:root { --bg: #fafaf9; --card: #fff; --ink: #1c1917; --muted: #78716c; --line: #e7e5e4; --accent: #ea580c; }
@media (prefers-color-scheme: dark) { :root { --bg: #0c0a09; --card: #1c1917; --ink: #f5f5f4; --muted: #a8a29e; --line: #292524; --accent: #fb923c; } }
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 ui-sans-serif, system-ui, sans-serif; background: var(--bg); color: var(--ink); }
a { color: inherit; }
header { position: sticky; top: 0; background: var(--bg); padding: 18px 24px 12px; border-bottom: 1px solid var(--line); z-index: 1; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.brand { margin: 0; font-size: 18px; font-weight: 600; }
.gh { display: grid; place-items: center; flex: none; width: 38px; height: 38px; margin-right: -8px; border-radius: 50%; color: var(--ink); transition: background-color 200ms, transform 140ms var(--out); }
.gh svg { width: 20px; height: 20px; fill: currentColor; }
.gh:active { transform: scale(.94); }
.gh:hover, .gh:focus-visible { background: var(--card); }
.brand .home { text-decoration: none; }
.brand .by { font-size: 13px; font-weight: 400; margin-left: 4px; color: var(--muted); text-decoration: none; text-underline-offset: 3px; }
.brand .by:hover, .brand .by:focus-visible { color: var(--ink); text-decoration: underline; }
.lede { color: var(--muted); margin: 4px 0 12px; max-width: 640px; }
.tools { display: flex; align-items: center; gap: 12px; }
#count { color: var(--muted); font-size: 12px; }
input { width: 100%; max-width: 420px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); font: inherit; }
#cats { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
#cats button { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 4px 11px; font: inherit; font-size: 12px; cursor: pointer; }
#cats button[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
main.grid { padding: 20px 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.card[hidden] { display: none; }
.card:hover, .card.playing { border-color: var(--accent); }
.play { display: block; width: 100%; padding: 0; margin: 0 0 10px; border: 0; background: none; color: var(--muted); cursor: pointer; }
.wave { display: block; width: 100%; height: 44px; }
.wave path { stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; opacity: .6; }
.card.playing .play { color: var(--accent); }
.card.playing .wave path { opacity: 1; }
.name { font-weight: 600; text-decoration: none; }
.name:hover { text-decoration: underline; }
.meta { color: var(--muted); font-size: 12px; display: flex; justify-content: space-between; margin-top: 2px; }
.badge { font-size: 10px; text-transform: uppercase; letter-spacing: .04em; }
.info, .page { padding: 8px 24px 40px; max-width: 980px; }
.page h1 { font-size: 28px; margin: 8px 0 4px; }
.info h2, .page h2 { font-size: 16px; margin: 28px 0 8px; }
.info h3 { font-size: 14px; margin: 16px 0 2px; }
.info p { max-width: 680px; margin: 0; }
.crumbs { color: var(--muted); font-size: 12px; margin-top: 12px; }
.hero { max-width: 520px; }
.hero .wave { height: 96px; }
audio { display: block; margin: 14px 0; }
.btn { display: inline-block; padding: 7px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); text-decoration: none; margin-right: 6px; }
.btn:hover { border-color: var(--accent); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 18px 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.cats { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 0; list-style: none; }
pre { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; font-size: 12px; }
.meta { align-items: center; }
.dl { display: inline-grid; place-items: center; width: 24px; height: 24px; margin: -4px -6px -4px 0; border-radius: 6px; color: var(--muted); }
.dl svg { width: 14px; height: 14px; fill: currentColor; }
.dl:hover, .dl:focus-visible { color: var(--accent); background: var(--bg); }
.dl:active { transform: translateY(1px); }
.tips { max-width: 680px; padding-left: 18px; }
.tips li { margin: 4px 0; }
footer { padding: 20px 24px 40px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 8px; }
footer p { margin: 0; }

/* ---------- sound page ---------- */
:root { --on-accent: #1c1917; --raise: #f0eeec; --out: cubic-bezier(0.23, 1, 0.32, 1); }
@media (prefers-color-scheme: dark) { :root { --on-accent: #0c0a09; --raise: #292524; } }
.sp { padding: 0 24px 40px; }
.sp a { text-underline-offset: 3px; }
.sp-top { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: 14px; color: var(--muted); }
.sp-top nav { display: flex; gap: 10px 20px; flex-wrap: wrap; }
.sp-top a { text-decoration: none; transition: color 200ms; }
.sp-top a:hover, .sp-top a:focus-visible { color: var(--ink); }
.sp-hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; padding-top: 28px; }
.sp-title { font-size: clamp(40px, 4.4vw, 68px); line-height: .95; letter-spacing: -.04em; font-weight: 650; margin: 0 0 16px; text-wrap: balance; }
.sp-meta { font-size: 15px; color: var(--muted); margin: 0 0 10px; }
.sp-lede { font-size: 18px; line-height: 1.45; margin: 0 0 24px; max-width: 34ch; }
.sp-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.sp-btn { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 999px; background: var(--raise); color: var(--ink); font-weight: 600; font-size: 15px; text-decoration: none; transition: transform 140ms var(--out), background-color 200ms; }
.sp-btn svg { width: 16px; height: 16px; fill: currentColor; }
.sp-btn:hover { background: color-mix(in oklab, var(--raise), var(--ink) 7%); }
.sp-btn.sp-primary { background: var(--accent); color: var(--on-accent); }
.sp-btn.sp-primary:hover { background: color-mix(in oklab, var(--accent), #fff 12%); }
.sp-btn:active { transform: scale(.97); }
.sp-player { background: var(--card); border-radius: 16px; padding: 22px 24px 18px; }
.sp-wave { display: block; width: 100%; height: clamp(120px, 11vw, 170px); cursor: pointer; }
.sp-base rect { fill: var(--ink); opacity: .2; transition: opacity 300ms; }
.sp-player:hover .sp-base rect { opacity: .3; }
.sp-hot rect { fill: var(--accent); }
.sp-controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 14px; }
.sp-play { display: grid; place-items: center; width: 56px; height: 56px; border: 0; border-radius: 50%; background: var(--accent); color: var(--on-accent); cursor: pointer; transition: transform 160ms var(--out), background-color 200ms; }
.sp-play:hover { background: color-mix(in oklab, var(--accent), #fff 12%); transform: scale(1.04); }
.sp-play:active { transform: scale(.94); }
.sp-play svg { width: 22px; height: 22px; fill: currentColor; }
.sp-play .i-play { margin-left: 3px; }
.sp-play .i-pause, .is-playing .sp-play .i-play { display: none; }
.is-playing .sp-play .i-pause { display: block; }
.sp-time { margin: 0; font-size: 22px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.sp-total { color: var(--muted); }
.sp-info { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; margin-top: 72px; }
.sp-h2 { font-size: 22px; line-height: 1.15; letter-spacing: -.02em; font-weight: 650; margin: 0 0 18px; }
.sp-facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 12px 28px; margin: 0; font-size: 15px; }
.sp-facts dt { color: var(--muted); }
.sp-facts dd { margin: 0; }
.sp-snips { display: grid; gap: 10px; }
.sp-snip { background: var(--card); border-radius: 14px; padding: 12px 14px 16px 18px; }
.sp-snip-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; font-size: 14px; color: var(--muted); }
.sp-snip pre { margin: 0; padding: 0; border: 0; background: none; font-size: 13px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ink); }
.sp-copy { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border: 0; border-radius: 999px; background: var(--raise); color: var(--ink); font: inherit; font-size: 13px; cursor: pointer; transition: transform 140ms var(--out), color 200ms; }
.sp-copy svg { width: 14px; height: 14px; fill: currentColor; }
.sp-copy .i-check, .sp-copy.done .i-copy { display: none; }
.sp-copy.done .i-check { display: block; }
.sp-copy.done { color: var(--accent); }
.sp-copy:active { transform: scale(.95); }
.sp-related { margin-top: 120px; }
.sp-related-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.sp-related-head a { color: var(--muted); font-size: 15px; white-space: nowrap; }
.sp-related-head a:hover { color: var(--ink); }
.sp-related .grid { margin-top: 4px; }
@keyframes sp-rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.rise { animation: sp-rise 560ms var(--out) both; animation-delay: calc(var(--d, 0) * 70ms); }
@media (prefers-reduced-motion: reduce) { .rise { animation: none; } .sp-btn, .sp-play, .sp-copy { transition: none; } }
@media (max-width: 880px) {
  .sp { padding: 0 16px 32px; }
  .sp-hero { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .sp-info { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .sp-facts { gap: 12px 20px; }
  .sp-hero { padding-top: 28px; }
  .sp-title { font-size: clamp(40px, 11vw, 56px); }
  .sp-lede { font-size: 17px; }
  .sp-player { padding: 18px 16px 14px; }
  .sp-wave { height: 130px; }
  .sp-time { font-size: 20px; }
  .sp-info { margin-top: 56px; }
  .sp-related { margin-top: 88px; }
}
@media (max-width: 560px) {
  .sp-actions .sp-btn { flex: 1 1 auto; justify-content: center; }
}

/* ---------- home page sections below the grid ---------- */
.hm { padding: 24px 24px 24px; }
.hm-section { margin-top: 96px; }
.hm-section:first-child { margin-top: 48px; }
.hm-head { margin-bottom: 20px; }
.hm-head .sp-h2 { margin: 0; }
.hm-head p { margin: 6px 0 0; max-width: 64ch; color: var(--muted); font-size: 15px; }
.hm-sets { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.hm-cats { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; }
.hm-tile { display: grid; gap: 2px; padding: 16px 18px 18px; border-radius: 14px; background: var(--card); color: var(--ink); text-decoration: none; transition: background-color 200ms, transform 140ms var(--out); }
.hm-tile .wave { height: 36px; margin-bottom: 14px; color: var(--muted); }
.hm-tile:hover, .hm-tile:focus-visible { background: var(--raise); }
.hm-tile:hover .wave { color: var(--accent); }
.hm-tile:active { transform: scale(.98); }
.hm-sets .hm-tile .wave { height: 56px; }
.hm-sets .hm-tile-name { font-size: 20px; letter-spacing: -.015em; }
.hm-tile-name { font-weight: 600; font-size: 16px; }
.hm-tile-meta { color: var(--muted); font-size: 14px; }
.hm-uses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.hm-use { display: flex; flex-direction: column; gap: 10px; min-height: 196px; padding: 24px 24px 22px; border-radius: 16px; background: var(--card); color: var(--ink); text-decoration: none; transition: background-color 200ms, transform 140ms var(--out); }
.hm-use:hover, .hm-use:focus-visible { background: var(--raise); }
.hm-use:active { transform: scale(.99); }
.hm-use-title { font-size: 22px; line-height: 1.2; font-weight: 650; letter-spacing: -.02em; text-wrap: balance; }
.hm-use-text { color: var(--muted); font-size: 15px; line-height: 1.5; max-width: 36ch; }
.hm-use-go { margin-top: auto; font-size: 15px; font-weight: 600; color: var(--accent); }
.hm-use-go span { display: inline-block; transition: transform 200ms var(--out); }
.hm-use:hover .hm-use-go span { transform: translateX(4px); }
.hm-pair { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 12px; }
.hm-panel { padding: 28px; border-radius: 16px; background: var(--card); }
.hm-panel > p { margin: 0 0 18px; max-width: 60ch; font-size: 16px; line-height: 1.55; }
.hm-panel .sp-snip { background: var(--bg); }
.hm-panel .sp-copy { background: var(--card); }
.hm-panel .hm-note { margin: 16px 0 0; color: var(--muted); font-size: 14px; }
.hm-points { margin: 0 0 22px; padding-left: 18px; font-size: 16px; line-height: 1.55; }
.hm-points li { margin: 0 0 8px; }
.hm-points li::marker { color: var(--accent); }
.hm-license .sp-btn { background: var(--bg); }
.hm-faq { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 12px 56px; align-items: start; }
.hm-faq .hm-head p { max-width: 34ch; }
.hm-qs { display: grid; gap: 8px; }
.hm-q { border-radius: 14px; background: var(--card); transition: background-color 200ms; }
.hm-q[open] { background: var(--raise); }
.hm-q summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 20px; font-size: 17px; font-weight: 600; cursor: pointer; list-style: none; border-radius: 14px; }
.hm-q summary::-webkit-details-marker { display: none; }
.hm-q summary:hover .hm-plus { color: var(--ink); }
.hm-plus { flex: none; width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; color: var(--muted); transition: transform 240ms var(--out), color 200ms; }
.hm-q[open] .hm-plus { transform: rotate(45deg); color: var(--accent); }
.hm-q p { margin: 0; padding: 0 20px 20px; max-width: 70ch; font-size: 16px; line-height: 1.6; }
@media (prefers-reduced-motion: reduce) { .hm-tile, .hm-use, .hm-plus, .hm-use-go span { transition: none; } }
@media (max-width: 1240px) {
  .hm-cats { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}
@media (max-width: 1000px) {
  .hm-sets { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hm-uses, .hm-pair, .hm-faq { grid-template-columns: minmax(0, 1fr); }
  .hm-use { min-height: 0; }
}
@media (max-width: 560px) {
  .hm { padding: 16px; }
  .hm-section { margin-top: 72px; }
  .hm-sets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hm-cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hm-panel { padding: 20px; }
  .hm-q summary { font-size: 16px; padding: 16px; }
  .hm-q p { padding: 0 16px 16px; }
}

/* ---------- phones: compact header, one swipeable row of filters, two cards a row ---------- */
@media (max-width: 640px) {
  header { position: static; padding: 16px 16px 12px; }
  .brand { font-size: 17px; }
  .lede { font-size: 14px; line-height: 1.45; margin: 4px 0 12px; }
  .tools { gap: 10px; }
  .tools input { flex: 1; max-width: none; padding: 10px 12px; font-size: 16px; }
  #count { white-space: nowrap; }
  #cats { flex-wrap: nowrap; gap: 6px; overflow-x: auto; margin: 12px -16px 0; padding: 0 16px 2px; scroll-snap-type: x proximity; scroll-padding-inline: 16px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  #cats::-webkit-scrollbar { display: none; }
  #cats button { flex: none; padding: 7px 13px; font-size: 13px; scroll-snap-align: start; }
  main.grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 14px 16px; }
  main.grid .card { padding: 10px 10px 8px; }
  main.grid .play { margin-bottom: 8px; }
  main.grid .wave { height: 34px; }
  main.grid .name { font-size: 14px; }
  main.grid .meta { font-size: 11px; gap: 4px; }
}