/* 思考作業系統 · Thinking OS — design system (warm-editorial 血統, art-class v1.1) */
:root {
  color-scheme: dark;
  --bg: #0e0d0a; --bg-alt: #18170f; --panel: #1c1b15; --panel-2: #211f17; --border: #2a261d;
  --text: #f0e9d8; --text-dim: #a39d8e; --text-muted: #6e6a5e;
  --accent: #d4a373; --accent-bright: #e6c197;
  --good: #4ade80; --warn: #fbbf24; --bad: #f87171; --info: #a78bfa;
  --r-panel: 14px; --r-ctl: 8px;
  --focus: 0 0 0 2px rgba(212,163,115,.5);
  --maxw: 1080px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font-family: 'Noto Sans TC', system-ui, sans-serif; line-height: 1.7; font-size: 16px;
  -webkit-font-smoothing: antialiased; }
.serif { font-family: 'Fraunces', Georgia, serif; }
.mono  { font-family: 'JetBrains Mono', ui-monospace, monospace; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(212,163,115,.28); }

/* ── header / nav ───────────────────────── */
header.site { border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); }
.header-in { max-width: var(--maxw); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand .mark { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center;
  justify-content: center; font-family: 'Fraunces', serif; font-weight: 700; font-size: 19px;
  background: linear-gradient(135deg, #d4a373, #a67c52); color: #0e0d0a; flex-shrink: 0; }
.brand .bt { font-family: 'Fraunces', serif; font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
.brand .bt em { color: var(--accent); font-style: italic; font-weight: 500; }
.brand .bs { font-size: 11.5px; color: var(--text-dim); margin-top: 1px; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; }
.nav a { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted); padding: 6px 11px; border-radius: 999px;
  border: 1px solid transparent; transition: all .15s; }
.nav a:hover { color: var(--text); border-color: var(--border); }
.nav a.on { color: var(--accent-bright); border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent); }

/* ── layout ─────────────────────────────── */
main { max-width: var(--maxw); margin: 0 auto; padding: 40px 24px 96px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; }
.content { display: grid; gap: 56px; }
section { scroll-margin-top: 80px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }

/* ── type ───────────────────────────────── */
.chip { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--border);
  padding: 5px 11px; border-radius: 999px; display: inline-block; }
h1.hero { font-family: 'Fraunces', serif; font-size: 40px; font-weight: 700; line-height: 1.22;
  margin: 16px 0 12px; letter-spacing: -.01em; }
h1.hero .hl { color: var(--accent-bright); }
.lead { font-size: 16.5px; color: var(--text-dim); margin: 0 0 22px; max-width: 64ch; line-height: 1.85; }
.lead b { color: var(--text); }
.phase-row { display: flex; align-items: center; gap: 14px; margin: 0 0 22px; }
.phase-row .line { height: 1px; flex: 1; background: var(--border); }
.phase-row h2 { font-family: 'Fraunces', serif; font-weight: 600; font-size: 25px; margin: 0; }
.phase-num { font-family: 'JetBrains Mono', monospace; color: var(--text-muted);
  letter-spacing: .18em; font-size: 11px; white-space: nowrap; }
h3.sub { font-family: 'Fraunces', serif; font-size: 19px; font-weight: 600; margin: 28px 0 12px; }
.tabular { font-variant-numeric: tabular-nums; }

/* ── panels ─────────────────────────────── */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-panel); padding: 20px; }
.panel-2 { background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.panel .t, .panel-2 .t { font-size: 14px; font-weight: 600; margin: 0 0 10px; }
.panel p, .panel li { font-size: 14px; color: var(--text-dim); margin: 0; }
.panel ul { margin: 0; padding-left: 18px; display: grid; gap: 5px; }
pre.flow { font-family: 'JetBrains Mono', monospace; font-size: 12px; line-height: 1.7;
  color: var(--text-dim); background: var(--bg-alt); border-left: 2px solid var(--accent);
  padding: 12px 16px; border-radius: 6px; white-space: pre-wrap; margin: 0; }
.key { font-family: 'JetBrains Mono', monospace; background: rgba(212,163,115,.12);
  color: var(--accent-bright); padding: 1px 6px; border-radius: 4px; font-size: .92em; }
.callout { border-left: 2px solid var(--accent); background: var(--panel-2);
  border-radius: 0 10px 10px 0; padding: 14px 18px; }
.callout.warn { border-left-color: var(--warn); }
.callout .lab { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 4px; }
.callout.warn .lab { color: var(--warn); }
.callout p { font-size: 14.5px; color: var(--text-dim); margin: 0; }

.tag { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 10px;
  padding: 2px 8px; border-radius: 4px; letter-spacing: .08em; }
.tag.good { background: color-mix(in srgb, var(--good) 20%, transparent); color: var(--good); }
.tag.warn { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
.tag.bad  { background: color-mix(in srgb, var(--bad) 22%, transparent);  color: var(--bad); }
.tag.info { background: color-mix(in srgb, var(--info) 22%, transparent); color: var(--info); }

table.cmp { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.cmp th, table.cmp td { padding: 10px 12px; border: 1px solid #1f1d16; text-align: left; vertical-align: top; }
table.cmp thead th { background: var(--bg-alt); font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600; letter-spacing: .06em; color: var(--text-muted); text-transform: uppercase; }
table.cmp td { color: var(--text-dim); }
table.cmp td b { color: var(--text); }

/* ── nav / resource cards ───────────────── */
.res-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; transition: border-color .18s, transform .18s; display: block; }
.res-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.res-card .rt { font-family: 'Fraunces', serif; font-weight: 600; font-size: 18px; margin: 0 0 5px; color: var(--text); }
.res-card .rt .arrow { color: var(--accent); font-family: 'JetBrains Mono', monospace; font-size: 14px; }
.res-card .rd { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.6; }
.res-card .rmeta { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted); margin: 0 0 8px; }

/* ── HC deck (blueprint) ────────────────── */
.deck-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 0 0 8px; }
.search { flex: 1; min-width: 220px; }
.search input { width: 100%; height: 40px; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-ctl); color: var(--text); padding: 0 14px; font-size: 14px;
  font-family: inherit; transition: border-color .15s, box-shadow .15s; }
.search input::placeholder { color: var(--text-muted); }
.search input:focus-visible { outline: none; border-color: var(--accent); box-shadow: var(--focus); }
.filters { display: flex; flex-wrap: wrap; gap: 7px; }
.filter-chip { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .04em;
  color: var(--text-dim); background: var(--panel); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 999px; cursor: pointer; transition: all .15s; }
.filter-chip:hover { border-color: var(--accent); color: var(--text); }
.filter-chip.on { color: #0e0d0a; background: var(--accent); border-color: var(--accent); font-weight: 600; }
.filter-chip:focus-visible { outline: none; box-shadow: var(--focus); }
.deck-count { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-muted); margin: 14px 0 18px; }
.deck { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr)); gap: 14px; }
.hc-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 15px 16px; cursor: pointer; transition: border-color .15s, transform .15s; position: relative; }
.hc-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.hc-card.cat-critical { border-top: 2px solid var(--accent); }
.hc-card.cat-creative { border-top: 2px solid var(--good); }
.hc-card.cat-communication { border-top: 2px solid var(--info); }
.hc-card.cat-interaction { border-top: 2px solid var(--warn); }
.hc-card .tagn { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--accent-bright); margin: 0 0 3px; word-break: break-all; }
.hc-card .nm { font-size: 14.5px; font-weight: 600; color: var(--text); margin: 0 0 6px; }
.hc-card .nm .en { display:block; font-size: 11px; color: var(--text-muted); font-weight: 400; font-family:'JetBrains Mono',monospace; letter-spacing:.02em; margin-top:2px; }
.hc-card .def { font-size: 12.5px; color: var(--text-dim); margin: 0; line-height: 1.55; }
.hc-card .trig { font-size: 12px; color: var(--text-muted); margin: 9px 0 0; padding-top: 9px;
  border-top: 1px dashed var(--border); line-height: 1.5; display: none; }
.hc-card .trig b { color: var(--accent); font-weight: 600; }
.hc-card.open .trig { display: block; }
.hc-card .cattag { position: absolute; top: 13px; right: 13px; font-family:'JetBrains Mono',monospace;
  font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); opacity:.6;}
.empty { color: var(--text-muted); font-size: 14px; padding: 30px; text-align: center;
  border: 1px dashed var(--border); border-radius: 12px; }

/* ── training module ────────────────────── */
.module { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-panel);
  margin: 0 0 16px; overflow: hidden; }
.module-head { display: flex; align-items: baseline; gap: 12px; padding: 18px 20px; cursor: pointer;
  flex-wrap: wrap; transition: background .15s; }
.module-head:hover { background: var(--panel-2); }
.module-head .mtag { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--accent-bright); }
.module-head .mname { font-family: 'Fraunces', serif; font-size: 19px; font-weight: 600; color: var(--text); }
.module-head .men { font-size: 11px; color: var(--text-muted); font-family:'JetBrains Mono',monospace; }
.module-head .mtog { margin-left: auto; color: var(--text-muted); font-family:'JetBrains Mono',monospace; font-size: 18px; transition: transform .2s; }
.module.open .module-head .mtog { transform: rotate(45deg); }
.module-body { display: none; padding: 0 20px 20px; }
.module.open .module-body { display: block; }
.mdef { font-size: 14.5px; color: var(--text-dim); margin: 0 0 16px; line-height: 1.7; }
.mdef b { color: var(--text); }
.mblock { margin: 0 0 16px; }
.mblock .mh { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.mblock.anti .mh { color: var(--bad); }
.mblock.ambush .mh { color: var(--warn); }
.mblock ol, .mblock ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.mblock li { font-size: 14px; color: var(--text-dim); line-height: 1.6; }
.drill-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.drill { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.drill .dl { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-muted); margin: 0 0 6px; }
.drill .dl .dom { color: var(--accent); }
.drill p { font-size: 13.5px; color: var(--text-dim); margin: 0; line-height: 1.6; }
.ambush-box { background: var(--panel-2); border: 1px solid var(--border); border-left: 2px solid var(--warn);
  border-radius: 0 10px 10px 0; padding: 14px 16px; display: grid; gap: 10px; }
.ambush-box .ab-case { font-size: 14px; color: var(--text); }
.ambush-box .ab-row { font-size: 13px; color: var(--text-dim); }
.ambush-box .ab-row b.trap { color: var(--bad); } .ambush-box .ab-row b.real { color: var(--good); }
table.rubric { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 6px; }
table.rubric td { padding: 7px 10px; border: 1px solid #1f1d16; vertical-align: top; color: var(--text-dim); }
table.rubric td.sc { width: 38px; text-align: center; font-family:'JetBrains Mono',monospace;
  font-weight: 600; color: var(--text-muted); }
table.rubric tr:last-child td.sc { color: var(--good); }
table.rubric tr:first-child td.sc { color: var(--bad); }

/* ── week timeline (plan) ───────────────── */
.weeks { display: grid; gap: 12px; }
.week { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px;
  display: grid; grid-template-columns: 56px minmax(0,1fr); gap: 16px; }
.week .wn { font-family: 'Fraunces', serif; font-size: 30px; font-weight: 700; color: var(--accent);
  line-height: 1; }
.week .wn small { display: block; font-family:'JetBrains Mono',monospace; font-size: 9px; letter-spacing:.12em;
  color: var(--text-muted); margin-top: 4px; }
.week .wt { font-family: 'Fraunces', serif; font-size: 17px; font-weight: 600; color: var(--text); margin: 0 0 4px; }
.week .whc { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 9px; }
.week .whc span { font-family:'JetBrains Mono',monospace; font-size: 10.5px; color: var(--accent-bright);
  background: rgba(212,163,115,.1); padding: 1px 7px; border-radius: 4px; }
.week .wout { font-size: 13.5px; color: var(--text-dim); margin: 0 0 10px; }
.week .wphase { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.week .wp { background: var(--panel-2); border-radius: 8px; padding: 9px 11px; }
.week .wp .wpl { font-family:'JetBrains Mono',monospace; font-size: 9px; letter-spacing:.1em;
  text-transform: uppercase; color: var(--text-muted); margin: 0 0 4px; }
.week .wp p { font-size: 12px; color: var(--text-dim); margin: 0; line-height: 1.5; }
.boot { display: grid; gap: 10px; }
.boot .bd { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 13px 16px; display: grid; grid-template-columns: 70px 130px minmax(0,1fr); gap: 14px; align-items: center; }
.boot .bd .days { font-family:'JetBrains Mono',monospace; font-size: 13px; color: var(--accent); }
.boot .bd .foc { font-family:'JetBrains Mono',monospace; font-size: 12px; color: var(--accent-bright); }
.boot .bd .tk { font-size: 13px; color: var(--text-dim); }

/* ── AI prompt boxes ────────────────────── */
.prompt-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-panel);
  margin: 0 0 16px; overflow: hidden; }
.prompt-box .ph { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.prompt-box .ph .pt { font-family: 'Fraunces', serif; font-size: 17px; font-weight: 600; color: var(--text); }
.copy-btn { margin-left: auto; font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing:.06em;
  color: var(--accent-bright); background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); border-radius: var(--r-ctl);
  padding: 6px 14px; cursor: pointer; transition: all .15s; }
.copy-btn:hover { background: color-mix(in srgb, var(--accent) 22%, transparent); }
.copy-btn:focus-visible { outline: none; box-shadow: var(--focus); }
.copy-btn.done { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, transparent);
  background: color-mix(in srgb, var(--good) 12%, transparent); }
.prompt-body { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; line-height: 1.75;
  color: var(--text-dim); white-space: pre-wrap; padding: 16px 18px; margin: 0; max-height: 340px; overflow-y: auto; }

/* ── interactive drills (gym) ───────────── */
.sorter { display: grid; gap: 16px; }
.sort-pool { display: flex; flex-wrap: wrap; gap: 9px; min-height: 44px; }
.sort-item { font-size: 13.5px; color: var(--text); background: var(--panel); border: 1px solid var(--border);
  border-radius: 999px; padding: 8px 15px; cursor: grab; transition: all .15s; user-select: none; }
.sort-item:hover { border-color: var(--accent); }
.sort-item.dragging { opacity: .4; }
.sort-item.right { border-color: var(--good); color: var(--good); }
.sort-item.wrong { border-color: var(--bad); color: var(--bad); }
.bins { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.bin { background: var(--panel-2); border: 1px dashed var(--border); border-radius: 12px; padding: 12px;
  min-height: 130px; transition: border-color .15s, background .15s; }
.bin.over { border-color: var(--accent); border-style: solid; background: color-mix(in srgb,var(--accent) 8%,transparent); }
.bin .binh { font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing:.06em; color: var(--text-dim);
  text-transform: uppercase; margin: 0 0 10px; text-align: center; }
.bin .drop { display: grid; gap: 7px; }
.btn { font-family: inherit; font-size: 14px; font-weight: 600; color: #0e0d0a; background: var(--accent);
  border: none; border-radius: var(--r-ctl); padding: 10px 22px; cursor: pointer; transition: all .15s; }
.btn:hover { background: var(--accent-bright); }
.btn:focus-visible { outline: none; box-shadow: var(--focus); }
.btn.ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn.ghost:hover { color: var(--text); border-color: var(--accent); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.score-pill { font-family:'JetBrains Mono',monospace; font-size: 13px; color: var(--accent-bright); }
.gapmap { display: grid; gap: 12px; }
.gapmap .gf { display: grid; gap: 6px; }
.gapmap label { font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing:.06em;
  text-transform: uppercase; color: var(--accent); }
.gapmap label .hint { color: var(--text-muted); text-transform: none; letter-spacing: 0; font-size: 11px; }
.gapmap textarea { width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-ctl);
  color: var(--text); padding: 10px 13px; font-family: inherit; font-size: 14px; line-height: 1.6; resize: vertical;
  min-height: 52px; transition: border-color .15s, box-shadow .15s; }
.gapmap textarea:focus-visible { outline: none; border-color: var(--accent); box-shadow: var(--focus); }
.ambush-timer { font-family:'JetBrains Mono',monospace; font-size: 30px; color: var(--accent); font-variant-numeric: tabular-nums; }
.self-rubric { display: grid; gap: 8px; }
.self-rubric .sr { display: flex; gap: 12px; align-items: flex-start; background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px; cursor: pointer; transition: border-color .15s; }
.self-rubric .sr:hover { border-color: var(--accent); }
.self-rubric .sr.on { border-color: var(--accent); background: color-mix(in srgb,var(--accent) 8%,transparent); }
.self-rubric .sr .sc { font-family:'JetBrains Mono',monospace; font-weight:600; color: var(--accent); }
.self-rubric .sr p { font-size: 13.5px; color: var(--text-dim); margin: 0; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--panel); border: 1px solid var(--accent); color: var(--text); padding: 11px 20px;
  border-radius: 999px; font-size: 13.5px; opacity: 0; pointer-events: none; transition: all .25s; z-index: 60; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── footer ─────────────────────────────── */
footer.site { border-top: 1px solid var(--border); margin-top: 40px; }
.footer-in { max-width: var(--maxw); margin: 0 auto; padding: 22px 24px; font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-in a:hover { color: var(--accent); }

/* ── responsive ─────────────────────────── */
@media (max-width: 820px) {
  .grid2, .grid3, .drill-grid, .week .wphase { grid-template-columns: 1fr; }
  .bins { grid-template-columns: 1fr 1fr; }
  h1.hero { font-size: 31px; }
  .week { grid-template-columns: 1fr; }
  .boot .bd { grid-template-columns: 1fr; gap: 5px; }
  .header-in { padding: 12px 18px; }
  main { padding: 30px 18px 80px; }
}
@media (max-width: 480px) { .bins { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
@media print {
  :root { --bg:#fff; --bg-alt:#f5f2ec; --panel:#faf8f4; --panel-2:#f3efe7; --border:#ddd6c8;
    --text:#1c1a14; --text-dim:#545044; --text-muted:#8a8475; --accent:#a87544; --accent-bright:#8a5e34; }
  header.site { position: static; } .nav, .copy-btn, .btn { display: none; }
  .module-body, .hc-card .trig { display: block !important; }
}