px; font-weight: 700; }
.toast-message { font-size: 11.8px; color: var(--text-muted); margin-top: 2px; }
.toast-close { color: var(--text-faint); cursor: pointer; flex-shrink: 0; }
.toast-close:hover { color: var(--text); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(24px) scale(0.96); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(24px); }
}

/* ---------------------------------------------------------------------- */
/* Skeleton loaders                                                         */
/* ---------------------------------------------------------------------- */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--surface-2);
  border-radius: 6px;
  color: transparent !important;
}
.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.16), transparent);
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { 100% { transform: translateX(100%); } }

.spinner {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid var(--surface-2);
  border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 12.5px;
}

/* ---------------------------------------------------------------------- */
/* Animations: fade / slide / zoom (used sparingly via utility classes)    */
/* ---------------------------------------------------------------------- */
.fade-in { animation: fade-in var(--dur) var(--ease); }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.slide-up { animation: slide-up var(--dur) var(--ease); }
@keyframes slide-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.zoom-in { animation: zoom-in var(--dur) var(--ease); }
@keyframes zoom-in { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }

.count-flash { animation: count-flash 0.5s var(--ease); }
@keyframes count-flash { 0% { color: var(--primary); } 100% { color: inherit; } }

/* ---------------------------------------------------------------------- */
/* History page filter bar                                                  */
/* ---------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.filter-bar .search-box { margin-bottom: 0; width: 220px; }
.filter-bar .select-field { width: 150px; }

.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--border-soft);
  font-size: 12px;
  color: var(--text-muted);
}
.pagination {
  display: flex;
  gap: 4px;
}
.page-btn {
  min-width: 30px;
  height: 30px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.page-btn:hover { background: var(--surface-2); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------------------------------------------------------------------- */
/* Responsive                                                              */
/* ---------------------------------------------------------------------- */
@media (max-width: 1400px) {
  .charts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-card { grid-column: span 1; }
  .chart-card.wide { grid-column: span 2; }
}

@media (max-width: 1279px) {
  .content-grid { grid-template-columns: 1fr; }
  .content-side { position: static; }
}

@media (max-width: 1023px) {
  :root { --sidebar-w: var(--sidebar-w-collapsed); }
  .brand-text, .nav-item .label, .nav-section-label, .sidebar-footer { display: none; }
  .brand { justify-content: center; padding: 20px 10px 16px; }
  .nav-item { justify-content: center; padding: 12px; }
  .sidebar-toggle { display: none; }
}

@media (max-width: 767px) {
  :root { --sidebar-w: 0px; }
  .sidebar {
    position: fixed;
    width: 264px;
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar.open ~ .sidebar-backdrop,
  .sidebar-backdrop.open { display: block; opacity: 1; }
  .sidebar .brand-text, .sidebar .nav-item .label, .sidebar .nav-section-label, .sidebar .sidebar-footer { display: block; }
  .sidebar .brand { justify-content: flex-start; padding: 20px 20px 16px; }
  .sidebar .nav-item { justify-content: flex-start; padding: 10px 12px; }

  .sidebar-toggle { display: inline-flex; }
  .page-content { padding: 16px 14px 32px; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card, .chart-card.wide { grid-column: span 1; }
  .video-toolbar .tool-btn span.label { display: none; }
  .filter-bar .search-box, .filter-bar .select-field { width: 100%; }
  .info-list { grid-template-columns: 1fr; row-gap: 4px; }
  .info-list dt { margin-top: 8px; }
}

@media (max-width: 420px) {
  .kpi-grid { grid-template-columns: 1fr; }
}