jukebox-vibe/web/src/styles.css

/* ═══════════════════════════════════════════════════════════════
   JUKEBOX — Discord Soundboard
   Design: "DECK" — Cyberpunk Audio Console
   Fonts: Syne (display) + Outfit (body)
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ────────────────────────────────────────────
   Theme: Midnight (default dark)
   ──────────────────────────────────────────── */
:root {
  --bg-base: #0b0b0f;
  --bg-surface-0: #101016;
  --bg-surface-1: #16161e;
  --bg-surface-2: #1e1e28;
  --bg-surface-3: #282834;

  --text-primary: #e4e4ec;
  --text-secondary: #7a7a90;
  --text-muted: #4a4a5e;

  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-subtle: rgba(59, 130, 246, 0.08);

  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.15);
  --success: #22c55e;
  --warning: #f59e0b;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-active: rgba(59, 130, 246, 0.4);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);

  --grid-opacity: 1;
  --grid-dot: rgba(255, 255, 255, 0.03);

  --header-h: 64px;
  --tabs-h: 44px;
  --cats-h: 44px;
  --control-h: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  color-scheme: dark;
}

/* ────────────────────────────────────────────
   Theme: Daylight
   ──────────────────────────────────────────── */
[data-theme="daylight"] {
  --bg-base: #f4f2ee;
  --bg-surface-0: #eae8e3;
  --bg-surface-1: #ffffff;
  --bg-surface-2: #f0eee9;
  --bg-surface-3: #e4e2dd;

  --text-primary: #1a1a2e;
  --text-secondary: #6b6b80;
  --text-muted: #a0a0b0;

  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow: rgba(37, 99, 235, 0.1);
  --accent-subtle: rgba(37, 99, 235, 0.05);

  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.14);
  --border-active: rgba(37, 99, 235, 0.4);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px var(--accent-glow);

  --grid-opacity: 0;
  --grid-dot: transparent;

  color-scheme: light;
}

/* ────────────────────────────────────────────
   Theme: Neon
   ──────────────────────────────────────────── */
[data-theme="neon"] {
  --bg-base: #08080e;
  --bg-surface-0: #0e0e18;
  --bg-surface-1: #141422;
  --bg-surface-2: #1c1c30;
  --bg-surface-3: #24243c;

  --text-primary: #f0f0ff;
  --text-secondary: #8080b0;
  --text-muted: #505078;

  --accent: #e040fb;
  --accent-hover: #d020eb;
  --accent-glow: rgba(224, 64, 251, 0.2);
  --accent-subtle: rgba(224, 64, 251, 0.08);

  --border: rgba(224, 64, 251, 0.08);
  --border-hover: rgba(224, 64, 251, 0.18);
  --border-active: rgba(224, 64, 251, 0.45);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px var(--accent-glow);

  --grid-opacity: 1;
  --grid-dot: rgba(224, 64, 251, 0.025);

  color-scheme: dark;
}

/* ────────────────────────────────────────────
   Theme: Vapor (Retrowave)
   ──────────────────────────────────────────── */
[data-theme="vapor"] {
  --bg-base: #140a22;
  --bg-surface-0: #1a0e2e;
  --bg-surface-1: #22143a;
  --bg-surface-2: #2c1c48;
  --bg-surface-3: #362456;

  --text-primary: #e8daf8;
  --text-secondary: #8a6aaa;
  --text-muted: #5a4070;

  --accent: #06d6a0;
  --accent-hover: #05c090;
  --accent-glow: rgba(6, 214, 160, 0.18);
  --accent-subtle: rgba(6, 214, 160, 0.07);

  --border: rgba(6, 214, 160, 0.07);
  --border-hover: rgba(6, 214, 160, 0.15);
  --border-active: rgba(6, 214, 160, 0.4);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px var(--accent-glow);

  --grid-opacity: 1;
  --grid-dot: rgba(6, 214, 160, 0.02);

  color-scheme: dark;
}

/* ────────────────────────────────────────────
   Theme: Matrix
   ──────────────────────────────────────────── */
[data-theme="matrix"] {
  --bg-base: #050a05;
  --bg-surface-0: #0a120a;
  --bg-surface-1: #0f1a0f;
  --bg-surface-2: #162216;
  --bg-surface-3: #1e2e1e;

  --text-primary: #c0ecc0;
  --text-secondary: #5a8a5a;
  --text-muted: #2e5a2e;

  --accent: #22c55e;
  --accent-hover: #16a34a;
  --accent-glow: rgba(34, 197, 94, 0.18);
  --accent-subtle: rgba(34, 197, 94, 0.06);

  --border: rgba(34, 197, 94, 0.07);
  --border-hover: rgba(34, 197, 94, 0.15);
  --border-active: rgba(34, 197, 94, 0.4);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 24px var(--accent-glow);

  --grid-opacity: 1;
  --grid-dot: rgba(34, 197, 94, 0.025);

  color-scheme: dark;
}

/* ────────────────────────────────────────────
   Reset & Base
   ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  height: 100dvh;
  width: 100vw;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, select {
  font-family: inherit;
  color: inherit;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

::selection {
  background: var(--accent);
  color: white;
}

/* ────────────────────────────────────────────
   App Shell
   ──────────────────────────────────────────── */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}

/* Dot grid pattern overlay */
.app-shell::after {
  content: '';
  position: fixed;
  inset: 0;
  opacity: var(--grid-opacity);
  background-image: radial-gradient(
    circle, var(--grid-dot) 1px, transparent 1px
  );
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ────────────────────────────────────────────
   Header
   ──────────────────────────────────────────── */
.header {
  height: var(--header-h);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  background: var(--bg-surface-0);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 20;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent), var(--text-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  user-select: none;
}

.header-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.header-search input {
  width: 100%;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 36px 8px 38px;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.header-search input::placeholder {
  color: var(--text-muted);
}

.header-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-surface-1);
}

.header-search .search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.15s;
}

.header-search .search-clear:hover {
  background: var(--bg-surface-3);
  color: var(--text-primary);
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
  flex-shrink: 0;
}

.sound-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.sound-count strong {
  color: var(--accent);
  font-weight: 700;
}

/* Theme & Channel selects */
.select-clean {
  appearance: none;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 28px 6px 10px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237a7a90' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.select-clean:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-surface-3);
}

.select-clean:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.select-clean option {
  background: var(--bg-surface-1);
  color: var(--text-primary);
}

/* ────────────────────────────────────────────
   Tab Bar
   ──────────────────────────────────────────── */
.tab-bar {
  height: var(--tabs-h);
  min-height: var(--tabs-h);
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0 24px;
  background: var(--bg-surface-0);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 15;
}

.tab-btn {
  position: relative;
  padding: 0 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

.tab-badge {
  font-size: 10.5px;
  font-weight: 700;
  background: var(--accent-subtle);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  font-variant-numeric: tabular-nums;
}

/* ────────────────────────────────────────────
   Category Filter Strip
   ──────────────────────────────────────────── */
.category-strip {
  min-height: var(--cats-h);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 24px;
  background: var(--bg-surface-0);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
  z-index: 14;
  scrollbar-width: none;
}

.category-strip::-webkit-scrollbar {
  display: none;
}

.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  white-space: nowrap;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.cat-chip:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-surface-3);
}

.cat-chip.active {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent);
}

.cat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ────────────────────────────────────────────
   Sounds Area & Grid
   ──────────────────────────────────────────── */
.sounds-area {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  z-index: 1;
}

.sounds-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 16px 24px;
  padding-bottom: calc(var(--control-h) + 24px);
  align-content: flex-start;
}

.sounds-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  color: var(--text-muted);
  text-align: center;
  width: 100%;
}

.sounds-empty .material-icons {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}

.sounds-empty p {
  font-size: 14px;
  font-weight: 500;
}

/* ── Sound Button (Compact Pill) ── */
.sound-btn {
  display: inline-flex;
  align-items: center;
  gap: 0;
  height: 36px;
  padding: 0 12px 0 0;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-1);
  border: 1px solid var(--border);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.12s ease;
  position: relative;
  overflow: hidden;
  max-width: 220px;
  flex-shrink: 0;
}

.sound-btn .cat-bar {
  width: 3px;
  height: 100%;
  flex-shrink: 0;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.sound-btn .sound-label {
  padding: 0 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 36px;
}

.sound-btn:hover {
  background: var(--bg-surface-2);
  border-color: var(--border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.sound-btn:active {
  transform: scale(0.96);
  box-shadow: none;
  transition-duration: 0.05s;
}

.sound-btn .fav-star {
  position: absolute;
  right: 3px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  opacity: 0;
  color: var(--text-muted);
  transition: all 0.15s;
  padding: 2px;
  line-height: 1;
}

.sound-btn:hover .fav-star {
  opacity: 0.6;
}

.sound-btn .fav-star.is-fav {
  opacity: 1;
  color: var(--warning);
}

.sound-btn:hover .fav-star.is-fav {
  opacity: 1;
}

/* Playing animation */
.sound-btn.is-playing {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.sound-btn.is-playing::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-glow);
  animation: pulse-bg 1s ease infinite;
  pointer-events: none;
}

/* Badge indicators */
.sound-btn .badge-dot {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.sound-btn .badge-dot.new {
  background: var(--success);
}

.sound-btn .badge-dot.top {
  background: var(--warning);
}

/* ────────────────────────────────────────────
   Control Bar (Bottom)
   ──────────────────────────────────────────── */
.control-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--control-h);
  background: var(--bg-surface-0);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  z-index: 30;
}

.ctrl-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ctrl-section.left {
  flex: 1;
  min-width: 0;
}

.ctrl-section.center {
  flex-shrink: 0;
}

.ctrl-section.right {
  flex: 1;
  justify-content: flex-end;
  min-width: 0;
}

/* Channel select in control bar */
.channel-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.channel-wrap .material-icons {
  font-size: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.channel-select {
  appearance: none;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 28px 6px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  min-width: 160px;
  max-width: 280px;
  transition: all 0.15s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237a7a90' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.channel-select:hover {
  border-color: var(--border-hover);
}

.channel-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.channel-select option {
  background: var(--bg-surface-1);
}

/* ── Control Buttons ── */
.ctrl-btn {
  height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.ctrl-btn .material-icons {
  font-size: 18px;
}

/* Stop */
.ctrl-btn.stop {
  background: var(--danger-glow);
  color: var(--danger);
}
.ctrl-btn.stop:hover {
  background: var(--danger);
  color: white;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

/* Random / Shuffle */
.ctrl-btn.shuffle {
  background: var(--accent);
  color: white;
}
.ctrl-btn.shuffle:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: scale(1.03);
}

/* Party Mode */
.ctrl-btn.party {
  background: var(--bg-surface-2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.ctrl-btn.party:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-surface-3);
}

.ctrl-btn.party.active {
  background: linear-gradient(135deg, #ec4899, #8b5cf6, #3b82f6, #06b6d4);
  background-size: 300% 300%;
  animation: party-gradient 4s ease infinite;
  color: white;
  border: none;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.ctrl-btn.party.active:hover {
  transform: scale(1.03);
}

/* ── Volume ── */
.volume-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 150px;
  flex-shrink: 0;
}

.volume-wrap .material-icons {
  font-size: 16px;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}

.volume-wrap .material-icons:hover {
  color: var(--text-secondary);
}

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--bg-surface-3);
  border-radius: 2px;
  outline: none;
  position: relative;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: var(--fill, 100%) 100%;
  background-repeat: no-repeat;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.1s;
}

.volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  border: none;
}

.volume-pct {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 30px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Now Playing ── */
.now-playing {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.now-playing span {
  color: var(--accent);
}

/* ────────────────────────────────────────────
   Notifications / Toast
   ──────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: calc(var(--control-h) + 16px);
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}

.toast .material-icons {
  font-size: 16px;
}

.toast.error {
  background: var(--danger);
  color: white;
}

.toast.info {
  background: var(--success);
  color: white;
}

/* ────────────────────────────────────────────
   Admin Panel (Overlay)
   ──────────────────────────────────────────── */
.admin-toggle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.15s;
}

.admin-toggle:hover {
  background: var(--bg-surface-2);
  color: var(--text-primary);
}

.admin-toggle.is-admin {
  color: var(--accent);
}

.admin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.2s ease;
}

.admin-panel {
  background: var(--bg-surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 90%;
  max-width: 480px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.admin-panel h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-panel .admin-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.admin-panel .admin-close:hover {
  background: var(--bg-surface-3);
  color: var(--text-primary);
}

.admin-field {
  margin-bottom: 16px;
}

.admin-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-field input {
  width: 100%;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
  transition: all 0.15s;
}

.admin-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.admin-btn {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.15s;
}

.admin-btn.primary {
  background: var(--accent);
  color: white;
}
.admin-btn.primary:hover {
  background: var(--accent-hover);
}

.admin-btn.outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.admin-btn.outline:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.admin-btn.danger {
  background: var(--danger-glow);
  color: var(--danger);
}
.admin-btn.danger:hover {
  background: var(--danger);
  color: white;
}

/* ────────────────────────────────────────────
   Party Mode Global Effects
   ──────────────────────────────────────────── */
.app-shell.party-active .header {
  border-bottom-color: transparent;
  background: linear-gradient(90deg,
    rgba(236, 72, 153, 0.08),
    rgba(139, 92, 246, 0.08),
    rgba(59, 130, 246, 0.08),
    rgba(6, 182, 212, 0.08)
  );
  background-size: 400% 100%;
  animation: party-gradient 6s ease infinite;
}

.app-shell.party-active .control-bar {
  border-top-color: transparent;
  box-shadow: 0 -2px 20px rgba(139, 92, 246, 0.15);
}

/* ────────────────────────────────────────────
   Animations & Keyframes
   ──────────────────────────────────────────── */
@keyframes party-gradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulse-bg {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

@keyframes toast-in {
  from {
    transform: translate(-50%, 16px);
    opacity: 0;
  }
  to {
    transform: translate(-50%, 0);
    opacity: 1;
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* Staggered entrance for sound buttons */
.sounds-grid .sound-btn {
  animation: sound-enter 0.2s ease both;
}

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

/* ────────────────────────────────────────────
   Responsive
   ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .header {
    padding: 0 16px;
    gap: 10px;
    height: auto;
    min-height: 56px;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .logo {
    font-size: 18px;
  }

  .header-search {
    order: 10;
    max-width: 100%;
    flex-basis: 100%;
  }

  .header-meta {
    gap: 8px;
  }

  .sound-count {
    display: none;
  }

  .tab-bar {
    padding: 0 16px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .tab-bar::-webkit-scrollbar {
    display: none;
  }

  .category-strip {
    padding: 0 16px;
  }

  .sounds-grid {
    padding: 12px 16px;
    gap: 5px;
  }

  .sound-btn {
    font-size: 11.5px;
    height: 32px;
    max-width: 180px;
  }

  .control-bar {
    padding: 0 12px;
    height: auto;
    min-height: var(--control-h);
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 8px;
  }

  .ctrl-section.left {
    order: 1;
    flex-basis: 100%;
  }

  .ctrl-section.center {
    order: 2;
  }

  .ctrl-section.right {
    order: 3;
  }

  .volume-wrap {
    width: 120px;
  }

  .channel-select {
    min-width: 120px;
  }

  .sounds-grid {
    padding-bottom: calc(140px + 24px);
  }

  .toast {
    bottom: 150px;
  }
}

@media (max-width: 480px) {
  .ctrl-btn span:not(.material-icons) {
    display: none;
  }

  .ctrl-btn {
    padding: 0 10px;
  }

  .volume-wrap {
    width: 100px;
  }

  .now-playing {
    display: none;
  }
}

/* ────────────────────────────────────────────
   Utility
   ──────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Vapor theme gradient overlay */
[data-theme="vapor"] .app-shell::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(120, 40, 200, 0.06) 0%,
    transparent 40%,
    rgba(6, 214, 160, 0.04) 100%
  );
  pointer-events: none;
  z-index: 0;
}