/*
 * stream-video Design System (adapted from Google Stitch)
 * Corporate / Modern — high-fidelity minimalism for dark video conferencing
 */

/* ===== Color Tokens ===== */
:root {
  --color-background: #131313;
  --color-surface: #1a1a1a;
  --color-surface-container: #222222;
  --color-surface-container-high: #2a2a2a;
  --color-surface-container-low: #1c1b1b;
  --color-surface-dim: #131313;
  --color-surface-bright: #393939;

  --color-on-surface: #e5e2e1;
  --color-on-background: #e5e2e1;
  --color-on-surface-variant: #c0c7d4;
  --color-outline: #8a919e;
  --color-outline-variant: #414752;

  --color-primary: #4a9eff;
  --color-primary-container: #0f2a5c;
  --color-on-primary: #00315d;
  --color-primary-fixed-dim: #a4c9ff;

  --color-secondary: #abd0a6;
  --color-secondary-container: #305030;
  --color-on-secondary: #173719;

  --color-tertiary: #ffb869;

  --color-error: #e74c3c;
  --color-error-container: #93000a;
  --color-on-error: #690005;

  --color-success: #2ecc71;
  --color-warning: #f39c12;
}

/* ===== Typography ===== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  margin: 0;
  background: var(--color-background);
  color: var(--color-on-background);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/*
 * If Hanken Grotesk is available (via Google Fonts), use it for headings:
 * @import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@500;600;700&display=swap');
 * Font stacks fall back to system sans-serif otherwise.
 */
.headline-lg {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 600;
  font-size: 32px;
  line-height: 40px;
}
.headline-lg-mobile {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 600;
  font-size: 24px;
  line-height: 32px;
}
.title-md {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 28px;
}
.label-md {
  font-family: -apple-system, BlinkMacSystemFont, "SFMono-Regular", Consolas, monospace;
  font-weight: 500;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ===== Shadows ===== */
.shadow-raised { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); }
.shadow-elevated { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5); }
.shadow-card { box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3); }

/* ===== Border Radius ===== */
.radius-btn { border-radius: 6px; }
.radius-card { border-radius: 12px; }
.radius-full { border-radius: 9999px; }
.radius-xl { border-radius: 8px; }

/* ===== Layout Spacing ===== */
:root {
  --stack-sm: 16px;
  --stack-md: 24px;
  --gutter: 24px;
  --margin-desktop: 40px;
  --margin-mobile: 16px;
}

/* ===== Body / Page ===== */
body { min-height: 100dvh; }

/* ===== App Bar (Header) ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--color-surface-dim);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--margin-mobile);
  z-index: 50;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
#header .left-section { display: flex; align-items: center; gap: 12px; }
#header .stream-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 20px;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
#header .app-icon { font-size: 22px; color: #fff; }
#header .right-section { display: flex; align-items: center; gap: 12px; }
#header .room-badge {
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  color: #fff;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
}
#header .header-btn {
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  background: var(--color-error-container);
  color: var(--color-on-error);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
#header .header-btn:hover { opacity: 0.85; }
#header .header-btn.leave { background: var(--color-error); color: #fff; }
#header .header-btn.leave:hover { background: #ff5544; }
#header .header-btn.toggle {
  background: var(--color-surface-container);
  color: #fff;
  border: 1px solid var(--color-outline-variant);
}
#header .header-btn.toggle:hover { background: var(--color-surface-bright); }

/* ===== Lobby ===== */
.lobby-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 40px var(--margin-mobile) 64px;
  background: var(--color-background);
}
.error-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 56px var(--margin-mobile) 80px;
  background: var(--color-background);
}
.error-card {
  background: var(--color-surface-container);
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 420px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.error-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,158,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.error-icon {
  font-size: 56px;
  color: var(--color-error);
  margin-bottom: 16px;
  display: block;
}
.lobby-card {
  background: var(--color-surface-container);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 400px;
  position: relative;
  overflow: hidden;
}
.lobby-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 160px;
  height: 160px;
  background: var(--color-primary);
  opacity: 0.04;
  border-radius: 50%;
  filter: blur(40px);
}
.lobby-header { text-align: center; margin-bottom: 20px; }
.lobby-header h1 {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-on-surface);
  margin: 0 0 4px;
}
.lobby-header p {
  font-size: 12px;
  color: var(--color-on-surface-variant);
  margin: 0;
}
.lobby-form { display: flex; flex-direction: column; gap: 12px; }
.lobby-form .form-field { display: flex; flex-direction: column; gap: 6px; }
.lobby-form label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-outline);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.lobby-form input {
  padding: 12px 16px;
  border: 1px solid var(--color-outline-variant);
  border-radius: 6px;
  background: var(--color-surface-container-low);
  color: var(--color-on-surface);
  font-size: 15px;
  transition: border-color 0.2s;
}
.lobby-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}
.lobby-form input::placeholder { color: var(--color-outline); }
.lobby-form .input-with-icon { position: relative; }
.lobby-form input.error { border-color: var(--color-error); }
.lobby-form input.error:focus { border-color: var(--color-error); box-shadow: 0 0 0 1px var(--color-error); }
.lobby-form .field-error { color: var(--color-error); font-size: 12px; margin-top: 4px; }
@keyframes lobbyShake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}
.lobby-form input.shake { animation: lobbyShake .35s ease; }
.lobby-form .refresh-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-outline);
  cursor: pointer;
  font-size: 18px;
  transition: color 0.2s;
}
.lobby-form .refresh-icon:hover { color: var(--color-primary); }
.lobby-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
  color: var(--color-outline);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.lobby-divider::before,
.lobby-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-outline-variant);
}
.lobby-form .btn-primary {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: 6px;
  background: var(--color-secondary-container);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.lobby-form .btn-primary:hover { opacity: 0.9; }
.lobby-form .btn-primary:active { transform: scale(0.98); }
.lobby-form .btn-action {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: 6px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.lobby-form .btn-action:hover { opacity: 0.9; }
.lobby-form .btn-action:active { transform: scale(0.98); }
.lobby-form .btn-secondary {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid var(--color-outline);
  border-radius: 6px;
  background: transparent;
  color: var(--color-on-surface-variant);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.lobby-form .btn-secondary:hover {
  background: var(--color-surface-container);
  border-color: var(--color-primary);
}
.lobby-form .btn-secondary:active { transform: scale(0.98); }

/* Pre-join preview */
.prejoin-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.preview-video-wrapper {
  position: relative;
  width: 100%;
  height: 96px;
  background: var(--color-surface-dim);
  border: 1px solid var(--color-outline-variant);
  border-radius: 8px;
  overflow: hidden;
}
.preview-video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.preview-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-outline);
  font-size: 24px;
}
.preview-hint {
  font-size: 12px;
  color: var(--color-outline);
  text-align: center;
}
.preview-hint.error { color: var(--color-error); }
.preview-controls {
  display: flex;
  gap: 12px;
}
.preview-control-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-outline-variant);
  border-radius: 8px;
  background: var(--color-surface-dim);
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.preview-control-btn:hover {
  background: var(--color-surface-bright);
  transform: scale(1.05);
}
.preview-control-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.lobby-footer {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.lobby-footer-item .icon { font-size: 18px; }
.lobby-footer-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-outline);
}
.lobby-footer-item.active { color: var(--color-primary); }
.lobby-footer-item .icon { font-size: 18px; }
.lobby-lang {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
  color: var(--color-outline);
}
select.i18n-select {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}
.lobby-lang select.i18n-select { max-width: 140px; }
.lobby-tagline {
  margin-top: 14px;
  font-size: 11px;
  color: var(--color-outline);
  text-align: center;
}
.lobby-tagline a {
  color: var(--color-primary);
  text-decoration: none;
  margin: 0 6px;
}
.lobby-tagline a:hover { text-decoration: underline; }

/* ===== Meeting Screen ===== */
#app { display: flex; flex-direction: column; height: 100vh; margin-top: 56px; }

/* Participant Sidebar */
#roster {
  position: fixed;
  top: 56px;
  right: 0;
  width: 340px;
  height: calc(100vh - 56px);
  background: var(--color-surface-container-low);
  border-left: 1px solid var(--color-outline-variant);
  z-index: 20;
  display: none;
  flex-direction: column;
  box-sizing: border-box;
  padding: 16px;
}
body.roster-open #local,
body.roster-open #peers { padding-right: 360px; }
#roster h2 {
  font-size: 14px;
  color: var(--color-outline);
  margin: 0 0 12px 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
#participant-list { flex: 1; overflow-y: auto; padding: 0 0 8px 0; }
.participant {
  padding: 8px;
  border-radius: 8px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--color-surface-dim);
  border: 1px solid var(--color-outline-variant);
}
.participant.self { border-left: 2px solid var(--color-primary); }
.participant .info { display: flex; align-items: center; gap: 8px; }
.participant .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-container);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
  overflow: hidden;
}
.participant .avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.participant .name { flex: 1; font-size: 14px; color: var(--color-on-surface); }
.participant .meta { font-size: 11px; color: var(--color-outline); margin-top: 2px; }
.participant .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}
.participant .dot.connecting,
.dot.connecting { background: var(--color-warning); }
.participant .dot.disconnected,
.dot.disconnected { background: var(--color-error); }
.participant .dot.offline { background: var(--color-outline); }
.participant .controls { display: flex; gap: 4px; color: var(--color-outline); font-size: 16px; }

/* Video Grid */
#local, #peers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  padding: 80px 16px 230px;
  box-sizing: border-box;
}
#local { position: relative; }
body.roster-open #local,
body.roster-open #peers { padding-right: 360px; }

/* Local video wrappers */
#local-screen-wrap { position: relative; grid-column: 1 / -1; width: 100%; }
#local-screen-video {
  display: block;
  width: 100%;
  min-height: 220px;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 12px;
  background: var(--color-surface-container);
}
#camera-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 140px;
  height: 105px;
  border-radius: 8px;
  background: var(--color-surface-container);
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 5;
  display: none;
  object-fit: cover;
}

/* Shared video style */
.video-wrapper { position: relative; }
video {
  width: 100%;
  min-height: 104px;
  border-radius: 12px;
  background: var(--color-surface-container);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--color-outline-variant);
}
video:hover { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4); }
video:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Remote PIP overlay for screen share */
.remote-pip {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 140px;
  height: 105px;
  border-radius: 8px;
  background: var(--color-surface-container);
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 5;
  display: none;
  object-fit: cover;
}

/* Enlarged (click-to-enlarge) */
.enlarged {
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  display: block !important;
  width: 80vw !important;
  height: 80vh !important;
  max-width: none !important;
  max-height: none !important;
  z-index: 200 !important;
  border-radius: 0 !important;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.8) !important;
}
.enlarged video { width: 100% !important; height: 100% !important; object-fit: contain; }

/* Video status badge */
.video-status {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 2px 8px;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-success);
  font-size: 10px;
  white-space: nowrap;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.status-connected { color: var(--color-success); }
.status-connecting { color: var(--color-warning); }
.status-disconnected { color: var(--color-error); }
.status-failed { color: var(--color-error); }

/* Participant label overlay on video */
.video-label {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  color: var(--color-on-surface);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.video-label .dot { width: 6px; height: 6px; }

/* ===== Controls Bar ===== */
#controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 96px;
  background: rgba(26, 26, 26, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 15;
  padding: 12px 20px;
  box-sizing: border-box;
}
body.roster-open #controls { right: 340px; }
#controls .control-btn {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 12px;
  background: var(--color-surface-container);
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  border: 1px solid var(--color-outline-variant);
}
#controls .control-btn i { font-size: 20px; color: #fff; }
#controls .control-btn:hover {
  background: var(--color-surface-bright);
  transform: scale(1.05);
}
#controls .control-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
#controls .control-btn.danger.active {
  background: var(--color-error);
  color: #fff;
  border-color: var(--color-error);
}
#controls .control-btn.mic-on i { color: #fff; }
#controls .control-btn.cam-on i { color: #fff; }
#controls .control-btn.screen-on {
  background: var(--color-error);
  color: #fff;
  border-color: var(--color-error);
}
#controls select {
  padding: 10px 12px;
  border: none;
  border-radius: 8px;
  background: var(--color-surface-container);
  color: var(--color-on-surface);
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--color-outline-variant);
}
#controls select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

/* Recording button + floating timer (host view) */
#controls .control-btn.record-btn.active {
  background: var(--color-error);
  border-color: var(--color-error);
  animation: rec-pulse 1.6s ease-in-out infinite;
}
@keyframes rec-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.55); }
  50% { box-shadow: 0 0 0 10px rgba(220, 38, 38, 0); }
}
#record-timer {
  position: fixed;
  bottom: 108px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(26, 26, 26, 0.85);
  border: 1px solid var(--color-outline-variant);
  border-radius: 20px;
  color: #fff;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 16;
}
body.roster-open #record-timer { left: calc(50% - 170px); }
#record-timer i.fa-circle {
  color: var(--color-error);
  font-size: 10px;
}
#record-timer.rec-processing i.fa-circle {
  animation: rec-pulse 1.6s ease-in-out infinite;
}
#record-timer.rec-failed {
  color: var(--color-error);
}
#record-timer.rec-done i.fa-circle { display: none; }
#record-timer a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}
#record-timer a:hover {
  text-decoration: underline;
}

/* Chat inside roster */
#chat {
  display: flex;
  flex-direction: column;
  height: 200px;
  border-top: 1px solid var(--color-outline-variant);
  margin-top: 8px;
  padding-top: 8px;
}
#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}
.message-row {
  padding: 4px 8px;
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.message-row .sender {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 13px;
}
.message-row .text { font-size: 13px; color: var(--color-on-surface); }
#typing-indicator {
  padding: 4px 8px;
  color: var(--color-outline);
  font-size: 12px;
  display: none;
}

/* Chat form */
#chat-form { display: flex; padding: 8px; gap: 8px; }
#chat-form input {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 8px;
  background: var(--color-surface-dim);
  color: var(--color-on-surface);
  font-size: 14px;
  border: 1px solid var(--color-outline-variant);
}
#chat-form input::placeholder { color: var(--color-outline); }
#chat-form button {
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
  font-size: 14px;
  transition: opacity 0.2s;
}
#chat-form button:hover { opacity: 0.85; }

/* Emoji quick-send row */
#emoji-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0 8px 4px;
}
.emoji-btn {
  background: var(--color-surface-dim);
  border: 1px solid var(--color-outline-variant);
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 4px 6px;
  transition: background 0.15s, transform 0.15s;
}
.emoji-btn:hover {
  background: var(--color-surface-container-highest);
  transform: scale(1.15);
}

/* ====== Pre-join Join Panel ===== */
#join {
  position: fixed;
  top: 72px;
  left: 16px;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 280px;
  background: var(--color-surface-container);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--color-outline-variant);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
#join .join-field { display: flex; flex-direction: column; gap: 6px; }
#join .join-field label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-outline);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
#join .join-field input {
  padding: 10px 12px;
  border: 1px solid var(--color-outline-variant);
  border-radius: 6px;
  background: var(--color-surface-container-low);
  color: var(--color-on-surface);
  font-size: 14px;
}
#join .join-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}
#join .input-with-icon { position: relative; }
#join .refresh-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-outline);
  cursor: pointer;
  font-size: 16px;
  transition: color 0.2s;
}
#join .refresh-icon:hover { color: var(--color-primary); }
#join .btn-primary {
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  background: var(--color-secondary-container);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
#join .btn-primary:hover { opacity: 0.9; }
#join .lobby-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 8px 0;
  color: var(--color-outline);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
#join .lobby-divider::before,
#join .lobby-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-outline-variant);
}
#join .btn-action {
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
#join .btn-action:hover { opacity: 0.85; }

/* ===== Caption Bar ===== */
#caption-bar {
  position: fixed;
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 92vw;
  text-align: center;
  z-index: 15;
  pointer-events: none;
}
#caption-translation {
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.95), 0 2px 4px rgba(0, 0, 0, 0.95);
  padding: 2px 12px;
}
#caption-original {
  font-size: 13px;
  color: #ddd;
  opacity: 0.85;
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.95);
  padding: 0 12px 4px;
}
.caption-speaker {
  color: #ffd479;
  font-weight: bold;
}
.caption-speaker i {
  margin-right: 4px;
}
#caption-status {
  position: fixed;
  bottom: 130px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 16;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(20, 20, 20, 0.9);
  color: #ffd479;
  font-size: 13px;
  pointer-events: none;
  white-space: nowrap;
}
.hidden { display: none !important; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  #header { padding: 0 12px; }
  #roster { width: 100%; max-width: 340px; }
  #controls { gap: 10px; }
  #controls .control-btn { width: 44px; height: 44px; font-size: 18px; }
  #local, #peers {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    padding: 64px 12px 200px;
  }
  .lobby-card { padding: 28px; max-width: 90vw; }
}

/* ---- Pre-join gate ---- */
#prejoin-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
}
#prejoin-overlay.hidden { display: none; }
.prejoin-card {
  background: #1b1f27; color: #fff; border-radius: 14px;
  padding: 28px 32px; width: min(360px, 92vw);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.prejoin-card h3 { margin: 0 0 4px; }
.prejoin-room { margin: 0 0 16px; color: #9aa6b6; font-size: 14px; }
.prejoin-card label { display: block; margin: 12px 0 6px; color: #cdd6e2; font-size: 13px; }
.prejoin-role { margin: 12px 0 0; }
.prejoin-role-title { font-size: 0.9em; color: #9aa6b6; margin-bottom: 6px; }
.prejoin-card label.role-option {
  cursor: pointer; display: flex; align-items: center;
  padding: 8px 10px; margin: 4px 0;
  border-radius: 8px; border: 1px solid #3a4250;
}
.prejoin-card label.role-option:hover { background: rgba(255, 255, 255, 0.04); }
.prejoin-card label.role-option input { margin-right: 8px; accent-color: #4a9eff; }
#prejoin-name {
  width: 100%; box-sizing: border-box; padding: 10px 12px;
  border-radius: 8px; border: 1px solid #3a4250; background: #12151b; color: #fff;
  font-size: 15px;
}
.prejoin-preview {
  position: relative; margin-top: 16px; aspect-ratio: 16/9; overflow: hidden;
  border-radius: 10px; background: #101318;
}
.prejoin-preview video { width: 100%; height: 100%; object-fit: cover; }
.prejoin-placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #6b7686; font-size: 28px; }
#prejoin-hint { color: #9aa6b6; font-size: 13px; margin: 10px 0; }
.prejoin-controls { display: flex; gap: 10px; justify-content: center; margin-bottom: 14px; }
.prejoin-btns { display: flex; flex-direction: column; gap: 8px; }
.prejoin-btns .btn-primary, .prejoin-btns .btn-action {
  width: 100%; padding: 11px 16px; border: none; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600;
  cursor: pointer;
}
.prejoin-btns .btn-primary { background: #4a9eff; color: #fff; }
.prejoin-btns .btn-primary:hover { opacity: 0.9; }
.prejoin-btns .btn-action { background: #25d366; color: #fff; }
.prejoin-btns .btn-action:hover { opacity: 0.9; }

/* ---- Recording revisit page (/rec/{id}) ---- */
.popup-btn {
  padding: 4px 12px;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  display: inline-block;
  text-decoration: none;
}
.popup-btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.popup-btn-primary:hover { filter: brightness(1.1); }
.popup-btn-secondary {
  background: var(--color-surface-container);
  color: var(--color-on-surface-variant);
}
.popup-btn-secondary:hover {
  background: var(--color-surface-bright);
  color: var(--color-on-surface);
}
.rec-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  color: var(--color-on-surface);
}
.rec-header {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.rec-header h1 {
  font-size: 22px;
  margin: 0;
  flex: 1 1 auto;
  min-width: 200px;
}
.rec-meta {
  color: var(--color-on-surface-variant);
  font-size: 13px;
  width: 100%;
}
.rec-status {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
}
.rec-status-recording {
  color: var(--color-error);
  animation: rec-pulse 1.6s ease-in-out infinite;
}
.rec-status-processing {
  color: var(--color-primary);
}
.rec-status-ready {
  color: #25d366;
}
.rec-status-failed {
  color: var(--color-error);
}
.rec-section {
  margin-bottom: 28px;
}
.rec-section h2 {
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--color-on-surface);
}
.rec-section video {
  width: 100%;
  max-height: 480px;
  border-radius: 12px;
  background: #000;
  display: block;
  margin-bottom: 12px;
}
.rec-markdown {
  line-height: 1.6;
  font-size: 15px;
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: 12px;
  padding: 16px 20px;
}
.rec-markdown p { margin: 0 0 10px; }
.rec-markdown p:last-child { margin-bottom: 0; }
.rec-markdown h3, .rec-markdown h4 { margin: 14px 0 6px; }
.rec-markdown ul { margin: 0 0 10px; padding-left: 22px; }
.rec-markdown li { margin: 2px 0; }
.rec-transcript {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: 12px;
  padding: 16px 20px;
  max-height: 420px;
  overflow-y: auto;
}
.rec-chat {
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: 12px;
  padding: 8px 16px;
  max-height: 420px;
  overflow-y: auto;
}
.rec-chat-row {
  display: grid;
  grid-template-columns: 140px 150px 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-outline-variant);
  font-size: 14px;
}
.rec-chat-row:last-child { border-bottom: none; }
.rec-chat-who { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rec-chat-when { color: var(--color-on-surface-variant); font-size: 12px; }
.rec-chat-text { color: var(--color-on-surface); word-wrap: break-word; }
.rec-chat-empty { color: var(--color-on-surface-variant); font-size: 14px; padding: 8px 0; }
.rec-error {
  margin-top: 8px;
  color: var(--color-error);
  font-size: 14px;
}
#rec-missing {
  max-width: 480px;
  margin: 80px auto;
  text-align: center;
  color: var(--color-on-surface);
}
#rec-missing p { font-size: 16px; margin-bottom: 20px; }

@media (max-width: 600px) {
  .rec-chat-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}