@font-face { font-family: "Pretendard"; src: url("../fonts/PretendardVariable.woff2") format("woff2"); font-weight: 45 920; font-display: block; }
@font-face { font-family: "Hahmlet"; src: url("../fonts/Hahmlet-VF.woff2") format("woff2"); font-weight: 100 900; font-display: block; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/JetBrainsMono-400.woff2") format("woff2"); font-weight: 400; font-display: block; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/JetBrainsMono-500.woff2") format("woff2"); font-weight: 500; font-display: block; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/JetBrainsMono-700.woff2") format("woff2"); font-weight: 700; font-display: block; }

:root {
  /* claude.com CSS 빈도 상위 색(research/claude_code_facts.md 16번) */
  --paper: #f0eee6;
  --paper2: #faf9f5;
  --sand: #e3dacc;
  --line: #d1cfc5;
  --line2: #dedcd1;
  --mist: #e8e6dc;
  --ink: #141413;
  --ink2: #5e5d59;
  --mute: #87867f;
  --clay: #d97757;
  --clay2: #c4633f;
  --clay-soft: #ecc3b1;
  /* 터미널 부(어두움) */
  --slate: #1c1b19;
  --slate2: #262522;
  --slate3: #33312d;
  --term: #e8e6dc;
  --term2: #a5a39b;
  --term3: #6f6d66;
  /* 보조(비교·데이터) */
  --teal: #5e8c82;
  --olive: #8a8f5c;
  --sky: #6f8fb0;
  --plum: #8d6a7c;
  --ok: #7fa86a;
  --bad: #c9584a;

  --serif: "Hahmlet", "Pretendard", serif;
  --sans: "Pretendard", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Pretendard", monospace;
  --bg: var(--paper);
  --fg: var(--ink);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}
body[data-theme="slate"] { background: var(--slate); }
body[data-theme="clay"] { background: var(--clay); }
body[data-theme="photo"] { background: #2a2420; }
button { font: inherit; color: inherit; }

#stage {
  position: absolute; left: 0; top: 0; width: 1920px; height: 1080px;
  transform-origin: 0 0; overflow: hidden;
}
html[data-mode="live"] #stage { box-shadow: 0 0 0 1px rgba(0,0,0,.02); }
#pages { position: absolute; inset: 0; }
.pg { position: absolute; inset: 0; overflow: hidden; background: var(--paper); color: var(--ink); }
.pg[data-theme="slate"] { background: var(--slate); color: var(--term); }
.pg[data-theme="clay"] { background: var(--clay); color: var(--ink); }
.pg[data-theme="photo"] { background: #2a2420; color: var(--paper2); }
.root { position: absolute; inset: 0; }
.full { position: absolute; left: 0; top: 0; }
.abs { position: absolute; }

#wipe { position: absolute; inset: 0; z-index: 5; display: none; background: var(--clay); }

/* 자막 */
#cap {
  position: absolute; left: 50%; bottom: 46px; transform: translateX(-50%);
  width: max-content; max-width: 1560px; z-index: 6;
  font: 500 34px/1.45 var(--sans); letter-spacing: -0.01em; text-align: center;
  color: var(--ink); opacity: 0; pointer-events: none;
  padding: 6px 22px 8px; border-radius: 10px;
}
#cap[data-theme="paper"] { color: var(--ink); background: rgba(240, 238, 230, .82); }
#cap[data-theme="slate"] { color: var(--term); background: rgba(28, 27, 25, .78); }
#cap[data-theme="clay"] { color: var(--ink); background: rgba(217, 119, 87, .0); }
#cap[data-theme="photo"] { color: var(--paper2); background: rgba(20, 20, 19, .55); }
#cap .cw { opacity: .5; background-image: linear-gradient(var(--clay), var(--clay)); background-repeat: no-repeat; background-size: 0% 3px; background-position: 0 100%; }
#cap .cw.said { opacity: 1; }
#cap .cw.now { opacity: 1; background-size: 100% 3px; }
#cap[data-theme="clay"] .cw.now { background-image: linear-gradient(var(--ink), var(--ink)); }
html[data-cap="off"] #cap { display: none; }

/* ───── 실시간 UI ───── */
html:not([data-mode="live"]) #ui, html:not([data-mode="live"]) #start, html:not([data-mode="live"]) #toc { display: none !important; }

#ui {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  padding: 0 18px 14px; pointer-events: none;
  opacity: 0; transform: translateY(8px);
  transition: opacity .35s ease, transform .35s ease;
}
body.awake #ui, body:not(.playing) #ui { opacity: 1; transform: none; }
#ui .row {
  pointer-events: auto; display: flex; align-items: center; gap: 6px;
  max-width: 1100px; margin: 0 auto; padding: 8px 10px;
  background: rgba(20, 20, 19, .78); color: #f0eee6; border-radius: 14px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}
#ui .ib {
  width: 38px; height: 38px; flex: none; display: grid; place-items: center;
  border: 0; border-radius: 9px; background: transparent; cursor: pointer; color: inherit; opacity: .9;
}
#ui .ib:hover { background: rgba(255,255,255,.08); opacity: 1; }
#ui .ib:focus-visible, .toc-item:focus-visible, #b-start:focus-visible, .seg:focus-visible { outline: 2px solid var(--clay); outline-offset: 2px; }
#ui .ib svg { width: 20px; height: 20px; }
#ui .ib[data-on="0"] { opacity: .42; }
#b-play[data-on="1"] .i-play, #b-play[data-on="0"] .i-pause { display: none; }
#ui .meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; padding: 0 8px; }
#ui .line1 { display: flex; gap: 10px; align-items: baseline; font-size: 13px; white-space: nowrap; overflow: hidden; }
#num { font: 600 13px var(--mono); color: var(--clay); flex: none; }
#ttl { overflow: hidden; text-overflow: ellipsis; opacity: .85; }
#segs { display: flex; gap: 3px; height: 14px; align-items: center; }
.seg { flex: 1; height: 14px; padding: 5px 0; border: 0; background: transparent; cursor: pointer; position: relative; }
.seg::before { content: ""; position: absolute; left: 0; right: 0; top: 5px; height: 4px; border-radius: 2px; background: rgba(240,238,230,.18); }
.seg.ch::after { content: ""; position: absolute; left: -2px; top: 2px; width: 1px; height: 10px; background: rgba(240,238,230,.35); }
.seg i { position: absolute; left: 0; right: 0; top: 5px; height: 4px; border-radius: 2px; background: var(--clay); transform-origin: 0 50%; transform: scaleX(0); }
.seg.done i { transform: scaleX(1) !important; background: rgba(240,238,230,.6); }
.seg.cur::before { background: rgba(240,238,230,.32); }
.seg:hover::before { background: rgba(240,238,230,.45); }
#bar-track { display: none; }

/* 시작 화면 */
#start {
  position: fixed; inset: 0; z-index: 30; display: grid; place-items: end center; padding-bottom: 9vh;
  background: linear-gradient(180deg, rgba(240,238,230,0) 45%, rgba(240,238,230,.75) 100%);
  transition: opacity .6s ease, visibility .6s;
}
#start.gone { opacity: 0; visibility: hidden; }
#start .box { display: flex; flex-direction: column; align-items: center; gap: 14px; }
#b-start {
  border: 0; cursor: pointer; background: var(--ink); color: var(--paper2);
  font: 600 20px var(--sans); padding: 18px 34px 18px 28px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 12px; box-shadow: 0 14px 40px rgba(20,20,19,.25);
}
#b-start:hover { background: #000; }
#b-start svg { width: 22px; height: 22px; color: var(--clay); }
#start .hint { font: 500 14px var(--sans); color: var(--ink2); text-align: center; line-height: 1.6; }
#start kbd, #toc kbd { font: 600 12px var(--mono); padding: 2px 6px; border-radius: 5px; background: rgba(20,20,19,.08); }

/* 목차 */
#toc {
  position: fixed; inset: 0; z-index: 25; overflow: auto; padding: 6vh 5vw 120px;
  background: rgba(240,238,230,.97); color: var(--ink);
  opacity: 0; visibility: hidden; transition: opacity .3s ease, visibility .3s;
}
#toc.open { opacity: 1; visibility: visible; }
#toc .toc-head { display: flex; justify-content: space-between; align-items: baseline; max-width: 1280px; margin: 0 auto 28px; gap: 20px; flex-wrap: wrap; }
#toc h2 { font: 800 40px var(--serif); margin: 0; letter-spacing: -0.02em; }
#toc .keys { font-size: 13px; color: var(--ink2); line-height: 2; }
.toc-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 28px 32px; }
.toc-col h3 { font: 700 15px var(--sans); color: var(--clay2); margin: 0 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.toc-item { display: flex; gap: 10px; width: 100%; text-align: left; padding: 7px 6px; border: 0; background: transparent; border-radius: 8px; cursor: pointer; font-size: 15px; line-height: 1.35; }
.toc-item:hover { background: rgba(20,20,19,.05); }
.toc-item .n { font: 600 13px var(--mono); color: var(--mute); padding-top: 1px; }
.toc-item.cur { background: rgba(217,119,87,.14); }
.toc-item.cur .n { color: var(--clay2); }

@media (max-width: 720px) {
  #ui { padding: 0 8px 8px; }
  #ui .row { gap: 2px; padding: 6px; }
  #ui .ib { width: 34px; height: 34px; }
  #b-music, #b-full { display: none !important; }
  #ttl { display: none; }
  #toc { padding: 4vh 16px 120px; }
  #toc h2 { font-size: 28px; }
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #toc { background: rgba(28,27,25,.97); color: var(--term); }
  :root:not([data-theme="light"]) .toc-col h3 { border-color: var(--slate3); }
  :root:not([data-theme="light"]) .toc-item:hover { background: rgba(240,238,230,.06); }
  :root:not([data-theme="light"]) #toc .keys { color: var(--term2); }
}