/* ==========================================================================
   PAM JAYA AI Monitor — design system: "Standard Operations"
   Tokens taken verbatim from stitch DESIGN.md
   ========================================================================== */
:root {
  /* colors */
  --surface: #f9f9ff;
  --surface-dim: #d9d9e1;
  --surface-bright: #f9f9ff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f3f3fa;
  --surface-container: #ededf5;
  --surface-container-high: #e7e8ef;
  --surface-container-highest: #e2e2e9;
  --on-surface: #191c21;
  --on-surface-variant: #424751;
  --inverse-surface: #2e3036;
  --inverse-on-surface: #f0f0f7;
  --outline: #737782;
  --outline-variant: #c2c6d3;
  --surface-tint: #265dac;
  --primary: #235ba9;
  --on-primary: #ffffff;
  --primary-container: #4274c4;
  --on-primary-container: #fefcff;
  --inverse-primary: #abc7ff;
  --secondary: #555f73;
  --on-secondary: #ffffff;
  --secondary-container: #d6e0f8;
  --on-secondary-container: #596377;
  --tertiary: #825100;
  --on-tertiary: #ffffff;
  --tertiary-container: #a36700;
  --error: #ba1a1a;
  --on-error: #ffffff;
  --error-container: #ffdad6;
  --on-error-container: #93000a;
  --primary-fixed: #d7e3ff;
  --primary-fixed-dim: #abc7ff;
  --on-primary-fixed: #001b3f;
  --on-primary-fixed-variant: #00458f;
  --secondary-fixed: #d9e3fb;
  --tertiary-fixed: #ffddb8;
  --tertiary-fixed-dim: #ffb95f;
  --on-tertiary-fixed: #2a1700;
  --on-tertiary-fixed-variant: #653e00;
  --background: #f9f9ff;
  --on-background: #191c21;
  --surface-variant: #e2e2e9;
  --success: #146c2e;
  --success-container: #d7f2dd;

  /* spacing — 4px base grid */
  --base: 4px;
  --xs: 8px;
  --sm: 12px;
  --md: 16px;
  --lg: 24px;
  --xl: 32px;
  --gutter: 16px;
  --margin-page: 24px;

  /* radius */
  --r-sm: 0.25rem;
  --r: 0.5rem;
  --r-md: 0.75rem;
  --r-lg: 1rem;
  --r-xl: 1.5rem;
  --r-full: 9999px;

  /* layout */
  --nav-h: 64px;
  --side-w: 256px;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--background);
  color: var(--on-background);
  font-family: var(--font);
  font-size: 14px;
  line-height: 20px;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums lining-nums;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--surface-dim); border-radius: var(--r-sm); }
::-webkit-scrollbar-thumb:hover { background: #bdc7de; }

.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  user-select: none;
}
.material-symbols-outlined.filled { font-variation-settings: "FILL" 1; }

/* ---------- typography scale ---------- */
.t-headline-lg { font-size: 28px; line-height: 36px; font-weight: 600; letter-spacing: -0.02em; }
.t-headline-md { font-size: 20px; line-height: 28px; font-weight: 600; letter-spacing: -0.01em; }
.t-headline-sm { font-size: 16px; line-height: 24px; font-weight: 600; }
.t-body-lg { font-size: 16px; line-height: 24px; font-weight: 400; }
.t-body-md { font-size: 14px; line-height: 20px; font-weight: 400; }
.t-label-md { font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: 0.02em; }
.t-mono { font-size: 13px; line-height: 18px; font-weight: 400; }

/* ==========================================================================
   Top nav
   ========================================================================== */
.topnav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--lg); gap: var(--lg);
}
.brand {
  font-size: 20px; line-height: 24px; font-weight: 700;
  color: var(--primary); letter-spacing: -0.01em; white-space: nowrap;
}
.topnav-left { display: flex; align-items: center; gap: var(--lg); min-width: 0; }
.topnav-links { display: flex; align-items: center; height: var(--nav-h); }
.topnav-links a {
  display: flex; align-items: center; height: 100%;
  padding: 0 var(--md); font-size: 16px; font-weight: 500;
  color: var(--on-surface-variant); transition: background .15s, color .15s;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.topnav-links a:hover { background: var(--surface-container); }
.topnav-links a.active { color: var(--primary); border-bottom-color: var(--primary); }

.searchbox {
  display: flex; align-items: center; gap: var(--xs);
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r); padding: var(--xs) var(--sm);
  width: 260px; transition: border-color .15s, box-shadow .15s;
}
.searchbox:focus-within { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-fixed); }
.searchbox .material-symbols-outlined { font-size: 20px; color: var(--on-surface-variant); }
.searchbox input { border: 0; background: transparent; outline: 0; width: 100%; }
.searchbox input::placeholder { color: var(--on-surface-variant); }

.topnav-right { display: flex; align-items: center; gap: var(--xs); }
.icon-btn {
  display: grid; place-items: center; width: 40px; height: 40px;
  border: 0; background: transparent; border-radius: var(--r-full);
  color: var(--on-surface-variant); cursor: pointer; transition: background .15s;
  position: relative;
}
.icon-btn:hover { background: var(--surface-container); }
.icon-btn .pip {
  position: absolute; top: 8px; right: 9px; width: 8px; height: 8px;
  border-radius: var(--r-full); background: var(--error); border: 2px solid var(--surface);
}
.avatar {
  width: 36px; height: 36px; border-radius: var(--r-full);
  border: 1px solid var(--outline-variant); object-fit: cover;
  margin-left: var(--xs); background: var(--surface-container);
}
.who { text-align: right; line-height: 1.2; margin-left: var(--xs); }
.who b { font-size: 14px; font-weight: 600; display: block; }
.who span { font-size: 12px; color: var(--on-surface-variant); }

/* ==========================================================================
   Side nav
   ========================================================================== */
.sidenav {
  position: fixed; top: var(--nav-h); left: 0; bottom: 0; width: var(--side-w); z-index: 40;
  background: var(--surface);
  border-right: 1px solid var(--outline-variant);
  display: flex; flex-direction: column; padding: var(--md);
  overflow-y: auto;
}
.sys-card {
  display: flex; align-items: center; gap: var(--sm);
  padding: var(--sm); margin-bottom: var(--lg);
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r);
}
.sys-card .badge-ic {
  width: 40px; height: 40px; border-radius: var(--r-full);
  background: var(--secondary-container); color: var(--primary);
  display: grid; place-items: center; flex: 0 0 auto;
}
.sys-card b { display: block; font-size: 16px; font-weight: 600; }
.sys-card span { font-size: 12px; color: var(--on-surface-variant); }

.sidenav nav { display: flex; flex-direction: column; gap: var(--base); }
.side-item {
  display: flex; align-items: center; gap: var(--md);
  padding: var(--sm) var(--md); border-radius: var(--r);
  color: var(--on-surface-variant); font-size: 14px; font-weight: 500;
  border: 0; background: transparent; cursor: pointer; width: 100%;
  text-align: left; transition: background .15s, color .15s;
  border-left: 4px solid transparent;
}
.side-item:hover { background: var(--surface-container-high); }
.side-item.active {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  border-left-color: var(--primary);
}
.side-item .material-symbols-outlined { font-size: 22px; }

.side-foot { margin-top: auto; padding-top: var(--md); display: flex; flex-direction: column; gap: var(--xs); }
.side-foot .divider { height: 1px; background: var(--outline-variant); margin: var(--xs) 0; }

/* ==========================================================================
   Shell + page
   ========================================================================== */
.shell { padding-top: var(--nav-h); padding-left: var(--side-w); min-height: 100vh; }
.page { padding: var(--lg); display: flex; flex-direction: column; gap: var(--lg); max-width: 1680px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--lg); flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 28px; line-height: 36px; font-weight: 600; letter-spacing: -0.02em; }
.page-head p { margin: var(--base) 0 0; color: var(--on-surface-variant); font-size: 14px; }
.page-actions { display: flex; align-items: center; gap: var(--sm); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--xs);
  padding: var(--xs) var(--md); min-height: 40px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r); color: var(--on-surface);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-container); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn .material-symbols-outlined { font-size: 20px; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { background: var(--on-primary-fixed-variant); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--on-surface-variant); }
.btn.ghost:hover { background: var(--surface-container); }
.btn.sm { min-height: 32px; padding: var(--base) var(--sm); font-size: 12px; }
.btn.danger { border-color: var(--error); color: var(--error); }
.btn.danger:hover { background: var(--error-container); }
.btn.block { width: 100%; }

/* ---------- inputs ---------- */
.field { display: flex; flex-direction: column; gap: var(--xs); min-width: 0; }
.field > label { font-size: 14px; color: var(--on-surface-variant); font-weight: 400; }
.input, .select {
  width: 100%; min-height: 40px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r); padding: var(--xs) var(--sm);
  outline: 0; transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-fixed); }
.input::placeholder { color: var(--on-surface-variant); }
.input-icon { position: relative; }
.input-icon .material-symbols-outlined {
  position: absolute; left: var(--sm); top: 50%; transform: translateY(-50%);
  font-size: 20px; color: var(--on-surface-variant); pointer-events: none;
}
.input-icon .input { padding-left: 40px; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23424751'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; background-size: 20px;
  padding-right: 34px; cursor: pointer;
}

.checkbox { display: flex; align-items: center; gap: var(--sm); cursor: pointer; user-select: none; }
.checkbox input { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; margin: 0; }

.switch { position: relative; width: 44px; height: 24px; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch .track {
  position: absolute; inset: 0; background: var(--surface-dim);
  border-radius: var(--r-full); transition: background .18s; cursor: pointer;
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: var(--r-full);
  background: #fff; transition: transform .18s; box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.switch input:checked + .track { background: var(--primary); }
.switch input:checked + .track::after { transform: translateX(20px); }

/* ---------- cards ---------- */
.card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r); overflow: hidden;
}
.card-head {
  padding: var(--md); border-bottom: 1px solid var(--outline-variant);
  display: flex; align-items: center; justify-content: space-between; gap: var(--sm);
}
.card-head h3 { margin: 0; font-size: 16px; line-height: 24px; font-weight: 600; }
.card-body { padding: var(--md); }

/* ---------- KPI stat cards ---------- */
.kpi-row { display: grid; gap: var(--gutter); grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.kpi {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r); padding: var(--md) var(--lg);
  display: flex; flex-direction: column; gap: var(--xs);
}
.kpi-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--xs); }
.kpi-label {
  font-size: 12px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--on-surface-variant);
}
.kpi-value { font-size: 34px; line-height: 40px; font-weight: 600; letter-spacing: -0.02em; }
.kpi-delta { font-size: 12px; display: flex; align-items: center; gap: var(--base); color: var(--on-surface-variant); }
.kpi-delta .material-symbols-outlined { font-size: 16px; }
.kpi-delta.up { color: var(--success); }
.kpi-delta.down { color: var(--error); }
.kpi .material-symbols-outlined.kpi-ic { color: var(--on-surface-variant); font-size: 22px; }

.kpi.critical { background: var(--error-container); border-color: #f4b9b4; }
.kpi.critical .kpi-label, .kpi.critical .kpi-value, .kpi.critical .kpi-delta, .kpi.critical .kpi-ic { color: var(--on-error-container); }
.kpi.warn { background: var(--tertiary-fixed); border-color: #eec48c; }
.kpi.warn .kpi-label, .kpi.warn .kpi-value, .kpi.warn .kpi-delta, .kpi.warn .kpi-ic { color: var(--on-tertiary-fixed-variant); }
.kpi.info .kpi-value { color: var(--primary); }

.kpi-sub { display: flex; gap: var(--lg); margin-top: var(--base); }
.kpi-sub div { font-size: 12px; color: var(--on-error-container); }
.kpi-sub b { display: block; font-size: 14px; font-weight: 600; }

/* ---------- system status bar ---------- */
.statusbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r); padding: var(--sm) var(--md);
}
.statusbar .left { display: flex; align-items: center; gap: var(--sm); font-weight: 600; letter-spacing: 0.04em; }
.statusbar .right { display: flex; align-items: center; gap: var(--xs); color: var(--on-surface-variant); font-size: 14px; }
.led { width: 10px; height: 10px; border-radius: var(--r-full); background: var(--success); flex: 0 0 auto; }
.led.pulse { animation: led 2s ease-in-out infinite; }
@keyframes led { 0%,100% { box-shadow: 0 0 0 0 rgba(20,108,46,.45); } 50% { box-shadow: 0 0 0 6px rgba(20,108,46,0); } }
.led.err { background: var(--error); }
.led.warn { background: var(--tertiary); }

/* ==========================================================================
   Live view
   ========================================================================== */
.live-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--gutter); align-items: start; }
@media (max-width: 1200px) { .live-grid { grid-template-columns: 1fr; } }

.feed { border: 1px solid var(--outline-variant); border-radius: var(--r); overflow: hidden; background: var(--surface-container-lowest); }
.feed-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sm) var(--md); border-bottom: 1px solid var(--outline-variant);
}
.feed-title { display: flex; align-items: center; gap: var(--xs); font-size: 16px; font-weight: 600; }
.live-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--error); color: var(--on-error);
  border-radius: var(--r-full); padding: 4px 10px;
  font-size: 12px; font-weight: 600; letter-spacing: .04em;
}
.live-pill .dot { width: 7px; height: 7px; border-radius: var(--r-full); background: #fff; animation: led 1.6s infinite; }

.stage { position: relative; aspect-ratio: 16 / 9; background: #0c0d0f; overflow: hidden; }
.stage .feed-img { width: 100%; height: 100%; object-fit: contain; display: block; background: #000; }
.stage video.feed-img { display: block; }
.stage .osd {
  position: absolute; top: var(--sm); left: var(--sm);
  background: rgba(0,0,0,.55); color: #fff;
  font-size: 12px; letter-spacing: .08em; padding: 3px 8px; border-radius: var(--r-sm);
}
.bbox { position: absolute; border: 2px solid; border-radius: 2px; pointer-events: none; }
.bbox > span {
  position: absolute; top: -22px; left: -2px;
  font-size: 11px; font-weight: 600; color: #fff;
  padding: 2px 6px; border-radius: 2px; white-space: nowrap;
}
.bbox.person { border-color: #2f6fd0; } .bbox.person > span { background: #2f6fd0; }
.bbox.violation { border-color: #d32f2f; } .bbox.violation > span { background: #d32f2f; }
.bbox.material { border-color: #a36700; } .bbox.material > span { background: #a36700; }

.count-line { position: absolute; height: 3px; border-radius: 2px; transform-origin: left center; pointer-events: none; }
.count-line > span {
  position: absolute; left: 50%; top: -11px; transform: translateX(-50%);
  font-size: 11px; font-weight: 600; color: #fff; padding: 2px 8px; border-radius: var(--r-full); white-space: nowrap;
}
.count-line.in { background: #2fa96b; } .count-line.in > span { background: #2fa96b; }
.count-line.out { background: #e2703a; } .count-line.out > span { background: #e2703a; }

.control-panel { border: 1px solid var(--outline-variant); border-radius: var(--r); background: var(--surface-container-lowest); }
.seg {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--base);
  padding: var(--base); margin: var(--md); background: var(--surface-container-low);
  border: 1px solid var(--outline-variant); border-radius: var(--r);
}
.seg button {
  border: 0; background: transparent; padding: var(--xs); border-radius: var(--r-sm);
  font-size: 13px; font-weight: 600; letter-spacing: .04em; color: var(--on-surface-variant); cursor: pointer;
  transition: background .15s, color .15s;
}
.seg button.on { background: var(--surface-container-lowest); color: var(--primary); box-shadow: 0 1px 2px rgba(0,0,0,.08); }

.panel-section { padding: 0 var(--md) var(--md); }
.panel-section + .panel-section { border-top: 1px solid var(--outline-variant); padding-top: var(--md); }
.panel-title {
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--on-surface-variant); padding-bottom: var(--xs); margin-bottom: var(--sm);
  border-bottom: 1px solid var(--outline-variant);
}
.panel-rows { display: flex; flex-direction: column; gap: var(--sm); }
.panel-row { display: flex; align-items: center; justify-content: space-between; gap: var(--sm); font-size: 14px; }
.panel-row .val { color: var(--on-surface-variant); }
.panel-row .val.ok { color: var(--success); font-weight: 500; }

/* ---------- recent detections ---------- */
.section-title { display: flex; align-items: center; gap: var(--xs); font-size: 18px; font-weight: 600; }
.det-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--gutter); }
.det {
  border: 1px solid var(--outline-variant); border-radius: var(--r);
  background: var(--surface-container-lowest); overflow: hidden; cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.det:hover { border-color: var(--primary); box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.det-img { position: relative; aspect-ratio: 16/10; background: #111; }
.det-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.det-tag {
  position: absolute; top: var(--xs); right: var(--xs);
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  padding: 3px 8px; border-radius: var(--r-sm); color: #fff; background: var(--error);
}
.det-tag.warning { background: var(--tertiary-container); }
.det-meta { display: flex; align-items: center; justify-content: space-between; padding: var(--sm) var(--md); font-size: 14px; }
.det-meta span { color: var(--on-surface-variant); font-size: 13px; }

/* ==========================================================================
   Analytics
   ========================================================================== */
.chart-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: var(--gutter); align-items: start; }
.chart-grid.even { grid-template-columns: 1fr 1fr; }
@media (max-width: 1200px) { .chart-grid, .chart-grid.even { grid-template-columns: 1fr; } }
.chart-wrap { padding: var(--md); }
.legend { display: flex; gap: var(--md); justify-content: center; flex-wrap: wrap; padding: 0 var(--md) var(--md); }
.legend span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--on-surface-variant); }
.legend i { width: 10px; height: 10px; border-radius: var(--r-full); display: inline-block; }

.heatmap-frame {
  border: 1px solid var(--outline-variant); border-radius: var(--r-sm);
  overflow: hidden; background: var(--surface-container-low); position: relative;
}
.heatmap-frame .hm-label {
  position: absolute; top: 6px; left: 8px; font-size: 10px; font-weight: 600;
  letter-spacing: .06em; color: var(--on-surface-variant); z-index: 2;
}
.heatmap-frame .hm-legend {
  position: absolute; top: 6px; right: 8px; display: flex; gap: 8px; z-index: 2;
}
.heatmap-frame .hm-legend span { display: inline-flex; align-items: center; gap: 3px; font-size: 9px; color: var(--on-surface-variant); }
.heatmap-frame .hm-legend i { width: 8px; height: 8px; border-radius: 2px; }

/* ==========================================================================
   Tables
   ========================================================================== */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; }
table.data thead th {
  text-align: left; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--on-surface-variant); background: var(--surface-container-low);
  padding: var(--sm) var(--md); border-bottom: 1px solid var(--outline-variant); white-space: nowrap;
}
table.data tbody td { padding: var(--sm) var(--md); border-bottom: 1px solid var(--outline-variant); vertical-align: middle; }
table.data tbody tr:hover { background: var(--surface-container-low); }
table.data tbody tr:last-child td { border-bottom: 0; }
.td-mono { font-size: 13px; color: var(--on-surface-variant); white-space: nowrap; }
.td-ellipsis { max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--r-full);
  font-size: 12px; font-weight: 500; white-space: nowrap;
}
.chip i { width: 7px; height: 7px; border-radius: var(--r-full); background: currentColor; }
.chip.critical { background: var(--error-container); color: var(--on-error-container); }
.chip.warning { background: var(--tertiary-fixed); color: var(--on-tertiary-fixed-variant); }
.chip.info { background: var(--secondary-container); color: var(--on-secondary-container); }
.chip.resolved { background: var(--surface-container-high); color: var(--on-surface-variant); }
.chip.role { background: var(--secondary-container); color: var(--on-secondary-container); }
.chip.role.viewer, .chip.role.operator { background: var(--surface-container-high); color: var(--on-surface-variant); }
.chip.plain { background: var(--surface-container-high); color: var(--on-surface-variant); }

.status-dot { display: inline-flex; align-items: center; gap: var(--xs); font-size: 14px; }
.status-dot i { width: 8px; height: 8px; border-radius: var(--r-full); }
.status-dot.active i { background: var(--success); }
.status-dot.active { color: var(--success); }
.status-dot.inactive i { background: var(--outline); }
.status-dot.inactive { color: var(--on-surface-variant); }

.pager {
  display: flex; align-items: center; justify-content: space-between; gap: var(--md);
  padding: var(--sm) var(--md); border-top: 1px solid var(--outline-variant); flex-wrap: wrap;
}
.pager .pages { display: flex; align-items: center; gap: var(--base); }
.page-btn {
  min-width: 36px; height: 36px; padding: 0 var(--xs);
  border: 1px solid var(--outline-variant); background: var(--surface-container-lowest);
  border-radius: var(--r); cursor: pointer; font-size: 14px;
  transition: background .15s, color .15s;
}
.page-btn:hover:not(:disabled) { background: var(--surface-container); }
.page-btn.on { background: var(--primary); border-color: var(--primary); color: var(--on-primary); font-weight: 600; }
.page-btn:disabled { color: var(--outline); cursor: not-allowed; }
.pager .info { font-size: 14px; color: var(--on-surface-variant); }

/* ---------- filter bar ---------- */
.filterbar {
  display: grid; gap: var(--sm); align-items: end;
  grid-template-columns: minmax(180px, 1.4fr) repeat(3, minmax(140px, 1fr)) auto auto;
  padding: var(--md); background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant); border-radius: var(--r);
}
@media (max-width: 1100px) { .filterbar { grid-template-columns: 1fr 1fr; } }

/* ==========================================================================
   Alarms
   ========================================================================== */
.alarm-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--gutter); align-items: start; }
@media (max-width: 1200px) { .alarm-grid { grid-template-columns: 1fr; } }

.alarm {
  display: grid; grid-template-columns: 132px 1fr; gap: var(--md);
  border: 1px solid var(--outline-variant); border-left-width: 4px;
  border-radius: var(--r); background: var(--surface-container-lowest);
  padding: var(--md); align-items: start;
}
.alarm + .alarm { margin-top: var(--sm); }
.alarm.critical { border-left-color: var(--error); }
.alarm.warning { border-left-color: var(--tertiary-container); }
.alarm.resolved { border-left-color: var(--outline-variant); }
.alarm-thumb { position: relative; border-radius: var(--r-sm); overflow: hidden; aspect-ratio: 4/3; background: #111; }
.alarm-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.alarm-thumb .tag {
  position: absolute; top: 6px; left: 6px; font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: var(--r-sm); color: #fff; background: var(--error);
}
.alarm.warning .alarm-thumb .tag { background: var(--tertiary-container); }
.alarm.resolved .alarm-thumb .tag { background: rgba(0,0,0,.55); }
.alarm-main h4 { margin: 0; font-size: 16px; font-weight: 600; }
.alarm-loc { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--on-surface-variant); margin-top: 4px; }
.alarm-loc .material-symbols-outlined { font-size: 16px; }
.alarm-desc { font-size: 14px; color: var(--on-surface-variant); margin: var(--xs) 0 var(--sm); line-height: 20px; }
.alarm-row { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--md); }
.alarm-time { font-size: 13px; color: var(--on-surface-variant); white-space: nowrap; }
.alarm-actions { display: flex; align-items: center; gap: var(--xs); flex-wrap: wrap; }

/* ==========================================================================
   NVR playback
   ========================================================================== */
.nvr-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: var(--gutter); align-items: start; }
@media (max-width: 1200px) { .nvr-grid { grid-template-columns: 1fr; } }
.nvr-stage { position: relative; aspect-ratio: 16/10; background: #000; border-radius: var(--r) var(--r) 0 0; overflow: hidden; }
.nvr-stage img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.nvr-bar {
  position: absolute; left: 0; right: 0; top: 0; padding: var(--sm) var(--md);
  display: flex; align-items: center; justify-content: space-between;
  color: #fff; font-size: 15px; font-weight: 600;
  background: linear-gradient(180deg, rgba(0,0,0,.72), transparent);
}
.nvr-bar .stamp { background: rgba(0,0,0,.62); padding: 4px 10px; border-radius: var(--r-sm); font-size: 14px; }
.nvr-play {
  position: absolute; inset: 0; margin: auto; width: 90px; height: 90px;
  border-radius: var(--r-full); border: 3px solid rgba(255,255,255,.9);
  background: rgba(0,0,0,.28); color: #fff; display: grid; place-items: center;
  cursor: pointer; transition: transform .15s, background .15s;
}
.nvr-play:hover { transform: scale(1.05); background: rgba(0,0,0,.42); }
.nvr-play .material-symbols-outlined { font-size: 48px; }
.nvr-osd {
  position: absolute; right: var(--md); bottom: var(--sm);
  color: #e6e9ef; font-size: 12px; letter-spacing: .08em;
  background: rgba(0,0,0,.55); padding: 4px 10px; border-radius: var(--r-sm);
}

.transport {
  display: flex; align-items: center; gap: var(--md);
  padding: var(--sm) var(--md); border-bottom: 1px solid var(--outline-variant);
}
.transport .spacer { flex: 1; }
.round-btn {
  width: 44px; height: 44px; border-radius: var(--r-full);
  background: var(--primary); color: var(--on-primary); border: 0;
  display: grid; place-items: center; cursor: pointer; transition: background .15s;
}
.round-btn:hover { background: var(--on-primary-fixed-variant); }
.speed {
  border: 1px solid var(--outline-variant); border-radius: var(--r);
  padding: var(--base) var(--sm); background: var(--surface-container-lowest);
  cursor: pointer; font-size: 14px; font-weight: 500;
}
.timecode { font-size: 18px; font-weight: 600; color: var(--primary); letter-spacing: .02em; }

.timeline { padding: var(--sm) var(--md) var(--md); }
.timeline-ticks { display: grid; grid-template-columns: repeat(13, 1fr); font-size: 11px; color: var(--on-surface-variant); margin-bottom: 4px; }
.timeline-ticks span:last-child { text-align: right; }
.timeline-track {
  position: relative; height: 46px; border: 1px solid var(--outline-variant);
  border-radius: var(--r-sm); overflow: hidden; display: grid;
  grid-template-columns: repeat(24, 1fr); background: var(--surface-container-low); cursor: pointer;
}
.timeline-block { border-right: 1px solid var(--surface-container-lowest); }
.timeline-block.has { background: var(--secondary-fixed); }
.timeline-marker { position: absolute; top: 0; bottom: 0; width: 3px; }
.timeline-marker.critical { background: var(--error); }
.timeline-marker.warning { background: var(--tertiary-container); }
.timeline-playhead { position: absolute; top: -3px; bottom: -3px; width: 3px; background: var(--primary); box-shadow: 0 0 0 1px rgba(255,255,255,.7); }
.timeline-ruler { display: grid; grid-template-columns: repeat(48, 1fr); margin-top: 4px; }
.timeline-ruler i { height: 8px; border-left: 1px solid var(--outline-variant); }

.cam-list { display: flex; flex-direction: column; gap: var(--xs); }
.cam-item {
  display: flex; align-items: center; gap: var(--sm);
  padding: var(--sm) var(--md); border: 1px solid var(--outline-variant);
  border-radius: var(--r); cursor: pointer; background: var(--surface-container-lowest);
  transition: background .15s, border-color .15s;
}
.cam-item:hover { background: var(--surface-container-low); }
.cam-item.on { background: var(--secondary-container); border-color: var(--primary); }
.cam-item input { accent-color: var(--primary); width: 18px; height: 18px; margin: 0; }
.cam-item .name { flex: 1; font-size: 14px; }
.cam-item .st { width: 8px; height: 8px; border-radius: var(--r-full); background: var(--outline); }
.cam-item .st.online { background: var(--outline); }
.cam-item .st.rec { background: var(--error); }

.filter-chips { display: flex; flex-wrap: wrap; gap: var(--xs); }
.fchip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--r-full);
  border: 1px solid var(--outline-variant); background: var(--surface-container-low);
  font-size: 13px; cursor: pointer; transition: background .15s, border-color .15s, opacity .15s;
  opacity: .55;
}
.fchip.on { opacity: 1; background: var(--surface-container-high); border-color: var(--outline); }
.fchip i { width: 8px; height: 8px; border-radius: var(--r-full); }
.fchip.critical i { background: var(--error); }
.fchip.warning i { background: var(--tertiary-container); }
.fchip.info i { background: var(--secondary); }

/* ==========================================================================
   Users
   ========================================================================== */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--outline-variant); padding: 0 var(--md); }
.tab {
  padding: var(--md) var(--md) var(--sm); border: 0; background: transparent;
  font-size: 16px; font-weight: 600; color: var(--on-surface-variant); cursor: pointer;
  border-bottom: 3px solid transparent; margin-bottom: -1px; transition: color .15s, border-color .15s;
}
.tab:hover { color: var(--on-surface); }
.tab.on { color: var(--primary); border-bottom-color: var(--primary); }

.user-cell { display: flex; align-items: center; gap: var(--sm); }
.user-cell .av {
  width: 40px; height: 40px; border-radius: var(--r-full); object-fit: cover; flex: 0 0 auto;
  background: var(--surface-container-high); display: grid; place-items: center;
  font-size: 13px; font-weight: 600; color: var(--on-surface-variant);
}
.user-cell b { display: block; font-size: 15px; font-weight: 600; }
.user-cell span { font-size: 13px; color: var(--on-surface-variant); }
.row-actions { display: flex; gap: var(--base); justify-content: flex-end; }
.row-actions .icon-btn { width: 34px; height: 34px; }
.row-actions .icon-btn .material-symbols-outlined { font-size: 20px; }

.role-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--gutter); padding: var(--md); }
.role-card { border: 1px solid var(--outline-variant); border-radius: var(--r); padding: var(--md); background: var(--surface-container-lowest); }
.role-card h4 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.role-card .members { font-size: 13px; color: var(--on-surface-variant); }
.role-card ul { margin: var(--sm) 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.role-card li { display: flex; align-items: center; gap: var(--xs); font-size: 14px; color: var(--on-surface-variant); }
.role-card li .material-symbols-outlined { font-size: 18px; color: var(--success); }

/* ==========================================================================
   Modal + toasts
   ========================================================================== */
.modal-bg {
  position: fixed; inset: 0; z-index: 90; background: rgba(25,28,33,.5);
  display: grid; place-items: center; padding: var(--lg);
}
.modal {
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--r); width: min(560px, 100%); max-height: 88vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,.08), 0 24px 60px rgba(0,0,0,.16);
}
.modal.wide { width: min(980px, 100%); }
.modal-head { padding: var(--md); border-bottom: 1px solid var(--outline-variant); display: flex; align-items: center; justify-content: space-between; }
.modal-head h3 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.modal-body { padding: var(--md); overflow: auto; display: flex; flex-direction: column; gap: var(--sm); }
.modal-body.flush { padding: 0; }
.modal-body.flush img { width: 100%; display: block; }
.modal-foot { padding: var(--md); border-top: 1px solid var(--outline-variant); display: flex; justify-content: flex-end; gap: var(--xs); }

.toasts { position: fixed; right: var(--lg); bottom: var(--lg); z-index: 100; display: flex; flex-direction: column; gap: var(--xs); }
.toast {
  background: var(--inverse-surface); color: var(--inverse-on-surface);
  border-radius: var(--r); padding: var(--sm) var(--md); font-size: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,.18); max-width: 380px;
  display: flex; align-items: center; gap: var(--xs);
  animation: toast-in .2s ease;
}
.toast .material-symbols-outlined { font-size: 20px; }
.toast.ok .material-symbols-outlined { color: #7fd99a; }
.toast.err .material-symbols-outlined { color: #ffb4ab; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

.empty { padding: var(--xl) var(--md); text-align: center; color: var(--on-surface-variant); }
.empty .material-symbols-outlined { font-size: 40px; display: block; margin-bottom: var(--xs); opacity: .5; }

.skeleton {
  background: linear-gradient(90deg, var(--surface-container) 25%, var(--surface-container-high) 37%, var(--surface-container) 63%);
  background-size: 400% 100%; animation: sk 1.3s ease infinite; border-radius: var(--r-sm);
}
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  :root { --side-w: 0px; }
  .sidenav { transform: translateX(-100%); transition: transform .2s; box-shadow: 0 8px 32px rgba(0,0,0,.2); width: 256px; }
  body.nav-open .sidenav { transform: translateX(0); }
  .topnav-links { display: none; }
  .searchbox { width: 180px; }
  .menu-toggle { display: grid !important; }
}
.menu-toggle { display: none; }
@media (max-width: 720px) {
  .searchbox, .who { display: none; }
  .page { padding: var(--md); }
  .alarm { grid-template-columns: 1fr; }
}

.hidden { display: none !important; }
.spinner-inline { width: 16px; height: 16px; border: 2px solid var(--outline-variant); border-top-color: var(--primary); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }