:root {
  --ink: #fff8fc;
  --muted: #a994a2;
  --line: rgba(255, 226, 241, .13);
  --brand: #f14b9a;
  --brand-soft: #ff91c2;
  --brand-violet: #9b52dd;
  --accent: #f14b9a;
  --glow: rgba(241, 75, 154, .28);
  --tone: #ffe3f0;
  --panel: rgba(28, 14, 25, .78);
  --font: Inter, Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { background: #0b070d; color-scheme: dark; }
body { margin: 0; min-width: 320px; background: #0b070d; color: var(--ink); font-family: var(--font); }
button, input { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--brand-soft); outline-offset: 4px; }
.file-input { position: fixed; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.app-shell {
  min-height: 100svh;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 82% -8%, var(--glow), transparent 29rem),
    radial-gradient(circle at -8% 95%, rgba(143, 70, 215, .14), transparent 33rem),
    linear-gradient(145deg, #160b13, #0d0910 51%, #09070b);
}
.app-shell::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: .15;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(#000, transparent 80%);
}
.app-shell::after {
  position: fixed;
  left: -12vw;
  right: -12vw;
  top: 42vh;
  height: 240px;
  pointer-events: none;
  content: "";
  border: 1px solid rgba(255, 114, 182, .05);
  border-radius: 50%;
  transform: rotate(-7deg);
}

.page { display: none; }
.page.active { display: flex; }
.home-view, .view-frame { width: min(1180px, calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 1; min-height: 100svh; }
.home-view { padding: 28px 0 24px; flex-direction: column; }
.view-frame { padding: 27px 0 44px; flex-direction: column; }
.topbar, .subbar { min-height: 64px; display: flex; align-items: center; justify-content: space-between; }
.subbar { border-bottom: 1px solid var(--line); padding-bottom: 20px; }

.wordmark, .mini-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
  cursor: pointer;
}
.brand-mark { display: block; width: 44px; height: 44px; border-radius: 50%; box-shadow: 0 11px 32px rgba(231, 46, 134, .24), 0 0 0 1px rgba(220,147,255,.18); }
.wordmark > span, .mini-wordmark > span { display: grid; grid-template-columns: auto auto; align-items: baseline; column-gap: 7px; }
.wordmark strong, .wordmark b, .mini-wordmark strong, .mini-wordmark b { font-size: 12px; line-height: 1; letter-spacing: .19em; }
.wordmark strong, .mini-wordmark strong { color: #fffafd; font-weight: 700; }
.wordmark b, .mini-wordmark b { color: var(--brand-soft); font-weight: 500; }
.wordmark small { grid-column: 1 / -1; display: block; margin-top: 7px; color: #7f6d78; font-size: 7px; letter-spacing: .2em; }
.catalog-chip, .live-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  background: rgba(22, 12, 20, .62);
  border-radius: 999px;
  padding: 10px 14px;
  color: #a28c99;
  font: 600 9px/1 var(--mono);
  letter-spacing: .14em;
  backdrop-filter: blur(14px);
}
.catalog-chip i, .live-chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 14px var(--brand); }
.top-actions, .subbar-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.language-switcher { min-height: 35px; display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; background: rgba(22,12,20,.58); padding: 0 11px; backdrop-filter: blur(14px); }
.language-switcher button { border: 0; background: transparent; padding: 4px 1px; color: #6f5d68; cursor: pointer; font: 650 8px/1 var(--mono); letter-spacing: .1em; transition: color .2s; }
.language-switcher button:hover, .language-switcher button.active { color: var(--brand-soft); }
.language-switcher span { color: #4f4149; font: 500 8px/1 var(--mono); }
.language-switcher.compact { min-height: 31px; padding: 0 9px; }
.visual-mode-button { width: 33px; height: 33px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: rgba(22,12,20,.58); color: #9f8795; cursor: pointer; font-size: 14px; transition: color .2s, border-color .2s; }
.visual-mode-button:hover { color: var(--brand-soft); border-color: rgba(255,145,194,.36); }

.hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); min-height: 520px; align-items: center; gap: clamp(40px, 5.5vw, 76px); padding: clamp(48px, 8vh, 92px) 0 58px; }
.hero-copy { min-width: 0; position: relative; z-index: 2; }
.kicker { margin: 0 0 24px !important; color: #87727f !important; font: 600 10px/1 var(--mono) !important; letter-spacing: .24em; }
.kicker span { color: var(--brand-soft); }
.hero-copy h1 { max-width: 10.5em; margin: 0; color: #fffafd; font-size: clamp(45px, 5.45vw, 72px); font-weight: 610; letter-spacing: -.06em; line-height: 1.02; word-break: keep-all; }
.hero-copy h1 span, .hero-copy h1 em { white-space: nowrap; }
.hero-copy h1 em { color: #bba7b3; font-style: normal; font-weight: 400; }
html[lang="ko"] .hero-copy h1 { max-width: none; font-size: clamp(40px, 4.2vw, 54px); letter-spacing: -.055em; }
html[lang="ko"] .hero-copy h1 span, html[lang="ko"] .hero-copy h1 em { display: inline; }
html[lang="en"] .hero-copy h1 { max-width: 10.8em; font-size: clamp(42px, 5.05vw, 66px); letter-spacing: -.052em; }
html[lang="en"] .hero-copy h1 span, html[lang="en"] .hero-copy h1 em { display: block; }
html[lang="en"] .hero-copy h1 em { margin-top: .12em; }
.hero-copy > p { margin: 28px 0 0; color: #a18d99; font-size: clamp(13px, 1.35vw, 16px); line-height: 1.85; letter-spacing: -.015em; }

.playlist-preview {
  min-height: 368px;
  align-self: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 226, 241, .13);
  border-radius: 25px;
  background: linear-gradient(145deg, rgba(38,18,32,.78), rgba(15,9,15,.92));
  box-shadow: 0 32px 90px rgba(0,0,0,.3);
  backdrop-filter: blur(18px);
}
.playlist-preview::before { position: absolute; inset: 0 auto auto 0; width: 100%; height: 2px; content: ""; background: linear-gradient(90deg, var(--brand-soft), var(--brand-violet), transparent 88%); opacity: .85; }
.playlist-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 25px 25px 21px; border-bottom: 1px solid rgba(255,255,255,.075); }
.playlist-header small, .playlist-header strong { display: block; }
.playlist-header small { margin-bottom: 9px; color: var(--brand-soft); font: 650 7px/1 var(--mono); letter-spacing: .2em; }
.playlist-header strong { color: #fdf7fa; font-size: 14px; font-weight: 650; letter-spacing: .055em; }
.playlist-header > span { color: #725f69; font: 600 8px/1 var(--mono); letter-spacing: .13em; white-space: nowrap; }
.home-playlist { min-height: 228px; list-style: none; padding: 0 25px; margin: 0; display: flex; flex-direction: column; justify-content: center; }
.home-playlist li { border-bottom: 1px solid rgba(255,255,255,.065); }
.home-playlist li:last-child { border-bottom: 0; }
.playlist-track { width: 100%; min-height: 73px; display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: 13px; border: 0; background: transparent; padding: 8px 0; text-align: left; cursor: pointer; }
.playlist-track > span { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid color-mix(in srgb, var(--track-accent) 32%, transparent); border-radius: 11px; background: color-mix(in srgb, var(--track-accent) 9%, rgba(16,9,15,.8)); color: var(--track-accent); font: 650 8px/1 var(--mono); letter-spacing: .05em; }
.playlist-track strong, .playlist-track small { display: block; max-width: 250px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.playlist-track strong { color: #d5c6ce; font-size: 10.5px; font-weight: 600; letter-spacing: .015em; transition: color .2s; }
.playlist-track small { margin-top: 6px; color: #735f69; font: 550 7px/1 var(--mono); letter-spacing: .11em; }
.playlist-track b { color: #6c5964; font-size: 13px; font-weight: 400; transition: color .2s, transform .2s; }
.playlist-track:hover strong { color: #fffafd; }
.playlist-track:hover b { color: var(--track-accent); transform: translateX(3px); }
.playlist-empty { min-height: 228px; display: flex; align-items: center; justify-content: center; gap: 14px; text-align: left; }
.playlist-empty > span { color: var(--brand); font: 650 9px/1 var(--mono); }
.playlist-empty strong, .playlist-empty small { display: block; }
.playlist-empty strong { color: #b39da9; font-size: 10px; letter-spacing: .08em; }
.playlist-empty small { margin-top: 8px; color: #6e5b66; font-size: 9px; line-height: 1.5; }
.playlist-footer { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid rgba(255,255,255,.075); padding: 0 25px; color: #6f5c67; font: 600 7px/1 var(--mono); letter-spacing: .13em; }
.playlist-footer span:first-child { color: #a48596; }

.section-heading { display: flex; align-items: end; justify-content: space-between; margin: 0 2px 18px; }
.section-heading span { color: var(--brand-soft); font: 650 8px/1 var(--mono); letter-spacing: .22em; }
.section-heading p { margin: 0; color: #786673; font-size: 11px; }
.channel-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.channel-card {
  --card-light: rgba(241,75,154,.27);
  --card-accent: #ff86bc;
  min-height: 294px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid rgba(255, 226, 241, .12);
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(52, 25, 43, .76), rgba(18, 10, 17, .96));
  padding: 22px;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 25px 70px rgba(0,0,0,.23);
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.channel-card::after { position: absolute; left: 22px; right: 22px; top: 88px; content: ""; height: 42px; border-top: 2px solid var(--card-accent); border-radius: 50%; opacity: .2; transform: rotate(-8deg); }
.channel-card:hover { transform: translateY(-7px); border-color: color-mix(in srgb, var(--card-accent) 46%, transparent); box-shadow: 0 32px 78px rgba(0,0,0,.33), 0 0 45px color-mix(in srgb, var(--card-light) 25%, transparent); }
.channel-card:hover .card-arrow { background: var(--card-accent); color: #160b13; transform: rotate(0); }
.card-number { position: absolute; top: 20px; right: 21px; color: rgba(255, 231, 243, .38); font: 500 10px/1 var(--mono); letter-spacing: .16em; }
.card-glow { position: absolute; width: 250px; height: 250px; right: -90px; top: -80px; border-radius: 50%; background: radial-gradient(circle, var(--card-light), transparent 67%); }
.card-cafe { --card-light: rgba(255,123,178,.27); --card-accent: #ff87b9; }
.card-dining { --card-light: rgba(245,153,103,.28); --card-accent: #f6ae82; background: linear-gradient(150deg, rgba(58,32,30,.8), rgba(18,12,16,.96)); }
.card-lounge { --card-light: rgba(172,100,246,.31); --card-accent: #c28bfa; background: linear-gradient(150deg, rgba(47,28,58,.82), rgba(16,10,22,.97)); }
.card-retail { --card-light: rgba(255,85,160,.31); --card-accent: #ff76b6; background: linear-gradient(150deg, rgba(62,25,46,.82), rgba(19,10,18,.97)); }
.card-focus { --card-light: rgba(82,207,159,.24); --card-accent: #7edcb7; background: linear-gradient(150deg, rgba(23,48,41,.8), rgba(10,18,17,.97)); }
.card-fitness { --card-light: rgba(68,186,236,.28); --card-accent: #74d0f5; background: linear-gradient(150deg, rgba(22,43,55,.82), rgba(9,15,21,.97)); }
.card-drive { --card-light: rgba(91,113,237,.3); --card-accent: #92a4ff; background: linear-gradient(150deg, rgba(26,31,58,.84), rgba(9,11,21,.98)); }
.card-relax { --card-light: rgba(154,127,238,.29); --card-accent: #baa2ff; background: linear-gradient(150deg, rgba(41,31,59,.82), rgba(13,10,21,.98)); }
.card-content, .card-footer { position: relative; z-index: 1; }
.card-content small { display: block; margin-bottom: 8px; color: color-mix(in srgb, var(--card-accent) 72%, #9b8893); font: 550 8px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.card-content strong { display: block; font-size: clamp(25px, 2.3vw, 34px); font-weight: 570; letter-spacing: -.035em; }
.card-content > span { display: block; min-height: 60px; margin-top: 11px; color: #aa959f; font-size: 12px; line-height: 1.68; word-break: keep-all; }
.card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); }
.card-footer small { color: #75626d; font: 500 8px/1 var(--mono); letter-spacing: .1em; }
.card-arrow { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.075); color: #fff; font-size: 14px; transform: rotate(-12deg); transition: .3s; }
.home-footer { margin-top: auto; padding: 48px 2px 5px; display: flex; align-items: center; justify-content: center; text-align: center; color: #b9a6b1; font: 550 9px/1.6 var(--mono); letter-spacing: .12em; }

.icon-button { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 13px; background: rgba(28,14,25,.62); cursor: pointer; font-size: 18px; }
.mini-wordmark { position: absolute; left: 50%; transform: translateX(-50%); }
.mini-wordmark .brand-mark { width: 33px; height: 33px; }
.mini-wordmark strong, .mini-wordmark b { font-size: 9px; white-space: nowrap; }
.step-label { color: #796571; font: 600 8px/1 var(--mono); letter-spacing: .2em; }
.scene-intro { padding: clamp(49px, 8vh, 84px) 0 46px; position: relative; }
.scene-intro::after { content: ""; position: absolute; width: min(39vw, 440px); height: min(39vw, 440px); right: 2%; top: -34%; border: 1px solid color-mix(in srgb, var(--accent) 12%, transparent); border-radius: 50%; box-shadow: inset 0 0 95px var(--glow), 0 0 100px var(--glow); opacity: .34; }
.scene-code { width: 49px; height: 49px; display: grid; place-items: center; border: 1px solid color-mix(in srgb, var(--accent) 48%, transparent); border-radius: 15px; color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); font: 650 10px/1 var(--mono); letter-spacing: .08em; }
.scene-intro p { margin: 22px 0 10px; color: var(--accent); font: 600 9px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; }
.scene-intro h1 { margin: 0; font-size: clamp(48px, 7vw, 82px); line-height: .95; font-weight: 590; letter-spacing: -.058em; }
.scene-intro > span { display: block; margin-top: 18px; color: #a08c97; font-size: 13px; }
.setup-grid { display: grid; grid-template-columns: 1.3fr .8fr; gap: 18px; align-items: stretch; }
.panel { border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(35,18,31,.78), rgba(15,9,15,.9)); box-shadow: 0 28px 70px rgba(0,0,0,.2); backdrop-filter: blur(14px); }
.control-panel { padding: clamp(22px, 4vw, 38px); }
.control-heading { display: flex; align-items: center; gap: 15px; margin-bottom: 23px; }
.control-heading > span { color: var(--accent); font: 600 9px/1 var(--mono); }
.control-heading strong, .control-heading small { display: block; }
.control-heading strong { font-size: 11px; letter-spacing: .13em; }
.control-heading small { margin-top: 6px; color: #816d79; font-size: 10px; }
.option-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.option-row button { min-height: 76px; border: 1px solid rgba(255,230,242,.1); border-radius: 15px; background: rgba(16,9,15,.72); cursor: pointer; transition: .25s; }
.option-row button.selected { border-color: color-mix(in srgb, var(--accent) 62%, transparent); background: color-mix(in srgb, var(--accent) 10%, rgba(21,10,18,.86)); box-shadow: 0 0 26px var(--glow); }
.option-row strong, .option-row small { display: block; }
.option-row strong { color: #a38e9a; font-size: 20px; font-weight: 520; }
.option-row small { margin-top: 5px; color: #6f5d67; font: 500 8px/1 var(--mono); letter-spacing: .1em; }
.option-row button.selected strong { color: var(--tone); }
.option-row button.selected small { color: var(--accent); }
.library-panel { padding: 25px; display: flex; flex-direction: column; min-height: 307px; }
.library-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.library-heading p { margin: 0 0 8px; color: #75616d; font: 600 8px/1 var(--mono); letter-spacing: .18em; }
.library-heading h2 { margin: 0; font-size: 14px; letter-spacing: .04em; }
.library-heading > span { border: 1px solid var(--line); border-radius: 999px; padding: 7px 9px; color: #75616c; font: 600 7px/1 var(--mono); letter-spacing: .12em; }
.library-heading > span.ready { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.empty-library { flex: 1; min-height: 143px; display: grid; place-items: center; align-content: center; text-align: center; }
.empty-library > img { width: 58px; height: 31px; object-fit: contain; opacity: .9; filter: drop-shadow(0 0 14px var(--accent)); }
.empty-library strong { margin-top: 9px; color: #baa5b0; font-size: 11px; font-weight: 550; }
.empty-library p { margin: 8px 0 0; color: #74616c; font-size: 10px; line-height: 1.6; }
.track-list { list-style: none; padding: 15px 0 8px; margin: 0; max-height: 194px; overflow: auto; }
.track-list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.055); }
.track-list li > span { color: var(--accent); font: 500 8px/1 var(--mono); }
.track-list li strong, .track-list li small { display: block; max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-list li strong { color: #c8b6c0; font-size: 10px; }
.track-list li small { margin-top: 4px; color: #725f69; font: 500 7px/1 var(--mono); letter-spacing: .08em; }
.import-button { width: 100%; min-height: 46px; border: 1px dashed color-mix(in srgb, var(--accent) 42%, transparent); border-radius: 12px; background: color-mix(in srgb, var(--accent) 5%, transparent); color: var(--tone); cursor: pointer; font-size: 9px; font-weight: 650; letter-spacing: .1em; }
.import-button b { margin-right: 7px; color: var(--accent); font-size: 16px; }
.session-note, .silent-note { margin: 10px 0 0; color: #735f69; text-align: center; font-size: 9px; }
.start-button { width: 100%; min-height: 67px; margin-top: 18px; display: flex; align-items: center; justify-content: center; gap: 16px; border: 1px solid color-mix(in srgb, var(--accent) 58%, transparent); border-radius: 18px; background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 18%, rgba(30,14,25,.92)), rgba(25,12,22,.92)); color: var(--tone); cursor: pointer; box-shadow: 0 14px 42px rgba(0,0,0,.22), 0 0 28px color-mix(in srgb, var(--glow) 35%, transparent); font-size: 11px; font-weight: 700; letter-spacing: .2em; }
.start-button b { color: var(--accent); font-size: 17px; }

.scene-dining { background: radial-gradient(circle at 83% 0%, rgba(132,69,48,.35), transparent 31rem), linear-gradient(145deg,#1b1013,#100b10 55%,#0a080c); }
.scene-lounge { background: radial-gradient(circle at 83% 0%, rgba(112,58,151,.34), transparent 31rem), linear-gradient(145deg,#180d1e,#100b17 55%,#0a080d); }
.scene-retail { background: radial-gradient(circle at 83% 0%, rgba(157,45,105,.31), transparent 31rem), linear-gradient(145deg,#1a0c17,#110b13 55%,#0a080c); }
.scene-focus { background: radial-gradient(circle at 83% 0%, rgba(35,120,91,.29), transparent 31rem), linear-gradient(145deg,#0b1715,#0a1112 55%,#070a0c); }
.scene-fitness { background: radial-gradient(circle at 83% 0%, rgba(29,132,174,.29), transparent 31rem), linear-gradient(145deg,#0a151b,#0a1017 55%,#070a0d); }
.scene-drive { background: radial-gradient(circle at 83% 0%, rgba(55,66,168,.34), transparent 31rem), linear-gradient(145deg,#0f1020,#0a0c16 55%,#07080d); }
.scene-relax { background: radial-gradient(circle at 83% 0%, rgba(93,76,161,.31), transparent 31rem), linear-gradient(145deg,#131020,#0c0d17 55%,#08090d); }

.player-view { max-width: 930px; }
.live-chip i { background: #796772; box-shadow: none; }
.live-chip.active { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 28%, transparent); }
.live-chip.active i { background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: pulse 1.6s infinite; }
.player-stage { flex: 1; min-height: 520px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 56px 0 42px; }
.player-stage:fullscreen { min-height: 100vh; padding: 6vh 20px; overflow: hidden; background: radial-gradient(circle at 50% 48%, rgba(132,54,151,.32), transparent 38%), linear-gradient(145deg,#160b19,#08070c); }
.player-stage:fullscreen .visualizer-shell { width: min(52vw, 590px); }
.player-stage:fullscreen .player-scene-label { margin-bottom: 5vh; }
.player-scene-label { margin-bottom: 34px; color: #806b76; font: 600 9px/1 var(--mono); letter-spacing: .18em; }
.player-scene-label span { margin-right: 10px; color: var(--accent); }
.player-scene-label b { font-weight: 600; }
.visualizer-shell { width: clamp(250px, 38vw, 365px); aspect-ratio: 1; position: relative; display: grid; place-items: center; isolation: isolate; }
#audio-visualizer { position: absolute; z-index: -1; left: 50%; top: 50%; width: 168%; height: 168%; transform: translate(-50%, -50%); pointer-events: none; opacity: .72; filter: drop-shadow(0 0 18px var(--glow)); }
.album-orbit { --progress: 0deg; width: 100%; aspect-ratio: 1; position: relative; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(var(--accent) var(--progress), rgba(255,222,239,.08) 0); box-shadow: 0 0 105px var(--glow); }
.album-orbit::before { content: ""; position: absolute; inset: 4px; border-radius: inherit; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 11%, #1a0d17), #0d0910 68%); border: 1px solid rgba(255,255,255,.08); }
.album-center { position: relative; z-index: 2; width: 62%; aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 50%; background: radial-gradient(circle at 35% 26%, color-mix(in srgb, var(--accent) 17%, #29131f), #120a10 70%); box-shadow: inset 0 0 38px rgba(255,255,255,.035), 0 0 50px rgba(0,0,0,.42); }
.album-center > span { margin-bottom: 8px; color: var(--accent); font: 650 8px/1 var(--mono); letter-spacing: .2em; }
.album-center > img { width: 70px; height: 70px; object-fit: contain; margin: -2px 0 7px; opacity: .98; filter: drop-shadow(0 8px 18px rgba(221,61,164,.28)); }
.album-center strong { font-size: clamp(16px, 2.7vw, 24px); line-height: .98; letter-spacing: .05em; text-align: center; }
.album-center small { margin-top: 14px; color: #725e69; font: 500 7px/1 var(--mono); letter-spacing: .15em; }
.orbit-line { position: absolute; z-index: 1; inset: 13%; border: 1px solid rgba(255,255,255,.07); border-radius: 50%; animation: rotate 27s linear infinite; }
.orbit-line.two { inset: 26%; border-style: dashed; animation-direction: reverse; animation-duration: 18s; }
.visualizer-shell.playing .orbit-line.one { animation-duration: 17s; }
.visualizer-shell.playing .orbit-line.two { animation-duration: 11s; }
.visualizer-shell.playing .album-center > img { animation: vinyl-spin 8s linear infinite; }
.session-clock { margin: 28px 0 0; color: #806b76; font: 550 9px/1 var(--mono); letter-spacing: .15em; }
.now-playing { min-height: 116px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; border: 1px solid var(--line); border-radius: 21px; background: rgba(20,11,18,.82); padding: 20px 25px; box-shadow: 0 25px 60px rgba(0,0,0,.25); backdrop-filter: blur(18px); }
.track-meta small, .track-meta strong, .track-meta span { display: block; max-width: 270px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-meta small { margin-bottom: 7px; color: var(--accent); font: 600 7px/1 var(--mono); letter-spacing: .17em; }
.track-meta strong { font-size: 12px; }
.track-meta span { margin-top: 6px; color: #735f69; font-size: 8px; }
.transport { display: flex; align-items: center; gap: 16px; }
.transport button { border: 0; background: transparent; color: #a28b97; cursor: pointer; }
.transport button:disabled { opacity: .25; }
.transport .play-button { width: 55px; height: 55px; border: 1px solid color-mix(in srgb, var(--accent) 56%, transparent); border-radius: 50%; background: color-mix(in srgb, var(--accent) 12%, rgba(20,10,17,.92)); color: var(--tone); box-shadow: 0 0 30px var(--glow); font-size: 15px; }
.volume-control { justify-self: end; display: flex; align-items: center; gap: 10px; color: #725f69; font: 550 7px/1 var(--mono); letter-spacing: .1em; }
.volume-control input { width: 90px; accent-color: var(--accent); }
.end-session { align-self: center; margin-top: 22px; border: 0; border-bottom: 1px solid #5d4c55; background: transparent; padding: 8px 3px; color: #75616c; cursor: pointer; font: 600 8px/1 var(--mono); letter-spacing: .16em; }

@keyframes pulse { 50% { opacity: .35; } }
@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes vinyl-spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 44px; padding-bottom: 42px; }
  .hero-copy { max-width: 760px; }
  .hero-copy h1 { font-size: clamp(52px, 8.2vw, 72px); }
  html[lang="ko"] .hero-copy h1 { max-width: 10.5em; font-size: clamp(52px, 8.2vw, 72px); }
  html[lang="ko"] .hero-copy h1 span, html[lang="ko"] .hero-copy h1 em { display: block; }
  html[lang="ko"] .hero-copy h1 em { margin-top: .12em; }
  html[lang="en"] .hero-copy h1 { font-size: clamp(48px, 7.6vw, 66px); }
  .playlist-preview { width: min(100%, 620px); justify-self: start; min-height: 340px; }
  .channel-grid { grid-template-columns: repeat(2, 1fr); }
  .channel-card { min-height: 285px; }
  .setup-grid { grid-template-columns: 1fr; }
  .scene-intro::after { right: -15%; }
}

@media (max-width: 580px) {
  .home-view, .view-frame { width: min(100% - 28px, 520px); }
  .home-view { padding-top: 17px; }
  .brand-mark { width: 38px; height: 38px; }
  .wordmark strong, .wordmark b { font-size: 9.5px; letter-spacing: .14em; }
  .wordmark small { font-size: 6px; }
  .catalog-chip { padding: 9px 10px; font-size: 7px; }
  .top-actions { gap: 7px; }
  .top-actions .language-switcher { min-height: 31px; padding: 0 8px; }
  .subbar-actions { gap: 7px; }
  .subbar-actions .step-label { display: none; }
  .hero { gap: 38px; padding: 53px 0 36px; }
  .hero-copy h1 { font-size: clamp(36px, 11.2vw, 50px); line-height: 1.04; }
  html[lang="ko"] .hero-copy h1 { font-size: clamp(36px, 11.2vw, 50px); }
  html[lang="en"] .hero-copy h1 { font-size: clamp(33px, 10.3vw, 46px); }
  .hero-copy > p br { display: none; }
  .playlist-preview { min-height: 0; border-radius: 20px; }
  .playlist-header { padding: 20px 18px 17px; }
  .home-playlist { min-height: 185px; padding: 0 18px; }
  .playlist-track { min-height: 65px; grid-template-columns: 34px 1fr auto; gap: 11px; }
  .playlist-track > span { width: 34px; height: 34px; }
  .playlist-empty { min-height: 185px; }
  .playlist-footer { min-height: 48px; padding: 0 18px; }
  .section-heading { margin-top: 12px; }
  .section-heading p { font-size: 9px; }
  .channel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .channel-card { min-height: 238px; padding: 15px; border-radius: 19px; }
  .channel-card::after { left: 15px; right: 15px; top: 70px; }
  .card-number { top: 14px; right: 14px; font-size: 8px; }
  .card-content small { font-size: 6.5px; letter-spacing: .09em; }
  .card-content strong { font-size: clamp(19px, 6vw, 25px); }
  .card-content > span { min-height: 70px; margin-top: 9px; font-size: 10.5px; line-height: 1.55; }
  .card-footer { margin-top: 10px; padding-top: 11px; }
  .card-footer small { display: none; }
  .card-arrow { width: 28px; height: 28px; margin-left: auto; }
  .home-footer { align-items: center; padding-top: 34px; font-size: 8px; }
  .view-frame { padding-top: 14px; }
  .mini-wordmark strong, .mini-wordmark b { display: none; }
  .scene-intro { padding: 44px 0 34px; }
  .scene-intro h1 { font-size: 52px; }
  .scene-intro::after { width: 250px; height: 250px; right: -35%; top: -15%; }
  .panel { border-radius: 19px; }
  .control-panel { padding: 20px; }
  .player-stage { min-height: 480px; padding-top: 46px; }
  .now-playing { grid-template-columns: 1fr auto; gap: 16px; padding: 18px; }
  .volume-control { display: none; }
  .track-meta small, .track-meta strong, .track-meta span { max-width: 175px; }
  .transport { gap: 8px; }
  .transport .play-button { width: 49px; height: 49px; }
}

@media (max-width: 380px) {
  .home-view, .view-frame { width: calc(100% - 20px); }
  .channel-grid { gap: 8px; }
  .channel-card { min-height: 225px; padding: 13px; }
  .card-content strong { font-size: 18px; }
  .card-content > span { font-size: 9.5px; }
  .catalog-chip { max-width: 126px; white-space: nowrap; }
  .hero-copy h1 { font-size: 34px; }
  html[lang="ko"] .hero-copy h1 { font-size: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}