/* Sonorium call layer — video + voice mesh, isolated from music playback. */
.call-stage {
  grid-column: 1 / -1;
  position: relative;
  min-width: 0;
  padding: 1rem;
  border: 1px solid rgba(245, 201, 96, 0.28);
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% -20%, rgba(245, 201, 96, 0.12), transparent 42%),
    linear-gradient(145deg, rgba(14, 13, 12, 0.97), rgba(5, 5, 5, 0.98));
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.42);
}

.call-stage-master {
  margin-bottom: 1.25rem;
}

@media (min-width: 801px) {
  .call-stage-master:not(.has-participants) {
    padding: 0.75rem 1rem 0.85rem;
  }

  .call-stage-master:not(.has-participants) .call-empty {
    min-height: 88px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.75rem;
    padding: 0.15rem 0;
    text-align: left;
  }

  .call-stage-master:not(.has-participants) .call-empty i {
    width: 2.45rem;
    height: 2.45rem;
    flex-shrink: 0;
    font-size: 0.95rem;
  }

  .call-stage-master:not(.has-participants) .call-empty span {
    max-width: 28rem;
    font-size: 0.88rem;
    line-height: 1.45;
  }

  .call-stage-master:not(.has-participants) .call-dock {
    margin-top: 0.55rem;
    padding-top: 0.65rem;
  }
}

.call-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.call-stage-kicker {
  display: block;
  margin-bottom: 0.12rem;
  color: var(--accent);
  font: 500 0.7rem/1.2 "Space Grotesk", sans-serif;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.call-stage-title {
  margin: 0 !important;
  color: var(--text);
  font: 600 1.08rem/1.25 "Space Grotesk", sans-serif;
}

.call-toolbar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.call-layout-btn {
  width: 2.55rem;
  height: 2.55rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.065);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.call-layout-btn:hover {
  transform: translateY(-1px);
  color: var(--text);
  background: rgba(255, 255, 255, 0.11);
}

.call-layout-btn.is-active {
  color: var(--accent);
  border-color: rgba(245, 201, 96, 0.48);
  background: rgba(245, 201, 96, 0.1);
}

.call-dock {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

/* Mic + webcam + settings: identical size in Master and room dock */
.call-dock .call-dock-btn,
.call-dock .call-mic-btn,
.call-dock .call-camera-btn,
.call-dock .call-settings-btn {
  width: 3rem;
  height: 3rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  box-sizing: border-box;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.call-dock .call-dock-btn i,
.call-dock .call-mic-btn i,
.call-dock .call-camera-btn i,
.call-dock .call-settings-btn i {
  font-size: 1.05rem;
  width: 1.05rem;
  height: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.call-dock-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.14);
}

.call-dock-btn[hidden] { display: none !important; }

.call-dock .call-camera-btn {
  color: #0d0c0a;
  border-color: var(--accent);
  background: var(--accent);
}

.call-dock .call-camera-btn:hover {
  color: #0d0c0a;
  background: #ffe08b;
}

.call-dock .call-camera-btn.is-active {
  color: #fff;
  border-color: #bd4753;
  background: #a73541;
}

.call-dock .call-mic-btn.is-active {
  color: #0d0c0a;
  border-color: #4ade80;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

.call-dock .call-mic-btn.is-active.is-speaking {
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.35), 0 0 18px rgba(34, 197, 94, 0.45);
}

.call-dock .call-mic-btn.is-muted,
.call-dock .call-mic-btn.is-off {
  color: #fff;
  border-color: #bd4753;
  background: #a73541;
}

.call-settings-wrap {
  position: relative;
}

.call-settings-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.65rem);
  width: min(280px, 78vw);
  padding: 0.85rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(245, 201, 96, 0.28);
  background: rgba(12, 11, 9, 0.96);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55);
  z-index: 20;
}

.call-settings-label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
}

.call-mic-select,
.call-sensitivity {
  width: 100%;
  margin-bottom: 0.75rem;
}

.call-mic-select {
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font: inherit;
}

.call-sensitivity {
  accent-color: var(--accent);
}

.call-sensitivity-meter {
  height: 6px;
  margin: -0.35rem 0 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.call-sensitivity-meter span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #22c55e, #f5c960);
  transition: width 60ms linear;
}

.call-settings-hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.call-empty {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  color: var(--text-muted);
  text-align: center;
}

.call-empty i {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(245, 201, 96, 0.24);
  border-radius: 50%;
  color: var(--accent);
  background: rgba(245, 201, 96, 0.07);
}

.webcam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 0.8rem;
}

.webcam-grid:empty {
  display: none;
}

.call-stage.has-participants .call-empty {
  display: none;
}

.webcam-tile {
  position: relative;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  background: #090909;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.34);
  cursor: grab;
  transition: border-color 160ms ease, transform 160ms ease, opacity 160ms ease, box-shadow 160ms ease;
}

.webcam-tile:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 201, 96, 0.48);
}

.webcam-tile.is-local {
  border-color: rgba(245, 201, 96, 0.74);
}

.webcam-tile.is-speaking {
  border-color: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.35), 0 12px 30px rgba(0, 0, 0, 0.34);
}

.webcam-tile.is-dragging {
  opacity: 0.45;
  cursor: grabbing;
}

.webcam-tile-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 30%, rgba(245, 201, 96, 0.16), transparent 55%),
    linear-gradient(160deg, #1a1815, #0c0b09);
  z-index: 0;
}

.webcam-tile-fallback img,
.webcam-tile-fallback span {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  object-fit: cover;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: #0c0b09;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.webcam-tile video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: none;
  object-fit: cover;
  background: #090909;
  transform: none;
}

.webcam-tile.has-video video {
  display: block;
}

.webcam-tile.has-video .webcam-tile-fallback {
  opacity: 0;
}

.webcam-tile.is-local video {
  transform: scaleX(-1);
}

.webcam-tile-label {
  position: absolute;
  left: 0.65rem;
  right: auto;
  bottom: 0.6rem;
  z-index: 2;
  max-width: calc(100% - 1.3rem);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.55rem 0.28rem 0.28rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(5, 5, 5, 0.72);
  color: #fff;
  font: 500 0.8rem/1.2 "DM Sans", sans-serif;
  backdrop-filter: blur(8px);
}

.webcam-tile-avatar {
  width: 1.45rem;
  height: 1.45rem;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(245, 201, 96, 0.18);
  display: grid;
  place-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
}

.webcam-tile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.webcam-tile-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 0.2rem;
}

.call-stage[data-layout="focus"] .webcam-grid {
  grid-template-columns: repeat(auto-fit, minmax(130px, 170px));
  grid-auto-flow: row;
  align-items: end;
}

.call-stage[data-layout="focus"] .webcam-tile {
  min-height: 110px;
  aspect-ratio: 16 / 10;
}

.call-stage[data-layout="focus"] .webcam-tile.is-focused {
  grid-column: 1 / -1;
  width: 100%;
  min-height: clamp(300px, 48vw, 610px);
}

@media (max-width: 800px) {
  .call-stage {
    order: -2;
    padding: 0.8rem;
    border-radius: 14px;
  }

  .call-stage-header {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .call-toolbar {
    margin-left: auto;
  }

  .call-stage-title {
    font-size: 0.98rem;
  }

  .call-layout-btn {
    width: 2.35rem;
    height: 2.35rem;
  }

  .call-dock .call-dock-btn,
  .call-dock .call-mic-btn,
  .call-dock .call-camera-btn,
  .call-dock .call-settings-btn {
    width: 2.85rem;
    height: 2.85rem;
    font-size: 1rem;
  }

  .call-dock .call-dock-btn i,
  .call-dock .call-mic-btn i,
  .call-dock .call-camera-btn i,
  .call-dock .call-settings-btn i {
    font-size: 1rem;
    width: 1rem;
    height: 1rem;
  }

  .webcam-grid {
    grid-template-columns: 1fr;
  }

  .webcam-tile {
    min-height: 0;
    max-height: 40vh;
    aspect-ratio: 16 / 10;
  }

  .call-stage[data-layout="focus"] .webcam-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .call-stage[data-layout="focus"] .webcam-tile.is-focused {
    min-height: clamp(180px, 40vh, 320px);
    max-height: none;
  }

  .call-empty {
    min-height: 140px;
  }
}