/* NoiseMaker audio page — dark neon glassmorphism theme.
   Token names mirror the shared design system in assets/styles.css.
   Dark is the default (:root); [data-theme="light"] overrides the tokens. */

:root {
  color-scheme: dark;
  --bg: #060a13;
  --text: #e9eef8;
  --muted: #8d99ae;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.3);
  --glass-bg: rgba(13, 20, 36, 0.55);
  --glass-bg-strong: rgba(13, 20, 36, 0.8);
  --glass-hi: rgba(255, 255, 255, 0.09);
  --blur: 18px;
  --accent: #22d3ee;
  --neon-a: #22d3ee;
  --neon-b: #a78bfa;
  --neon-c: #f472b6;
  --grad-neon: linear-gradient(135deg, var(--neon-a), var(--neon-b) 55%, var(--neon-c));
  --glow-accent: 0 0 22px rgba(34, 211, 238, 0.32);
  --shadow-card: 0 16px 44px rgba(2, 6, 17, 0.5);
  --shadow-card-hover: 0 24px 60px rgba(2, 6, 17, 0.62);
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --font-sans: "Space Grotesk", "Noto Sans SC", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, "Cascadia Mono", monospace;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --green: #34d399;
  --amber: #fbbf24;
  --danger: #fb7185;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef2f9;
  --text: #101828;
  --muted: #5b6678;
  --line: rgba(16, 24, 40, 0.1);
  --line-strong: rgba(16, 24, 40, 0.22);
  --glass-bg: rgba(255, 255, 255, 0.58);
  --glass-bg-strong: rgba(255, 255, 255, 0.84);
  --glass-hi: rgba(255, 255, 255, 0.9);
  --accent: #0e7fd6;
  --neon-a: #0891b2;
  --neon-b: #7c3aed;
  --neon-c: #db2777;
  --glow-accent: 0 0 20px rgba(8, 145, 178, 0.22);
  --shadow-card: 0 14px 38px rgba(23, 32, 58, 0.12);
  --shadow-card-hover: 0 22px 54px rgba(23, 32, 58, 0.18);
  --green: #0a9350;
  --amber: #b7791f;
  --danger: #c0342b;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(58% 42% at 12% 0%, rgba(34, 211, 238, 0.12), transparent 62%),
    radial-gradient(48% 40% at 88% 12%, rgba(167, 139, 250, 0.12), transparent 60%),
    radial-gradient(52% 46% at 50% 100%, rgba(244, 114, 182, 0.08), transparent 62%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
}

[data-theme="light"] body {
  background:
    radial-gradient(58% 42% at 12% 0%, rgba(8, 145, 178, 0.1), transparent 62%),
    radial-gradient(48% 40% at 88% 12%, rgba(124, 58, 237, 0.08), transparent 60%),
    radial-gradient(52% 46% at 50% 100%, rgba(219, 39, 119, 0.06), transparent 62%),
    var(--bg);
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.app-shell {
  min-height: 100vh;
}

/* Staggered entrance for the static shell. Sound cards animate on insertion
   via the same keyframes (see .sound-card below). */
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* fill-mode backwards (not both): after the entrance ends the animation must
   release transform/opacity so hover lifts on the same elements still work. */
.topbar,
.sidebar,
.hero-line,
.toolbar {
  animation: rise-in 480ms var(--ease-out) backwards;
}

.sidebar {
  animation-delay: 60ms;
}

.hero-line {
  animation-delay: 120ms;
}

.toolbar {
  animation-delay: 180ms;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
  /* Extra right padding reserves space for the fixed theme toggle. */
  padding: 14px 76px 14px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}

.brand-row,
.top-nav,
.brand-mark,
.status-pill,
.icon-link {
  display: inline-flex;
  align-items: center;
}

.brand-row {
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  justify-content: center;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--grad-neon);
  color: #fff;
  box-shadow: var(--glow-accent);
}

.brand-copy strong {
  display: block;
  font-size: 20px;
  line-height: 1.1;
  white-space: nowrap;
}

.brand-copy span {
  display: block;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
}

.top-nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  color: var(--muted);
  font-weight: 800;
}

.top-nav > a:not(.icon-link),
.status-pill {
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--glass-bg);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  white-space: nowrap;
  transition: border-color 160ms var(--ease-out), color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.top-nav > a:not(.icon-link):hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--glow-accent);
}

.top-nav > a[aria-current="page"] {
  border-color: var(--accent);
  background: var(--glass-bg-strong);
  color: var(--accent);
  box-shadow: var(--glow-accent);
}

.status-pill {
  gap: 8px;
}

.status-pill[data-tone="green"] {
  border-color: var(--green);
  color: var(--green);
}

.status-pill[data-tone="amber"] {
  border-color: var(--amber);
  color: var(--amber);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.icon-link {
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--glass-bg);
  color: var(--muted);
  transition: border-color 160ms var(--ease-out), color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.icon-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--glow-accent);
}

/* Theme toggle: fixed glass circle in the top-right corner. */
.theme-toggle {
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 60;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card);
  color: var(--text);
  cursor: pointer;
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
  transition: transform 220ms var(--ease-spring), box-shadow 220ms var(--ease-out), border-color 220ms var(--ease-out), color 220ms var(--ease-out);
}

.theme-toggle::before {
  content: "☀";
  font-size: 19px;
  line-height: 1;
}

[data-theme="light"] .theme-toggle::before {
  content: "☾";
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card), var(--glow-accent);
  transform: rotate(18deg);
}

.theme-toggle:active {
  transform: scale(0.92);
}

.layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  min-height: calc(100vh - 72px);
}

.sidebar {
  min-width: 0;
  padding: 26px 14px;
  border-right: 1px solid var(--line);
  background: var(--glass-bg);
  box-shadow: inset 1px 0 0 var(--glass-hi);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}

.section-title {
  margin: 0 8px 12px;
  font-size: 16px;
  font-weight: 900;
}

.category-list {
  display: grid;
  gap: 7px;
}

.category-button {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
  text-align: left;
  transition: border-color 160ms var(--ease-out), background 160ms var(--ease-out), color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.category-button:hover,
.category-button[aria-pressed="true"] {
  border-color: var(--line-strong);
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  color: var(--accent);
}

.category-button[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glow-accent);
}

.category-button svg {
  width: 20px;
  height: 20px;
}

.category-button span:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.count {
  min-width: 28px;
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass-bg);
  color: inherit;
  font-size: 12px;
  text-align: center;
}

.main-panel {
  min-width: 0;
  padding: 30px 24px 44px;
}

.hero-line {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.headline {
  min-width: 0;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: 0;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.headline p {
  max-width: 690px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  font-weight: 800;
}

.headline code {
  color: var(--accent);
  font-family: var(--font-mono);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(72px, 1fr));
  gap: 10px;
  flex: 0 0 min(330px, 38%);
}

.stat {
  min-height: 78px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass-bg);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
  transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.stat:hover {
  border-color: var(--line-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card-hover);
  transform: translateY(-3px);
}

.stat strong {
  display: block;
  font-size: 24px;
  line-height: 1.05;
}

.stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
}

.search-wrap {
  position: relative;
  min-width: 0;
}

.search-wrap svg {
  position: absolute;
  top: 50%;
  left: 14px;
  width: 20px;
  height: 20px;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 11px 14px 11px 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--glass-bg);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  color: var(--text);
  font-size: 16px;
  outline: none;
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

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

.search-input:focus {
  border-color: var(--accent);
  box-shadow: inset 0 1px 0 var(--glass-hi), 0 0 0 4px rgba(34, 211, 238, 0.16), var(--glow-accent);
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(2, 44px);
  min-height: 48px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--glass-bg);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}

.segmented button {
  display: grid;
  place-items: center;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 160ms var(--ease-out), background 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.segmented button:last-child {
  border-right: 0;
}

.segmented button:hover {
  color: var(--accent);
}

.segmented button[aria-pressed="true"] {
  background: var(--glass-bg-strong);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent), inset 0 1px 0 var(--glass-hi);
}

.refresh-action,
.sound-card,
.sound-main {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--glass-bg);
}

.refresh-action,
.sound-main {
  cursor: pointer;
  transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out), background 180ms var(--ease-out), color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.refresh-action {
  position: relative;
  overflow: hidden;
  min-height: 48px;
  padding: 10px 16px;
  box-shadow: inset 0 1px 0 var(--glass-hi);
  color: var(--muted);
  font-weight: 900;
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}

/* Shimmer sweep on hover — transform-only, no animated blur. */
.refresh-action::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 46%;
  background: linear-gradient(105deg, transparent, var(--glass-hi), transparent);
  content: "";
  transform: translateX(-120%) skewX(-18deg);
  transition: transform 520ms var(--ease-out);
  pointer-events: none;
}

.refresh-action:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glow-accent);
  transform: translateY(-2px);
}

.refresh-action:hover:not(:disabled)::after {
  transform: translateX(260%) skewX(-18deg);
}

.refresh-action:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.sound-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 10px;
}

.sound-grid[data-view="list"] {
  grid-template-columns: 1fr;
}

.sound-card {
  min-width: 0;
  overflow: hidden;
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card);
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
  animation: rise-in 420ms var(--ease-out) backwards;
  transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out), background 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

/* Stagger the first cards so grid entrances cascade instead of popping. */
.sound-card:nth-child(2) { animation-delay: 30ms; }
.sound-card:nth-child(3) { animation-delay: 60ms; }
.sound-card:nth-child(4) { animation-delay: 90ms; }
.sound-card:nth-child(5) { animation-delay: 120ms; }
.sound-card:nth-child(6) { animation-delay: 150ms; }
.sound-card:nth-child(7) { animation-delay: 180ms; }
.sound-card:nth-child(8) { animation-delay: 210ms; }
.sound-card:nth-child(9) { animation-delay: 240ms; }
.sound-card:nth-child(10) { animation-delay: 270ms; }
.sound-card:nth-child(11) { animation-delay: 300ms; }
.sound-card:nth-child(n+12) { animation-delay: 330ms; }

.sound-card:hover {
  border-color: var(--line-strong);
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card-hover);
  transform: translateY(-3px);
}

.sound-card[data-current="true"] {
  border-color: var(--accent);
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card-hover), var(--glow-accent);
}

.sound-card[data-missing="true"] {
  border-style: dashed;
}

.sound-main {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 6px;
  width: 100%;
  min-height: 92px;
  padding: 11px 8px 10px;
  border: 0;
  background: transparent;
  text-align: center;
}

.sound-grid[data-view="list"] .sound-main {
  grid-template-columns: 42px minmax(0, 1fr) auto;
  justify-items: start;
  align-items: center;
  min-height: 56px;
  padding: 9px 12px;
  text-align: left;
}

.play-symbol {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  color: var(--text);
  transition: background 180ms var(--ease-out), color 180ms var(--ease-out), box-shadow 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.sound-card[data-current="true"] .play-symbol {
  border-color: transparent;
  background: var(--grad-neon);
  box-shadow: var(--glow-accent);
  color: #fff;
}

.play-symbol svg {
  width: 14px;
  height: 14px;
  transform: translateX(1px);
}

.sound-title {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 900;
}

.sound-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.availability {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.sound-card[data-missing="true"] .availability {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}

.empty-state {
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  background: var(--glass-bg);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  color: var(--muted);
  font-weight: 800;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 14px;
  border: 1px solid var(--danger);
  border-radius: var(--r-md);
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-card-hover);
  color: var(--danger);
  font-size: 14px;
  font-weight: 800;
  -webkit-backdrop-filter: blur(var(--blur));
  backdrop-filter: blur(var(--blur));
}

.toast[hidden] {
  display: none;
}

svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.fill-icon {
  fill: currentColor;
  stroke: none;
}

@media (max-width: 820px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
    padding: 14px 76px 14px 16px;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: inset 0 1px 0 var(--glass-hi);
  }

  .category-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .main-panel {
    padding: 24px 16px 34px;
  }

  .hero-line {
    display: grid;
  }

  .quick-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    flex-basis: auto;
  }

  .toolbar {
    grid-template-columns: 1fr auto auto;
  }

  .sound-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 540px) {
  .brand-copy strong {
    font-size: 18px;
  }

  .category-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-button {
    min-height: 44px;
  }

  .stat {
    min-height: 66px;
    padding: 10px;
  }

  .toolbar,
  .sound-grid,
  .sound-grid[data-view="list"] {
    grid-template-columns: 1fr;
  }

  .segmented {
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
  }

  .sound-grid[data-view="list"] .sound-main {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .sound-grid[data-view="list"] .sound-meta {
    display: none;
  }

  .toast {
    right: 12px;
    bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
  }
}