/* DWELL — drafting-document design system.
   Identity: an architectural survey sheet. Paper ground, graphite ink,
   cyanotype blue for actions, seal red ONLY for failed verdicts/refusals.
   Signature rule: certainty renders as ink — the provenance rung tints every
   badge (and, on plan drawings, every stroke). MEASURED is full ink; UNKNOWN
   is a dashed outline holding no fill. */

:root {
  --paper: #F6F5F0;
  --panel: #FFFFFF;
  --ink: #211F1A;
  --ink-soft: #5D5A50;
  --rule: #DAD7CC;
  --act: #2B57A6;
  --act-soft: #E8EDF6;
  --fail: #B3261E;
  --fail-soft: #F9ECEA;
  --pass: #2F6B4E;

  --p-measured: #211F1A;
  --p-declared: #2B57A6;
  --p-derived: #4A7A8C;
  --p-code: #8A6D2F;
  --p-archetype: #8D877A;
  --p-unknown: #8D877A;

  --mono: "Cascadia Mono", "D2Coding", Consolas, ui-monospace, monospace;
  --body: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo",
          "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.65;
}
a { color: var(--act); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--act-soft); padding: 0 4px; border-radius: 2px; }
:focus-visible { outline: 2px solid var(--act); outline-offset: 2px; }

/* ------------------------------------------------ title block (header) */
.titleblock { border-bottom: 3px double var(--ink); background: var(--panel); }
.titleblock-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.wordmark {
  font-family: var(--mono); font-weight: 700; font-size: 20px; letter-spacing: 0.22em;
  color: var(--ink); text-decoration: none;
}
.wordmark:hover { text-decoration: none; }
.wordmark-sub {
  display: block; font-weight: 400; font-size: 10px; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--ink-soft);
}
.nav { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--ink); font-size: 14px; }
.nav a:hover { color: var(--act); }
.nav-cta { font-weight: 600; color: var(--act) !important; }
.nav-id { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); }
.linklike {
  background: none; border: none; padding: 0; font: inherit; font-size: 14px;
  color: var(--act); cursor: pointer;
}
.linklike:hover { text-decoration: underline; }

/* ------------------------------------------------ sheet (main) + footer */
.sheet { max-width: 1080px; margin: 0 auto; padding: 36px 20px 72px; }
.sheetfoot {
  max-width: 1080px; margin: 0 auto; padding: 14px 20px 28px;
  border-top: 1px solid var(--rule);
  display: flex; gap: 18px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; color: var(--ink-soft);
}
.foot-warn { color: var(--fail); }

/* ------------------------------------------------ shared building blocks */
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--ink-soft); margin: 0 0 10px;
}
h1 { font-size: 40px; line-height: 1.18; letter-spacing: -0.015em; margin: 0 0 16px; }
.pagehead h1 { font-size: 30px; }
.lede { max-width: 620px; color: var(--ink-soft); margin: 0 0 22px; }
.lede em, .flip-note em { font-style: normal; font-weight: 700; color: var(--ink); }
.narrow { max-width: 460px; margin: 0 auto; }

.panel {
  background: var(--panel); border: 1px solid var(--rule); border-radius: 3px;
  padding: 18px 20px; margin: 0 0 18px;
}
.panel-fail { border-color: var(--fail); background: var(--fail-soft); }
.panel h2 { font-size: 16px; margin: 0 0 8px; }

.btn, .btn-ghost {
  display: inline-block; padding: 9px 18px; border-radius: 3px; font-size: 14px;
  font-weight: 600; cursor: pointer; border: 1px solid var(--act);
}
.btn { background: var(--act); color: #fff; }
.btn:hover { background: #23477F; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--act); }
.btn-ghost:hover { background: var(--act-soft); text-decoration: none; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 20px 0 0; }

/* ------------------------------------------------ provenance badges
   The one badge format [RUNG 0.xx] — same string as the CLI, wearing its rung.
   Ink density is the message: MEASURED fills solid; UNKNOWN can't hold ink. */
.badge {
  font-family: var(--mono); font-size: 11px; white-space: nowrap;
  padding: 1px 6px; border-radius: 2px; border: 1px solid currentColor;
  vertical-align: 6%;
}
.p-MEASURED { color: var(--paper); background: var(--p-measured); border-color: var(--p-measured); }
.p-DECLARED { color: var(--p-declared); background: #EDF1F8; }
.p-DERIVED { color: var(--p-derived); background: #EDF3F5; }
.p-CODE_INFERRED { color: var(--p-code); background: #F5F0E4; }
.p-ARCHETYPE { color: var(--p-archetype); background: transparent; }
.p-UNKNOWN { color: var(--p-unknown); background: transparent; border-style: dashed; }

.verdict-fail { color: var(--fail); }
.verdict-pass { color: var(--pass); }

/* ------------------------------------------------ landing */
.hero { padding: 26px 0 8px; }
.hero h1 { font-size: clamp(40px, 7vw, 64px); }

.flip { margin: 44px 0 8px; }
.flip-caption { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); margin: 0 0 10px; }
.flip-panels { display: flex; gap: 14px; align-items: stretch; flex-wrap: wrap; }
.flip-card {
  flex: 1 1 320px; background: var(--panel); border: 1px solid var(--rule);
  border-radius: 3px; padding: 18px 20px;
}
.flip-after { border-color: var(--ink); }
.flip-arrow { align-self: center; font-size: 24px; color: var(--ink-soft); }
.flip-head {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--ink-soft); margin: 0 0 10px; font-weight: 400;
}
.flip-verdict { font-size: 18px; margin: 0 0 8px; }
.flip-link { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); margin: 0 0 10px; }
.flip-note { font-size: 13px; color: var(--ink-soft); margin: 0; }

.rules { display: flex; gap: 14px; flex-wrap: wrap; margin: 44px 0 0; }
.rule-card {
  flex: 1 1 280px; border-top: 3px solid var(--ink); padding: 14px 2px 0;
}
.rule-card h2 { font-size: 17px; margin: 0 0 8px; }
.rule-card p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }

.ladder { margin: 48px 0 0; border: 1px solid var(--rule); border-radius: 3px; background: var(--panel); padding: 16px 20px; }
.ladder-row { list-style: none; display: flex; gap: 18px 26px; flex-wrap: wrap; margin: 0; padding: 0; }
.ladder-row li { display: flex; flex-direction: column; gap: 5px; }
.ladder-what { font-size: 12px; color: var(--ink-soft); }

/* ------------------------------------------------ demo transcript
   The CLI's own printout, pasted onto the sheet — kept dark on purpose. */
.transcript {
  background: #16150F; color: #DDD9CC; border-radius: 3px;
  padding: 18px 20px; overflow-x: auto;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.6;
}

/* ------------------------------------------------ forms */
.form-grid { display: grid; gap: 8px; }
.form-grid label { font-size: 13px; font-weight: 600; }
.form-grid input, .form-grid select, .form-grid textarea {
  font: inherit; padding: 8px 10px; border: 1px solid var(--rule); border-radius: 3px;
  background: var(--paper); color: var(--ink); width: 100%;
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
  border-color: var(--act); outline: none;
}
.form-grid .btn { margin-top: 10px; }
.form-error { color: var(--fail); font-size: 13px; margin: 8px 0 0; }

/* ------------------------------------------------ session cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.card {
  display: block; background: var(--panel); border: 1px solid var(--rule);
  border-radius: 3px; padding: 16px 18px; color: var(--ink);
}
.card:hover { border-color: var(--act); text-decoration: none; }
.card-title { font-family: var(--mono); font-size: 15px; margin: 0 0 8px; }
.card-facts { display: flex; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--ink-soft); margin: 0 0 8px; }
.card-rung { font-size: 12.5px; color: var(--ink-soft); margin: 0; }
.card-problem { color: var(--fail); font-size: 13px; margin: 0; }

/* ------------------------------------------------ session sheet */
.section-head {
  font-size: 15px; font-weight: 700; letter-spacing: 0.01em;
  border-top: 3px solid var(--ink); padding-top: 10px; margin: 40px 0 14px;
}
details > summary.section-head { cursor: pointer; display: block; }
details > summary.section-head::before { content: "▸ "; color: var(--ink-soft); }
details[open] > summary.section-head::before { content: "▾ "; }
.lock-reason { font-size: 13px; color: var(--ink-soft); max-width: 720px; margin: 6px 0 0; }
.dim { color: var(--ink-soft); font-size: 12.5px; }

.next-ask { border-left: 4px solid var(--act); }
.ask-line { font-size: 15px; margin: 0 0 6px; }
.ask-cost { font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft); }
.ask-rationale { font-size: 13px; color: var(--ink-soft); margin: 0 0 6px; }
.ask-how { font-size: 13px; margin: 0 0 4px; overflow-wrap: anywhere; }
.ask-list { margin: 0; padding-left: 22px; }
.ask-item { margin: 0 0 14px; }

/* the plan drawing */
.plan-figure { background: var(--panel); border: 1px solid var(--rule); border-radius: 3px; padding: 14px; margin: 0; }
.plan { width: 100%; height: auto; max-height: 560px; display: block; }
.plan-space { fill: var(--panel); }
.plan-cut { stroke: var(--panel); }
.plan-window { opacity: 0.95; }
.plan-door { opacity: 0.8; }
.plan-object rect { fill: color-mix(in srgb, var(--paper) 70%, transparent); }
.plan-object { stroke: var(--ink-soft); }
.plan-label { fill: var(--ink); font-family: var(--body); font-weight: 600; }
.plan-small { fill: var(--ink-soft); font-family: var(--mono); }
.plan-anno { stroke: var(--ink-soft); }
.plan-anno-fill { fill: var(--ink-soft); }
.plan-proposed rect { fill: var(--act-soft); stroke: var(--act); }
.plan-rejected rect { fill: transparent; stroke: var(--fail); stroke-dasharray: 90 70; }
.p-line-MEASURED { stroke: var(--p-measured); }
.p-line-DECLARED { stroke: var(--p-declared); }
.p-line-DERIVED { stroke: var(--p-derived); }
.p-line-CODE_INFERRED { stroke: var(--p-code); }
.p-line-ARCHETYPE { stroke: var(--p-archetype); }
.p-line-UNKNOWN { stroke: var(--p-unknown); }
.plan-dash { stroke-dasharray: 160 110; }
.plan-legend { display: flex; gap: 14px 20px; flex-wrap: wrap; margin-top: 10px; font-size: 12px; color: var(--ink-soft); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 22px; height: 4px; display: inline-block; border-radius: 1px; }
.swatch-dash {
  background: repeating-linear-gradient(90deg, var(--p-archetype) 0 6px, transparent 6px 10px);
}
.undrawable { margin-top: 10px; font-size: 13px; color: var(--ink-soft); }
.undrawable summary { cursor: pointer; }
.undrawable ul { margin: 8px 0 0; padding-left: 20px; }

/* the answer schedule */
.family-head { font-size: 14px; margin: 20px 0 8px; }
.family-tag { font-family: var(--mono); color: var(--ink-soft); font-weight: 400; }
.ans-list { list-style: none; margin: 0; padding: 0; }
.ans { border-bottom: 1px solid var(--rule); padding: 10px 2px; }
.ans-value { margin: 0 0 4px; font-size: 14.5px; }
.ans-band, .ans-weakest, .ans-notes {
  margin: 0 0 3px; font-size: 12.5px; color: var(--ink-soft); overflow-wrap: anywhere;
}
.ans-unknown .ans-value { color: var(--ink-soft); }
.glyph { font-weight: 700; margin-right: 4px; }

/* gaps + backlog */
.gap-list { list-style: none; margin: 8px 0 0; padding: 0; }
.gap-item { border-bottom: 1px solid var(--rule); padding: 10px 2px; }
.gap-head { margin: 0 0 4px; font-size: 14px; }
.gap-type { font-family: var(--mono); font-size: 11.5px; }
.gap-DESIGN_GAP { color: var(--fail); }
.gap-MODEL_GAP { color: var(--p-code); }
.gap-DATA_GAP { color: var(--act); }
.gap-TRUST_GAP { color: var(--p-derived); }
.gap-RESOLUTION_GAP { color: var(--p-archetype); }
.gap-why, .gap-path { margin: 0 0 3px; font-size: 12.5px; color: var(--ink-soft); overflow-wrap: anywhere; }

/* evidence forms */
.evidence-form { margin-bottom: 18px; }
.evidence-form h3 { margin: 0 0 6px; font-size: 16px; }
.measure-row { display: grid; grid-template-columns: 1fr 130px; gap: 8px; margin: 0 0 8px; }
.btn-small { padding: 5px 12px; font-size: 12.5px; justify-self: start; }
#utility-rows { margin-top: 14px; }

/* plan editor */
.editor-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 46%); gap: 16px; align-items: start; }
.editor-preview { position: sticky; top: 12px; }
.preview-panel .plan { background: var(--paper); border: 1px solid var(--rule); min-height: 300px; }
.ed-space { fill: rgba(43, 87, 166, 0.04); stroke: var(--ink); stroke-width: 60; }
.ed-label { fill: var(--ink-soft); font-family: var(--body); }
.ed-window { stroke: var(--act); stroke-width: 90; }
.ed-door { stroke: var(--p-code); stroke-width: 90; }
.pick-status { font-family: var(--mono); font-size: 12px; color: var(--act); min-height: 18px; margin: 6px 0; }
.underlay-controls { display: grid; gap: 6px; }
.room-card { border: 1px solid var(--rule); border-radius: 3px; padding: 10px 12px; margin: 0 0 10px; background: var(--paper); }
.room-head { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.room-head input { flex: 1; }
.dim-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0; }
label.mini { font-size: 11.5px; color: var(--ink-soft); display: grid; gap: 3px; }
label.mini input, label.mini select { width: 110px; font-size: 13px; padding: 5px 7px; }
.mini-head { font-size: 12px; color: var(--ink-soft); margin: 10px 0 4px; }
.opening-row, .passage-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 0 0 6px; }
.opening-row input, .opening-row select { width: 92px; font-size: 12.5px; padding: 4px 6px; }
.passage-row input { width: 100px; font-size: 12.5px; padding: 4px 6px; }
.passage-row select { font-size: 12.5px; padding: 4px 6px; max-width: 170px; }
.linklike.danger { color: var(--fail); font-size: 12px; }
.editor-forms .panel h3 { margin: 0 0 8px; font-size: 15px; }
.room-card input, .room-card select, .room-card textarea,
.passage-row input, .passage-row select {
  background: var(--panel); border: 1px solid var(--rule); border-radius: 3px; color: var(--ink);
}
.room-card textarea { width: 100%; font-family: var(--mono); font-size: 12px; }
@media (max-width: 900px) {
  .editor-grid { grid-template-columns: 1fr; }
  .editor-preview { position: static; }
}

/* placement */
.intent-set { border: 1px solid var(--rule); border-radius: 3px; padding: 10px 14px; }
.intent-set legend { font-size: 12.5px; color: var(--ink-soft); padding: 0 6px; }

/* wizard */
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-row label { display: block; margin-bottom: 4px; }
.check-row { font-weight: 400 !important; display: flex; gap: 8px; align-items: baseline; }
.wizard h3 { margin: 14px 0 4px; font-size: 15px; }
.obs-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 0 0 6px; }
@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; }
  .obs-row { grid-template-columns: repeat(2, 1fr); }
}

/* receipts + delta */
.receipt {
  background: #16150F; color: #DDD9CC; border-radius: 3px; padding: 14px 16px;
  overflow-x: auto; font-family: var(--mono); font-size: 12.5px; line-height: 1.6;
}
.delta-gaps { font-size: 15px; }
.delta-list { list-style: none; margin: 0; padding: 0; }
.delta-row { border-bottom: 1px solid var(--rule); padding: 8px 2px; }
.delta-line { margin: 0 0 4px; font-size: 13.5px; overflow-wrap: anywhere; }
.delta-flip { margin: 0; font-size: 13.5px; color: var(--fail); font-weight: 600; }
.delta-retyped { font-size: 13px; color: var(--ink-soft); }
.interior-flip { border-left: 4px solid var(--act); padding-left: 12px; font-size: 14px; }

/* ------------------------------------------------ motion + small screens */
@media (prefers-reduced-motion: no-preference) {
  .flip-after { animation: flip-settle 0.7s ease-out 0.35s backwards; }
  @keyframes flip-settle {
    from { opacity: 0; transform: translateX(6px); }
    to { opacity: 1; transform: none; }
  }
}
@media (max-width: 640px) {
  .sheet { padding: 24px 14px 56px; }
  h1 { font-size: 30px; }
  .flip-arrow { display: none; }
}

/* /fit — the standalone wedge's verdict rows */
.fit-rows { list-style: none; margin: 14px 0; padding: 0; display: grid; gap: 10px; }
.fit-row { display: grid; grid-template-columns: 150px 56px 1fr; gap: 10px; align-items: baseline; font-size: 14px; }
.fit-row .fit-label { font-weight: 600; }
.fit-row .fit-status { font-weight: 700; }
.fit-PASS .fit-status { color: var(--pass); }
.fit-FAIL .fit-status { color: var(--fail); }
.fit-UNKNOWN .fit-status { color: #8a6d1d; }
.fit-row .fit-detail { color: #444; }
@media (max-width: 640px) {
  .fit-row { grid-template-columns: 1fr; gap: 2px; }
}

/* /app/search — grid legend */
.grid-legend { font-size: 12.5px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.grid-legend span { display: inline-block; width: 14px; height: 14px; border-radius: 3px; margin-left: 8px; }