:root {
  --bg: #0b1020;
  --panel: #141b34;
  --panel-2: #1a2344;
  --border: rgba(255, 255, 255, 0.12);
  --text: #eef2ff;
  --muted: #b4bddb;
  --accent: #7dd3fc;
  --accent-2: #c4b5fd;
  --danger: #fb7185;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(125, 211, 252, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(196, 181, 253, 0.16), transparent 25%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.room-body {
  overflow: hidden;
}

.page-room-index {
  width: min(1100px, calc(100% - 32px));
}
.room-list-section {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}
.room-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.room-list-head h2 {
  font-size: clamp(22px, 3vw, 32px);
}
.room-list-help {
  margin: 0;
}
.room-list {
  display: grid;
  gap: 12px;
}
.room-list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.04);
}
.room-list-item.is-expired {
  border-color: rgba(251, 113, 133, 0.35);
  background: rgba(251, 113, 133, 0.08);
}
.room-list-item.is-active {
  border-color: rgba(125, 211, 252, 0.2);
}
.room-list-item-main {
  display: grid;
  gap: 8px;
  min-width: 0;
}
.room-list-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.room-list-title-row h3 {
  margin: 0;
  font-size: 20px;
}
.room-list-url {
  margin: 0;
  overflow-wrap: anywhere;
}
.room-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: var(--muted);
  font-size: 13px;
}
.room-list-item-side {
  min-width: 140px;
  display: grid;
  justify-items: end;
  gap: 8px;
}
.room-remaining-label {
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.room-remaining-value {
  font-size: 20px;
  font-weight: 800;
}
.room-list-empty {
  border: 1px dashed var(--border);
  border-radius: 18px;
  padding: 20px;
  color: var(--muted);
  text-align: center;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.page {
  width: min(1220px, calc(100% - 32px));
  margin: 24px auto;
}
.page-narrow {
  width: min(760px, calc(100% - 32px));
  padding-top: 48px;
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.hero { padding: 32px; }
.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lead, .muted, .note p, .status-text {
  color: var(--muted);
  line-height: 1.7;
}
.note {
  margin-top: 18px;
  background: rgba(255,255,255,0.03);
  border-radius: 18px;
  padding: 18px 20px;
  border: 1px solid var(--border);
}
.stack-lg > * + * { margin-top: 16px; }
.field {
  display: grid;
  gap: 8px;
}
.field span {
  font-size: 14px;
  color: var(--muted);
}
input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 16px;
}
input[type="text"]::placeholder { color: #94a3b8; }
select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 16px;
}
select option {
  color: #0f172a;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 16px;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.btn-primary {
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.95), rgba(196, 181, 253, 0.95));
  color: #0b1020;
}
.btn-secondary {
  background: rgba(255,255,255,0.08);
  border-color: var(--border);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
}
.btn-danger {
  background: rgba(251, 113, 133, 0.14);
  border-color: rgba(251, 113, 133, 0.35);
}
.btn-chat {
  background: rgba(251, 146, 60, 0.18);
  border-color: rgba(251, 146, 60, 0.42);
  color: #ffedd5;
}
.btn-chat:hover,
.btn-chat:focus-visible,
.btn-chat.is-active {
  background: rgba(251, 146, 60, 0.28);
  border-color: rgba(253, 186, 116, 0.62);
}
.btn-mini {
  min-height: 32px;
  padding: 7px 10px;
  font-size: 12px;
  border-radius: 10px;
}
.actions-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.result-box, .error-box {
  border-radius: 18px;
  padding: 18px;
}
.result-box {
  background: rgba(125, 211, 252, 0.08);
  border: 1px solid rgba(125, 211, 252, 0.22);
}
.error-box {
  background: rgba(251, 113, 133, 0.12);
  border: 1px solid rgba(251, 113, 133, 0.25);
}
.hidden { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

h1, h2 { margin: 0; }
.hero h1, .modal h2 { font-size: clamp(28px, 4vw, 40px); }

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255,255,255,0.08);
  color: var(--muted);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.7);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 200;
}
.modal {
  width: min(520px, 100%);
}

.modal-notice-text {
  margin: 0;
  line-height: 1.8;
  white-space: pre-line;
}

#joinModal {
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  place-items: start center;
  padding-top: max(24px, calc(env(safe-area-inset-top, 0px) + 16px));
  padding-bottom: max(24px, calc(env(safe-area-inset-bottom, 0px) + 16px));
}
#joinModal .modal {
  margin: auto 0;
}

.room-page {
  width: calc(100vw - 16px);
  max-width: calc(100vw - 16px);
  height: 100svh;
  margin: 0 auto;
  padding: 8px;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 8px;
}
.room-chrome {
  padding: 12px 14px;
  overflow: hidden;
}
.room-chrome-toggle {
  width: 100%;
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  text-align: left;
}
.room-chrome-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}
.room-chrome-label {
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex: 0 0 auto;
}
.room-chrome-title {
  font-size: clamp(18px, 2.4vw, 28px);
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.room-chrome-chevron {
  font-size: 18px;
  color: var(--muted);
  transition: transform 160ms ease;
  flex: 0 0 auto;
}
.room-chrome.is-collapsed .room-chrome-chevron {
  transform: rotate(-90deg);
}
.room-chrome-body {
  overflow-x: hidden;
  overflow-y: auto;
  max-height: 320px;
  opacity: 1;
  transition: max-height 220ms ease, opacity 180ms ease, margin-top 220ms ease;
  margin-top: 10px;
  overscroll-behavior: contain;
}

.video-card-chat .chat-frame-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: block;
  overflow: hidden;
  background: #fff;
}
.video-card-chat .chat-frame {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  border: 0;
  background: #fff;
}
.room-chrome.is-collapsed .room-chrome-body {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  pointer-events: none;
  overflow: hidden;
}
.room-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 1fr);
  gap: 12px;
  align-items: start;
}
.room-top-actions {
  align-items: flex-start;
}
.room-top-status {
  display: grid;
  gap: 10px;
  align-content: start;
}
.status-block {
  display: grid;
  gap: 4px;
}
.status-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.status-text {
  margin: 0;
  min-height: 24px;
  font-size: 14px;
}
.participant-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.participant-item {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
}

.room-stage-shell {
  min-height: 0;
  overflow: hidden;
}
.video-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  border-radius: 22px;
  background: rgba(8, 12, 24, 0.85);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.video-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
  min-height: 0;
  padding: 0;
  background: #050913;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  --voice-level: 0;
  --voice-ring-width: calc(2px + (12px * var(--voice-level)));
  transition: border-color 100ms linear, box-shadow 100ms linear, outline-color 100ms linear, outline-width 100ms linear, outline-offset 100ms linear;
  outline: 0 solid transparent;
  outline-offset: 0;
  touch-action: none;
}
.video-card.audio-on {
  border-color: var(--border);
  outline-color: rgba(74, 222, 128, calc(0.24 + 0.30 * var(--voice-level)));
  outline-width: var(--voice-ring-width);
  outline-offset: calc(1px + (2px * var(--voice-level)));
  box-shadow:
    0 0 calc(10px + (34px * var(--voice-level))) rgba(34, 197, 94, calc(0.10 + 0.28 * var(--voice-level)));
}
.video-card.audio-off {
  border-color: var(--border);
  outline: 2px solid rgba(239, 68, 68, 0.35);
  outline-offset: 1px;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.10);
}
.video-card.audio-inactive {
  border-color: var(--border);
  outline: 0 solid transparent;
  outline-offset: 0;
  box-shadow: none;
}
.video-card.voice-active.audio-on {
  border-color: var(--border);
  outline-color: rgba(74, 222, 128, calc(0.34 + 0.42 * var(--voice-level)));
  outline-width: calc(3px + (14px * var(--voice-level)));
  outline-offset: calc(2px + (4px * var(--voice-level)));
  box-shadow:
    0 0 calc(14px + (46px * var(--voice-level))) rgba(74, 222, 128, calc(0.18 + 0.30 * var(--voice-level)));
}
.video-card-camera { z-index: 20; }
.video-card-share { z-index: 10; }
.video-card.is-dragging,
.video-card.is-resizing,
.video-card.is-auto-swapping {
  transition: none;
}
.video-card.auto-swap-target {
  outline-color: rgba(96, 165, 250, 0.78);
  outline-width: 4px;
  outline-offset: 4px;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.28), 0 16px 40px rgba(37, 99, 235, 0.18);
}
.video-card:fullscreen,
.video-card:-webkit-full-screen {
  padding: 0;
  background: #050913;
}
.video-card:fullscreen video,
.video-card:-webkit-full-screen video {
  width: 100%;
  height: 100vh;
}
.video-head {
  position: absolute;
  inset: 10px 10px auto 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  z-index: 3;
  pointer-events: none;
}
.overlay-top { inset: 10px 10px auto 10px; }
.overlay-bottom {
  position: absolute;
  left: 10px;
  bottom: 10px;
  z-index: 3;
}
.drag-handle {
  cursor: grab;
}
.video-card.is-dragging .drag-handle,
.video-card.is-dragging .drag-surface { cursor: grabbing; }
.video-title-group {
  display: grid;
  gap: 6px;
  min-width: 0;
  font-size: 13px;
  font-weight: 700;
  pointer-events: none;
}
.tile-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  pointer-events: auto;
}
.card-video,
video {
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1 1 auto;
  background: #000;
  border-radius: 0;
  object-fit: contain;
}
.video-card-share video {
  object-fit: contain;
  background: #000;
}
.device-state-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  pointer-events: none;
}
.video-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  pointer-events: none;
}
.name-badge {
  color: rgba(255,255,255,0.96);
  background: rgba(5, 9, 19, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.14);
}
.camera-off-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease, visibility 160ms ease;
}
.camera-off-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(6,10,18,0.12), rgba(3,6,12,0.42));
}
.camera-off-icon {
  position: relative;
  width: min(42%, 180px);
  max-width: 180px;
  min-width: 72px;
  opacity: 0.3;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.4));
}
.video-card.camera-disabled .camera-off-overlay {
  opacity: 1;
  visibility: visible;
}
.overlay-controls {
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease, visibility 160ms ease;
}
.video-card.show-overlay-controls .overlay-controls,
.video-card:focus-within .overlay-controls {
  opacity: 1;
  visibility: visible;
}
.resize-handle {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.5);
  border-bottom: 2px solid rgba(255,255,255,0.5);
  border-bottom-right-radius: 8px;
  cursor: nwse-resize;
  touch-action: none;
  opacity: 0;
  visibility: hidden;
  z-index: 3;
  transition: opacity 160ms ease, visibility 160ms ease;
}
.video-card.show-overlay-controls .resize-handle,
.video-card:focus-within .resize-handle {
  opacity: 0.9;
  visibility: visible;
}


.drag-surface {
  cursor: grab;
}
.video-card.show-overlay-controls .video-hint {
  opacity: 1;
  visibility: visible;
}
.video-card .video-hint {
  opacity: 0;
  visibility: hidden;
  max-width: min(72%, 320px);
}
.btn-mini {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.video-card .btn-mini {
  color: rgba(255,255,255,0.96);
  background: rgba(5, 9, 19, 0.52);
  border-color: rgba(255,255,255,0.18);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}
.video-card .btn-mini:hover,
.video-card .btn-mini:focus-visible {
  background: rgba(17, 24, 39, 0.72);
  border-color: rgba(255,255,255,0.28);
}
.video-card .btn-mini.btn-danger {
  background: rgba(127, 29, 29, 0.62);
  border-color: rgba(248, 113, 113, 0.36);
}
.video-card .btn-mini.btn-danger:hover,
.video-card .btn-mini.btn-danger:focus-visible {
  background: rgba(153, 27, 27, 0.76);
}
.video-card .icon-toggle-btn {
  width: 38px;
  min-width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.video-card .icon-toggle-btn .toggle-icon-stack {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: visible;
}
.video-card .icon-toggle-btn svg {
  width: 18px;
  height: 18px;
  display: block;
}
.video-card .icon-toggle-btn .toggle-icon-base {
  position: relative;
  z-index: 1;
}
.video-card .icon-toggle-btn .toggle-icon-stop {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 33px;
  height: 33px;
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: none;
  opacity: 0.98;
}
.video-card .icon-toggle-btn.is-on {
  color: #4ade80;
  background: rgba(20, 83, 45, 0.72);
  border-color: rgba(74, 222, 128, 0.52);
}
.video-card .icon-toggle-btn.is-on:hover,
.video-card .icon-toggle-btn.is-on:focus-visible {
  background: rgba(22, 101, 52, 0.84);
  border-color: rgba(134, 239, 172, 0.70);
}
.video-card .icon-toggle-btn.is-off {
  color: #f87171;
  background: rgba(127, 29, 29, 0.68);
  border-color: rgba(248, 113, 113, 0.52);
}
.video-card .icon-toggle-btn.is-off:hover,
.video-card .icon-toggle-btn.is-off:focus-visible {
  background: rgba(153, 27, 27, 0.84);
  border-color: rgba(252, 165, 165, 0.68);
}
.video-card .icon-toggle-btn.is-unknown {
  color: rgba(255,255,255,0.88);
  background: rgba(30, 41, 59, 0.72);
  border-color: rgba(148, 163, 184, 0.35);
}
.video-card .icon-toggle-btn:disabled {
  opacity: 0.55;
}
.video-card .badge {
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
}
.video-stage.is-portrait-share .video-card-camera {
  z-index: 20;
}
.video-stage.is-portrait-share .video-card-share {
  z-index: 10;
}
@media (max-width: 900px) {
  .page {
    width: min(100%, calc(100% - 20px));
  }
  .page-room-index {
    width: min(100%, calc(100% - 20px));
  }
  .card {
    border-radius: 18px;
  }
  .hero {
    padding: 24px;
  }
  .room-page {
    width: 100%;
    padding: 6px;
    gap: 6px;
  }
  .room-chrome {
    padding: 10px;
    border-radius: 18px;
  }
  .room-top-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .room-top-actions .btn {
    min-height: 40px;
    padding: 10px 12px;
    font-size: 13px;
  }
  .room-chrome-title-wrap {
    align-items: center;
  }
  .room-chrome-label {
    display: none;
  }
  .video-card {
    padding: 0;
    border-radius: 16px;
  }
  .tile-actions {
    gap: 4px;
  }
  .btn-mini {
    min-height: 28px;
    padding: 5px 8px;
    font-size: 11px;
  }
  .video-title-group {
    font-size: 12px;
  }
  .overlay-top { inset: 8px 8px auto 8px; }
  .overlay-bottom { left: 8px; bottom: 8px; }
  .badge {
    min-height: 24px;
    padding: 3px 8px;
    font-size: 11px;
  }
  .video-hint {
    font-size: 11px;
  }
  .resize-handle {
    width: 16px;
    height: 16px;
  }
  .room-list-head {
    flex-direction: column;
    align-items: stretch;
  }
  .room-list-item {
    grid-template-columns: 1fr;
  }
  .room-list-item-side {
    min-width: 0;
    justify-items: stretch;
  }
  .room-remaining-value {
    font-size: 18px;
  }
}


.stream-quality-storage {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: grid;
  gap: 12px;
}
.stream-quality-storage-head {
  display: grid;
  gap: 4px;
}
.stream-quality-storage-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.stream-quality-list {
  display: grid;
  gap: 10px;
}
.stream-quality-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.stream-quality-row.is-disabled {
  opacity: 0.72;
}
.stream-quality-name {
  min-width: 120px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.quality-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.btn-quality {
  min-width: 62px;
}
.btn-quality.is-active,
.btn-quality[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.92), rgba(196, 181, 253, 0.92));
  color: #0b1020;
  border-color: transparent;
}
@media (max-width: 720px) {
  .stream-quality-row {
    align-items: flex-start;
  }
  .stream-quality-name {
    min-width: 100%;
  }
}