/* omm deck — 무대, HUD, 슬라이드 레이아웃(아키타입), 인쇄 모드 */

*,
*::before,
*::after { box-sizing: border-box; }

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg-0);
  color: var(--fg-0);
  overflow: hidden;
  font-family: var(--font-sans);
  font-size: var(--t-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  word-break: keep-all;          /* 한글 단어 중간에서 줄바꿈 금지 */
  overflow-wrap: break-word;
}
body.idle { cursor: none; }

/* ───────────────────────── layers ───────────────────────── */

/* 아주 옅은 비네트 */
.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: var(--vignette);
}

/* 필름 그레인 (omm-site와 같은 feTurbulence) */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 50;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 0.9s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-3%, 2%); }
  40% { transform: translate(2%, -4%); }
  60% { transform: translate(-4%, -1%); }
  80% { transform: translate(3%, 3%); }
  100% { transform: translate(0, 0); }
}

/* 1920×1080 무대. deck.js가 창 크기에 맞춰 scale만 바꾼다. */
.stage {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 1920px;
  height: 1080px;
  margin: -540px 0 0 -960px;
  z-index: 10;
  transform-origin: 50% 50%;
}

.slide {
  position: absolute;
  inset: 0;
  padding: var(--safe-top) var(--gutter) var(--s-6);
  visibility: hidden;
  display: flex;
  flex-direction: column;
}
.slide.is-active,
.slide.is-leaving { visibility: visible; }
.slide.is-leaving { pointer-events: none; }
/* visibility 상속만으로 숨기면 Chrome이 애니메이션 걸린 글자(.rv-in)에 숨김 값을 남겨 제목이 안 그려진다 — 꺼진 장은 display 로 완전히 뺀다 */
html:not(.print) .slide:not(.is-active):not(.is-leaving) { display: none; }
.slide > .notes { display: none; }

/* 장 제목 카드(구간 전환). 배경 없이 입자 위에 제목만 크게 띄운다 — 움직임은 deck.js curtain() */
.curtain {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  display: grid;
  place-items: center;
}
.curtain__label {
  font-family: var(--font-sans);
  font-size: min(8.4vw, 15vh);
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--track-display);
  color: var(--fg-0);
  opacity: 0;
  will-change: opacity, filter, transform;
}

/* ───────────────────────── HUD ─────────────────────────
 * igloo.inc 식 mono 계기판. 슬라이드 내용과 겹치지 않는 네 모서리만 쓴다.
 */
.hud {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: clamp(11px, 0.78vw, 15px);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--fg-2);
}
.hud > * { position: absolute; }
.hud__brand { top: 2.4vw; left: 2.6vw; display: flex; align-items: center; gap: 0.8em; color: var(--fg-0); text-transform: none; font-size: 1.3em; letter-spacing: 0; }
.hud__brand svg { width: 1.9em; height: 1.9em; }
.hud__section { top: 2.4vw; left: 50%; transform: translateX(-50%); text-transform: none; }
.hud__section [data-scramble-target] { color: var(--fg-1); }
.hud__count { top: 2.4vw; right: 2.6vw; font-variant-numeric: tabular-nums; }
.hud__count b { color: var(--fg-0); font-weight: 500; }
.hud__progress {
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--line-0);
}
.hud__progress i {
  position: absolute;
  inset: 0;
  background: var(--accent-fill);
  transform-origin: 0 50%;
  transform: scaleX(0);
  transition: transform 900ms var(--ease-out);
}
.hud__timer { bottom: 2.2vw; right: 2.6vw; font-variant-numeric: tabular-nums; opacity: 0; transition: opacity 300ms; }
body.show-timer .hud__timer { opacity: 1; }
.hud__timer.warn { color: var(--accent); }
.hud__timer.over { color: var(--term-err); }
.hud__hint { bottom: 2.2vw; left: 2.6vw; transition: opacity 600ms; }
body.navigated .hud__hint { opacity: 0; }   /* 첫 넘김 뒤에는 조작 안내를 숨긴다 */
.hud__corner { width: 14px; height: 14px; border-color: var(--fg-3); border-style: solid; border-width: 0; }
.hud__corner.tl { top: 1.2vw; left: 1.2vw; border-top-width: 1px; border-left-width: 1px; }
.hud__corner.tr { top: 1.2vw; right: 1.2vw; border-top-width: 1px; border-right-width: 1px; }
.hud__corner.bl { bottom: 1.2vw; left: 1.2vw; border-bottom-width: 1px; border-left-width: 1px; }
.hud__corner.br { bottom: 1.2vw; right: 1.2vw; border-bottom-width: 1px; border-right-width: 1px; }
body.hud-off .hud > :not(.hud__progress) { opacity: 0; }

/* 발표자 노트 (N 키) */
.notes-panel {
  position: fixed;
  left: 2.6vw;
  right: 2.6vw;
  bottom: 4.4vw;
  z-index: 35;
  max-height: 36vh;
  overflow: auto;
  padding: 1.2vw 1.6vw;
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  background: var(--panel-strong);
  backdrop-filter: blur(12px);
  font-size: clamp(14px, 1.1vw, 22px);
  line-height: 1.55;
  color: var(--fg-1);
  display: none;
}
body.show-notes .notes-panel { display: block; }
.notes-panel h6 {
  margin: 0 0 0.6em;
  font: 500 0.75em/1 var(--font-mono);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--fg-2);
}
.notes-panel strong { color: var(--fg-0); }

/* ───────────────────────── typography primitives ───────────────────────── */

.label {
  font-family: var(--font-mono);
  font-size: var(--t-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--fg-2);
}
.label--accent { color: var(--accent); }
.label::before { content: "/ "; color: var(--fg-3); }
.label--bare::before { content: none; }

.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 112%;
  letter-spacing: var(--track-display);
  line-height: var(--lh-tight);
  margin: 0;              /* omm은 항상 소문자. 대문자 변환 금지 */
}
.h-hero,
.h1,
.h2,
.h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: var(--lh-head);
}
.h-hero { font-size: var(--t-hero); line-height: 1.08; letter-spacing: -0.045em; }
.h1 { font-size: var(--t-h1); }
.h2 { font-size: var(--t-h2); }
.h3 { font-size: var(--t-h3); letter-spacing: -0.02em; }
.body { font-size: var(--t-body); line-height: var(--lh-body); color: var(--fg-1); margin: 0; }
.small { font-size: var(--t-small); line-height: var(--lh-body); color: var(--fg-1); margin: 0; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--fg-2); }
.accent { color: var(--accent); }
/* 한 슬라이드에 한 번만: 메시지의 핵심 단어 */
em,
.em { font-style: normal; color: var(--accent); }
/* 형광펜 강조 (wipe 애니메이션은 deck.js가 붙인다) */
.mark {
  position: relative;
  white-space: nowrap;
  color: var(--accent-ink);
  z-index: 0;
}
.mark::before {
  content: "";
  position: absolute;
  inset: 0.04em -0.12em 0;
  background: var(--accent-fill);
  z-index: -1;
  transform-origin: 0 50%;
  transform: scaleX(var(--mark, 1));
}
.cursor-blink::after {
  content: "_";
  color: var(--accent-fill);
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.rule { height: 1px; background: var(--line-1); border: 0; margin: 0; transform-origin: 0 50%; }

/* ───────────────────────── reveal masks (deck.js가 생성) ───────────────────────── */
.rv-mask { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.rv-mask > .rv-in { display: inline-block; will-change: transform; }
.rv-line { display: block; }
.rv-char { display: inline-block; white-space: pre; }

/* ───────────────────────── archetypes ───────────────────────── */

/* 1. cover — 표지 */
.slide--cover { justify-content: flex-end; padding-bottom: var(--s-6); }
.slide--cover .display { font-size: var(--t-mega); }
.slide--cover .cover__row { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-5); margin-top: var(--s-4); }
.slide--cover .cover__tag { max-width: 980px; font-size: var(--t-h3); line-height: 1.3; font-weight: 600; letter-spacing: -0.02em; }

/* 2. section — 구간 표지 */
.slide--section { justify-content: center; }
.slide--section .section__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 62%;
  font-size: 520px;
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 2px var(--fg-3);
  position: absolute;
  right: var(--gutter);
  bottom: var(--s-5);
}
.slide--section .h1 { font-size: 120px; max-width: 1200px; }

/* 3. statement — 한 장 한 메시지 */
.slide--statement { justify-content: center; }
.slide--statement .h-hero { max-width: 1560px; }
.slide--statement .statement__foot { margin-top: var(--s-5); max-width: 1100px; }

/* 4. split — 왼쪽 글, 오른쪽은 배경 입자 모양이 차지 */
.slide--split { display: grid; grid-template-columns: 820px 1fr; align-content: center; column-gap: var(--s-6); }
.slide--split .split__text > * + * { margin-top: var(--s-4); }
.slide--split.is-right { grid-template-columns: 1fr 820px; }
.slide--split.is-right .split__text { grid-column: 2; }

/* 5. stat — 큰 숫자 */
.slide--stat { justify-content: center; }
.stat-row { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: var(--s-5); align-items: end; }
.stat__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 75%;
  font-size: 300px;
  line-height: 0.85;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.stat__num small { font-size: 0.32em; font-stretch: 100%; letter-spacing: 0; margin-left: 0.1em; color: var(--fg-1); }
.stat__label { margin-top: var(--s-3); padding-top: var(--s-3); border-top: 1px solid var(--line-1); font-size: var(--t-small); color: var(--fg-1); line-height: 1.4; }

/* 6. cards — 3~4개 항목을 하나씩 */
.slide--cards .cards__head { margin-bottom: var(--s-5); }
.cards { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); gap: var(--s-3); flex: 1; align-content: start; }
.card {
  position: relative;
  padding: var(--s-4);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  background: var(--panel);
  min-height: 360px;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.card__idx { font-family: var(--font-mono); font-size: var(--t-label); color: var(--accent); letter-spacing: var(--track-label); }
.card__title { font-size: var(--t-h3); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: var(--s-2) 0 0; }
.card__body { font-size: var(--t-small); color: var(--fg-1); line-height: 1.5; margin: 0; }
.card__foot { margin-top: auto; font-family: var(--font-mono); font-size: var(--t-label); color: var(--fg-2); }
.card.is-dim { opacity: 0.35; }

/* 7. terminal — 실제 명령을 타이핑 */
.slide--terminal { display: grid; grid-template-columns: 560px 1fr; column-gap: var(--s-5); align-items: center; }
.term {
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  background: var(--term-bg);
  border-color: var(--term-line);
  box-shadow: var(--term-shadow);
  overflow: hidden;
}
.term__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 20px;
  background: var(--term-bar);
  border-bottom: 1px solid var(--term-line);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--fg-2);
}
.term__bar i { width: 13px; height: 13px; border-radius: 50%; background: var(--term-line); }
.term__bar span { margin-left: auto; }
.term__body {
  margin: 0;
  padding: 28px 32px 36px;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.5;
  color: var(--term-fg);
  white-space: pre;
  min-height: 560px;
}
.term__body .p { color: var(--accent-fill); }
.term__body .c { color: var(--term-cmd); }
.term__body .ok { color: var(--term-ok); }
.term__body .err { color: var(--term-err); }
.term__body .dim { color: var(--term-dim); }

/* 8. diagram — SVG 선이 그려지는 구조도 */
.slide--diagram .diagram__head { margin-bottom: var(--s-4); }
.diagram { flex: 1; position: relative; }
.diagram svg { width: 100%; height: 100%; overflow: visible; }
.diagram .d-line { fill: none; stroke: var(--fg-3); stroke-width: 2; }
.diagram .d-line.is-hot { stroke: var(--accent-fill); }
.diagram .d-node rect { fill: var(--panel-solid); stroke: var(--line-1); stroke-width: 1.5; }
.diagram .d-node.is-hot rect { stroke: var(--accent-fill); fill: var(--accent-wash); }
.diagram .d-node text { fill: var(--fg-0); font-family: var(--font-mono); font-size: 22px; }
.diagram .d-node .sub { fill: var(--fg-2); font-size: 17px; }
.diagram .d-pulse { fill: var(--accent-fill); }

/* 9. timeline — 로드맵 */
.slide--timeline .timeline__head { margin-bottom: var(--s-6); }
.timeline { position: relative; display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: var(--s-4); padding-top: var(--s-5); }
.timeline__track { position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--line-1); }
.timeline__track i { position: absolute; inset: 0; background: var(--accent-fill); transform-origin: 0 50%; transform: scaleX(var(--progress, 0)); }
.milestone { position: relative; }
.milestone::before {
  content: "";
  position: absolute;
  top: calc(-1 * var(--s-5) - 9px);
  left: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-0);
  border: 2px solid var(--fg-3);
}
.milestone.is-done::before { border-color: var(--accent-fill); background: var(--accent-fill); }
.milestone.is-now::before { border-color: var(--accent-fill); box-shadow: 0 0 0 8px var(--accent-wash); }
.milestone__when { font-family: var(--font-mono); font-size: var(--t-label); color: var(--fg-2); letter-spacing: var(--track-label); text-transform: uppercase; }
.milestone__what { margin-top: var(--s-2); font-size: var(--t-h3); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.milestone__body { margin-top: var(--s-2); font-size: var(--t-small); color: var(--fg-1); line-height: 1.45; }

/* 10. video — 시연 영상 */
.slide--video { padding: var(--safe-top) var(--gutter) var(--s-5); }
.video-frame {
  position: relative;
  flex: 1;
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-1);
}
.video-frame video { width: 100%; height: 100%; object-fit: contain; display: block; background: #000; }
.video-frame__empty { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: var(--fg-2); font-family: var(--font-mono); font-size: var(--t-small); }
.video-meta { display: flex; justify-content: space-between; margin-top: var(--s-2); }

/* 11. team — 팀 (소속 정보 금지) */
.slide--team { justify-content: center; }
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); margin-top: var(--s-5); }
.member { border-top: 1px solid var(--line-1); padding-top: var(--s-3); }
.member__role { font-family: var(--font-mono); font-size: var(--t-label); color: var(--accent); letter-spacing: var(--track-label); text-transform: uppercase; }
.member__name { font-size: var(--t-h2); font-weight: 700; letter-spacing: -0.03em; margin-top: var(--s-2); }
.member__body { font-size: var(--t-small); color: var(--fg-1); margin-top: var(--s-1); line-height: 1.45; }

/* 12. closing */
.slide--closing { justify-content: flex-end; align-items: flex-start; }
.slide--closing .display { font-size: 200px; }
.closing__links { display: flex; gap: var(--s-5); margin-top: var(--s-4); font-family: var(--font-mono); font-size: var(--t-h3); }
.closing__links span { color: var(--fg-2); }

/* 마퀴 (landonorris 식 흐르는 띠) */
.marquee { overflow: hidden; white-space: nowrap; width: 100%; }
.marquee__track { display: inline-flex; gap: 0.6em; animation: marquee var(--marquee-dur, 28s) linear infinite; }
.marquee__track > * { flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 레이아웃 유틸 */
.stack > * + * { margin-top: var(--s-3); }
.stack-lg > * + * { margin-top: var(--s-5); }
.row { display: flex; gap: var(--s-4); align-items: baseline; }
.grow { flex: 1; }
.max-12 { max-width: 1200px; }
.max-10 { max-width: 1000px; }

/* ───────────────────────── reduced motion ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .grain,
  .marquee__track { animation: none; }
}

/* ───────────────────────── print (?print) ─────────────────────────
 * 제출용 PDF: 크롬 인쇄 → PDF 저장. 슬라이드마다 1920×1080 한 장.
 */
@page { size: 1920px 1080px; margin: 0; }
html.print,
html.print body { overflow: visible; height: auto; background: var(--bg-0); }
html.print .vignette,
html.print .hud,
html.print .curtain,
html.print .notes-panel,
html.print .grain { display: none; }
html.print .stage { position: static; margin: 0; transform: none !important; width: auto; height: auto; }
html.print .slide {
  position: relative;
  visibility: visible;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
  break-after: page;
  background: var(--bg-0);
}
html.print .slide::after {
  /* 인쇄본에도 그레인과 비네트를 굽는다 */
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--vignette);
}
html.print .slide .print-folio {
  position: absolute;
  right: var(--gutter);
  bottom: 48px;
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: var(--track-label);
  color: var(--fg-2);
}
@media print {
  html,
  body { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}