/* assets/styles.css */
/* Basic layout for partner video, local draggable preview, control row, and states */

:root {
  --bg: #0f1724;
  --panel: #111827;
  --accent: #06b6d4;
  --muted: #94a3b8;
  --white: #ffffff;
  --shadow: 0 8px 20px rgba(2,6,23,0.6);
  --radius: 12px;
}

* { box-sizing: border-box; }
html,body,#app { height: 100%; margin: 0; font-family: Inter, system-ui, Arial, sans-serif; background: var(--bg); color: var(--white); }

.partner-area {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.5));
  overflow: hidden;
}

.video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

/* local preview small overlay */
.local-preview {
  position: fixed;
  width: 220px;
  height: 140px;
  top: 16px;
  right: 16px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform-origin: center;
  z-index: 40;
  cursor: grab;
  border: 2px solid rgba(255,255,255,0.06);
  background: #000;
}

/* when swapped, local becomes large and partner becomes small */
.swapped-video .local-preview {
  width: calc(100% - 32px);
  height: calc(100% - 32px);
  top: 16px;
  left: 16px;
  right: auto;
  bottom: auto;
  border-radius: 10px;
  transition: transform 240ms ease, width 240ms ease, height 240ms ease;
}

.swapped-video .video-element {
  width: 220px;
  height: 140px;
  position: fixed;
  bottom: 16px;
  left: 16px;
  border-radius: 10px;
  object-fit: cover;
  z-index: 20;
  box-shadow: var(--shadow);
}

/* bottom control row */
.control-toggle {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 22px;
  z-index: 60;
}

.spinner {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(6,182,212,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 200ms ease;
}

.spinner:active { transform: scale(0.96); }

/* control row hidden by default */
.control-row {
  position: fixed;
  left: 50%;
  bottom: 86px;
  transform: translateX(-50%) translateY(10px) scale(0.95);
  background: rgba(6,6,10,0.6);
  border-radius: 30px;
  padding: 10px 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  z-index: 61;
  transition: opacity 260ms ease, transform 260ms ease;
  box-shadow: var(--shadow);
}

.control-row.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(18px) scale(0.9);
}

.control-row.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0) scale(1);
}

.control-btn {
  background: transparent;
  border: none;
  color: var(--white);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  backdrop-filter: blur(6px);
}

.control-btn:hover {
  background: rgba(255,255,255,0.04);
}

.small-label {
  font-size: 12px;
  color: var(--muted);
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

/* visual helper classes */
.hidden { display: none !important; }
.active { display: block !important; }
.locked { border-color: var(--accent) !important; }

/* debug panel hidden visually by default */
.visually-hidden { position: absolute!important; height:1px; width:1px; overflow:hidden; clip:rect(1px,1px,1px,1px); white-space:nowrap; }

/* overlay states */
.overlay {
  position: absolute;
  z-index: 30;
  padding: 12px 18px;
  background: rgba(0,0,0,0.6);
  border-radius: 8px;
  color: var(--white);
  font-weight: 600;
  pointer-events: none;
}

/* swapped animation */
.local-preview, .video-element {
  transition: box-shadow 220ms ease, transform 220ms ease;
}

/* responsive */
@media (max-width: 700px) {
  .local-preview { width: 160px; height: 110px; top: 12px; right: 12px; }
  .control-row { bottom: 70px; padding: 8px; gap: 6px; }
  .control-btn { padding: 6px 8px; font-size: 14px; }
}

/* small classes used by app.js */
.disconnected { filter: grayscale(0.6) brightness(0.7); }