:root {
  --bg: #0b0b0c;
  --card: #141418;
  --muted: #a8acb8;
  --fg: #f7f7fb;
  --accent: #5b8cff;
  --danger: #ff5b71;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.45 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.imageflex { display: flex; }
.imageflexcontent { margin-left: 5px; margin-top: 0; }

.topbar, .bottombar {
  position: sticky;
  z-index: 10;
  background: rgba(20,20,24,0.9);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: space-between;
  padding: env(safe-area-inset-top) 12px 8px 12px;
}
.bottombar { bottom: 0; padding: 8px 12px env(safe-area-inset-bottom) 12px; }

.brand { font-weight: 700; letter-spacing: .3px; }
.icon-btn {
  appearance: none; border: 1px solid #2a2a33; background: #1a1a20; color: var(--fg);
  border-radius: 999px; padding: 8px 10px; font-size: 16px;
}

.container { padding: 12px; display: grid; gap: 12px; }

.card {
  background: var(--card); border: 1px solid #23232b; border-radius: var(--radius);
  padding: 12px;
}

.controls .row { display: grid; gap: 10px; }
.controls .row.buttons { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 10px; }
@media (min-width: 520px) {
  .controls .row { grid-template-columns: 1fr 1fr; }
  .controls .row.buttons { grid-template-columns: repeat(5, auto); }
}

.field { display: grid; gap: 6px; }
.field > span { color: var(--muted); font-size: 12px; }
.field > input {
  appearance: none; border: 1px solid #2a2a33; background: #101015; color: var(--fg);
  border-radius: 10px; padding: 12px 12px; font-size: 16px;
}

.btn {
  appearance: none; border: 1px solid #2a2a33; background: #1b1b21; color: var(--fg);
  border-radius: 12px; padding: 12px; font-weight: 600;
}
.btn[disabled] { opacity: .5; }
.btn.primary { background: var(--accent); border-color: transparent; color: white; }

.status {
  margin-top: 8px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px; color: var(--muted); white-space: pre-wrap; max-height: 120px; overflow: auto;
  background: #0d0d12; padding: 8px; border-radius: 10px; border: 1px solid #24242c;
}

.videos { display: grid; gap: 12px; }
.video-tile video, .grid video {
  width: 100%; height: auto; aspect-ratio: 16/9; background: #000; border-radius: var(--radius);
}

.grid { display: grid; gap: 8px; grid-template-columns: 1fr 1fr; }
@media (min-width: 820px) { .grid { grid-template-columns: repeat(3, 1fr); } }

/* --- Stage fills width, maintains aspect, covers like a player --- */
.stage {
  position: relative;
  width: 100%;
  min-height: 40vh;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #23232b;
}

/* Any video inside stage covers fully */
.stage video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Picture-in-picture container (local) */
.pip {
  z-index: 5;
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 30vw;
  max-width: 180px;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 6px 22px rgba(0,0,0,0.45);
  will-change: transform;
  transform: translateZ(0);
}

.pip video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  contain: paint;             /* isolates painting – helps some Android GPUs */
  backface-visibility: hidden;
}

/* Thumbnail strip for extra remotes */
.thumbs {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 10px;
}
@media (min-width: 720px) { .thumbs { grid-template-columns: repeat(6, 1fr); } }

.thumbs video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 10px;
  background: #000;
  border: 1px solid #23232b;
}

/* Optional: mirror local when using front camera for a natural selfie view */
.video-mirror { transform: scaleX(-1); }

.pip.video-off::after {
  content: "Video off";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.65));
  color: #fff;
  font-weight: 600;
  letter-spacing: .2px;
}