/* ================================================
   SPOTIFY LISTENING PARTY - FUTURISTIC UI
   ================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #06060e;
  --bg-gradient: linear-gradient(135deg, #06060e 0%, #0a0e1a 30%, #0d0a1a 60%, #06060e 100%);
  --surface: rgba(255, 255, 255, 0.03);
  --surface-solid: #0e0e1c;
  --surface-light: rgba(255, 255, 255, 0.06);
  --surface-border: rgba(255, 255, 255, 0.06);
  --glass: rgba(12, 12, 30, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --green: #00ff88;
  --green-hover: #33ffaa;
  --green-glow: rgba(0, 255, 136, 0.25);
  --green-subtle: rgba(0, 255, 136, 0.08);
  --green-dim: rgba(0, 255, 136, 0.5);
  --blue: #5b8def;
  --blue-hover: #7aa5ff;
  --blue-glow: rgba(91, 141, 239, 0.25);
  --cyan: #00e5ff;
  --cyan-glow: rgba(0, 229, 255, 0.2);
  --accent: #b44aff;
  --accent-glow: rgba(180, 74, 255, 0.2);
  --text: #e8eaf0;
  --text-muted: #555577;
  --text-secondary: #9a9abc;
  --danger: #ff3355;
  --danger-glow: rgba(255, 51, 85, 0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 80px rgba(0, 0, 0, 0.6);
  --shadow-glow-green: 0 0 40px rgba(0, 255, 136, 0.12);
  --shadow-neon: 0 0 60px rgba(0, 255, 136, 0.08), 0 0 120px rgba(0, 255, 136, 0.04);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  background-image: var(--bg-gradient);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---- Animated background mesh ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 20% 20%, rgba(0,255,136,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 600px 800px at 80% 80%, rgba(91,141,239,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 500px 500px at 50% 50%, rgba(180,74,255,0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: mesh-drift 20s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes mesh-drift {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* ---- Noise texture overlay ---- */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px;
  contain: strict;
}

/* ---- Faint grid lines ---- */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.015;
  background-image:
    linear-gradient(rgba(0,255,136,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,136,0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, black 20%, transparent 70%);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 136, 0.12);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 255, 136, 0.25);
}

/* ---- Screens ---- */
.screen {
  display: none;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}
.screen.active {
  display: flex;
  animation: screen-enter 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes screen-enter {
  from { opacity: 0; transform: translateY(20px) scale(0.98); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

/* ================================================
   COMMON ELEMENTS
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: 1px solid transparent;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition), opacity var(--transition);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn:active { transform: scale(0.95); }

.btn-green {
  background: linear-gradient(135deg, var(--green) 0%, #00cc6a 100%);
  color: #000;
  font-weight: 700;
  border: 1px solid var(--green);
  box-shadow: 0 0 20px var(--green-glow), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-green:hover {
  box-shadow: 0 0 40px var(--green-glow), 0 0 80px rgba(0,255,136,0.1);
  transform: translateY(-2px);
  text-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.btn-glow {
  animation: btn-neon-pulse 3s ease-in-out infinite;
}
@keyframes btn-neon-pulse {
  0%, 100% { box-shadow: 0 0 20px var(--green-glow), inset 0 1px 0 rgba(255,255,255,0.2); }
  50% { box-shadow: 0 0 40px var(--green-glow), 0 0 80px rgba(0,255,136,0.08), inset 0 1px 0 rgba(255,255,255,0.2); }
}

.btn-large {
  padding: 16px 48px;
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.btn-small {
  padding: 7px 16px;
  font-size: 0.72rem;
  margin: 6px 0;
  letter-spacing: 0.06em;
}

.hint-small {
  color: var(--text-muted);
  font-size: 0.72rem;
  margin-top: 16px !important;
  opacity: 0.5;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.btn-blue {
  background: linear-gradient(135deg, var(--blue) 0%, #4070dd 100%);
  color: #fff;
  border: 1px solid rgba(91, 141, 239, 0.4);
  box-shadow: 0 0 20px var(--blue-glow);
}
.btn-blue:hover {
  box-shadow: 0 0 40px var(--blue-glow);
  transform: translateY(-2px);
}

input[type="text"],
input[type="password"] {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 12px 16px;
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--green-dim);
  box-shadow: 0 0 0 3px var(--green-subtle), 0 0 20px var(--green-subtle);
  background: rgba(0, 255, 136, 0.02);
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

/* ================================================
   CARDS - Animated gradient border
   ================================================ */

.glow-border-wrapper {
  position: relative;
  padding: 1px;
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 92%;
  margin: auto;
  overflow: hidden;
}

.glow-border-wrapper::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg,
    transparent 0%,
    var(--green) 10%,
    transparent 20%,
    var(--blue) 45%,
    transparent 55%,
    var(--accent) 75%,
    transparent 85%,
    var(--green) 95%,
    transparent 100%
  );
  animation: border-spin 6s linear infinite;
  z-index: -1;
}

@keyframes border-spin {
  to { transform: rotate(360deg); }
}

.card {
  background: rgba(8, 8, 20, 0.95);
  border-radius: var(--radius-xl);
  padding: 52px 48px;
  position: relative;
  overflow: hidden;
}

.card-scanline {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 136, 0.01) 2px,
    rgba(0, 255, 136, 0.01) 4px
  );
  z-index: 1;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--green-dim) 50%, transparent 100%);
}

.center-card {
  text-align: center;
}

/* ---- Holographic text ---- */
.holo-text {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 0%, var(--green) 40%, var(--cyan) 60%, #fff 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: holo-shift 4s ease-in-out infinite;
  text-shadow: none;
  position: relative;
  z-index: 2;
}

.holo-text-sm {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text) 0%, var(--green) 50%, var(--cyan) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: holo-shift 5s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

@keyframes holo-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
  font-size: 0.92rem;
  position: relative;
  z-index: 2;
}

/* ================================================
   LOGIN
   ================================================ */

#login-screen {
  align-items: center;
  justify-content: center;
}

/* ================================================
   LOBBY
   ================================================ */

#lobby-screen {
  align-items: center;
  justify-content: center;
}

#lobby-screen .glow-border-wrapper {
  max-width: 520px;
}

#lobby-screen .card {
  padding: 44px 40px 40px;
}

.user-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
  padding: 10px 22px;
  background: rgba(0,255,136, 0.03);
  border-radius: 50px;
  border: 1px solid rgba(0,255,136,0.08);
  position: relative;
  z-index: 2;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--green);
  box-shadow: 0 0 10px var(--green-glow);
}

.lobby-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  z-index: 2;
  width: 100%;
}

/* ---- Lobby option rows ---- */
.lobby-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition);
}
.lobby-option:hover {
  background: rgba(0,255,136,0.03);
  border-color: rgba(0,255,136,0.1);
}

.lobby-option-icon {
  font-size: 1.6rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,255,136,0.05);
  border-radius: 12px;
  flex-shrink: 0;
}

.lobby-option-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: left;
  min-width: 0;
}

.lobby-option-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.lobby-option-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.lobby-option .btn {
  flex-shrink: 0;
}

/* ---- Lobby divider ---- */
.lobby-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 4px 0;
}
.lobby-divider::before,
.lobby-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}
.lobby-divider span {
  color: var(--text-muted);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.join-row {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.join-row input {
  flex: 1;
  text-align: center;
  font-size: 1.05rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ================================================
   ROOM LAYOUT
   ================================================ */

#room-screen { display: none; }
#room-screen.active { display: block; height: 100vh; overflow: hidden; animation: screen-enter 0.5s cubic-bezier(0.16, 1, 0.3, 1); }

.room-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ---- Sidebar ---- */
.sidebar {
  width: 320px;
  background: rgba(6, 6, 16, 0.95);
  padding: 24px;
  border-right: 1px solid rgba(0, 255, 136, 0.06);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  contain: content;
}

.sidebar::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--green-dim) 30%, var(--accent) 70%, transparent 100%);
  opacity: 0.15;
}

.sidebar h3 {
  font-size: 0.88rem;
  margin-bottom: 4px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--green);
  letter-spacing: 0.05em;
}

/* ---- Room Header Card ---- */
.room-header-card {
  background: rgba(0, 255, 136, 0.03);
  border: 1px solid rgba(0, 255, 136, 0.08);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 18px;
}

.room-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.room-code-block {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.room-code-label {
  font-size: 0.58rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-family: var(--font-mono);
  font-weight: 600;
}

.room-code-value {
  font-size: 1.3rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--green);
  letter-spacing: 4px;
  text-shadow: 0 0 20px var(--green-glow);
}

.room-share-row {
  display: flex;
  gap: 6px;
}

.room-share-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.68rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.room-share-btn:hover {
  background: rgba(0, 255, 136, 0.06);
  border-color: rgba(0, 255, 136, 0.15);
  color: var(--green);
  box-shadow: 0 0 16px var(--green-glow);
}

.sidebar .hint {
  color: var(--text-muted);
  font-size: 0.72rem;
  margin-bottom: 20px;
  line-height: 1.5;
  font-family: var(--font-mono);
}

.sidebar h4 {
  color: var(--text-muted);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.btn-icon {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  color: var(--text-muted);
}
.btn-icon:hover {
  background: var(--surface-light);
  color: var(--text);
}

/* ---- Member list ---- */
#member-list { list-style: none; }

#member-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), border-color var(--transition-fast);
  border: 1px solid transparent;
}

#member-list li:hover {
  background: rgba(0,255,136,0.03);
  border-color: rgba(0,255,136,0.06);
}

#member-list li .member-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface-light);
  border: 1.5px solid rgba(255,255,255,0.1);
}

.host-badge {
  background: linear-gradient(135deg, var(--green), #00cc6a);
  color: #000;
  font-size: 0.55rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 0 12px var(--green-glow);
  font-family: var(--font-mono);
}

/* ---- Chat ---- */
.chat-section {
  margin-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 10px;
  font-size: 0.8rem;
  padding-right: 4px;
  contain: content;
}

.chat-msg {
  padding: 5px 10px;
  margin-bottom: 3px;
  word-break: break-word;
  border-radius: 8px;
  transition: background var(--transition-fast);
  border-left: 2px solid transparent;
}

.chat-msg:hover {
  background: rgba(0,255,136,0.02);
  border-left-color: rgba(0,255,136,0.2);
}

.chat-msg strong {
  color: var(--green);
  margin-right: 6px;
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.chat-input-row {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}
.chat-input-row input {
  flex: 1;
  padding: 9px 14px;
  font-size: 0.8rem;
  border-radius: 50px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,255,136,0.08);
}
.chat-input-row .btn-icon { font-size: 1rem; }

/* ================================================
   MAIN CONTENT
   ================================================ */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 20px 40px;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ---- Album background ---- */
.album-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0;
  transition: opacity 2s ease;
  filter: blur(120px) saturate(1.8) brightness(0.6);
  will-change: opacity;
}
.album-bg.active { opacity: 0.15; }

/* ---- Device Warning ---- */
.device-warning {
  background: rgba(255, 51, 85, 0.05);
  border: 1px solid rgba(255, 51, 85, 0.15);
  border-radius: var(--radius);
  padding: 18px 24px;
  margin-bottom: 24px;
  text-align: center;
  width: 100%;
  max-width: 560px;
}
.device-warning p {
  color: #fbbf24;
  font-size: 0.82rem;
  margin-bottom: 12px;
  line-height: 1.5;
  font-family: var(--font-mono);
}
.device-warning.hidden { display: none; }

/* ================================================
   NOW PLAYING - Futuristic Player
   ================================================ */

.now-playing {
  width: 100%;
  max-width: 560px;
}

.np-placeholder {
  text-align: center;
  color: var(--text-muted);
  padding: 80px 0;
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

.np-content { text-align: center; }
.np-content.hidden { display: none; }

.album-art {
  width: 320px;
  height: 320px;
  border-radius: 20px;
  margin-bottom: 32px;
  position: relative;
  transition: transform var(--transition-slow);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255,255,255,0.05),
    var(--shadow-neon);
  animation: album-float 6s ease-in-out infinite;
}

.album-art:hover {
  transform: scale(1.03) rotateY(2deg);
}

@keyframes album-float {
  0%, 100% {
    box-shadow:
      0 20px 60px rgba(0,0,0,0.6),
      0 0 0 1px rgba(255,255,255,0.05),
      0 0 40px rgba(0,255,136,0.04);
  }
  50% {
    box-shadow:
      0 30px 70px rgba(0,0,0,0.6),
      0 0 0 1px rgba(255,255,255,0.08),
      0 0 80px rgba(0,255,136,0.08),
      0 0 120px rgba(91,141,239,0.04);
  }
}

.np-info h2 {
  font-size: 1.5rem;
  margin-bottom: 6px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.np-info p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.88rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---- Progress bar ---- */
.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
  overflow: visible;
  margin-bottom: 8px;
  cursor: pointer;
  transition: height var(--transition-fast);
  position: relative;
}
.progress-bar:hover { height: 6px; }

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  width: 0%;
  transition: width 1s linear;
  border-radius: 10px;
  position: relative;
  box-shadow: 0 0 12px var(--green-glow);
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%) scale(0);
  width: 14px;
  height: 14px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--green-glow), 0 0 24px var(--green-subtle);
  transition: transform var(--transition-fast);
}

.progress-bar:hover .progress-fill::after {
  transform: translateY(-50%) scale(1);
}

.time-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

/* ---- Playback Controls ---- */
.playback-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}

.playback-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-secondary);
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
  line-height: 1;
  text-align: center;
  padding: 0;
}
.playback-btn:hover {
  color: var(--green);
  border-color: var(--green);
  background: rgba(0,255,136,0.06);
  box-shadow: 0 0 14px var(--green-glow);
}

.playback-btn-main {
  width: 50px;
  height: 50px;
  font-size: 1.35rem;
  background: rgba(0,255,136,0.08);
  border-color: rgba(0,255,136,0.15);
  color: var(--green);
  line-height: 1;
  padding: 0;
}
.playback-btn-main:hover {
  background: var(--green);
  color: #000;
  box-shadow: 0 0 24px var(--green-glow);
}

/* ================================================
   HOST / SYNC / SKIP
   ================================================ */

.host-controls {
  margin-top: 20px;
  text-align: center;
}
.host-controls.hidden { display: none; }

.host-controls .hint {
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 12px 24px;
  background: rgba(0,255,136,0.03);
  border-radius: 50px;
  border: 1px solid rgba(0,255,136,0.08);
  display: inline-block;
  font-family: var(--font-mono);
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 8px 18px;
  background: rgba(0,0,0,0.3);
  border-radius: 50px;
  border: 1px solid var(--surface-border);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 10px var(--danger-glow);
  transition: background var(--transition), box-shadow var(--transition);
}
.indicator.connected {
  background: var(--green);
  box-shadow: 0 0 12px var(--green-glow);
}
.indicator.syncing {
  background: #fbbf24;
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.3);
  animation: indicator-pulse 1.2s ease-in-out infinite;
}

@keyframes indicator-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.skip-section {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.btn-skip {
  background: rgba(255,255,255,0.03);
  color: var(--text-secondary);
  border: 1px solid var(--surface-border);
}
.btn-skip:hover {
  background: rgba(0,255,136,0.05);
  border-color: rgba(0,255,136,0.15);
  color: var(--green);
}

.skip-status {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ================================================
   REACTIONS
   ================================================ */

.reactions-bar {
  display: flex;
  gap: 8px;
  margin-top: 24px;
  justify-content: center;
}

.reaction-btn {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  width: 50px;
  height: 50px;
  font-size: 1.3rem;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.reaction-btn:hover {
  transform: scale(1.2) translateY(-6px);
  background: rgba(0,255,136,0.06);
  border-color: rgba(0,255,136,0.15);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 20px var(--green-subtle);
}

.reaction-btn:active { transform: scale(0.85); }

#floating-reactions {
  position: fixed;
  bottom: 100px;
  left: 0;
  right: 0;
  pointer-events: none;
  z-index: 999;
}

.floating-reaction {
  position: absolute;
  font-size: 2.8rem;
  animation: float-up 2.8s ease-out forwards;
  opacity: 0;
  filter: drop-shadow(0 0 12px rgba(0,255,136,0.2));
}

@keyframes float-up {
  0% { transform: translateY(0) scale(0.3) rotate(0deg); opacity: 1; }
  25% { transform: translateY(-80px) scale(1.3) rotate(-10deg); opacity: 1; }
  100% { transform: translateY(-300px) scale(0.6) rotate(15deg); opacity: 0; }
}

/* ================================================
   SUGGESTIONS / SEARCH
   ================================================ */

.suggestions-section {
  width: 100%;
  max-width: 700px;
  margin-bottom: 40px;
  position: relative;
  z-index: 5;
}

.auto-dj-section h4 {
  color: var(--text-muted);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 14px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.suggest-row {
  display: flex;
  gap: 8px;
  margin-bottom: 0;
  margin-top: 0;
}
.suggest-row input {
  flex: 1;
  padding: 12px 18px;
  font-size: 0.88rem;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,255,136,0.08);
  border-radius: 50px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.suggest-row input:focus {
  border-color: var(--green);
  box-shadow: 0 0 20px var(--green-glow);
  background: rgba(0,0,0,0.6);
}
.suggest-row .btn {
  border-radius: 50px;
  padding: 10px 20px;
}

.search-results {
  list-style: none;
  margin: 0;
  padding: 0;
}
.search-results.hidden { display: none; }

.search-results {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: rgba(6, 6, 16, 0.97);
  border: 1px solid rgba(0,255,136,0.1);
  border-radius: var(--radius);
  margin-top: 6px;
  max-height: 300px;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background var(--transition-fast);
}

.search-result-item:last-child { border-bottom: none; }

.search-result-item:hover {
  background: rgba(0,255,136,0.03);
}

.search-thumb {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.search-info { flex: 1; min-width: 0; }

.search-track {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-artist {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
  font-family: var(--font-mono);
}

/* ---- Votes ---- */
.vote-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-left: auto;
  flex-shrink: 0;
}

.vote-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 6px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  border-radius: 4px;
  line-height: 1;
}
.vote-btn:hover { color: var(--text); }
.vote-btn.active-up { color: var(--green); text-shadow: 0 0 8px var(--green-glow); }
.vote-btn.active-down { color: var(--danger); }

.vote-count {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  min-width: 16px;
  text-align: center;
  font-family: var(--font-mono);
}

/* ================================================
   RIGHT PANEL — Queue + History (collapsible)
   ================================================ */

.right-panel {
  width: 300px;
  background: rgba(6, 6, 16, 0.95);
  border-left: 1px solid rgba(0, 255, 136, 0.06);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: width var(--transition);
  overflow: hidden;
  contain: content;
}

.right-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--green-dim) 30%, var(--accent) 70%, transparent 100%);
  opacity: 0.15;
}

.right-panel.collapsed {
  width: 48px;
}

.panel-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 12px;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  cursor: pointer;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  width: 100%;
  white-space: nowrap;
}
.panel-toggle:hover {
  background: rgba(0,255,136,0.03);
  color: var(--green);
}

.panel-toggle-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.panel-toggle-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: var(--font-mono);
  overflow: hidden;
}

.collapsed .panel-toggle-label {
  opacity: 0;
  width: 0;
}

.panel-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity var(--transition);
}

.collapsed .panel-content {
  opacity: 0;
  pointer-events: none;
}

/* ---- Queue Section ---- */
.queue-section {
  padding: 16px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  flex-shrink: 0;
  max-height: 45%;
  overflow-y: auto;
  contain: content;
}

.queue-section h4,
.history-section h4 {
  color: var(--text-muted);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 10px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.suggestion-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  padding: 8px 10px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.suggestion-item:hover {
  border-color: rgba(0,255,136,0.1);
  background: rgba(0,255,136,0.02);
}

.suggestion-item .search-thumb {
  width: 34px;
  height: 34px;
  border-radius: 6px;
}

.suggestion-item .search-track {
  font-size: 0.76rem;
}
.suggestion-item .search-artist {
  font-size: 0.62rem;
}

.suggestion-item .vote-controls {
  margin-left: auto;
}

/* ---- History Section ---- */
.history-section {
  padding: 16px 14px;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  contain: content;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  transition: opacity var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  opacity: 0.6;
  border: 1px solid transparent;
  margin-bottom: 2px;
}
.history-item:hover {
  opacity: 1;
  background: rgba(0,255,136,0.02);
  border-color: rgba(0,255,136,0.06);
}

.history-item img {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.history-info { flex: 1; min-width: 0; }
.history-track {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  font-size: 0.78rem;
}
.history-artist {
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  font-family: var(--font-mono);
}

/* ================================================
   AUTO-DJ
   ================================================ */

.auto-dj-section {
  width: 100%;
  max-width: 560px;
  margin-top: 24px;
}
.auto-dj-section.hidden { display: none; }

.auto-dj-list { list-style: none; margin: 0; padding: 0; }

.auto-dj-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  margin-bottom: 5px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.auto-dj-item:hover {
  background: rgba(0,255,136,0.03);
  border-color: rgba(0,255,136,0.08);
}
.auto-dj-item img {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
}

/* ================================================
   MODALS
   ================================================ */

.qr-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
  animation: modal-enter 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.qr-modal.hidden { display: none; }

@keyframes modal-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

.qr-modal-content {
  background: var(--surface-solid);
  border: 1px solid rgba(0,255,136,0.1);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(0,255,136,0.05);
}
.qr-modal-content canvas {
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.qr-hint {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

/* ---- Modal overlay (password, stats) ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1002;
  animation: modal-enter 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.hidden { display: none; }

.modal-card {
  background: rgba(10, 10, 24, 0.95);
  border: 1px solid rgba(0,255,136,0.1);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(0,255,136,0.04);
  max-width: 420px;
  width: 90%;
  position: relative;
  overflow: hidden;
}

.modal-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
}

.modal-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff, var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.modal-card p {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.modal-card input[type="password"] {
  width: 100%;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}

/* ================================================
   TOAST
   ================================================ */

#toast-container {
  position: fixed;
  bottom: 80px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

.toast {
  background: rgba(6, 6, 16, 0.95);
  color: var(--text);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--surface-border);
  animation: toast-enter 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.toast.error {
  border-left: 3px solid var(--danger);
  box-shadow: var(--shadow-md), inset -60px 0 60px -50px var(--danger-glow);
}
.toast.success {
  border-left: 3px solid var(--green);
  box-shadow: var(--shadow-md), inset -60px 0 60px -50px var(--green-subtle);
}

@keyframes toast-enter {
  from { transform: translateX(120%) scale(0.8); opacity: 0; }
  to { transform: translateX(0) scale(1); opacity: 1; }
}

/* ================================================
   PASSWORD TOGGLE (inside lobby create option)
   ================================================ */

.password-toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.06);
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.toggle-track::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-muted);
  top: 2px;
  left: 2px;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.toggle-switch input:checked + .toggle-track {
  background: rgba(0,255,136,0.15);
  border-color: var(--green);
  box-shadow: 0 0 12px var(--green-glow);
}

.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(14px);
  background: var(--green);
  box-shadow: 0 0 6px var(--green-glow);
}

.password-toggle-text {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.password-inline-input {
  width: 100%;
  padding: 7px 12px;
  font-size: 0.75rem;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,255,136,0.1);
  border-radius: 50px;
  color: var(--text);
  font-family: var(--font-mono);
  margin-top: 6px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.password-inline-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 12px var(--green-glow);
  outline: none;
  background: rgba(0,0,0,0.6);
}

.password-inline-input.hidden {
  display: none;
}

/* ================================================
   AUDIO VISUALIZER
   ================================================ */

.visualizer-canvas {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  pointer-events: none;
  opacity: 0.4;
  z-index: -1;
  mask-image: linear-gradient(0deg, rgba(0,0,0,0.6) 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0.6) 0%, transparent 100%);
}

/* ================================================
   THEME PICKER
   ================================================ */

.theme-picker {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 100;
  background: rgba(6, 6, 16, 0.9);
  border: 1px solid rgba(0,255,136,0.06);
  border-radius: 30px;
  padding: 8px 6px;
}

.theme-btn {
  background: none;
  border: none;
  font-size: 1.15rem;
  cursor: pointer;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.theme-btn:hover {
  background: rgba(0,255,136,0.08);
  transform: scale(1.15);
}
.theme-btn.active {
  background: rgba(0,255,136,0.1);
  box-shadow: 0 0 12px var(--green-glow);
  outline: 2px solid var(--green);
  outline-offset: -2px;
}

/* Theme: Neon */
[data-theme="neon"] {
  --bg: #05000f;
  --bg-gradient: linear-gradient(135deg, #05000f 0%, #120025 50%, #05000f 100%);
  --green: #b826ff;
  --green-hover: #d050ff;
  --green-glow: rgba(184, 38, 255, 0.25);
  --green-subtle: rgba(184, 38, 255, 0.08);
  --green-dim: rgba(184, 38, 255, 0.5);
  --blue: #00f0ff;
  --blue-hover: #40f8ff;
  --blue-glow: rgba(0, 240, 255, 0.25);
  --cyan: #ff00aa;
  --accent: #00f0ff;
}

/* Theme: Retro */
[data-theme="retro"] {
  --bg: #0f0800;
  --bg-gradient: linear-gradient(135deg, #0f0800 0%, #1a0e00 50%, #0f0800 100%);
  --green: #ff6b2b;
  --green-hover: #ff8040;
  --green-glow: rgba(255, 107, 43, 0.25);
  --green-subtle: rgba(255, 107, 43, 0.08);
  --green-dim: rgba(255, 107, 43, 0.5);
  --blue: #ffc107;
  --blue-hover: #ffd740;
  --blue-glow: rgba(255, 193, 7, 0.25);
  --cyan: #ff4444;
  --accent: #ffc107;
}

/* Theme: Pastel */
[data-theme="pastel"] {
  --bg: #0f0815;
  --bg-gradient: linear-gradient(135deg, #0f0815 0%, #150c1e 50%, #0f0815 100%);
  --green: #f48fb1;
  --green-hover: #f8bbd0;
  --green-glow: rgba(244, 143, 177, 0.25);
  --green-subtle: rgba(244, 143, 177, 0.08);
  --green-dim: rgba(244, 143, 177, 0.5);
  --blue: #b39ddb;
  --blue-hover: #d1c4e9;
  --blue-glow: rgba(179, 157, 219, 0.25);
  --cyan: #80deea;
  --accent: #b39ddb;
}

/* Theme: Ocean */
[data-theme="ocean"] {
  --bg: #000810;
  --bg-gradient: linear-gradient(135deg, #000810 0%, #001020 50%, #000818 100%);
  --green: #00e5b0;
  --green-hover: #20ffc8;
  --green-glow: rgba(0, 229, 176, 0.25);
  --green-subtle: rgba(0, 229, 176, 0.08);
  --green-dim: rgba(0, 229, 176, 0.5);
  --blue: #448aff;
  --blue-hover: #82b1ff;
  --blue-glow: rgba(68, 138, 255, 0.25);
  --cyan: #00e5ff;
  --accent: #448aff;
}

/* ================================================
   SLEEP TIMER (sidebar bottom)
   ================================================ */

.sleep-timer-bar {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.sleep-label {
  font-size: 0.62rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  font-family: var(--font-mono);
  display: block;
  margin-bottom: 8px;
}

.sleep-options-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.sleep-option {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--surface-border);
  border-radius: 50px;
  color: var(--text-secondary);
  padding: 4px 10px;
  font-size: 0.65rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font-mono);
}
.sleep-option:hover {
  background: var(--green);
  color: #000;
  border-color: var(--green);
  box-shadow: 0 0 12px var(--green-glow);
}
.sleep-option.active {
  background: var(--green);
  color: #000;
  border-color: var(--green);
  box-shadow: 0 0 16px var(--green-glow);
}

.sleep-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.sleep-countdown {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  text-shadow: 0 0 10px var(--green-glow);
}
.sleep-countdown.hidden { display: none; }

.sleep-cancel {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
  font-family: inherit;
}
.sleep-cancel:hover { background: var(--danger); color: #fff; }
.sleep-cancel.hidden { display: none; }

/* Visibility */
.theme-picker.hidden {
  display: none !important;
}

/* ================================================
   SIDEBAR HEADER ACTIONS
   ================================================ */

.sidebar-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* ================================================
   ACTIVITY STATUS
   ================================================ */

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.activity-listening {
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  animation: activity-pulse 2s ease-in-out infinite;
}

.activity-paused {
  background: #fbbf24;
  box-shadow: 0 0 6px rgba(251, 191, 36, 0.3);
}

.activity-idle {
  background: var(--text-muted);
  opacity: 0.5;
}

@keyframes activity-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ================================================
   SETTINGS FORM
   ================================================ */

.settings-form {
  text-align: left;
  margin: 20px 0;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.setting-row:last-child {
  border-bottom: none;
}

.setting-row label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.setting-row input[type="number"] {
  width: 100px;
  padding: 8px 12px;
  font-size: 0.82rem;
  text-align: center;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
}

.setting-row input[type="number"]:focus {
  border-color: var(--green-dim);
  box-shadow: 0 0 0 3px var(--green-subtle);
  outline: none;
}

.toggle-switch-setting {
  margin-left: auto;
}

/* ================================================
   PRESETS
   ================================================ */

.lobby-presets {
  margin-top: 4px;
}

.preset-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preset-empty {
  color: var(--text-muted);
  font-size: 0.72rem;
  text-align: center;
  padding: 12px 0;
  font-family: var(--font-mono);
}

.preset-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition);
}

.preset-item:hover {
  background: rgba(0,255,136,0.03);
  border-color: rgba(0,255,136,0.1);
}

.preset-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.preset-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preset-details {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.preset-delete {
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}

.preset-delete:hover {
  opacity: 1;
  color: var(--danger);
}

.save-preset-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

/* ================================================
   RESPONSIVE
   ================================================ */

@media (max-width: 768px) {
  .room-layout { flex-direction: column; }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid rgba(0,255,136,0.06);
    max-height: 40vh;
    overflow-y: auto;
  }
  .sidebar::after { display: none; }

  .album-art { width: 240px; height: 240px; }
  .main-content { padding: 24px 16px; }
  .card { padding: 36px 28px; }
  .glow-border-wrapper { width: 95%; }

  .theme-picker {
    right: 8px;
    gap: 3px;
    padding: 6px 4px;
  }
  .theme-btn { width: 28px; height: 28px; font-size: 0.95rem; }

  .sleep-timer-bar { padding-top: 10px; }

  .visualizer-canvas { height: 60px; }

  .right-panel {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 50;
    width: 300px;
    border-left: 1px solid rgba(0,255,136,0.06);
  }
  .right-panel.collapsed { width: 48px; }

  .suggestions-section,
  .auto-dj-section,
  .now-playing { max-width: 100%; }
}