:root {
  --bg: #07070c;
  --bg-elevated: rgba(255,255,255,0.05);
  --bg-elevated-2: rgba(255,255,255,0.085);
  --bg-rail: rgba(14,12,20,0.55);
  --border: rgba(255,255,255,0.1);
  --border-gold: rgba(212,175,122,0.35);
  --text: #f5f3ef;
  --text-muted: #948f9e;
  --accent-from: #8b5cf6;
  --accent-to: #ec4899;
  --accent: #a06bff;
  --gold: #d4af7a;
  --gold-soft: #e8cfa0;
  --danger: #ff4d6d;
  --danger-2: #ff8a65;
  --ok: #2fe3b8;
  --ok-2: #34d1f4;
  --radius: 20px;
  --radius-sm: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;
}

:root[data-theme="light"] {
  --bg: #f2f1fb;
  --bg-elevated: rgba(255,255,255,0.75);
  --bg-elevated-2: rgba(20,10,40,0.05);
  --border: rgba(20,10,40,0.08);
  --text: #15121f;
  --text-muted: #6b6480;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg: #f2f1fb;
    --bg-elevated: rgba(255,255,255,0.75);
    --bg-elevated-2: rgba(20,10,40,0.05);
    --border: rgba(20,10,40,0.08);
    --text: #15121f;
    --text-muted: #6b6480;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01" 1, "cv01" 1;
}

body::before, body::after {
  content: "";
  position: fixed;
  width: 55vmax;
  height: 55vmax;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.28;
  z-index: 0;
  pointer-events: none;
}
body::before {
  top: -18vmax;
  left: -14vmax;
  background: radial-gradient(circle, var(--accent-from), transparent 70%);
  animation: float-a 16s ease-in-out infinite;
}
body::after {
  bottom: -20vmax;
  right: -14vmax;
  background: radial-gradient(circle, var(--gold), transparent 72%);
  animation: float-b 18s ease-in-out infinite;
}

.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

@keyframes float-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(6vmax, 5vmax) scale(1.12); }
}
@keyframes float-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5vmax, -4vmax) scale(1.1); }
}

.screen {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

/* ---------- Buttons ---------- */

.btn {
  padding: 13px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), filter 0.18s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
  color: white;
  border: none;
  box-shadow: 0 8px 24px -6px color-mix(in srgb, var(--accent-from) 65%, transparent);
  flex: 1;
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 12px 30px -6px color-mix(in srgb, var(--accent-from) 75%, transparent); }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-primary:disabled { opacity: 0.55; cursor: default; transform: none; filter: none; }

.btn-ghost {
  background: var(--bg-elevated-2);
  color: var(--text);
  flex: 1;
  backdrop-filter: blur(16px);
}
.btn-ghost:hover { background: var(--bg-elevated); border-color: var(--accent); }
.btn-ghost:active { transform: scale(0.97); }

.btn-link {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 100%;
  margin-top: 18px;
  font-weight: 600;
}
.btn-link:hover { color: var(--accent); }

.btn-small { padding: 8px 14px; font-size: 12.5px; }

.hint { text-align: center; color: var(--text-muted); font-size: 12px; margin: 18px 0 0; }

.join-error {
  text-align: center;
  color: var(--danger);
  font-size: 12.5px;
  font-weight: 600;
  margin: 14px 0 0;
  animation: fade-up 0.2s ease both;
}

/* ---------- Landing ---------- */

#landing { align-items: center; justify-content: center; padding: 16px; }

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 86px;
  max-width: 1180px;
  width: 100%;
  padding: 0 24px;
}

.hero-copy { max-width: 440px; animation: fade-up 0.6s var(--ease) both; }

.brand { display: flex; align-items: center; gap: 14px; animation: drop-in 0.7s var(--ease) both; margin-bottom: 40px; }

.brand-mark {
  position: relative;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px -6px color-mix(in srgb, var(--accent-from) 70%, transparent);
}
.brand-mark span { font-weight: 900; font-size: 22px; color: white; font-family: var(--font-display); }
.brand-mark.small { width: 38px; height: 38px; border-radius: 12px; }
.brand-mark.small span { font-size: 16px; }

.brand-name {
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--gold-soft), var(--accent-to) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-kicker {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-soft);
  border: 1px solid var(--border-gold);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

.hero-desc {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 30px;
  max-width: 400px;
}

.hero-points { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.hero-points li { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--text); font-weight: 500; }
.hero-point-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-soft), var(--accent-to));
  flex-shrink: 0;
  box-shadow: 0 0 10px color-mix(in srgb, var(--gold) 70%, transparent);
}

.auth-card {
  background: var(--bg-elevated);
  backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px -16px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.04);
  padding: 36px;
  width: 100%;
  max-width: 400px;
  flex-shrink: 0;
  animation: pop-in 0.5s var(--ease) both;
  animation-delay: 0.08s;
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 26px;
  text-align: center;
  color: var(--text);
  font-weight: 600;
}

@media (max-width: 980px) {
  .hero { flex-direction: column; gap: 44px; }
  .hero-copy { text-align: center; max-width: 480px; }
  .brand { justify-content: center; }
  .hero-points { align-items: center; }
  .hero-title { font-size: 40px; }
}

.auth-card label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-muted); margin-bottom: 16px; }

.auth-card input, .modal select, .modal input[type="text"] {
  width: 100%;
  margin-top: 7px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.auth-card input:focus, .modal select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.auth-actions { display: flex; gap: 10px; margin-top: 6px; }

/* ---------- Room ---------- */

.room-layout { flex: 1; display: flex; overflow: hidden; }

.side-rail {
  width: 272px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 22px 16px;
  background: var(--bg-rail);
  backdrop-filter: blur(28px) saturate(140%);
  border-right: 1px solid var(--border-gold);
}

.rail-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 0 6px; }
.rail-brand-name { font-family: var(--font-display); font-weight: 600; font-size: 16px; letter-spacing: -0.005em; color: var(--gold-soft); }

.rail-room-card {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.rail-room-name { font-weight: 700; font-size: 14px; letter-spacing: -0.01em; }
.rail-room-sub { font-size: 11px; color: var(--text-muted); font-weight: 500; margin-top: 3px; letter-spacing: 0.01em; }

.rail-action {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  margin-bottom: 6px;
  transition: background 0.15s, border-color 0.15s, transform 0.15s var(--ease);
}
.rail-action-icon { font-size: 15px; width: 18px; text-align: center; }
.rail-action:hover { background: var(--bg-elevated-2); border-color: var(--border-gold); }
.rail-action:active { transform: scale(0.98); }
.rail-action.active {
  background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
  color: white;
  border-color: transparent;
}
.rail-action-primary {
  background: linear-gradient(135deg, var(--gold-soft), var(--accent-to) 85%);
  color: #1a1410;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--gold) 70%, transparent);
}
.rail-action-primary:hover { filter: brightness(1.06); }
.rail-action-danger { color: var(--danger); }
.rail-action-danger:hover { background: rgba(255,77,109,0.12); border-color: var(--danger); }

.rail-divider { height: 1px; background: var(--border); margin: 14px 2px; }

.rail-section-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
  padding: 0 6px;
  margin-bottom: 10px;
}

.rail-members { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.rail-member { display: flex; flex-direction: column; gap: 4px; padding: 7px 6px; border-radius: 10px; }
.rail-member:hover { background: var(--bg-elevated-2); }
.rail-member-main { display: flex; align-items: center; gap: 10px; }
.rail-member-avatar { width: 26px; height: 26px; border-radius: 50%; overflow: hidden; flex-shrink: 0; position: relative; }
.rail-member-avatar svg { width: 100%; height: 100%; display: block; }
.rail-member-avatar.speaking { box-shadow: 0 0 0 2px var(--ok); }
.rail-member-name { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.rail-member-muted { font-size: 11px; opacity: 0.6; }

.rail-member-volume-row { display: flex; align-items: center; gap: 6px; padding-left: 36px; }
.rail-member-volume-icon { font-size: 10px; opacity: 0.6; flex-shrink: 0; }
.rail-member-volume { flex: 1; accent-color: var(--accent); cursor: pointer; height: 3px; }
.rail-member-volume-value { font-size: 10px; color: var(--text-muted); font-weight: 600; width: 30px; text-align: right; flex-shrink: 0; }

.rail-spacer { flex: 1; }

.rail-controls { display: flex; gap: 6px; margin: 14px 0 10px; }
.rail-control {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text);
  cursor: pointer;
  font-size: 10px;
  font-weight: 600;
  transition: transform 0.15s var(--ease), background 0.15s, box-shadow 0.15s;
}
.rail-control .ctrl-icon { font-size: 17px; }
.rail-control:hover { transform: translateY(-2px); border-color: var(--border-gold); }
.rail-control:active { transform: scale(0.95); }
.rail-control.active-off { background: linear-gradient(135deg, var(--danger), var(--danger-2)); color: white; border-color: transparent; }
.rail-control.ptt-active {
  background: linear-gradient(135deg, var(--ok), var(--ok-2));
  color: #04201a;
  border-color: transparent;
  box-shadow: 0 0 20px -4px var(--ok);
  animation: speak-pulse 0.7s ease-in-out infinite;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text);
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s var(--ease), background 0.15s, border-color 0.15s;
}
.icon-btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.icon-btn:active { transform: scale(0.94); }

.room-main { flex: 1; display: flex; overflow: hidden; }

.peers-wrap { flex: 1; overflow-y: auto; padding: 24px; }

.peers { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }

.peer {
  background: var(--bg-elevated);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 10px 18px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s var(--ease);
  animation: pop-in 0.4s var(--ease) both;
}
.peer:hover { transform: translateY(-3px); }

.peer.speaking {
  border-color: var(--ok);
  box-shadow: 0 0 0 1px var(--ok), 0 0 28px -4px var(--ok);
}

.avatar {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  margin: 0 auto 10px;
  overflow: hidden;
  box-shadow: 0 0 0 2px var(--bg-elevated), 0 2px 10px rgba(0,0,0,0.25);
}
.avatar svg { width: 100%; height: 100%; display: block; }

.chat-avatar { display: inline-flex; width: 20px; height: 20px; border-radius: 50%; overflow: hidden; vertical-align: middle; margin-right: 6px; }
.chat-avatar svg { width: 100%; height: 100%; display: block; }

.peer.speaking .avatar { animation: speak-pulse 1s ease-in-out infinite; }

.peer-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.peer-badges { position: absolute; bottom: 10px; right: 10px; display: flex; gap: 4px; }

.peer-badge {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--danger);
  color: white;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.chat-panel {
  width: 320px;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  backdrop-filter: blur(24px);
  flex-shrink: 0;
  animation: slide-in-right 0.3s var(--ease) both;
}

.chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 11px; }

.chat-msg { font-size: 13px; line-height: 1.45; animation: fade-up 0.25s var(--ease) both; }
.chat-msg .who { font-weight: 800; margin-right: 6px; }
.chat-msg .when { color: var(--text-muted); font-size: 10.5px; margin-left: 6px; }
.chat-msg .body { color: var(--text); word-break: break-word; }
.chat-msg.system { color: var(--text-muted); font-style: italic; }

.chat-form { display: flex; gap: 8px; padding: 14px; border-top: 1px solid var(--border); }

.chat-form input {
  flex: 1;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text);
  font-size: 13px;
}
.chat-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,5,10,0.55);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
  animation: fade-up 0.18s ease both;
}

.modal {
  background: var(--bg-elevated);
  backdrop-filter: blur(30px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 30px 70px -18px rgba(0,0,0,0.6);
  width: 100%;
  max-width: 460px;
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  animation: pop-in 0.35s var(--ease) both;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 18px; font-weight: 600; font-family: var(--font-display); }

.modal-body { padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 26px; }

.settings-group h3 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 14px;
  font-weight: 700;
}

.settings-group label { display: block; font-size: 13px; margin-bottom: 13px; font-weight: 500; }

.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.toggle-row input[type="checkbox"] { width: 40px; height: 24px; accent-color: var(--accent); cursor: pointer; }

.slider-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 10px; font-size: 12.5px; font-weight: 500; margin-bottom: 16px; }
.slider-row input[type="range"] { grid-column: 1 / -1; width: 100%; accent-color: var(--accent); cursor: pointer; }
.slider-value { color: var(--accent); font-weight: 800; justify-self: end; }

.mic-meter-row { font-size: 12px; font-weight: 500; color: var(--text-muted); margin-top: 12px; }
.mic-meter { margin-top: 7px; height: 8px; border-radius: 4px; background: var(--bg-elevated-2); overflow: hidden; }
.mic-meter-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--ok), var(--ok-2)); transition: width 0.05s linear; }

.test-row { display: flex; gap: 8px; margin-top: 14px; }
.test-row .btn { flex: 1; }
.test-status {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin: 10px 0 0;
  animation: fade-up 0.2s ease both;
}

.theme-row { display: flex; gap: 8px; }
.theme-btn {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s var(--ease), background 0.12s, border-color 0.12s;
}
.theme-btn:hover { border-color: var(--accent); }
.theme-btn:active { transform: scale(0.96); }
.theme-btn.active { background: linear-gradient(135deg, var(--accent-from), var(--accent-to)); color: white; border-color: transparent; }

.swatch-row { display: flex; gap: 12px; flex-wrap: wrap; }
.swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: transform 0.15s var(--ease), box-shadow 0.15s;
}
.swatch:hover { transform: scale(1.12); }
.swatch.active { box-shadow: 0 0 0 2px var(--bg-elevated), 0 0 0 4px var(--text); }

.shortcut-row { display: flex; align-items: center; gap: 12px; margin-bottom: 11px; font-size: 13px; color: var(--text-muted); font-weight: 500; }
.shortcut-row kbd {
  min-width: 30px;
  text-align: center;
  padding: 5px 9px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text);
  font-weight: 700;
  font-size: 12px;
}

/* ---------- Animations ---------- */

@keyframes pop-in {
  from { opacity: 0; transform: scale(0.9) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes drop-in {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes speak-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 55%, transparent); }
  50% { box-shadow: 0 0 0 8px transparent; }
}

@media (max-width: 900px) {
  .side-rail { width: 210px; padding: 16px 10px; }
  .rail-action span.rail-action-icon { font-size: 14px; }
}

@media (max-width: 720px) {
  .room-layout { flex-direction: column; }
  .side-rail {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border-right: none;
    border-bottom: 1px solid var(--border-gold);
  }
  .rail-brand, .rail-room-card, .rail-divider, .rail-section-label, .rail-members, .rail-spacer { display: none; }
  .rail-action { width: auto; margin-bottom: 0; padding: 8px 10px; font-size: 12px; }
  .rail-controls { margin: 0; gap: 4px; }
  .rail-control { flex: none; width: 46px; padding: 6px 2px; }
  .rail-control .ctrl-label { display: none; }
  .chat-panel { position: fixed; inset: 0; width: 100%; z-index: 20; }
}