/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --fluent-blue: #0078d4;
  --fluent-blue-light: #2899f5;
  --fluent-blue-dark: #005a9e;
  --fluent-red: #c42b1c;
  --fluent-green: #13a10e;

  --primary-color: var(--fluent-blue);
  --primary-hover: var(--fluent-blue-dark);
  --secondary-color: #605e5c;
  --danger-color: var(--fluent-red);
  --danger-hover: #a52315;
  --success-color: var(--fluent-green);

  --bg-color: #f0f6fb;
  --card-bg: rgba(255, 255, 255, 0.78);
  --text-primary: #201f1e;
  --text-secondary: #605e5c;
  --border-color: #e1dfdd;
  --surface-hover: #f3f2f1;

  --page-gradient-from: #e8f4fd;
  --page-gradient-via: #f0f6fb;
  --page-gradient-to: #daeaf7;

  --acrylic-bg: rgba(255, 255, 255, 0.72);
  --acrylic-border: rgba(255, 255, 255, 0.65);
  --acrylic-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.9) inset;

  --room-chrome: rgba(32, 40, 52, 0.72);
  --room-chrome-border: rgba(255, 255, 255, 0.12);
  --room-chrome-blur: 18px;
  --room-controls-height: 72px;
  --room-control: rgba(255, 255, 255, 0.10);
  --room-control-hover: rgba(40, 153, 245, 0.22);
  --room-tile-bg: #2a3340;
  --room-label-bg: rgba(0, 0, 0, 0.45);
  --room-accent-soft: rgba(0, 120, 212, 0.28);
  --radius-control: 0.85rem;

  --shadow: 0 8px 28px rgba(0, 90, 158, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 90, 158, 0.12);
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  font-family: var(--font-family);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(40, 153, 245, 0.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(0, 120, 212, 0.12), transparent 55%),
    linear-gradient(160deg, var(--page-gradient-from), var(--page-gradient-via) 45%, var(--page-gradient-to));
  color: var(--text-primary);
  min-height: 100vh;
}

/* Home page styles */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  text-align: center;
  margin-bottom: 3rem;
}

header h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.home-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.card {
  background: var(--acrylic-bg);
  border: 1px solid var(--acrylic-border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--acrylic-shadow);
  width: 100%;
  max-width: 420px;
  backdrop-filter: blur(18px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-md);
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #38a1f7, #0078d4);
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 120, 212, 0.28);
}

.btn-primary:hover {
  transform: translateY(-1px) scale(1.01);
  background: linear-gradient(135deg, #2899f5, #005a9e);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.input-field {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.9);
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-bottom: 0.85rem;
}

.input-field:focus {
  outline: none;
  border-color: var(--fluent-blue);
  box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.home-main .btn,
.card .btn {
  width: 100%;
}

.divider {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 400px;
  color: var(--text-secondary);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border-color);
}

.divider span {
  padding: 0 1rem;
}

.error-message {
  background-color: #fce8e6;
  color: var(--danger-color);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.hidden {
  display: none !important;
}

footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Room page styles */
.room-container {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(900px 520px at 8% -8%, rgba(0, 120, 212, 0.22), transparent 55%),
    radial-gradient(700px 420px at 100% 0%, rgba(40, 153, 245, 0.12), transparent 50%),
    linear-gradient(180deg, #1b2430 0%, #121820 100%);
}

.room-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0.55rem 0.75rem 0;
  padding: 0.55rem 0.9rem;
  background: var(--room-chrome);
  backdrop-filter: blur(var(--room-chrome-blur));
  -webkit-backdrop-filter: blur(var(--room-chrome-blur));
  border: 1px solid var(--room-chrome-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28), 0 1px 0 rgba(255, 255, 255, 0.06) inset;
  color: white;
  flex: 0 0 auto;
  min-height: 0;
  z-index: 20;
}

.room-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.room-info h1 {
  font-size: 0.98rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.room-code {
  background: var(--room-accent-soft);
  border: 1px solid rgba(40, 153, 245, 0.35);
  color: #d7ecff;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 600;
}

.btn-icon {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-control);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
}

.btn-icon:hover {
  background-color: var(--room-control-hover);
}

.status {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.status.connecting {
  background-color: rgba(193, 156, 0, 0.22);
  border-color: rgba(193, 156, 0, 0.4);
  color: #ffe28a;
}

.status.connected {
  background-color: rgba(19, 161, 14, 0.22);
  border-color: rgba(19, 161, 14, 0.4);
  color: #9be79a;
}

.status.disconnected {
  background-color: rgba(196, 43, 28, 0.22);
  border-color: rgba(196, 43, 28, 0.4);
  color: #f6aea9;
}

/* Main room area */
.room-main {
  flex: 1;
  display: flex;
  overflow: hidden;
  margin: 0;
  padding: 0;
  position: relative;
  min-width: 0;
}

.video-area {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  position: relative;
  gap: 0;
  margin: 0;
  min-width: 0;
  min-height: 0;
  width: 100%;
  overflow: hidden;
}

body.is-screen-sharing-layout .video-area {
  padding: 0;
}

body.is-screen-sharing-layout .waiting-message {
  display: none !important;
}

.video-container {
  display: grid;
  gap: 0.75rem;
  width: 100%;
  max-width: none;
  justify-content: center;
  align-items: stretch;
  flex: 1;
  min-height: 0;
  margin: 0;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.video-container[data-participants="1"] {
  grid-template-columns: 1fr;
  justify-content: stretch;
}

.video-container[data-participants="2"] {
  grid-template-columns: repeat(2, minmax(240px, 1fr));
}

/* Screen share: cameras on top strip, shared screen fills the rest (no overlay) */
.video-container.has-screen-share {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  padding: 0.35rem;
  gap: 0.4rem;
  height: 100%;
  width: 100%;
  min-height: 0;
  box-sizing: border-box;
}

.video-container.has-screen-share > .participants-rail {
  display: flex;
  flex-direction: row;
  flex: 0 0 auto;
  align-items: stretch;
  order: -1;
  position: static;
  top: auto;
  right: auto;
  left: auto;
  bottom: auto;
  width: 100%;
  max-width: none;
  max-height: 108px;
  height: auto;
  gap: 0.45rem;
  overflow-x: auto;
  overflow-y: hidden;
  min-height: 0;
  padding: 0.35rem;
  border-radius: 12px;
  background: rgba(32, 33, 36, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  box-shadow: none;
  z-index: 2;
}

.video-container.has-screen-share > .video-wrapper.is-screen-share {
  position: static;
  inset: auto;
  order: 1;
  flex: 1 1 0;
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  background: #000;
  border: none;
  border-radius: 10px;
  box-shadow: none;
  z-index: 1;
}

.video-container.has-screen-share > .video-wrapper.is-screen-share video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.video-wrapper.remote-screen.is-awaiting-frames video {
  opacity: 0;
}

.video-wrapper.remote-screen.is-awaiting-frames::after {
  content: 'Cargando pantalla…';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  background: #1a1a1a;
  z-index: 2;
  pointer-events: none;
}

.video-wrapper.remote-screen.has-frames video {
  opacity: 1;
}

.participants-rail {
  display: none;
}

.video-container.has-screen-share .participants-rail .video-wrapper {
  flex: 0 0 160px;
  width: 160px;
  aspect-ratio: 16 / 9;
  max-height: 96px;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.video-container.has-screen-share .participants-rail .video-fullscreen-btn {
  width: 28px;
  height: 28px;
  bottom: 6px;
  right: 6px;
}

.video-container.has-screen-share .participants-rail .peer-master-controls {
  top: 6px;
  padding: 0.22rem 0.28rem;
  gap: 0.28rem;
}

.video-container.has-screen-share .participants-rail .peer-force-av-btn {
  width: 28px;
  height: 28px;
}

.video-container.has-screen-share .participants-rail .peer-force-av-btn svg {
  width: 13px;
  height: 13px;
}

.video-wrapper {
  position: relative;
  background-color: var(--room-tile-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  min-width: 0;
  aspect-ratio: 16/9;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.video-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.28) 0%, transparent 28%, transparent 70%, rgba(0, 0, 0, 0.38) 100%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.video-wrapper:hover,
.video-wrapper:focus-within {
  border-color: rgba(40, 153, 245, 0.45);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(40, 153, 245, 0.22);
}

.video-wrapper:hover::before,
.video-wrapper:focus-within::before {
  opacity: 1;
}

.video-wrapper.local:hover,
.video-wrapper.is-screen-share:hover {
  transform: none;
}

.video-container[data-participants="1"] .video-wrapper {
  aspect-ratio: auto;
  height: 100%;
  min-height: 0;
}

.video-wrapper.is-screen-share {
  aspect-ratio: auto;
  background: #000;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-wrapper.local video {
  transform: scaleX(-1);
}

.video-wrapper.local video.screen-share,
.video-wrapper.is-screen-share video {
  transform: none;
  object-fit: contain;
  background: #000;
}

.video-fullscreen-btn {
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 3;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(20, 28, 38, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(4px);
  transition: background-color 0.2s, opacity 0.2s, transform 0.2s, border-color 0.2s;
}

.video-wrapper:hover .video-fullscreen-btn,
.video-wrapper:focus-within .video-fullscreen-btn {
  opacity: 0.95;
  transform: translateY(0);
}

.video-fullscreen-btn:hover {
  background: rgba(0, 120, 212, 0.92);
  border-color: rgba(40, 153, 245, 0.55);
  opacity: 1;
}

.video-wrapper:fullscreen,
.video-wrapper:-webkit-full-screen {
  width: 100%;
  height: 100%;
  border-radius: 0;
  background: #000;
  aspect-ratio: auto;
}

.video-wrapper:fullscreen video,
.video-wrapper:-webkit-full-screen video {
  object-fit: contain;
  transform: none;
}

.video-label {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--room-label-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: white;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 550;
  z-index: 2;
}

.media-state-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  display: flex;
  gap: 0.35rem;
  pointer-events: none;
}

.media-badge {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 43, 28, 0.92);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.media-badge.hidden {
  display: none !important;
}

.transcription-area {
  /* Los subtítulos usan position:fixed y siempre son visibles en pantalla */
  /* Este contenedor solo sirve como ancla DOM - no ocupa espacio visual */
  height: 0;
  overflow: visible;
  padding: 0;
  margin: 0;
}

.transcription-container {
  width: 100%;
  position: relative;
}

.waiting-message {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 1rem;
  top: auto;
  transform: translateX(-50%);
  text-align: center;
  color: #fff;
  padding: 0.55rem 1rem;
  background: var(--room-chrome);
  backdrop-filter: blur(var(--room-chrome-blur));
  -webkit-backdrop-filter: blur(var(--room-chrome-blur));
  border: 1px solid var(--room-chrome-border);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  pointer-events: none;
  max-width: min(90%, 420px);
}

.waiting-message p {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 500;
}

.waiting-message .small {
  margin-top: 0.15rem;
  font-size: 0.75rem;
  opacity: 0.78;
  font-weight: 400;
}

/* Chat panel — overlays so closed chat does not reserve width */
.chat-panel {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  bottom: 0.5rem;
  width: min(350px, 92vw);
  background: rgba(28, 34, 44, 0.82);
  backdrop-filter: blur(var(--room-chrome-blur));
  -webkit-backdrop-filter: blur(var(--room-chrome-blur));
  display: flex;
  flex-direction: column;
  border: 1px solid var(--room-chrome-border);
  border-radius: var(--radius-xl);
  transform: translateX(calc(100% + 1rem));
  transition: transform 0.25s ease;
  z-index: 30;
  box-shadow: -8px 0 28px rgba(0, 0, 0, 0.35);
  pointer-events: none;
  overflow: hidden;
}

.chat-panel.open {
  transform: translateX(0);
  pointer-events: auto;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
}

.chat-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-message {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 14px;
  border-radius: 14px;
  max-width: 85%;
}

.chat-message.own {
  background: linear-gradient(135deg, var(--fluent-blue-light), var(--fluent-blue));
  border-color: transparent;
  align-self: flex-end;
}

.chat-message .sender {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 4px;
}

.chat-message.own .sender {
  color: rgba(255, 255, 255, 0.85);
}

.chat-message .text {
  color: white;
  word-wrap: break-word;
}

.chat-message .time {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
  text-align: right;
}

.chat-input-form {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input-form input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: white;
  font-size: 0.9rem;
}

.chat-input-form input:focus {
  outline: none;
  border-color: rgba(40, 153, 245, 0.55);
  background: rgba(255, 255, 255, 0.12);
}

.chat-input-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.btn-send {
  background: linear-gradient(135deg, var(--fluent-blue-light), var(--fluent-blue));
  color: white;
  border-radius: var(--radius-control);
}

.btn-send:hover {
  background: var(--fluent-blue-dark);
}

/* Controls — floating Meet-style dock */
.room-controls {
  --room-controls-height: 72px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.35rem auto 0.75rem;
  padding: 0.55rem 0.75rem calc(0.55rem + env(safe-area-inset-bottom));
  width: fit-content;
  max-width: calc(100% - 1.5rem);
  background: var(--room-chrome);
  backdrop-filter: blur(var(--room-chrome-blur));
  -webkit-backdrop-filter: blur(var(--room-chrome-blur));
  border: 1px solid var(--room-chrome-border);
  border-radius: 1.35rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255, 255, 255, 0.06) inset;
  z-index: 25;
}

/* Desktop: overflow children participate in the dock flex row */
.controls-overflow {
  display: contents;
}

.controls-more-btn {
  display: none;
}

.controls-separator {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.14);
  margin: 0 0.25rem;
}

.control-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-control);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--room-control);
  color: white;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s, transform 0.1s, border-color 0.2s;
  position: relative;
  flex: 0 0 auto;
}

.control-btn:hover {
  background: var(--room-control-hover);
  border-color: rgba(40, 153, 245, 0.35);
  transform: translateY(-1px);
}

.control-btn.active {
  background-color: var(--fluent-red);
  border-color: transparent;
}

.control-btn.btn-danger {
  background: linear-gradient(135deg, #e05a4c, var(--fluent-red));
  border-color: transparent;
  width: 64px;
  border-radius: 1.1rem;
}

.control-btn.btn-danger:hover {
  background: var(--danger-hover);
}

.badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--fluent-red);
  color: white;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.master-controls-group {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.4rem;
  border-radius: 999px;
  background: rgba(0, 120, 212, 0.16);
  border: 1px solid rgba(40, 153, 245, 0.28);
}

.master-controls-label {
  color: #9fd0ff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0 0.35rem;
}

.master-action-btn {
  border: none;
  border-radius: 999px;
  padding: 0.42rem 0.7rem;
  background: linear-gradient(135deg, var(--fluent-blue-light), var(--fluent-blue));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 650;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.25) inset;
}

.master-action-btn:hover {
  background: var(--fluent-blue-dark);
}

.control-btn.master-only {
  background: rgba(0, 120, 212, 0.88);
  border-color: rgba(255, 255, 255, 0.12);
}

.control-btn.master-only:hover {
  background: var(--fluent-blue-dark);
}

.peer-master-controls {
  position: absolute;
  top: 10px;
  left: 50%;
  right: auto;
  z-index: 4;
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  justify-content: center;
  align-items: center;
  max-width: none;
  padding: 0.35rem 0.4rem;
  border-radius: 999px;
  background: rgba(16, 22, 30, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.video-wrapper:hover .peer-master-controls:not(.hidden),
.video-wrapper:focus-within .peer-master-controls:not(.hidden) {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.peer-force-av-btn {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.peer-force-av-btn:hover {
  background: rgba(0, 120, 212, 0.92);
  border-color: rgba(40, 153, 245, 0.55);
  transform: translateY(-1px);
}

.peer-force-av-btn.is-off {
  background: rgba(196, 43, 28, 0.92);
  border-color: rgba(246, 174, 169, 0.35);
}

.peer-force-av-btn.is-off:hover {
  background: var(--danger-hover);
  border-color: rgba(246, 174, 169, 0.45);
}

.peer-master-controls.hidden,
.control-btn.hidden,
.master-controls-group.hidden,
.controls-separator.hidden {
  display: none !important;
}

.session-status {
  margin: 0 0 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  background: rgba(0, 120, 212, 0.1);
  border: 1px solid rgba(0, 120, 212, 0.2);
  color: var(--fluent-blue-dark);
  font-size: 0.875rem;
  font-weight: 600;
}

.join-card .btn-secondary {
  margin-top: 0.5rem;
}

.admin-link-wrap {
  margin-top: 1rem;
  text-align: center;
}

.admin-link-wrap a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.join-card {
  max-width: 420px;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  .card,
  .join-card {
    padding: 1.25rem;
    max-width: 100%;
  }

  header h1 {
    font-size: 1.8rem;
  }

  .room-container {
    min-height: 100dvh;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .room-header {
    margin: 0.4rem 0.5rem 0;
    padding: 0.5rem 0.65rem;
    gap: 0.45rem;
    flex-wrap: wrap;
    border-radius: 1rem;
  }

  .room-header h1 {
    font-size: 0.95rem;
  }

  .room-info h1 {
    font-size: 0.9rem;
  }

  .video-area {
    padding: 0.35rem 0.4rem;
  }

  .video-container {
    position: relative;
    grid-template-columns: 1fr;
    gap: 0.4rem;
    min-height: 0;
  }

  /* Local PiP when 2+ participants and no screen share */
  .video-container:not(.has-screen-share)[data-participants]:not([data-participants="0"]):not([data-participants="1"]) .video-wrapper.local {
    position: absolute;
    width: min(30vw, 118px);
    height: auto;
    aspect-ratio: 3 / 4;
    max-height: 160px;
    right: 0.55rem;
    bottom: 0.55rem;
    z-index: 12;
    order: 0;
    border-radius: 14px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.18);
    overflow: hidden;
  }

  .video-container:not(.has-screen-share)[data-participants]:not([data-participants="0"]):not([data-participants="1"]) .video-wrapper.local .video-label {
    font-size: 0.65rem;
    padding: 2px 6px;
  }

  .video-container.has-screen-share {
    flex-direction: column;
    padding: 0.2rem;
  }

  .video-container.has-screen-share > .video-wrapper.is-screen-share {
    position: static;
    flex: 1 1 0;
    min-height: 0;
  }

  .video-container.has-screen-share > .participants-rail {
    order: -1;
    position: static;
    top: auto;
    right: auto;
    left: auto;
    bottom: auto;
    width: 100%;
    max-width: none;
    max-height: 88px;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 0.35rem;
    -webkit-overflow-scrolling: touch;
  }

  .video-container.has-screen-share .participants-rail .video-wrapper {
    flex: 0 0 108px;
    width: 108px;
    max-height: 72px;
  }

  .video-container[data-participants="2"] {
    grid-template-columns: 1fr;
  }

  .video-wrapper.remote {
    order: 1;
    min-height: 0;
  }

  .chat-panel {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    z-index: 100;
    border-radius: 0;
    transform: translateY(105%);
  }

  .chat-panel.open {
    transform: translateY(0);
  }

  body.chat-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 90;
    pointer-events: auto;
  }

  .room-controls {
    gap: 0.35rem;
    margin: 0.2rem 0.45rem calc(0.35rem + env(safe-area-inset-bottom));
    padding: 0.4rem 0.5rem;
    flex-wrap: nowrap;
    max-width: calc(100% - 0.9rem);
    width: calc(100% - 0.9rem);
    justify-content: space-evenly;
    border-radius: 1.15rem;
  }

  .controls-more-btn {
    display: inline-flex;
  }

  .controls-overflow {
    display: none;
    position: absolute;
    left: 50%;
    bottom: calc(100% + 0.45rem);
    transform: translateX(-50%);
    width: min(96vw, 360px);
    padding: 0.55rem;
    gap: 0.4rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    background: var(--room-chrome);
    backdrop-filter: blur(var(--room-chrome-blur));
    -webkit-backdrop-filter: blur(var(--room-chrome-blur));
    border: 1px solid var(--room-chrome-border);
    border-radius: 1.1rem;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4);
    z-index: 30;
  }

  .room-controls.more-open .controls-overflow {
    display: flex;
  }

  .controls-overflow .controls-separator {
    display: none;
  }

  .controls-overflow .master-controls-group {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    border-radius: 1rem;
    padding: 0.35rem;
  }

  .controls-overflow .master-action-btn {
    font-size: 0.7rem;
    padding: 0.45rem 0.6rem;
  }

  .control-btn {
    width: 46px;
    height: 46px;
  }

  .control-btn.btn-danger {
    width: 56px;
  }

  .language-selector-btn {
    min-height: 44px;
  }

  .input-field {
    font-size: 16px; /* avoid iOS zoom */
  }
}

@media (hover: none), (pointer: coarse) {
  .peer-master-controls {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
  }

  .video-fullscreen-btn {
    opacity: 0.9;
    transform: none;
  }
}

@media (max-width: 480px) {
  .room-controls {
    gap: 0.28rem;
    padding: 0.35rem 0.4rem;
  }

  .control-btn {
    width: 44px;
    height: 44px;
  }

  .control-btn.btn-danger {
    width: 52px;
  }

  .video-container:not(.has-screen-share)[data-participants]:not([data-participants="0"]):not([data-participants="1"]) .video-wrapper.local {
    width: min(28vw, 104px);
    max-height: 140px;
  }
}

/* Scrollbar styles */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #292a2d;
}

::-webkit-scrollbar-thumb {
  background: #5f6368;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #80868b;
}

/* Recording button styles */
.control-btn.recording {
  background-color: var(--danger-color);
  animation: pulse-recording 1.5s ease-in-out infinite;
}

@keyframes pulse-recording {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(234, 67, 53, 0.7);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(234, 67, 53, 0);
  }
}

/* Recording indicator */
.recording-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(234, 67, 53, 0.9);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: white;
}

.recording-dot {
  width: 10px;
  height: 10px;
  background-color: white;
  border-radius: 50%;
  animation: blink-recording 1s ease-in-out infinite;
}

@keyframes blink-recording {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.recording-text {
  font-weight: 600;
  letter-spacing: 1px;
}

.recording-time {
  font-family: monospace;
  min-width: 45px;
}