/* ==========================================================================
   Vortex Live — Design Tokens
   Direction: broadcast control-room. A live studio's tally/status bar is
   the signature element (on-air dot + monospace room code + elapsed timer).
   ========================================================================== */
:root {
  --bg-deep: #0a0d13;
  --bg-panel: #12161f;
  --bg-panel-2: #171c28;
  --bg-elevated: #1c2230;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text-primary: #e9ebf1;
  --text-muted: #8b93a7;
  --text-faint: #5b6274;

  --tally: #f2542d;       /* on-air / recording / danger */
  --tally-dim: rgba(242, 84, 45, 0.16);
  --signal: #33c2a6;      /* connected / success */
  --signal-dim: rgba(51, 194, 166, 0.14);
  --host: #e8b830;        /* admin / host accent */
  --host-dim: rgba(232, 184, 48, 0.14);
  --link: #5b8cff;
  --link-dim: rgba(91, 140, 255, 0.14);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --font-ui: 'Vazirmatn', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-ui);
  -webkit-tap-highlight-color: transparent;
}

body {
  overflow: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}
input {
  font-family: inherit;
}

.mono { font-family: var(--font-mono); letter-spacing: 0.02em; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.24); }

/* ---------- Glass / panel primitives ---------- */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.panel-2 {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
}

/* ---------- Tally bar (signature element) ---------- */
.tally-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-dim);
  flex-shrink: 0;
}
.tally-dot.live {
  background: var(--tally);
  box-shadow: 0 0 0 3px var(--tally-dim);
  animation: pulse-tally 1.6s ease-in-out infinite;
}
@keyframes pulse-tally {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
@media (prefers-reduced-motion: reduce) {
  .tally-dot.live { animation: none; }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-primary);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  min-height: 44px;
}
.btn:hover { background: #232a3b; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--link); border-color: var(--link); color: #fff; }
.btn-primary:hover { background: #4a7ae8; }
.btn-danger { background: var(--tally); border-color: var(--tally); color: #fff; }
.btn-danger:hover { background: #d9421f; }
.btn-danger-ghost { background: var(--tally-dim); border-color: rgba(242,84,45,0.35); color: #ff8a68; }
.btn-host-ghost { background: var(--host-dim); border-color: rgba(232,184,48,0.35); color: var(--host); }
.btn-active { background: var(--tally-dim); border-color: rgba(242,84,45,0.4); color: #ff8a68; }
.btn-sm { padding: 7px 12px; font-size: 11.5px; min-height: 34px; }
.btn-icon { width: 44px; height: 44px; padding: 0; border-radius: 999px; }

.input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text-primary);
  min-height: 46px;
}
.input::placeholder { color: var(--text-faint); }
.input:focus { border-color: var(--link); }

.label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.fade-in { animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- Video grid — truly responsive: adapts to viewport AND count ---------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  align-content: center;
}
.video-tile {
  position: relative;
  background: #05070b;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
}
.video-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-tile .tile-label {
  position: absolute;
  bottom: 8px;
  right: 8px;
  left: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 11px;
  background: rgba(5, 7, 11, 0.72);
  backdrop-filter: blur(6px);
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.06);
}
.video-tile .mic-off-badge {
  color: var(--tally);
}
.video-tile .watermark {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: rgba(255,255,255,0.10);
  font-family: var(--font-mono);
  text-align: center;
  padding: 8px;
  transform: rotate(-18deg);
  user-select: none;
  line-height: 1.6;
}

/* ---------- Responsive layout shell ---------- */
.app-shell {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  flex-shrink: 0;
  z-index: 30;
}

.main-area {
  flex: 1;
  display: flex;
  min-height: 0;
  position: relative;
}

.stage {
  flex: 1;
  min-width: 0;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

.sidebar {
  width: 320px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.controls-bar {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  padding-bottom: max(10px, env(safe-area-inset-bottom));
}

/* Sidebar becomes an off-canvas / bottom sheet on small screens */
@media (max-width: 860px) {
  .sidebar {
    position: fixed;
    inset: 0;
    top: auto;
    height: 72vh;
    width: 100%;
    border-radius: 20px 20px 0 0;
    border-right: none;
    border-top: 1px solid var(--border);
    transform: translateY(100%);
    transition: transform 0.28s ease;
    z-index: 40;
    box-shadow: 0 -12px 40px rgba(0,0,0,0.5);
  }
  .sidebar.open { transform: translateY(0); }
  .sidebar-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 35;
  }
  .sidebar-scrim.show { display: block; }
}

@media (min-width: 861px) {
  .sidebar-scrim { display: none !important; }
}

@media (max-width: 520px) {
  .header-bar { padding: 8px 10px; }
  .stage { padding: 8px; }
  .video-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
  .btn { padding: 9px 12px; font-size: 12px; }
  .controls-bar { gap: 6px; }
}

/* ---------- Centered card screens (join / invalid / admin login) ---------- */
.center-screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(91,140,255,0.10), transparent),
    radial-gradient(900px 500px at 100% 110%, rgba(242,84,45,0.08), transparent),
    var(--bg-deep);
}
.card {
  width: 100%;
  max-width: 460px;
}

.brand-title {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.brand-sub {
  color: var(--text-muted);
  font-size: 13px;
}

.divider { height: 1px; background: var(--border); border: none; }

/* ---------- Utilities ---------- */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.text-muted { color: var(--text-muted); }
.text-faint { color: var(--text-faint); }
.text-center { text-align: center; }
.w-full { width: 100%; }
.rec-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px; font-size: 11px; font-weight: 700;
  background: var(--tally-dim); color: var(--tally); border: 1px solid rgba(242,84,45,0.35);
}
.spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid var(--border-strong); border-top-color: var(--link);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 1.6s; } }

/* Table used in admin dashboard */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  text-align: right;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }

@media (max-width: 700px) {
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr { border-bottom: 1px solid var(--border); padding: 10px 0; }
  .data-table td { border: none; padding: 4px 0; }
  .data-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 10px;
    color: var(--text-faint);
    margin-bottom: 2px;
  }
}