/*
 * philo 계획 탐색기 — B7-1 · B2-1 흐름 탐색기의 틀을 그대로 가져왔다.
 * 색은 '실행하는 쪽'이다: main 분홍 · 철학자 초록 · 감시자 파랑 · 공유 데이터 노랑 · 공통 도구 청록 · 터미널 주황 · OS 회색
 * 11. philo 특수 장면은 맨 아래
 * 1. 색·글꼴  2. 뼈대  3. 공통 부품  4. 순서도(seq)  5. 검문소(gate)  6. 상태(states)·지도(graph)
 * 7. 특수 장면  8. 설명 패널  9. 좁은 화면·발표 모드  10. 움직임
 */

/* ===== 1. 색·글꼴 ===== */
:root {
  --bg: #F4F5FB;
  --surface: #FFFFFF;
  --surface-2: #F8F9FD;
  --line: #E0E3F0;
  --line-strong: #7C83B0;
  --text: #1E2240;
  --muted: #5A6086;
  --accent: #4F46E5;
  --accent-soft: #E3E6FF;
  --accent-text: #3730A3;
  --on-accent: #FFFFFF;

  --ok: #157A3A;      --ok-soft: #DCFCE7;
  --bad: #B3330F;     --bad-soft: #FFE8E0;
  --warn: #9A4A00;    --warn-soft: #FFF1D6;
  --info: #1D4ED8;    --info-soft: #DCE8FF;

  /* 계층 색: workflows.md 의 그림과 같은 계열 */
  --own-C: #D02C7C;   --own-C-soft: #FCD6E8;
  --own-S: #1E9A52;   --own-S-soft: #CFF5DD;
  --own-R: #2F6FE4;   --own-R-soft: #D3E3FF;
  --own-M: #B97700;   --own-M-soft: #FDECB0;
  --own-T: #0E8A8A;   --own-T-soft: #CCF3EF;
  --own-user: #D9480F; --own-user-soft: #FFE3D3;
  --own-file: #5B6B82; --own-file-soft: #E3E8F0;

  --term-bg: #151A2E;
  --term-text: #E6E9FF;

  --font-body: "Pretendard Variable", "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  --font-display: "Jua", var(--font-body);
  --font-mono: ui-monospace, "SF Mono", "D2Coding", Menlo, Consolas, monospace;

  --radius: 18px;
  --shadow: 0 1px 2px rgba(30, 34, 64, .06), 0 10px 30px rgba(30, 34, 64, .08);
  --shadow-strong: 0 2px 6px rgba(30, 34, 64, .10), 0 18px 40px rgba(30, 34, 64, .14);
  --nav-w: 248px;
  --talk-w: 340px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #10132A;
  --surface: #1A1E3A;
  --surface-2: #20254A;
  --line: #31375F;
  --line-strong: #7A82C2;
  --text: #ECEEFF;
  --muted: #B0B5DD;
  --accent: #8E8BFF;
  --accent-soft: #2B2E66;
  --accent-text: #CFCEFF;
  --on-accent: #12142E;
  --ok: #5BE08F;      --ok-soft: #133524;
  --bad: #FF8E74;     --bad-soft: #3D1C17;
  --warn: #FFC861;    --warn-soft: #3A2A0B;
  --info: #8DB6FF;    --info-soft: #16294C;
  --own-C: #FF6FB0;   --own-C-soft: #461731;
  --own-S: #4FD487;   --own-S-soft: #12392A;
  --own-R: #6EA0FF;   --own-R-soft: #172E57;
  --own-M: #F2B83A;   --own-M-soft: #3F3210;
  --own-T: #3FD3C6;   --own-T-soft: #0F3836;
  --own-user: #FF9B66; --own-user-soft: #44220F;
  --own-file: #9AA9C0; --own-file-soft: #2A3245;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .3);
  --shadow-strong: 0 2px 6px rgba(0, 0, 0, .4), 0 18px 40px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10132A;
    --surface: #1A1E3A;
    --surface-2: #20254A;
    --line: #31375F;
    --line-strong: #7A82C2;
    --text: #ECEEFF;
    --muted: #B0B5DD;
    --accent: #8E8BFF;
    --accent-soft: #2B2E66;
    --accent-text: #CFCEFF;
    --on-accent: #12142E;
    --ok: #5BE08F;      --ok-soft: #133524;
    --bad: #FF8E74;     --bad-soft: #3D1C17;
    --warn: #FFC861;    --warn-soft: #3A2A0B;
    --info: #8DB6FF;    --info-soft: #16294C;
    --own-C: #FF6FB0;   --own-C-soft: #461731;
    --own-S: #4FD487;   --own-S-soft: #12392A;
    --own-R: #6EA0FF;   --own-R-soft: #172E57;
    --own-M: #F2B83A;   --own-M-soft: #3F3210;
    --own-T: #3FD3C6;   --own-T-soft: #0F3836;
    --own-user: #FF9B66; --own-user-soft: #44220F;
    --own-file: #9AA9C0; --own-file-soft: #2A3245;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .3);
    --shadow-strong: 0 2px 6px rgba(0, 0, 0, .4), 0 18px 40px rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}

/* 계층 클래스: 부품은 --own / --own-soft 만 본다 */
.own-C { --own: var(--own-C); --own-soft: var(--own-C-soft); }
.own-S { --own: var(--own-S); --own-soft: var(--own-S-soft); }
.own-R { --own: var(--own-R); --own-soft: var(--own-R-soft); }
.own-M { --own: var(--own-M); --own-soft: var(--own-M-soft); }
.own-T { --own: var(--own-T); --own-soft: var(--own-T-soft); }
.own-user { --own: var(--own-user); --own-soft: var(--own-user-soft); }
.own-file { --own: var(--own-file); --own-soft: var(--own-file-soft); }
.own-ok { --own: var(--ok); --own-soft: var(--ok-soft); }
.own-bad { --own: var(--bad); --own-soft: var(--bad-soft); }
.own-warn { --own: var(--warn); --own-soft: var(--warn-soft); }
.own-info { --own: var(--info); --own-soft: var(--info-soft); }
[hidden] { display: none !important; }
.tone-ok { --tone: var(--ok); --tone-soft: var(--ok-soft); }
.tone-bad { --tone: var(--bad); --tone-soft: var(--bad-soft); }
.tone-warn { --tone: var(--warn); --tone-soft: var(--warn-soft); }
.tone-info { --tone: var(--info); --tone-soft: var(--info-soft); }

/* ===== 2. 뼈대 ===== */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p { margin: 0; }
button, select { font: inherit; color: inherit; }
code, .mono { font-family: var(--font-mono); font-size: .92em; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--accent); color: var(--on-accent);
  padding: 8px 14px; border-radius: 999px; text-decoration: none; font-weight: 700;
}
.skip:focus { top: 12px; }

.app {
  display: grid;
  grid-template-columns: var(--nav-w) minmax(0, 1fr) var(--talk-w);
  grid-template-areas: "nav main talk";
  height: 100vh;
  height: 100dvh;
}

.nav {
  grid-area: nav;
  background: var(--surface);
  border-right: 1px solid var(--line);
  overflow-y: auto;
  padding: 18px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.brand { display: flex; align-items: center; gap: 10px; padding: 0 6px; }
.brand strong { display: block; font-family: var(--font-display); font-size: 21px; font-weight: 400; color: var(--accent-text); line-height: 1.1; }
.brand span { font-size: 12px; color: var(--muted); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 12px; flex: none; display: grid; place-items: center;
  background: var(--accent-soft); box-shadow: inset 0 0 0 2px var(--accent);
}
.brand-mark::before {
  content: "φ"; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  background: #FFCF3D; color: #8A5E00; font-weight: 900; font-size: 12px; box-shadow: 0 0 0 2px #1E2240;
}

.nav-list { display: flex; flex-direction: column; gap: 10px; }
.nav-group h2 { font-size: 11px; letter-spacing: .06em; color: var(--muted); font-weight: 700; padding: 0 8px 4px; }
.nav-group ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.nav-link {
  display: flex; align-items: center; gap: 8px; width: 100%;
  border: 0; background: none; text-align: left; cursor: pointer;
  padding: 7px 10px; border-radius: 12px; font-size: 14px; color: var(--text);
  transition: background .15s;
}
.nav-link:hover { background: var(--surface-2); }
.nav-link[aria-current="page"] { background: var(--accent-soft); color: var(--accent-text); font-weight: 700; }
.nav-link .no { font-size: 11px; width: 20px; height: 20px; border-radius: 7px; display: grid; place-items: center; background: var(--surface-2); color: var(--muted); flex: none; font-weight: 700; }
.nav-link[aria-current="page"] .no { background: var(--accent); color: var(--on-accent); }
.nav-link .nav-title { flex: 1; min-width: 0; }

.legend { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 6px 0; border-top: 1px solid var(--line); }
.legend span { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--own-soft); border: 1px solid var(--own); }

.main { grid-area: main; display: flex; flex-direction: column; min-width: 0; min-height: 0; }

.topbar { display: flex; align-items: flex-start; gap: 12px; padding: 16px 22px 6px; }
.heading { flex: 1; min-width: 0; }
.eyebrow { font-size: 12px; font-weight: 700; color: var(--accent-text); letter-spacing: .04em; }
.heading h1 { font-family: var(--font-display); font-weight: 400; font-size: 28px; line-height: 1.2; margin-top: 2px; }
.heading p { color: var(--muted); font-size: 14px; margin-top: 4px; max-width: 70ch; }
.top-actions { display: flex; gap: 6px; }
.nav-toggle { display: none; }

.scenarios { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 22px 10px; }
.scenarios:empty { display: none; }

.stage {
  flex: 1; min-height: 0; overflow: auto; position: relative;
  padding: 6px 22px 28px;
  scroll-behavior: smooth;
}
.stage:focus { outline: none; }
.stage-inner { animation: stageIn .35s ease both; }

.controls {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 18px; border-top: 1px solid var(--line); background: var(--surface);
}
.controls.hidden-steps .ctrl-group, .controls.hidden-steps .progress, .controls.hidden-steps .step-count, .controls.hidden-steps .speed { display: none; }
.controls.hidden-steps::before { content: "이 장면은 직접 눌러 보며 설명해요"; color: var(--muted); font-size: 13px; }
.ctrl-group { display: flex; align-items: center; gap: 6px; }
.progress { flex: 1; min-width: 120px; display: flex; gap: 3px; height: 26px; align-items: center; }
.progress button {
  flex: 1; height: 8px; border: 0; padding: 0; border-radius: 99px; cursor: pointer;
  background: var(--line); transition: background .2s, transform .2s;
}
.progress button:hover { transform: scaleY(1.6); }
.progress button.done { background: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.progress button.now { background: var(--accent); transform: scaleY(1.6); }
.step-count { font-variant-numeric: tabular-nums; font-size: 13px; color: var(--muted); min-width: 64px; text-align: right; }
.speed { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.speed select { border: 1px solid var(--line); background: var(--surface-2); border-radius: 10px; padding: 3px 6px; }

/* ===== 3. 공통 부품 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1.5px solid var(--line-strong); background: var(--surface);
  border-radius: 999px; padding: 6px 14px; cursor: pointer; font-weight: 600; font-size: 14px;
  transition: background .15s, transform .1s, box-shadow .15s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(.97); }
.btn.primary, .btn.play { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover, .btn.play:hover { background: color-mix(in srgb, var(--accent) 88%, black); }
.btn.play { min-width: 92px; justify-content: center; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.icon-btn {
  width: 36px; height: 36px; border-radius: 12px; flex: none;
  border: 1px solid var(--line); background: var(--surface); cursor: pointer;
  display: grid; place-items: center; font-size: 15px;
  transition: background .15s, transform .1s;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn:active { transform: scale(.94); }
.icon-btn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.tab {
  border: 1.5px solid var(--line); background: var(--surface); border-radius: 999px;
  padding: 5px 12px 5px 9px; cursor: pointer; font-size: 13.5px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 7px; transition: all .15s;
}
.tab::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--tone, var(--line-strong)); }
.tab:hover { border-color: var(--line-strong); }
.tab[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.tab[aria-selected="true"]::before { background: var(--on-accent); }
.tab kbd { font-size: 10px; opacity: .65; font-family: var(--font-mono); }

.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700;
  background: var(--tone-soft, var(--surface)); color: var(--tone, var(--text));
  border: 1px solid color-mix(in srgb, var(--tone, var(--line-strong)) 55%, transparent);
  white-space: nowrap; max-width: 100%; overflow: hidden; text-overflow: ellipsis;
}
.chip.pop { animation: pop .45s cubic-bezier(.2, 1.4, .4, 1); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px;
}

.term {
  margin-top: 16px; background: var(--term-bg); color: var(--term-text);
  border-radius: 14px; padding: 10px 14px 12px; font: 12px/1.65 var(--font-mono);
  box-shadow: var(--shadow); max-height: 230px; overflow: auto;
}
.term-title { display: flex; align-items: center; gap: 6px; color: #A79FD6; font-size: 11px; margin-bottom: 6px; font-family: var(--font-body); font-weight: 700; }
.term-title i { width: 9px; height: 9px; border-radius: 50%; background: #FF6B6B; display: inline-block; }
.term-title i:nth-child(2) { background: #FFC94D; }
.term-title i:nth-child(3) { background: #4CD58A; margin-right: 6px; }
.term .ln { white-space: pre-wrap; word-break: break-all; opacity: .55; }
.term .ln.new { opacity: 1; animation: typeIn .4s ease both; }
.term .lv-INFO { color: #8EE3AE; }
.term .lv-WARNING { color: #FFCB6B; }
.term .lv-ERROR { color: #FF8F7A; }
.term .ev { color: #FFFFFF; font-weight: 700; }
.term .empty { color: #8C84B8; font-style: italic; }

/* ===== 4. 순서도 (seq) ===== */
.seq { position: relative; min-width: calc(var(--n) * 96px); }
.seq-head {
  display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr));
  position: sticky; top: -6px; z-index: 5; padding: 8px 0 10px;
  background: linear-gradient(var(--bg) 82%, color-mix(in srgb, var(--bg) 0%, transparent));
}
.lane {
  justify-self: center; text-align: center; min-width: 0; max-width: calc(100% - 8px);
  background: var(--own-soft); border: 1.5px solid var(--own); border-radius: 14px;
  padding: 6px 10px; font-size: 13px; line-height: 1.3; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
}
.lane b { display: block; }
.lane small { display: block; color: var(--muted); font-size: 11px; }
.lane .chip-slot { display: block; margin-top: 4px; min-height: 0; }
.lane .chip-slot:empty { display: none; }
.lane.active { transform: translateY(-2px); box-shadow: 0 0 0 4px color-mix(in srgb, var(--own) 30%, transparent), var(--shadow-strong); }
.seq-body { position: relative; padding: 4px 0 12px; }
.lifeline { position: absolute; top: 0; bottom: 0; width: 0; border-left: 2px dashed color-mix(in srgb, var(--own) 45%, var(--line)); transform: translateX(-1px); }
.seq-rows { list-style: none; margin: 0; padding: 0; position: relative; }
.seq-row { position: relative; padding: 6px 0 8px; transition: opacity .35s, filter .35s; }
.seq-row.todo { opacity: .2; filter: grayscale(1); }
.seq-row.done { opacity: .5; }
.seq-row.now { opacity: 1; }
.seq-row .group-tag {
  position: absolute; right: 0; top: 2px; font-size: 10px; font-weight: 700; color: var(--muted);
  border: 1px dashed var(--line-strong); border-radius: 6px; padding: 0 5px; background: var(--surface);
}
.seq-row { cursor: pointer; }
.msg { position: relative; }
.msg .label {
  display: block; text-align: center; font-size: 13px; line-height: 1.35; padding: 0 6px 5px;
}
.msg .label .no {
  display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%;
  background: var(--own); color: var(--surface); font-size: 10px; font-weight: 800; margin-right: 4px; vertical-align: 1px;
}
.msg .label .txt {
  background: color-mix(in srgb, var(--bg) 90%, transparent); border-radius: 6px; padding: 0 4px;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.seq-row.now .msg .label { font-weight: 700; }
.seq-row.now .msg .label .txt { background: color-mix(in srgb, var(--own-soft) 85%, var(--bg)); }
.msg .line { position: relative; height: 0; border-top: 2.5px solid var(--own); transform-origin: left center; }
.msg.left .line { transform-origin: right center; }
.msg .line::after {
  content: ""; position: absolute; top: -7px; right: -2px;
  border: 6px solid transparent; border-left: 10px solid var(--own); border-right: 0;
}
.msg.left .line::after { right: auto; left: -2px; border-left: 0; border-right: 10px solid var(--own); }
.kind-res .msg .line { border-top-style: dashed; }
.kind-err .msg { --own: var(--bad); }
.kind-err .msg .label { color: var(--bad); }
.kind-lost .msg .line { border-top: 2.5px dashed var(--bad); }
.kind-lost .msg .line::after { border-left-color: transparent; }
.kind-lost .msg .line::before {
  content: "✕"; position: absolute; left: 62%; top: -12px; color: var(--bad); font-weight: 900; font-size: 15px;
  background: var(--bg); padding: 0 3px;
}
.seq-row.now .msg .line { animation: drawLine .55s ease both; }
.msg.self { display: flex; align-items: center; gap: 8px; }
.msg.self .loop {
  flex: none; width: 26px; height: 20px; border: 2.5px solid var(--own); border-left: 0;
  border-radius: 0 12px 12px 0; position: relative;
}
.msg.self .loop::after {
  content: ""; position: absolute; left: -2px; bottom: -6px;
  border: 5px solid transparent; border-right: 8px solid var(--own); border-left: 0;
}
.msg.self .label { text-align: left; padding: 0; max-width: 100%; }
.msg.self.flip { flex-direction: row-reverse; }
.msg.self.flip .label { text-align: right; }
.msg.self.flip .loop { border: 2.5px solid var(--own); border-right: 0; border-radius: 12px 0 0 12px; }
.msg.self.flip .loop::after { left: auto; right: -2px; border-right: 0; border-left: 8px solid var(--own); }
.msg.note {
  border: 1.5px dashed var(--line-strong); background: var(--surface-2); border-radius: 12px;
  padding: 6px 10px; font-size: 12.5px; color: var(--muted); text-align: center;
}
.msg.note .no {
  display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%;
  background: var(--line-strong); color: var(--surface); font-size: 10px; font-weight: 800; margin-right: 6px; vertical-align: 1px;
}
.packet {
  position: absolute; z-index: 6; width: 16px; height: 16px; border-radius: 50%;
  background: var(--own); transform: translate(-50%, -50%); opacity: 0; pointer-events: none;
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--own) 28%, transparent), 0 0 22px var(--own);
}
.packet.on { opacity: 1; }
.packet.err { background: var(--bad); box-shadow: 0 0 0 5px color-mix(in srgb, var(--bad) 28%, transparent), 0 0 22px var(--bad); }
.packet-tag {
  position: absolute; z-index: 6; transform: translate(-50%, -150%); opacity: 0; pointer-events: none;
  font-size: 11px; font-weight: 800; padding: 1px 7px; border-radius: 99px; white-space: nowrap;
  background: var(--own); color: var(--surface);
}
.packet-tag.on { opacity: 1; }

/* ===== 5. 검문소 (gate) ===== */
.gates { display: grid; grid-template-columns: 34px minmax(0, 1.25fr) minmax(0, 1fr); column-gap: 14px; row-gap: 10px; position: relative; padding-top: 30px; }
.exit-slot { grid-column: 3; align-self: center; }
.exit-slot:empty { display: none; }
.rail-dot.back { background: var(--warn); border-color: var(--warn); }
.graph-wrap { overflow-x: auto; overflow-y: visible; padding: 4px 2px; }
.graph-wrap > .canvas { min-width: 600px; }
.gates::before {
  content: ""; position: absolute; left: 16px; top: 14px; bottom: 14px; width: 3px; border-radius: 3px;
  background: repeating-linear-gradient(var(--line-strong) 0 6px, transparent 6px 11px);
  opacity: .5;
}
.rail-dot { grid-column: 1; align-self: center; justify-self: center; width: 12px; height: 12px; border-radius: 50%; background: var(--surface); border: 2px solid var(--line-strong); z-index: 1; transition: all .3s; }
.rail-dot.pass { background: var(--ok); border-color: var(--ok); }
.rail-dot.fail { background: var(--bad); border-color: var(--bad); }
/* 무대가 넓을 때만 로그 창을 검문소 옆에 둔다 (좁으면 아래) */
.stage { container-type: inline-size; container-name: stage; }
@container stage (min-width: 860px) {
  .gate-scene.with-term { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(250px, .75fr); column-gap: 18px; align-items: start; }
  .gate-scene.with-term .gate-input { grid-column: 1 / -1; }
  .gate-scene.with-term .term { position: sticky; top: 0; margin-top: 30px; max-height: calc(100vh - 290px); }
  .gate-scene.with-term .gates { grid-template-columns: 30px minmax(0, 1.1fr) minmax(0, .9fr); column-gap: 10px; }
}
.gate {
  grid-column: 2; display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1.5px solid var(--line); border-left: 6px solid var(--own);
  border-radius: 14px; padding: 6px 11px; box-shadow: var(--shadow); min-width: 0;
  transition: border-color .3s, box-shadow .3s, opacity .3s, transform .3s;
}
.gate .st {
  flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 900; font-size: 14px; background: var(--surface-2); color: var(--muted); border: 1.5px solid var(--line);
  transition: all .3s;
}
.gate b { display: block; font-size: 14px; line-height: 1.35; }
.gate small { display: block; color: var(--muted); font-size: 11.5px; line-height: 1.35; }
.gate > div { min-width: 0; }
.gate .who { margin-left: auto; font-size: 10.5px; font-weight: 800; color: var(--own); white-space: nowrap; }
.gate.pass .st { background: var(--ok-soft); color: var(--ok); border-color: var(--ok); }
.gate.fail { border-color: var(--bad); animation: shake .5s; }
.gate.fail .st { background: var(--bad-soft); color: var(--bad); border-color: var(--bad); }
.gate.exitok .st, .gate.done .st { background: var(--ok-soft); color: var(--ok); border-color: var(--ok); }
.gate.done { border-color: var(--ok); }
.gate.back .st { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.gate.now { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent), var(--shadow-strong); transform: translateX(3px); }
.gate.unused { opacity: .4; }
.exit {
  border-radius: 14px; padding: 8px 12px;
  background: var(--tone-soft); color: var(--tone); border: 1.5px solid var(--tone);
  animation: slideIn .45s cubic-bezier(.2, 1.2, .4, 1) both; box-shadow: var(--shadow);
}
.exit .status { font-family: var(--font-display); font-size: 24px; line-height: 1; }
.exit .code { font-family: var(--font-mono); font-size: 12px; font-weight: 700; }
.exit p { font-size: 12.5px; color: var(--text); margin-top: 4px; }
.gate-token {
  position: absolute; left: 17px; z-index: 4; width: 22px; height: 22px; border-radius: 50%;
  transform: translate(-50%, -50%); background: var(--accent);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 25%, transparent), 0 0 24px var(--accent);
  transition: background .3s, box-shadow .3s;
}
.gate-token.bad { background: var(--bad); box-shadow: 0 0 0 6px color-mix(in srgb, var(--bad) 25%, transparent), 0 0 24px var(--bad); }
.gate-token.ok { background: var(--ok); box-shadow: 0 0 0 6px color-mix(in srgb, var(--ok) 25%, transparent), 0 0 24px var(--ok); }
.gate-input {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 2px 0 14px;
  padding: 10px 14px; border-radius: 14px; background: var(--surface); border: 1px dashed var(--line-strong);
  font-size: 13.5px;
}
.gate-input b { color: var(--accent-text); }

/* ===== 6. 상태(states)·지도(graph) ===== */
.canvas { position: relative; width: 100%; }
.canvas > svg.edges { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.edges path { fill: none; stroke: color-mix(in srgb, var(--line-strong) 70%, transparent); stroke-width: 2; transition: stroke .3s, stroke-width .3s, opacity .3s; }
.edges path.dashed { stroke-dasharray: 6 6; }
.edges path.lit { stroke: var(--accent); stroke-width: 3; }
.edges path.flow { stroke: var(--accent); stroke-width: 3; stroke-dasharray: 8 8; animation: flow 1s linear infinite; }
.edges path.dim { opacity: .25; }
.edges marker path { stroke: none; fill: var(--line-strong); }
.edges marker.lit path { fill: var(--accent); }
.edge-label {
  position: absolute; transform: translate(-50%, -50%); z-index: 2; pointer-events: none;
  font-size: 11.5px; font-weight: 600; padding: 1px 7px; border-radius: 8px; white-space: nowrap;
  background: var(--bg); color: var(--muted); border: 1px solid var(--line); transition: all .3s;
}
.edge-label.lit { color: var(--accent-text); border-color: var(--accent); background: var(--accent-soft); }
.node {
  position: absolute; transform: translate(-50%, -50%); z-index: 3;
  background: var(--own-soft); border: 2px solid var(--own); border-radius: 16px;
  padding: 8px 12px; text-align: center; min-width: 96px; max-width: 23%;
  box-shadow: var(--shadow); cursor: pointer; font-size: 13px; line-height: 1.3;
  transition: transform .25s, box-shadow .25s, opacity .25s;
}
.node b { display: block; font-size: 14px; }
.node small { display: block; color: var(--muted); font-size: 11.5px; margin-top: 2px; }
.node:hover, .node.hover { transform: translate(-50%, -50%) scale(1.05); box-shadow: var(--shadow-strong); }
.node.lit { box-shadow: 0 0 0 5px color-mix(in srgb, var(--own) 32%, transparent), var(--shadow-strong); }
.node.now { animation: nodePulse 1.4s ease-in-out infinite; }
.node.dim { opacity: .35; }
.node.warn { --own: var(--bad); --own-soft: var(--bad-soft); }
.node.round { border-radius: 999px; }
.node.db { border-radius: 16px 16px 40% 40% / 16px 16px 22px 22px; }
.node.diamond { border-radius: 10px; border-style: double; border-width: 4px; }
.flow-packet {
  position: absolute; z-index: 4; width: 16px; height: 16px; border-radius: 50%; pointer-events: none;
  transform: translate(-50%, -50%); background: var(--accent); opacity: 0;
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 28%, transparent), 0 0 22px var(--accent);
}
.flow-packet.on { opacity: 1; }
.state { min-width: 130px; max-width: 210px; cursor: default; }
.state.now { box-shadow: 0 0 0 7px color-mix(in srgb, var(--own) 30%, transparent), var(--shadow-strong); transform: translate(-50%, -50%) scale(1.07); }
.state.idle { opacity: .55; }
.state.start { min-width: 0; width: 30px; height: 30px; padding: 0; border-radius: 50%; background: var(--text); border-color: var(--text); }
.events { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; align-items: center; }
.events .hint { font-size: 13px; color: var(--muted); margin-right: 4px; }
.events .btn { animation: fadeUp .3s ease both; }
.sm-below { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 400px); gap: 18px; align-items: start; margin-top: 6px; }

/* ===== 7. 특수 장면 ===== */
/* 홈 */
.home-hero { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; padding: 20px; }
.home-hero .big-mascot { width: 96px; height: 96px; animation: bob 3.2s ease-in-out infinite; }
.home-hero h2 { font-family: var(--font-display); font-weight: 400; font-size: 26px; }
.home-hero p { color: var(--muted); margin-top: 6px; }
.stats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.stats span { background: var(--accent-soft); color: var(--accent-text); border-radius: 999px; padding: 3px 12px; font-size: 13px; font-weight: 700; }
.ask-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; margin-top: 16px; }
.ask-card {
  text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: 16px; padding: 12px 14px;
  cursor: pointer; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s;
  animation: fadeUp .4s ease both;
}
.ask-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-strong); border-color: var(--accent); }
.ask-card q { display: block; font-weight: 700; font-size: 14px; quotes: "“" "”"; }
.ask-card span { display: block; margin-top: 6px; font-size: 12px; color: var(--accent-text); font-weight: 700; }
.section-title { font-size: 13px; font-weight: 800; color: var(--muted); margin: 22px 0 4px; letter-spacing: .03em; }

/* 시연 체크리스트 */
.demo-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; counter-reset: d; }
.demo-item {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: 16px; padding: 10px 14px; box-shadow: var(--shadow);
  transition: border-color .3s, background .3s; animation: fadeUp .35s ease both;
}
.demo-item.checked { border-color: var(--ok); background: color-mix(in srgb, var(--ok-soft) 45%, var(--surface)); }
.demo-item input { width: 22px; height: 22px; accent-color: var(--ok); }
.demo-item b { display: block; }
.demo-item small { color: var(--muted); display: block; }
.demo-item.checked b { text-decoration: line-through; text-decoration-color: var(--ok); }
.demo-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.demo-progress .bar { flex: 1; height: 10px; border-radius: 99px; background: var(--line); overflow: hidden; }
.demo-progress .bar i { display: block; height: 100%; background: var(--ok); width: 0; transition: width .5s cubic-bezier(.3, 1.2, .4, 1); }
.notes { margin-top: 14px; font-size: 13px; color: var(--muted); }
.notes li { margin: 3px 0; }

.extra { margin-top: 18px; }
.mini-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--surface); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); }
.mini-table th, .mini-table td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.mini-table th { background: var(--surface-2); font-size: 12px; color: var(--muted); }
.mini-table tr:last-child td { border-bottom: 0; }

/* ===== 7-2. B2 특수 장면 ===== */
/* 터미널 · app.log 창 */
.consoles { margin-top: 16px; display: grid; gap: 12px; }
.consoles .term { margin-top: 0; }
@container stage (min-width: 680px) {
  .consoles.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
.term-log .term-title { color: #7FD8CF; }
.term .ln { min-height: 1.65em; }
.term .ln.cmd { color: #B9C4FF; opacity: .8; }
.term .ln.cmd.new, .term .ln.cmd:first-child { opacity: 1; }
.term .ps { color: #7C83FF; font-weight: 800; }
.term .prompt { color: var(--term-text); }
.term .typed { color: #FFE38A; font-weight: 800; }
.term .t-bad { color: #FF8F7A; }
.term .t-hint { color: #FFCB6B; }
.term .t-info { color: #8DC8FF; }
.term .t-ok { color: #8EE3AE; }
.term .t-exit { color: #B8B3E6; font-style: italic; }
.term .t-trace { color: #8C93BF; }
.term .ts { color: #7D86B8; }
@container stage (min-width: 860px) {
  .gate-scene.with-term .consoles { position: sticky; top: 0; margin-top: 30px; grid-template-columns: minmax(0, 1fr); }
  .gate-scene.with-term .consoles .term { max-height: calc((100vh - 320px) / var(--panes, 1)); }
  .gate-scene.with-term .consoles.two { --panes: 2; }
}

/* 날아가는 칩 */
.fly {
  position: absolute; z-index: 20; transform: translate(-50%, -50%); pointer-events: none;
  font: 800 11px/1 var(--font-mono); padding: 5px 9px; border-radius: 99px; white-space: nowrap;
  background: var(--own-S); color: #fff; box-shadow: 0 0 0 4px color-mix(in srgb, var(--own-S) 25%, transparent), 0 6px 18px rgba(0, 0, 0, .2);
}
.fly.bad { background: var(--bad); box-shadow: 0 0 0 4px color-mix(in srgb, var(--bad) 25%, transparent), 0 6px 18px rgba(0, 0, 0, .2); }
.fly.muted { background: var(--line-strong); }

/* 카드 제목 공통 */
.stream h3, .atomic h3, .csvimport h3, .typecheck h3, .tbl h3, .formats h3, .bench-title {
  font-size: 13px; font-weight: 800; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px;
}
.stream h3 small, .atomic h3 small, .csvimport h3 small, .formats h3 small { font-weight: 600; color: var(--muted); font-size: 11.5px; }
.csvimport h4 { font-size: 11.5px; color: var(--muted); margin: 10px 0 5px; font-weight: 800; }

/* 제너레이터 */
.stream { position: relative; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(150px, .55fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.stream .card { border-top: 5px solid var(--own); padding: 12px 12px 14px; }
.st-lines, .at-lines, .ci-csv, .ci-file, .tc-code { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.st-line, .at-line, .ci-row {
  display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; gap: 8px; align-items: center;
  padding: 4px 8px; border-radius: 9px; border: 1.5px solid transparent; font-size: 12px; transition: all .3s;
}
.st-line .no, .at-line .no, .ci-row .no, .tc-line .no { font: 700 10.5px var(--font-mono); color: var(--muted); text-align: right; }
.st-line code, .at-line code, .ci-row code { font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st-line code i { color: var(--muted); font-style: normal; }
.st-line .mark, .ci-row .mark { font-size: 10.5px; font-weight: 800; white-space: nowrap; }
.st-line.unread { opacity: .38; }
.st-line.read { background: var(--surface-2); }
.st-line.now { border-color: var(--accent); background: var(--accent-soft); opacity: 1; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.st-line.held { background: var(--own-S-soft); }
.st-line.held .mark { color: var(--own-S); }
.st-line.gone code { text-decoration: line-through; color: var(--muted); }
.st-line.gone .mark { color: var(--muted); }
.st-line.hit { background: var(--ok-soft); }
.st-line.hit .mark { color: var(--ok); }
.st-line.bad, .st-line.broken.read { background: var(--bad-soft); }
.st-line.bad .mark { color: var(--bad); }
.st-line.broken code { color: var(--bad); font-weight: 700; }
.st-pipe { display: flex; flex-direction: column; align-items: stretch; gap: 4px; padding-top: 30px; }
.st-stage { background: var(--own-soft); border: 1.5px solid var(--own); border-radius: 12px; padding: 7px 9px; text-align: center; box-shadow: var(--shadow); }
.st-stage b { display: block; font: 800 12px var(--font-mono); }
.st-stage small { display: block; font-size: 11px; color: var(--muted); }
.st-arrow { text-align: center; color: var(--line-strong); font-weight: 900; }
.st-slots, .ci-chips { display: flex; flex-wrap: wrap; gap: 6px; min-height: 30px; }
.st-chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px 9px; border-radius: 99px; font: 11px var(--font-mono);
  background: var(--own-S-soft); border: 1.5px solid var(--own-S); animation: pop .35s cubic-bezier(.2, 1.4, .4, 1);
}
.st-chip b { font-weight: 800; }
.st-chip.slot { min-width: 92px; height: 26px; border-style: dashed; background: transparent; border-color: var(--line-strong); opacity: .6; animation: none; }
.st-chip.out { background: var(--bad-soft); border-color: var(--bad); text-decoration: line-through; color: var(--bad); }
.st-chip.dup { background: var(--warn-soft); border-color: var(--warn); }
.st-empty { color: var(--muted); font-size: 12px; font-style: italic; }
.st-meter { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.st-meter span { font-size: 11.5px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 99px; padding: 2px 9px; color: var(--muted); }
.st-meter b { color: var(--text); font-variant-numeric: tabular-nums; }
.st-trash-wrap { margin-top: 10px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; min-height: 30px; padding: 5px 8px; border: 1.5px dashed var(--line-strong); border-radius: 12px; }
.st-trash-label { font-size: 11px; font-weight: 800; color: var(--muted); }
.st-trash { display: flex; flex-wrap: wrap; gap: 4px; }

/* 원자적 교체 */
.atomic { position: relative; }
.at-phases { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.at-phases li { font-size: 12px; font-weight: 700; padding: 4px 11px; border-radius: 99px; border: 1.5px solid var(--line); background: var(--surface); color: var(--muted); transition: all .3s; }
.at-phases li.done { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.at-phases li.now { border-color: var(--accent); background: var(--accent); color: var(--on-accent); transform: translateY(-1px); }
.at-phases li.now.fail { border-color: var(--bad); background: var(--bad); }
.at-files { display: grid; grid-template-columns: minmax(0, 1fr) 30px minmax(0, 1fr); gap: 8px; align-items: start; }
.at-mid { align-self: center; text-align: center; font-size: 20px; color: var(--line-strong); }
.at-file { border-top: 5px solid var(--own); padding: 12px; transition: opacity .35s, filter .35s; }
.at-file.gone { opacity: .55; filter: grayscale(.6); }
.at-file.unused { opacity: .3; }
.at-file.swap-in { animation: flash .9s ease; }
.at-line { grid-template-columns: 20px minmax(0, 1fr); background: var(--surface-2); }
.at-line.s-buf { border: 1.5px dashed var(--line-strong); background: transparent; font-style: italic; }
.at-line.s-os { border: 1.5px solid var(--line); background: var(--surface-2); }
.at-line.s-disk { border: 1.5px solid color-mix(in srgb, var(--own) 50%, var(--line)); }
.at-line.changed { background: var(--warn-soft); border-color: var(--warn); }
.at-line.skipped code { text-decoration: line-through; color: var(--muted); }
.at-line.skipped { opacity: .6; }
.at-line.lost { background: var(--bad-soft); border-color: var(--bad); }
.at-line.lost code { text-decoration: line-through; color: var(--bad); }
.at-line.lost .no { color: var(--bad); }
.at-empty { font-size: 12px; color: var(--muted); font-style: italic; padding: 6px 8px; }
.at-badge { font-size: 11px; font-weight: 800; padding: 1px 8px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); color: var(--muted); }
.at-badge.ok { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.at-badge.bad { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }
.at-legend { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; font-size: 11.5px; color: var(--muted); }
.at-legend span { padding: 2px 10px; border-radius: 8px; }
.at-legend .s-buf { border: 1.5px dashed var(--line-strong); font-style: italic; }
.at-legend .s-os { border: 1.5px solid var(--line); background: var(--surface-2); }
.at-legend .s-disk { border: 1.5px solid var(--own-R); }
.at-banner { margin-top: 12px; padding: 9px 14px; border-radius: 14px; font-weight: 800; font-size: 14px; border: 1.5px solid var(--line); background: var(--surface); animation: slideIn .4s ease both; }
.at-banner.ok { border-color: var(--ok); background: var(--ok-soft); color: var(--ok); }
.at-banner.bad { border-color: var(--bad); background: var(--bad-soft); color: var(--bad); }

/* import */
.csvimport { position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, .75fr); gap: 14px; align-items: start; }
.ci-col { border-top: 5px solid var(--own); padding: 12px; }
.ci-row { grid-template-columns: 18px minmax(0, 1fr) auto; }
.ci-row.unread { opacity: .4; }
.ci-row.seen { background: var(--surface-2); }
.ci-row.now { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.ci-row.ok .mark { color: var(--ok); }
.ci-row.ci-skip { background: var(--warn-soft); }
.ci-row.ci-skip .mark { color: var(--warn); }
.ci-row.bad { background: var(--bad-soft); }
.ci-row.bad .mark { color: var(--bad); }
.ci-phase { font-size: 12.5px; font-weight: 700; padding: 6px 10px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line); }
.ci-phase.ok { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.ci-phase.bad { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }
.ci-skips { margin: 0; padding-left: 16px; font-size: 12px; display: flex; flex-direction: column; gap: 3px; }
.ci-skips .st-empty { list-style: none; margin-left: -16px; }
.ci-file li { font-size: 11.5px; padding: 3px 8px; border-radius: 8px; background: var(--surface-2); }
.ci-file li.ci-new { background: var(--own-R-soft); border: 1.5px solid var(--own-R); animation: fadeUp .35s ease both; }
.ci-file li.ci-new.dup { background: var(--warn-soft); border-color: var(--warn); }
.ci-file li.st-empty { background: none; }

/* 타입 힌트 */
.typecheck { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.tc-src { padding: 12px 6px 12px 12px; max-height: calc(100vh - 290px); overflow: auto; }
.tc-head { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; margin: 0 6px 8px 0; }
.tc-head b { font: 800 13px var(--font-mono); }
.tc-head small { color: var(--muted); font-size: 11.5px; }
.tc-code { gap: 0; }
.tc-line { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 10px; padding: 1px 6px; border-left: 3px solid transparent; border-radius: 4px; transition: background .25s; }
.tc-code.wide-no .tc-line { grid-template-columns: 96px minmax(0, 1fr); }
.tc-line code { font-size: 11.5px; white-space: pre-wrap; word-break: break-all; }
.tc-line.cm code { color: var(--muted); }
.tc-line.rev { background: var(--info-soft); border-left-color: var(--info); }
.tc-line.err { background: var(--bad-soft); border-left-color: var(--bad); }
.tc-line.err code { text-decoration: underline wavy var(--bad); text-underline-offset: 3px; }
.tc-line.now { box-shadow: inset 0 0 0 2px var(--accent); }
.tc-side { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 0; }
.tc-side .term { margin-top: 0; max-height: 300px; }
.tc-contract { background: var(--surface); border: 1.5px solid var(--own-T); border-left-width: 6px; border-radius: 14px; padding: 10px 12px; box-shadow: var(--shadow); animation: fadeUp .3s ease both; }
.tc-contract code { display: block; font-size: 12px; font-weight: 700; margin: 4px 0 2px; word-break: break-all; }
.tc-contract small { color: var(--muted); font-size: 11.5px; }
.tc-tag { font-size: 10.5px; font-weight: 800; color: var(--own-T); letter-spacing: .04em; }

/* 표 정렬 — 칸 하나 = 터미널 한 칸 */
.tbl { --cw: 8.4px; display: flex; flex-direction: column; gap: 14px; }
.tb-words { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.tb-word { background: var(--surface); border: 1.5px solid var(--line); border-radius: 14px; padding: 10px 12px; box-shadow: var(--shadow); transition: all .25s; }
.tb-word.now { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent), var(--shadow); }
.tb-word small { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }
.tb-word small b { color: var(--text); font-size: 14px; }
.tb-tables { display: flex; flex-direction: column; gap: 12px; }
.tb-box { overflow-x: auto; }
.tb-row { display: flex; white-space: nowrap; font: 13px/1.6 var(--font-mono); }
.tb-row.big { --cw: 15px; font-size: 22px; line-height: 1.4; }
.tb-c { flex: none; width: var(--cw); text-align: center; overflow: visible; }
.tb-c.w { width: calc(var(--cw) * 2); background: color-mix(in srgb, var(--own-T-soft) 70%, transparent); border-radius: 3px; }
.tb-row.big .tb-c { outline: 1px dashed color-mix(in srgb, var(--line-strong) 45%, transparent); outline-offset: -1px; }
.tb-c.sep { color: var(--line-strong); }

/* 10만 건 막대 — 막대 하나 = 한 기능, 한 번에 잣대 하나 */
:root { --bar: #4F46E5; --bar-ref: #8E95B8; }
:root[data-theme="dark"] { --bar: #7B76F2; --bar-ref: #5D648F; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bar: #7B76F2; --bar-ref: #5D648F; } }
.bench { position: relative; padding: 16px 18px 12px; }
.bench-chart { display: flex; flex-direction: column; gap: 6px; }
.bench-row { display: grid; grid-template-columns: minmax(120px, 190px) minmax(0, 1fr); gap: 12px; align-items: center; padding: 3px 0; border-radius: 8px; outline: none; transition: opacity .3s; }
.bench-row.dim { opacity: .32; }
.bench-row:focus-visible { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); }
.bench-label { font-size: 12.5px; text-align: right; color: var(--text); }
.bench-row.now .bench-label { font-weight: 800; }
.bench-track { position: relative; display: flex; align-items: center; gap: 8px; height: 24px; }
.bench-bar { height: 18px; min-width: 2px; background: var(--bar); border-radius: 0 4px 4px 0; transition: width .6s cubic-bezier(.3, 1, .4, 1); }
.bench-bar.ref { background: var(--bar-ref); }
.bench-val { font-size: 12px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bench-axis { display: flex; justify-content: space-between; margin: 6px 0 0 calc(min(190px, 30%) + 12px); padding-top: 4px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.bench-tip { position: absolute; left: 50%; transform: translateX(-50%); z-index: 6; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-strong); padding: 7px 11px; font-size: 12px; display: flex; flex-direction: column; gap: 1px; pointer-events: none; }
.bench-tip small { color: var(--muted); }
.bench-table { margin-top: 12px; }
.bench-table summary { cursor: pointer; font-size: 13px; font-weight: 700; color: var(--muted); margin-bottom: 8px; }
.bench-table td:nth-child(2), .bench-table td:nth-child(3), .bench-table td:nth-child(4) { font-variant-numeric: tabular-nums; text-align: right; }

/* JSONL · CSV */
.formats { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.fm-col { border-top: 5px solid var(--own); padding: 12px; }
.fm-lines { display: flex; flex-direction: column; gap: 8px; }
.fm-line { font: 12.5px/1.7 var(--font-mono); background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; word-break: break-all; }
.fm-line.header { border-style: dashed; }
.fm-seg { border-radius: 4px; transition: opacity .3s, background .3s, box-shadow .3s; }
.fm-seg.key, .fm-seg.head { color: var(--own-R); }
.fm-seg.num { color: var(--own-S); }
.dim-rest .fm-seg:not(.hl) { opacity: .38; }
.fm-seg.hl { background: var(--warn-soft); box-shadow: 0 0 0 2px var(--warn); opacity: 1; }
.fm-alt { margin-top: 10px; animation: fadeUp .3s ease both; }
.fm-alt small { display: block; color: var(--muted); font-size: 11.5px; margin-bottom: 4px; }

/* 홈 · 시연 */
.ask-card .qno { font-style: normal; font-size: 10.5px; font-weight: 800; color: var(--accent-text); background: var(--accent-soft); border-radius: 99px; padding: 1px 8px; display: inline-block; margin-bottom: 5px; }
.demo-cmd { display: block; margin-top: 4px; font-size: 11.5px; color: var(--accent-text); word-break: break-all; }

/* ===== 8. 설명 패널 ===== */
.talk {
  grid-area: talk; background: var(--surface); border-left: 1px solid var(--line);
  overflow-y: auto; padding: 18px 16px 24px; display: flex; flex-direction: column; gap: 16px;
}
.talk-card { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 10px; align-items: start; }
.mascot svg { display: block; animation: bob 3.2s ease-in-out infinite; }
.mascot .eye { animation: blink 4.5s infinite; transform-origin: center; transform-box: fill-box; }
.mascot.talking svg { animation: nod .5s ease; }
.bubble {
  position: relative; background: var(--accent-soft); border-radius: 4px 18px 18px 18px; padding: 10px 13px 12px;
  min-height: 70px;
}
.bubble-tag { font-size: 10.5px; font-weight: 800; color: var(--accent-text); letter-spacing: .04em; }
.bubble p { font-size: 14.5px; line-height: 1.6; margin-top: 2px; }
.bubble p.swap { animation: fadeUp .35s ease both; }
.talk-sec h2, .talk-sec summary { font-size: 12px; font-weight: 800; color: var(--muted); letter-spacing: .03em; margin-bottom: 6px; }
.talk-sec h2 small { font-weight: 600; margin-left: 4px; }
.talk-sec summary { cursor: pointer; list-style-position: inside; }
.talk-sec[hidden] { display: none; }
.code-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.code-list li { display: flex; gap: 6px; align-items: stretch; }
.code-link {
  flex: 1; min-width: 0; display: block; text-decoration: none; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 5px 9px;
  font: 12px/1.4 var(--font-mono); transition: border-color .15s, background .15s;
}
.code-link:hover { border-color: var(--accent); background: var(--accent-soft); }
.code-link .fn { color: var(--accent-text); font-weight: 800; }
.code-link .path { color: var(--muted); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.copy-btn { border: 1px solid var(--line); background: var(--surface); border-radius: 10px; cursor: pointer; font-size: 12px; padding: 0 8px; color: var(--muted); }
.copy-btn:hover { color: var(--accent-text); border-color: var(--accent); }
#demo { font-size: 13.5px; }
.points ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 13.5px; }

.help { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; background: rgba(19, 16, 42, .5); backdrop-filter: blur(3px); }
.help[hidden] { display: none; }
.help-card { background: var(--surface); border-radius: 20px; padding: 22px 24px; box-shadow: var(--shadow-strong); width: min(420px, calc(100vw - 32px)); animation: pop .35s ease both; }
.help-card h2 { font-family: var(--font-display); font-weight: 400; font-size: 22px; margin-bottom: 10px; }
.help-card dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0 0 16px; font-size: 14px; }
.help-card dt { font-family: var(--font-mono); font-weight: 800; color: var(--accent-text); }
.help-card dd { margin: 0; }
.toast {
  position: fixed; left: 50%; bottom: 76px; transform: translate(-50%, 20px); z-index: 60;
  background: var(--text); color: var(--bg); padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 700;
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }

/* ===== 9. 좁은 화면·발표 모드 ===== */
@media (max-width: 1180px) {
  .app {
    grid-template-columns: 220px minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) auto;
    grid-template-areas: "nav main" "nav talk";
  }
  .talk { border-left: 0; border-top: 1px solid var(--line); max-height: 36vh; flex-direction: row; flex-wrap: wrap; }
  .talk > * { flex: 1 1 260px; }
  :root { --nav-w: 220px; }
}

@media (max-width: 760px) {
  .app { display: block; height: auto; }
  .nav {
    position: fixed; inset: 0 auto 0 0; width: min(290px, 86vw); z-index: 40;
    transform: translateX(-102%); transition: transform .3s ease; box-shadow: var(--shadow-strong);
  }
  body.nav-open .nav { transform: none; }
  body.nav-open::after { content: ""; position: fixed; inset: 0; background: rgba(19, 16, 42, .45); z-index: 39; }
  .nav-toggle { display: grid; }
  .main { min-height: 0; }
  .topbar { padding: 12px 16px 4px; flex-wrap: wrap; }
  .heading { order: 3; flex-basis: 100%; }
  .top-actions { margin-left: auto; }
  .heading h1 { font-size: 22px; }
  .top-actions #full-btn { display: none; }
  .scenarios { padding: 4px 16px 8px; flex-wrap: nowrap; overflow-x: auto; }
  .tab { flex: none; }
  .stage { overflow: visible; padding: 6px 16px 20px; }
  .seq-scroll { overflow-x: auto; margin: 0 -16px; padding: 0 16px; }
  .seq { min-width: calc(var(--n) * 86px); }
  .seq-head { position: static; }
  .lane { padding: 4px 4px; font-size: 11px; }
  .lane small { display: none; }
  .msg .label { font-size: 11.5px; padding: 0 2px 4px; }
  .controls { position: sticky; bottom: 0; z-index: 20; padding: 8px 12px; gap: 8px; }
  .speed { display: none; }
  .talk { max-height: none; flex-direction: column; border-top: 1px solid var(--line); }
  .sm-below { grid-template-columns: minmax(0, 1fr); }
  .gates { grid-template-columns: 28px minmax(0, 1fr); }
  .exit-slot { grid-column: 2; }
  .gate .who { display: none; }
  .node { min-width: 0; max-width: 30%; padding: 6px 8px; font-size: 11px; }
  .node b { font-size: 12px; }
  .node small { font-size: 10px; }
  .edge-label { font-size: 10px; }
  .home-hero { grid-template-columns: minmax(0, 1fr); text-align: center; }
  .stream, .csvimport, .typecheck, .formats { grid-template-columns: minmax(0, 1fr); }
  .st-pipe { padding-top: 0; flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .st-arrow { transform: rotate(-90deg); }
  .at-files { grid-template-columns: minmax(0, 1fr); }
  .at-mid { transform: rotate(90deg); }
  .tc-src { max-height: none; }
  .tc-side { position: static; }
  .bench-row { grid-template-columns: minmax(96px, 120px) minmax(0, 1fr); gap: 8px; }
  .bench-label { font-size: 11.5px; }
  .bench-axis { margin-left: 128px; }
  .tbl { --cw: 7.2px; }
  .tb-row { font-size: 11.5px; }
  .home-hero .big-mascot { margin: 0 auto; }
}

body.present { font-size: 16.5px; }
body.present .app { grid-template-columns: minmax(0, 1fr) 360px; grid-template-areas: "main talk"; }
body.present .nav { display: none; }
body.present .heading h1 { font-size: 32px; }
body.present .bubble p { font-size: 16.5px; }
body.present .msg .label { font-size: 14.5px; }
body.present .lane { font-size: 14.5px; }
@media (max-width: 1180px) {
  body.present .app { grid-template-columns: minmax(0, 1fr); grid-template-areas: "main" "talk"; }
}

/* ===== 10. 움직임 ===== */
@keyframes stageIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes pop { 0% { transform: scale(.6); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-6px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(3px); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(-18px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes drawLine { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes drawPath { from { stroke-dashoffset: var(--len, 600); } to { stroke-dashoffset: 0; } }
@keyframes flow { to { stroke-dashoffset: -32; } }
@keyframes nodePulse { 0%, 100% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--own) 30%, transparent), var(--shadow); } 50% { box-shadow: 0 0 0 11px color-mix(in srgb, var(--own) 12%, transparent), var(--shadow-strong); } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes nod { 0% { transform: rotate(0); } 30% { transform: rotate(-8deg); } 60% { transform: rotate(5deg); } 100% { transform: rotate(0); } }
@keyframes blink { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(.1); } }
@keyframes typeIn { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: none; } }
@keyframes flip { 0% { transform: rotateX(0); } 50% { transform: rotateX(90deg); } 100% { transform: rotateX(0); } }
@keyframes flash { 0% { box-shadow: 0 0 0 0 var(--accent); } 40% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 40%, transparent); } 100% { box-shadow: 0 0 0 0 transparent; } }
@keyframes shieldHit { 0% { transform: scale(1); } 40% { transform: scale(1.08); } 100% { transform: scale(1); } }
@keyframes dot { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* ===== 11. philo 특수 장면 ===== */
.stats span.warn { background: var(--warn-soft); color: var(--warn); }
.home-links { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.home-links .btn { text-decoration: none; color: inherit; }
.link-btn { border: 0; background: none; color: var(--accent-text); font-weight: 700; font-size: 12.5px; cursor: pointer; padding: 2px 4px; border-radius: 6px; }
.link-btn:hover { background: var(--accent-soft); }
.dchip { border: 1.5px solid var(--warn); background: var(--warn-soft); color: var(--warn); font: 800 11px/1 var(--font-body); border-radius: 999px; padding: 3px 7px; cursor: pointer; }
.dchip.done { border-color: var(--ok); background: var(--ok-soft); color: var(--ok); }
.dchip:hover { filter: brightness(.96); transform: translateY(-1px); }
.cchip { font: 700 11px/1 var(--font-mono); color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 3px 6px; }
@keyframes flash { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--warn) 60%, transparent); } 100% { box-shadow: 0 0 0 14px transparent; } }
.flash { animation: flash 1s ease-out 2; }

/* files */
.file-grid { position: relative; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.file-card { background: var(--surface); border: 1.5px solid color-mix(in srgb, var(--own) 45%, var(--line)); border-top: 5px solid var(--own); border-radius: 16px; padding: 12px 12px 10px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 6px; }
.file-card header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.file-card .fname { font-size: 15px; font-weight: 800; color: var(--own); }
.file-card .who { font-size: 11px; font-weight: 700; background: var(--own-soft); color: var(--own); border-radius: 999px; padding: 2px 8px; }
.file-card .frole { font-size: 12.5px; color: var(--muted); }
.fn-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.fn { border: 1px solid var(--line); border-radius: 10px; padding: 6px 8px; cursor: pointer; transition: background .15s, border-color .15s, transform .15s; display: grid; grid-template-columns: auto 1fr; gap: 2px 6px; align-items: center; }
.fn code { font-weight: 700; font-size: 12.5px; }
.fn small { grid-column: 1 / -1; color: var(--muted); font-size: 12px; line-height: 1.4; }
.fn .fn-dec { justify-self: end; display: flex; gap: 3px; }
.fn.item { cursor: default; }
.fn.item b { font-family: var(--font-mono); font-size: 12px; }
.fn:hover { background: var(--surface-2); }
.fn.lit { background: color-mix(in srgb, var(--own-soft) 55%, var(--surface)); border-color: color-mix(in srgb, var(--own) 40%, var(--line)); }
.fn.now { background: var(--own-soft); border-color: var(--own); transform: scale(1.02); box-shadow: 0 0 0 3px color-mix(in srgb, var(--own) 25%, transparent); }
.file-card footer { margin-top: auto; font-size: 11px; color: var(--muted); text-align: right; }
.file-card footer.over { color: var(--bad); font-weight: 800; }

/* datamap */
.dm-legend { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 8px; font-size: 12px; }
.dm-legend span { border-radius: 999px; padding: 2px 9px; font-weight: 700; border: 1.5px solid; }
.dm-legend small { color: var(--muted); margin-left: 4px; }
.m-W { color: var(--bad); border-color: var(--bad); background: var(--bad-soft); }
.m-R { color: var(--info); border-color: var(--info); background: var(--info-soft); }
.m-L { color: var(--warn); border-color: var(--warn); background: var(--warn-soft); }
.m-U { color: var(--ok); border-color: var(--ok); background: var(--ok-soft); }
.m-X { color: var(--muted); border-color: var(--line-strong); background: var(--surface-2); }
.dm-who { min-height: 34px; margin-bottom: 8px; }
.dm-actor { display: inline-flex; align-items: center; gap: 8px; background: var(--own-soft); border: 1.5px solid var(--own); color: var(--text); border-radius: 999px; padding: 4px 12px; animation: pop .4s cubic-bezier(.2, 1.4, .4, 1); }
.dm-actor small { color: var(--muted); font-size: 11px; }
.dm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.dm-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.dm-card header { padding: 10px 12px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.dm-card header code { font-weight: 800; font-size: 15px; display: block; }
.dm-card header small { color: var(--muted); font-size: 12px; }
.dm-fields { display: flex; flex-direction: column; }
.dm-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1px 8px; padding: 7px 12px; border-bottom: 1px dashed var(--line); cursor: pointer; transition: background .2s; position: relative; }
.dm-row:last-child { border-bottom: 0; }
.dm-row:hover { background: var(--surface-2); }
.dm-name { font-weight: 700; font-size: 13px; }
.dm-type { color: var(--muted); font-family: var(--font-mono); font-size: 11px; grid-column: 1; }
.dm-guard { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-size: 11px; color: var(--muted); text-align: right; max-width: 120px; }
.dm-guard.locked { color: var(--warn); font-weight: 800; background: var(--warn-soft); border-radius: 8px; padding: 2px 6px; }
.dm-guard.mutex { color: var(--own-M); font-weight: 800; }
.dm-row .fn-dec { position: absolute; right: 8px; top: 6px; display: none; }
.dm-row:hover .fn-dec { display: flex; }
.dm-tag { position: absolute; right: 8px; bottom: 6px; font-size: 10.5px; font-weight: 800; }
.dm-row.seen { background: color-mix(in srgb, var(--surface-2) 70%, transparent); }
.dm-row.now { background: var(--own-soft); box-shadow: inset 4px 0 0 var(--own); animation: fadeUp .3s ease both; }
.dm-row.now .dm-guard { opacity: .4; }
.dm-row.now .dm-tag { border-radius: 999px; padding: 1px 8px; border: 1.5px solid; }
.dm-row.m-W .dm-tag, .dm-row.m-R .dm-tag, .dm-row.m-L .dm-tag, .dm-row.m-U .dm-tag, .dm-row.m-X .dm-tag { background: var(--surface); }
.dm-row.m-W { color: inherit; border-color: var(--line); }
.dm-row.m-R, .dm-row.m-L, .dm-row.m-U, .dm-row.m-X { color: inherit; border-color: var(--line); }
.dm-row.m-W .dm-tag { color: var(--bad); border-color: var(--bad); }
.dm-row.m-R .dm-tag { color: var(--info); border-color: var(--info); }
.dm-row.m-L .dm-tag { color: var(--warn); border-color: var(--warn); }
.dm-row.m-U .dm-tag { color: var(--ok); border-color: var(--ok); }
.dm-row.m-X .dm-tag { color: var(--muted); border-color: var(--line-strong); }

/* forkorder */
.fo-wrap { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(220px, 1fr); gap: 14px; align-items: start; }
.fo-canvas { padding: 10px; }
.fo-title { font-weight: 800; font-size: 14px; color: var(--accent-text); margin: 2px 4px 4px; }
.fo-svg { width: 100%; height: auto; display: block; }
.fo-tablecircle { fill: var(--surface-2); stroke: var(--line); stroke-width: 1.5; }
.fo-ph circle { fill: var(--own-soft); stroke: var(--own); stroke-width: 2.5; transition: fill .3s, stroke .3s; }
.fo-ph.late circle { stroke-dasharray: 4 3; opacity: .7; }
.fo-ph.cyc circle { stroke: var(--bad); stroke-width: 4; }
.fo-pno { font: 800 15px var(--font-body); fill: var(--text); }
.fo-plabel { font: 700 11px var(--font-body); fill: var(--muted); }
.fo-flabel { font: 700 10px var(--font-mono); fill: var(--muted); }
.fo-fork line { stroke: var(--line-strong); stroke-width: 4; stroke-linecap: round; }
.fo-fork.held line { stroke: var(--text); }
.fo-arrow { stroke: var(--accent); stroke-width: 1.6; opacity: .75; }
.fo-arrow.second { stroke-dasharray: 4 4; opacity: .5; }
.fo-ah { fill: var(--accent); }
.fo-wait { fill: none; stroke: var(--warn); stroke-width: 2.4; stroke-dasharray: 6 4; animation: dash 1.2s linear infinite; }
.fo-wait.cycle { stroke: var(--bad); stroke-width: 3.2; }
.fo-wh { fill: var(--bad); }
@keyframes dash { to { stroke-dashoffset: -20; } }
.fo-side h3 { font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
.fo-verdict { display: none; border-radius: 14px; padding: 12px 14px; font-weight: 700; background: var(--tone-soft); border: 1.5px solid var(--tone); color: var(--text); animation: fadeUp .35s ease both; }
.fo-verdict.show { display: block; }
.fo-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--surface); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.fo-table th, .fo-table td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.fo-table th { background: var(--surface-2); color: var(--muted); font-size: 12px; }
.fo-note { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* sleepbars */
.sb-chart, .sb-timeline { margin-bottom: 14px; }
.sb-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.sb-head small { color: var(--muted); font-size: 12px; }
.sb-legend { display: flex; gap: 12px; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.sb-legend span::before { content: ""; display: inline-block; width: 12px; height: 8px; border-radius: 3px; margin-right: 5px; vertical-align: 0; }
.sb-legend .one::before, .sb-bar.one i { background: var(--own-T); }
.sb-legend .avg::before, .sb-bar.avg i { background: var(--own-R); }
.sb-legend .worst::before, .sb-bar.worst i { background: var(--bad); }
.sb-row { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 10px; align-items: center; padding: 8px 6px; border-radius: 12px; }
.sb-row.pick { background: var(--ok-soft); }
.sb-label b { font-size: 13px; display: block; }
.sb-label em { font-style: normal; font-size: 11px; font-weight: 800; color: var(--ok); }
.sb-bars { display: flex; flex-direction: column; gap: 3px; }
.sb-bar { display: flex; align-items: center; gap: 6px; height: 12px; }
.sb-bar i { display: block; height: 10px; border-radius: 0 6px 6px 0; min-width: 2px; animation: grow .7s cubic-bezier(.3, 1.2, .4, 1) both; transform-origin: left; }
.sb-val { font: 700 11px var(--font-mono); color: var(--muted); white-space: nowrap; }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.sb-track { position: relative; height: 70px; margin: 26px 8px 8px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); overflow: visible; }
.sb-fill { position: absolute; left: 0; top: 0; bottom: 0; background: color-mix(in srgb, var(--own-S-soft) 80%, transparent); border-radius: 12px 0 0 12px; transition: width .6s cubic-bezier(.3, 1.1, .4, 1); }
.sb-comb { position: absolute; left: 0; top: 18px; bottom: 18px; background: repeating-linear-gradient(90deg, var(--own-S) 0 1px, transparent 1px 6px); opacity: .5; transition: width .6s cubic-bezier(.3, 1.1, .4, 1); }
.sb-target { position: absolute; top: -22px; bottom: -6px; width: 0; border-left: 2px dashed var(--accent); }
.sb-target span, .sb-stop span { position: absolute; top: -2px; left: 4px; font-size: 11px; font-weight: 800; color: var(--accent-text); white-space: nowrap; }
.sb-stop { position: absolute; top: -22px; bottom: -6px; width: 0; border-left: 2px solid var(--bad); }
.sb-stop span { color: var(--bad); left: auto; right: 4px; }
.sb-marker { position: absolute; top: 50%; transform: translate(-50%, -50%); background: var(--own-S); color: #fff; font: 800 11.5px var(--font-body); padding: 4px 10px; border-radius: 999px; white-space: nowrap; box-shadow: var(--shadow); transition: left .6s cubic-bezier(.3, 1.1, .4, 1); z-index: 2; }
.sb-marker.late { background: var(--bad); }
.sb-marker.done { background: var(--ok); }
.sb-caption { font-size: 13px; color: var(--muted); text-align: center; min-height: 20px; }

/* consider */
.cs-req { margin-bottom: 14px; }
.cs-req summary { cursor: pointer; }
.cs-reqlist { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 4px; font-size: 13.5px; }
.cs-reqlist li { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.cs-id { font: 800 11px var(--font-mono); font-style: normal; color: var(--accent-text); background: var(--accent-soft); border-radius: 6px; padding: 2px 6px; flex: none; }
.cs-filters { display: flex; gap: 6px; margin: 4px 0 12px; flex-wrap: wrap; }
.cs-filters .tab[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.cs-group h3 { font-size: 14px; margin: 14px 0 6px; color: var(--muted); }
.cs-group h3 b { color: var(--accent-text); margin-right: 2px; }
.cs-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.cs-item { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: start; background: var(--surface); border: 1.5px solid var(--line); border-radius: 14px; padding: 9px 12px; }
.cs-item input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--ok); }
.cs-item.checked { border-color: var(--ok); background: color-mix(in srgb, var(--ok-soft) 45%, var(--surface)); }
.cs-item.checked .cs-line span { text-decoration: line-through; text-decoration-color: var(--ok); }
.cs-line { display: flex; gap: 8px; align-items: baseline; font-size: 13.5px; }
.cs-meta { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; margin-top: 5px; }

/* decisions */
.dc-summary { margin-bottom: 12px; color: var(--muted); font-size: 13.5px; }
.dc-summary b { color: var(--warn); }
.dc-card { margin-bottom: 12px; border-left: 6px solid var(--warn); border-radius: 0 var(--radius) var(--radius) 0; }
.dc-card.decided { border-left-color: var(--ok); }
.dc-card header { display: flex; align-items: center; gap: 10px; }
.dc-card h3 { font-size: 16px; flex: 1; }
.dc-id { font: 800 12px var(--font-mono); font-style: normal; background: var(--warn-soft); color: var(--warn); border-radius: 8px; padding: 3px 8px; }
.dc-card.decided .dc-id { background: var(--ok-soft); color: var(--ok); }
.dc-status { font-size: 11.5px; font-weight: 800; border-radius: 999px; padding: 2px 10px; }
.dc-status.open { background: var(--warn-soft); color: var(--warn); }
.dc-status.ok { background: var(--ok-soft); color: var(--ok); }
.dc-detail { color: var(--muted); font-size: 13px; margin-top: 6px; }
.dc-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px; margin-top: 10px; }
.dc-opt { border: 1.5px solid var(--line); border-radius: 12px; padding: 8px 10px; background: var(--surface-2); font-size: 13px; }
.dc-opt.rec { border-color: var(--accent); background: color-mix(in srgb, var(--accent-soft) 45%, var(--surface)); }
.dc-opt.chosen { border-color: var(--ok); background: var(--ok-soft); }
.dc-opt-head { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-bottom: 4px; }
.dc-rec, .dc-chosen { font-size: 10.5px; font-weight: 800; border-radius: 999px; padding: 1px 7px; background: var(--accent); color: var(--on-accent); }
.dc-chosen { background: var(--ok); }
.dc-opt p { margin: 2px 0 0; line-height: 1.45; }
.dc-opt .pro::before { content: "＋ "; color: var(--ok); font-weight: 800; }
.dc-opt .con::before { content: "－ "; color: var(--bad); font-weight: 800; }
.dc-why { font-size: 13px; margin-top: 10px; color: var(--text); }
.dc-why b { color: var(--muted); }

@media (max-width: 900px) {
  .fo-wrap { grid-template-columns: minmax(0, 1fr); }
  .sb-row { grid-template-columns: minmax(0, 1fr); }
}

/* coffman — 교착 상태의 네 조건 */
.cf-wrap { grid-template-columns: minmax(0, 1.25fr) minmax(250px, 1fr); }
.cf-svg { width: 100%; height: auto; display: block; }
.cf-table { fill: var(--surface-2); stroke: var(--line); stroke-width: 1.5; }
.cf-fork, .cf-waiter { transform-origin: 0 0; }
.cf-fork line { stroke: var(--line-strong); stroke-width: 4.5; stroke-linecap: round; transition: stroke .3s; }
.cf-fork.held line { stroke: var(--text); }
.cf-fork.shared line { stroke: var(--warn); stroke-width: 6; }
.cf-fork.hl line { stroke: var(--bad); stroke-width: 6; }
.cf-flabel { font: 700 10px var(--font-mono); fill: var(--muted); }
.cf-ph circle { fill: var(--own-soft); stroke: var(--own); stroke-width: 2.5; transition: fill .35s, stroke .35s; }
.cf-ph.cyc circle { stroke: var(--bad); stroke-width: 4; }
.cf-pno { font: 800 16px var(--font-body); fill: var(--text); }
.cf-plabel { font: 700 11px var(--font-body); fill: var(--muted); }
.cf-plabel.note { fill: var(--text); }
.cf-first { stroke: var(--accent); stroke-width: 1.8; opacity: .8; }
.cf-ah { fill: var(--accent); }
.cf-wait { fill: none; stroke: var(--warn); stroke-width: 2.4; stroke-dasharray: 6 4; animation: dash 1.2s linear infinite; }
.cf-wait.cycle { stroke: var(--bad); stroke-width: 3.2; }
.cf-wh { fill: var(--warn); }
.cf-ch { fill: var(--bad); }
.cf-x { stroke: var(--bad); stroke-width: 2; stroke-dasharray: 3 3; }
.cf-xmark { font: 900 18px var(--font-body); fill: var(--bad); }
.cf-xtext { font: 800 11px var(--font-body); fill: var(--bad); }
.cf-fnote { font: 800 11px var(--font-body); fill: var(--warn); }
.cf-center { font: 800 12px var(--font-body); fill: var(--text); }
.cf-waiter rect { fill: var(--info-soft); stroke: var(--info); stroke-width: 2; }
.cf-waiter text { font: 800 12px var(--font-body); fill: var(--info); }
.cf-waiter.held rect { fill: var(--info); }
.cf-waiter.held text { fill: var(--on-accent); }
@media (prefers-reduced-motion: no-preference) {
  .cf-fork { transition: transform .5s cubic-bezier(.3, 1.1, .4, 1); }
  .cf-waiter { transition: transform .5s cubic-bezier(.3, 1.1, .4, 1), opacity .3s; }
}
.cf-conds { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.cf-cond { background: var(--surface); border: 1.5px solid var(--line); border-radius: 14px; padding: 9px 12px; transition: border-color .25s, box-shadow .25s, transform .25s; }
.cf-cond header { display: flex; align-items: baseline; gap: 8px; }
.cf-cond header b { font-size: 14px; }
.cf-cond header small { color: var(--muted); font-size: 12px; flex: 1; }
.cf-cond p { font-size: 12.5px; margin-top: 3px; line-height: 1.45; }
.cf-cond .cf-mean { color: var(--text); }
.cf-cond .cf-philo { color: var(--muted); }
.cf-cond.focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); transform: translateX(-3px); }
.cf-badge { font-size: 11px; font-weight: 800; border-radius: 999px; padding: 2px 9px; white-space: nowrap; }
.cf-badge.st-on { background: var(--bad-soft); color: var(--bad); }
.cf-badge.st-broken { background: var(--ok-soft); color: var(--ok); }
.cf-badge.st-nobreak { background: var(--surface-2); color: var(--muted); border: 1px solid var(--line-strong); }
.cf-badge.st-cost { background: var(--warn-soft); color: var(--warn); }
.cf-cond.st-broken { border-color: color-mix(in srgb, var(--ok) 55%, var(--line)); }
.cf-cond.st-cost { border-color: color-mix(in srgb, var(--warn) 55%, var(--line)); }
.cf-how { margin-top: 12px; font-size: 13px; background: var(--surface-2); border-radius: 12px; padding: 10px 12px; }
.cf-how h3 { font-size: 13px; margin-bottom: 4px; }
.cf-how p { margin-top: 4px; line-height: 1.5; }
.cf-how b { color: var(--muted); }
@media (max-width: 900px) { .cf-wrap { grid-template-columns: minmax(0, 1fr); } }

/* 문제 이해 · 식탁: 조건 카드 없이 원탁만 (coffman conds:false) */
.cf-wrap.cf-solo { grid-template-columns: minmax(0, 640px); }
.cf-ph.sleep circle { fill: color-mix(in srgb, var(--own-file) 40%, var(--surface)); }

/* 문제 이해 · 시간표 (timetable) — 색은 '철학자 상태' (감시자 파랑은 안 씀) */
.tt-wrap { display: flex; flex-direction: column; gap: 12px; margin-bottom: 14px; max-width: 900px; }
.tt-card { padding: 12px 12px 6px; }
.tt-cmd { display: flex; flex-wrap: wrap; align-items: stretch; gap: 6px; margin-bottom: 8px; }
.tt-ps { align-self: center; font: 800 14px var(--font-mono); color: var(--text); margin-right: 2px; }
.tt-chip { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 74px; padding: 3px 9px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--surface-2); transition: border-color .25s, box-shadow .25s, background .25s; }
.tt-chip small { font: 600 10px var(--font-mono); color: var(--muted); white-space: nowrap; }
.tt-chip b { font: 800 15px var(--font-mono); color: var(--text); }
.tt-chip.none b { color: var(--muted); font-size: 12px; font-weight: 700; }
.tt-chip.lit { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.tt-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.tt-legend b { font-size: 12px; color: var(--text); }
.tt-key::before { content: ""; display: inline-block; width: 18px; height: 9px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; box-sizing: border-box; }
.tt-key.k-eat::before { background: var(--own-S); }
.tt-key.k-sleep::before { background: var(--own-file); }
.tt-key.k-think::before { border: 1.5px solid var(--line-strong); background: var(--surface); }
.tt-key.k-wait::before { border: 1.5px solid var(--line-strong); background: repeating-linear-gradient(45deg, var(--bad) 0 1.5px, var(--surface) 1.5px 4.5px); }
.tt-key.k-fork1::before { border: 1.5px solid var(--own-M); background: repeating-linear-gradient(45deg, var(--own-M) 0 1.5px, var(--own-M-soft) 1.5px 4.5px); }
.tt-key.k-due::before { width: 2px; height: 12px; border-radius: 0; background: var(--bad); vertical-align: -2px; }
.tt-scroll { overflow-x: auto; }
.tt-svg { width: 100%; height: auto; display: block; min-width: 560px; }
.tt-grid line { stroke: var(--line); stroke-width: 1; }
.tt-ticklabel { font: 600 10.5px var(--font-mono); fill: var(--muted); }
.tt-name { font: 800 13px var(--font-body); fill: var(--text); }
.tt-name.dead { fill: var(--bad); }
.tt-sub { font: 700 10.5px var(--font-body); fill: var(--muted); }
.tt-sub.dead { fill: var(--bad); }
.tt-sub.full { fill: var(--ok); }
.tt-row { transition: opacity .3s; }
.tt-row.dim { opacity: .35; }
.tt-track { fill: color-mix(in srgb, var(--surface-2) 70%, transparent); stroke: var(--line); stroke-width: 1; stroke-dasharray: 3 3; }
.tt-bar.k-eat { fill: var(--own-S); }
.tt-bar.k-sleep { fill: var(--own-file); }
.tt-bar.k-think { fill: var(--surface); stroke: var(--line-strong); stroke-width: 1.5; }
.tt-bar.k-fork1 { fill: var(--own-M-soft); stroke: var(--own-M); stroke-width: 1.5; }
.tt-hatch { stroke-width: 1.6; }
.tt-hatch.bad { stroke: var(--bad); }
.tt-hatch.m { stroke: var(--own-M); }
.tt-ghost { stroke: var(--bad); stroke-width: 1.5; stroke-dasharray: 2 2; opacity: .4; }
.tt-duelabel { font: 800 10.5px var(--font-body); fill: var(--bad); }
.tt-duehead { fill: var(--bad); }
.tt-dueline { stroke: var(--bad); stroke-width: 2; }
.tt-due.out path, .tt-due.out line { display: none; }
.tt-x { font: 900 17px var(--font-body); fill: var(--bad); stroke: var(--surface); stroke-width: 3; paint-order: stroke; }
.tt-stopfill { fill: color-mix(in srgb, var(--muted) 30%, transparent); }
.tt-stop { stroke: var(--text); stroke-width: 3; }
.tt-stoplabel { font: 800 11px var(--font-body); fill: var(--text); }
.tt-window { fill: color-mix(in srgb, var(--bad) 22%, transparent); stroke: var(--bad); stroke-width: 1; }
.tt-wintext { font: 800 11px var(--font-body); fill: var(--bad); }
.tt-mark line { stroke: var(--tone, var(--muted)); stroke-width: 1.5; stroke-dasharray: 4 3; }
.tt-mark text { font: 700 11px var(--font-body); fill: var(--tone, var(--muted)); }
.tt-mark.tone-muted { --tone: var(--muted); }
.tt-mark.strike text { text-decoration: line-through; }
.tt-span line { stroke: var(--tone); stroke-width: 1.6; }
.tt-span.dashed line:first-child { stroke-dasharray: 4 3; }
.tt-span text { font: 700 10.5px var(--font-body); fill: var(--tone); paint-order: stroke; stroke: var(--surface); stroke-width: 3px; }
.tt-cursor line { stroke: var(--accent); stroke-width: 2; }
.tt-cursor rect { fill: var(--accent); }
.tt-cursor text { font: 800 11px var(--font-mono); fill: var(--on-accent); }
@media (prefers-reduced-motion: no-preference) {
  .tt-due { transition: transform .55s cubic-bezier(.3, 1.1, .4, 1); }
}
@media (max-width: 760px) {
  .tt-scroll { margin: 0 -12px; }
  .tt-chip { min-width: 60px; padding: 2px 6px; }
  .tt-chip small { font-size: 9px; }
}
.tt-span.tone-info { --tone: var(--accent-text); }
/* 설명 칸: 장면 목표 · 이어서 볼 장면 · 원문 위치 */
.points .goal { font-size: 13px; line-height: 1.5; color: var(--text); background: var(--surface-2); border-radius: 10px; padding: 8px 10px; margin-bottom: 8px; }
.talk-links { display: flex; flex-wrap: wrap; gap: 6px; }
.tt-inner { display: grid; min-width: 560px; }
.tt-inner > * { grid-area: 1 / 1; }
.tt-names { position: sticky; left: 0; justify-self: start; z-index: 1; pointer-events: none; opacity: 0; transition: opacity .2s;
  background: linear-gradient(90deg, var(--surface) 82%, color-mix(in srgb, var(--surface) 0%, transparent)); }
.tt-inner.scrolled .tt-names { opacity: 1; }
.tt-nm { position: absolute; left: 6px; transform: translateY(-50%); display: flex; flex-direction: column; line-height: 1.15; transition: opacity .3s; }
.tt-nm b { font-size: 12px; color: var(--text); }
.tt-nm small { font-size: 9.5px; font-weight: 700; color: var(--muted); }
.tt-nm.dead b, .tt-nm.dead small { color: var(--bad); }
.tt-nm.dim { opacity: .35; }
.tt-key.k-ghost::before { width: 0; height: 12px; border-radius: 0; border-left: 1.5px dashed var(--bad); opacity: .55; vertical-align: -2px; }