:root {
  --paper: #ede0c2; --ink: #0b1524; --muted: #a9b4c2; --accent: #ffb65c;
  --line: rgb(169 180 194 / .17); --page-gutter: var(--gutter-mobile);
  color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: radial-gradient(ellipse at 92% 0, #203044 0, transparent 46%), var(--ink); color: var(--paper); line-height: 1.65; overflow-wrap: anywhere; }
h1,h2,h3,p { margin: 0; }
a { color: inherit; text-underline-offset: 4px; }
button,input { font: inherit; }
button { cursor: pointer; color: inherit; touch-action: manipulation; }
button:disabled { opacity: .42; cursor: default; }
button,a,input { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.page-width { width: 100%; max-width: none; padding-inline: var(--page-gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 0; left: 0; z-index: 100; background: var(--paper); color: var(--ink); padding: var(--space-group); clip-path: inset(50%); }
.skip-link:focus { clip-path: none; }
.masthead { display: flex; justify-content: space-between; align-items: center; gap: var(--space-group); padding-block: var(--space-section); border-bottom: 1px solid var(--line); }
.brand { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-text) var(--space-group); text-decoration: none; line-height: 1.2; }
.brand-frequency { font: 700 clamp(24px, 2.4vw, 32px)/1.15 Georgia, serif; letter-spacing: -.05em; }
.brand-name { font-size: 9px; letter-spacing: .18em; color: var(--muted); }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; gap: var(--space-text); text-decoration: none; font-size: 12px; white-space: nowrap; }
.nav-link > span:last-child { color: var(--muted); font-size: 19px; }
.live-dot { display: inline-block; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px rgb(255 182 92 / .25); }
.list-view { display: grid; gap: var(--space-12); padding-block: var(--space-12) var(--space-16); }
.welcome { display: flex; flex-direction: column; gap: var(--space-page); padding-block: var(--space-group); }
.welcome-copy { display: grid; justify-items: start; gap: var(--space-section); }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 600; letter-spacing: .18em; }
.welcome h1 { font-size: clamp(42px, 6.6vw, 88px); line-height: 1.13; letter-spacing: -.065em; font-weight: 750; word-break: keep-all; }
.welcome-copy > p:not(.eyebrow) { color: var(--muted); font-size: 14px; line-height: 1.85; }
.library-summary { display: grid; gap: var(--space-text); color: var(--muted); font-size: 12px; }
.library-summary-label { font-size: 11px; letter-spacing: .03em; }
.library-summary strong { color: var(--paper); font-size: 18px; font-weight: 500; }
.library-summary strong span { color: var(--accent); margin-left: var(--space-text); font-variant-numeric: tabular-nums; }
.library-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-group); }
.library-tabs { display: flex; align-items: center; gap: var(--space-group); }
.library-filter { min-height: 44px; min-width: 68px; border: 1px solid var(--line); border-radius: 999px; padding: var(--space-text) var(--space-section); background: transparent; font-size: 13px; }
.library-filter[aria-pressed=true] { background: var(--paper); border-color: var(--paper); color: var(--ink); font-weight: 600; }
.library-result-count { color: var(--muted); font-size: 12px; }
.library-search { display: flex; align-items: center; gap: var(--space-control); width: 100%; min-height: 48px; padding: var(--space-control) var(--space-group); border: 1px solid var(--line); border-radius: 999px; background: rgb(255 255 255 / .035); }
.library-search:focus-within { border-color: var(--paper); }
.library-search svg { width: 18px; height: 18px; flex: none; fill: none; stroke: var(--muted); stroke-width: 1.6; }
.library-search input { width: 100%; min-width: 0; padding: 0; border: 0; outline: 0; background: transparent; color: var(--paper); font-size: 13px; }
.library-search input::placeholder { color: var(--muted); opacity: 1; }
.playlist-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-page); align-items: start; }
.playlist-card { display: grid; align-content: start; gap: var(--space-group); min-width: 0; padding: var(--space-control); border-radius: 12px; background: rgb(255 255 255 / .025); transition: background-color .2s ease; }
.playlist-card:hover, .playlist-card:focus-within { background: rgb(255 255 255 / .055); }
.card-art { position: relative; min-width: 0; aspect-ratio: 1; border-radius: 8px; background: #192a3e; box-shadow: 0 12px 32px rgb(0 0 0 / .2); }
.card-art > a { display: block; width: 100%; height: 100%; overflow: hidden; border-radius: inherit; }
.card-art img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s ease; }
.playlist-card:hover .card-art img { transform: scale(1.025); }
.card-play { position: absolute; right: var(--space-group); bottom: var(--space-group); width: 52px; height: 52px; display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--accent); color: var(--ink); box-shadow: 0 5px 16px rgb(0 0 0 / .35); font-size: 20px; transition: transform .15s ease, background-color .15s ease; }
.card-play:hover { transform: scale(1.06); background: #ffc681; }
.card-play[aria-busy=true] { opacity: .6; }
.card-copy { display: grid; gap: var(--space-text); padding: var(--space-1); }
.card-copy > a { text-decoration: none; }
.card-copy > a:hover { text-decoration: underline; }
.card-copy h2 { font-size: clamp(18px, 1.5vw, 23px); letter-spacing: -.04em; line-height: 1.45; word-break: keep-all; }
.card-copy p { color: var(--muted); font-size: 12px; line-height: 1.8; }
.playlist-meta { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.search-empty { display: grid; justify-items: center; gap: var(--space-control); padding: var(--space-16) var(--space-group); border: 1px dashed var(--line); border-radius: 12px; text-align: center; color: var(--muted); font-size: 12px; }
.search-empty p { color: var(--paper); font-size: 17px; }
.detail-view { display: grid; gap: var(--space-page); padding-block: var(--space-page) var(--space-16); }
.back-link { display: inline-flex; gap: var(--space-control); align-items: center; min-height: 44px; width: fit-content; text-decoration: none; color: var(--muted); font-size: 12px; }
.back-link:hover { color: var(--paper); }
.playlist-hero { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-page); align-items: end; padding-block: var(--space-control) var(--space-section); }
.detail-art { width: 100%; min-width: 0; }
.detail-cover { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 8px; background: #192a3e; box-shadow: 0 14px 44px rgb(0 0 0 / .28); }
.detail-copy { display: grid; justify-items: start; gap: var(--space-section); min-width: 0; }
.detail-copy h1 { font-size: clamp(32px, 4.4vw, 68px); line-height: 1.18; letter-spacing: -.055em; word-break: keep-all; }
.description { color: var(--muted); font-size: 14px; line-height: 1.85; white-space: pre-line; }
.detail-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-control); }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-control); border: 0; border-radius: 999px; min-height: 52px; padding: var(--space-control) var(--space-section); background: var(--accent); color: var(--ink); font-size: 14px; font-weight: 700; }
.primary-button span { font-size: 12px; }
.quiet-button { border: 1px solid var(--line); background: transparent; min-height: 44px; padding: var(--space-text) var(--space-group); font-size: 12px; border-radius: 999px; }
.quiet-button:hover { background: rgb(255 255 255 / .05); }
.notice,.manual-share { color: var(--muted); font-size: 12px; }
.manual-share { display: grid; gap: var(--space-text); width: 100%; }
.manual-share input { border: 1px solid var(--line); border-radius: 6px; background: transparent; color: inherit; padding: var(--space-control); width: 100%; min-width: 0; }
.tracklist-heading { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-control); flex-wrap: wrap; padding-top: var(--space-section); }
.tracklist-heading h2 { font-size: 20px; letter-spacing: -.03em; }
.tracklist-heading p { color: var(--muted); font-size: 12px; }
.track-list { display: grid; grid-template-columns: minmax(0,1fr); list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.track-list li { min-width: 0; border-bottom: 1px solid var(--line); }
.track-button { display: grid; grid-template-columns: 24px minmax(0,1fr) auto 24px; align-items: center; gap: var(--space-control); width: 100%; min-height: 68px; padding: var(--space-group) var(--space-text); border: 0; background: transparent; text-align: left; border-radius: 4px; }
.track-button:hover { background: rgb(255 255 255 / .035); }
.track-number,.track-duration { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.track-name { font-size: 14px; line-height: 1.5; }
.track-mark { font-size: 12px; text-align: center; }
.track-button[aria-current=true] { background: rgb(255 182 92 / .06); color: var(--accent); }
.radio-invitation { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-section); border: 1px solid var(--line); border-radius: 12px; padding: var(--space-section); color: var(--muted); font-size: 12px; }
.radio-invitation > div { display: flex; align-items: center; gap: var(--space-control); }
.radio-invitation a { display: inline-flex; align-items: center; min-height: 44px; gap: var(--space-text); color: var(--paper); }
.page-notice { display: grid; justify-items: center; gap: var(--space-group); padding: var(--space-12) var(--space-group); color: var(--muted); font-size: 14px; text-align: center; }
.site-footer { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-group) var(--space-page); padding-block: var(--space-page); border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.site-footer p { flex: 1 1 240px; }
.footer-frequency { font: 700 24px/1.2 Georgia, serif; color: var(--paper); text-decoration: none; letter-spacing: -.05em; }
@media (min-width: 600px) {
  .playlist-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .library-search { width: min(380px, 100%); }
  .playlist-hero { grid-template-columns: minmax(200px, .65fr) minmax(0, 1.2fr); }
}
@media (min-width: 768px) {
  :root { --page-gutter: var(--gutter-desktop); }
  .welcome { flex-direction: row; align-items: end; justify-content: space-between; gap: var(--space-12); }
  .library-summary { text-align: right; padding-bottom: var(--space-text); }
  .list-view { padding-block: var(--space-16); }
  .track-button { padding-inline: var(--space-section); gap: var(--space-group); }
}
@media (min-width: 1000px) {
  .playlist-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .playlist-hero { grid-template-columns: minmax(260px, .5fr) minmax(0, 1.25fr); gap: var(--space-12); }
}
@media (min-width: 1200px) {
  :root { --page-gutter: var(--space-12); }
  .welcome { padding-block: var(--space-group) var(--space-page); }
  .playlist-grid { gap: var(--space-page); }
}
@media (max-width: 359px) { .brand-name { display: none; } .track-button { grid-template-columns: 20px minmax(0,1fr) auto 16px; gap: var(--space-text); } }
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { transition: none !important; scroll-behavior: auto !important; } }