/* ═══════════════════════════════════════════════════════════════════
   Atelier Duchastel — feuille de style commune aux documents de travail
   Shared stylesheet for the planning documents under /atelier/
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --ground:      #F0F3EE;
  --surface:     #F8FAF6;
  --surface-alt: #E7ECE3;
  --ink:         #1B211C;
  --ink-soft:    #56605A;
  --ink-faint:   #7C867F;
  --rule:        #D1D9CC;
  --rule-soft:   #E1E7DC;
  --accent:      #2C5B48;
  --accent-soft: #5C8B76;
  --quill:       #8A5A2B;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  --measure: 68ch;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground:      #121614;
    --surface:     #1A1F1B;
    --surface-alt: #222823;
    --ink:         #E3E8E1;
    --ink-soft:    #9AA69E;
    --ink-faint:   #78837B;
    --rule:        #2C332E;
    --rule-soft:   #232925;
    --accent:      #74B195;
    --accent-soft: #4E7D67;
    --quill:       #C9955F;
  }
}

:root[data-theme="dark"] {
  --ground:      #121614;
  --surface:     #1A1F1B;
  --surface-alt: #222823;
  --ink:         #E3E8E1;
  --ink-soft:    #9AA69E;
  --ink-faint:   #78837B;
  --rule:        #2C332E;
  --rule-soft:   #232925;
  --accent:      #74B195;
  --accent-soft: #4E7D67;
  --quill:       #C9955F;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 78rem; margin: 0 auto; padding: 0 clamp(1.1rem, 4vw, 3rem); }
.col  { max-width: var(--measure); }

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--surface-alt);
  padding: .12em .38em;
  border-radius: 3px;
}

/* ── Masthead ─────────────────────────────────────────────────────── */
header.mast {
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
  padding: clamp(2.6rem, 7vw, 5rem) 0 clamp(1.9rem, 4vw, 2.8rem);
}
.kicker {
  font-family: var(--sans);
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .9rem;
  align-items: baseline;
}
.kicker .sep { color: var(--rule); }
.kicker .here { color: var(--ink-soft); font-weight: 600; }

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 6.6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.018em;
  text-wrap: balance;
  margin: 0 0 1.1rem;
}
.standfirst {
  font-size: clamp(1.04rem, 2vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0;
}
.mast-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 2rem;
  margin-top: 2.3rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--sans);
  font-size: .8rem;
  color: var(--ink-faint);
}
.mast-meta b { font-weight: 600; color: var(--ink-soft); }

/* ── Sections ─────────────────────────────────────────────────────── */
section {
  padding: clamp(2.8rem, 7vw, 4.6rem) 0;
  border-bottom: 1px solid var(--rule-soft);
}
section:last-of-type { border-bottom: 0; }

.sec-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--rule);
}
.sec-num { font-family: var(--mono); font-size: .78rem; color: var(--accent); flex: none; }
h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 3.4vw, 2.15rem);
  line-height: 1.14;
  letter-spacing: -.012em;
  text-wrap: balance;
  margin: 0;
}
h3 { font-family: var(--sans); font-weight: 620; font-size: .95rem; margin: 2.1rem 0 .7rem; }
h4 {
  font-family: var(--sans);
  font-size: .7rem;
  font-weight: 650;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 .8rem;
}

/* ── Decisions ────────────────────────────────────────────────────── */
.decisions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.decision { background: var(--surface); padding: 1.15rem 1.25rem 1.3rem; }
.decision dt {
  font-family: var(--sans);
  font-size: .69rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: .45rem;
}
.decision dd { margin: 0; font-size: 1.02rem; line-height: 1.4; }
.decision dd span {
  display: block;
  font-family: var(--sans);
  font-size: .82rem;
  color: var(--ink-soft);
  margin-top: .35rem;
  line-height: 1.45;
}

/* ── Audit ────────────────────────────────────────────────────────── */
.audit {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 1.15rem;
  max-width: var(--measure);
}
.audit li { display: grid; grid-template-columns: 1.6rem 1fr; gap: .1rem 1rem; align-items: start; }
.audit .mark { font-family: var(--mono); font-size: .95rem; color: var(--quill); line-height: 1.5; }
.audit b { font-family: var(--sans); font-weight: 620; font-size: .96rem; }
.audit p { margin: .22rem 0 0; color: var(--ink-soft); font-size: .97rem; }

/* ── Stats ────────────────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 0 2.4rem;
}
.stat { background: var(--surface); padding: 1rem 1.1rem 1.15rem; }
.stat .n {
  font-family: var(--serif); font-size: 1.85rem; line-height: 1;
  font-variant-numeric: tabular-nums; display: block; margin-bottom: .3rem;
}
.stat .l { font-family: var(--sans); font-size: .74rem; color: var(--ink-faint); line-height: 1.35; display: block; }

/* ── Registry bands ───────────────────────────────────────────────── */
.bands {
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  background: var(--surface);
  margin: 0 0 1.5rem;
  max-width: 82ch;
}
.band { padding: 1.05rem 1.2rem; border-bottom: 1px solid var(--rule); }
.band:last-child { border-bottom: 0; }
.band .bl {
  font-family: var(--sans);
  font-size: .66rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: .6rem;
}
.chips { display: flex; flex-wrap: wrap; gap: .38rem; }
.chip {
  font-family: var(--mono);
  font-size: .78rem;
  background: var(--surface-alt);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: .16rem .55rem;
  color: var(--ink);
}
.chip.add { border-style: dashed; color: var(--accent); }
.band .hint { font-family: var(--sans); font-size: .8rem; color: var(--ink-soft); margin: .6rem 0 0; }
.band.derived { background: var(--surface-alt); }

/* ── Components ───────────────────────────────────────────────────── */
.comps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.comp { background: var(--surface); padding: 1.2rem 1.25rem 1.35rem; }
.comp .id { font-family: var(--mono); font-size: .82rem; color: var(--accent); display: block; margin-bottom: .5rem; }
.comp b { font-family: var(--sans); font-size: .95rem; font-weight: 620; display: block; margin-bottom: .35rem; }
.comp p { margin: 0; font-size: .91rem; color: var(--ink-soft); line-height: 1.5; }
.comp .used {
  display: block; margin-top: .7rem; padding-top: .6rem;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--sans); font-size: .74rem; color: var(--ink-faint);
}

/* ── Tables ───────────────────────────────────────────────────────── */
.t-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--surface);
  margin: 0 0 1.5rem;
}
table { border-collapse: collapse; width: 100%; min-width: 32rem; font-size: .93rem; }
th, td { text-align: left; padding: .7rem .95rem; border-bottom: 1px solid var(--rule-soft); vertical-align: top; }
th {
  font-family: var(--sans); font-size: .7rem; font-weight: 650;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-faint); background: var(--surface-alt); white-space: nowrap;
}
tbody tr:last-child td { border-bottom: 0; }
td code { font-size: .84em; }

/* ── Code ─────────────────────────────────────────────────────────── */
.fig { max-width: 82ch; margin: 0 0 1.6rem; }
.filename { display: block; font-family: var(--mono); font-size: .73rem; color: var(--ink-faint); margin: 0 0 .4rem; }
pre {
  margin: 0; padding: 1.05rem 1.2rem;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 4px;
  overflow-x: auto; font-family: var(--mono); font-size: .795rem; line-height: 1.68; color: var(--ink);
}
pre code { background: none; padding: 0; font-size: inherit; }
.k { color: var(--accent); }
.c { color: var(--ink-faint); font-style: italic; }
.s { color: var(--quill); }

/* ── Confidence marks: shape + word, no colour ────────────────────── */
.badge {
  display: inline-flex; align-items: baseline; gap: .38rem;
  font-family: var(--sans); font-size: .78rem; font-weight: 620;
  color: var(--ink-soft); white-space: nowrap;
}
.badge .g { font-size: .88em; line-height: 1; color: var(--ink); }
.badge.flag {
  border: 1px solid var(--rule); border-radius: 3px;
  padding: .06rem .42rem; background: var(--surface-alt);
}

/* ── Ledger ───────────────────────────────────────────────────────── */
.ledger {
  list-style: none; margin: 1.3rem 0 0; padding: 0;
  max-width: var(--measure); display: flex; flex-direction: column; gap: .55rem;
}
.ledger li {
  display: grid; grid-template-columns: 1.4rem 1fr; gap: .9rem;
  align-items: start; font-size: .95rem; color: var(--ink-soft);
}
.ledger .n { font-family: var(--mono); font-size: .78rem; color: var(--accent); padding-top: .2rem; }
.ledger b { font-family: var(--sans); font-weight: 620; color: var(--ink); }

/* ── Callouts ─────────────────────────────────────────────────────── */
.callout, .note {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.25rem 1.4rem;
  margin: 1.6rem 0;
  max-width: var(--measure);
}
.callout { border-left: 3px solid var(--quill); }
.note    { border-left: 3px solid var(--accent-soft); }
.callout h4 { color: var(--quill); }
.note h4 { color: var(--accent); }
.callout p, .note p { font-size: .96rem; }

/* ── Stages ───────────────────────────────────────────────────────── */
.phases { display: flex; flex-direction: column; }
.phase {
  display: grid; grid-template-columns: 5.5rem 1fr; gap: 0 1.8rem;
  padding: 1.7rem 0; border-top: 1px solid var(--rule);
}
.phase:first-child { border-top: 0; padding-top: 0; }
.phase-n { font-family: var(--mono); font-size: .78rem; color: var(--accent); padding-top: .28rem; }
.phase-n span {
  display: block; font-size: 1.9rem; line-height: 1; color: var(--ink);
  margin-top: .3rem; font-variant-numeric: tabular-nums;
}
.phase h3 {
  margin: 0 0 .5rem; font-size: 1.15rem;
  font-family: var(--serif); font-weight: 400; letter-spacing: -.008em;
}
.phase > div > p { max-width: var(--measure); color: var(--ink-soft); font-size: .98rem; }
.ships { list-style: none; margin: .9rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.ships li {
  font-family: var(--sans); font-size: .77rem; color: var(--ink-soft);
  background: var(--surface-alt); border: 1px solid var(--rule-soft);
  border-radius: 100px; padding: .2rem .68rem;
}
.outcome {
  margin-top: .95rem; padding-left: .95rem;
  border-left: 2px solid var(--accent-soft);
  font-size: .93rem; color: var(--ink-soft); max-width: var(--measure);
}
.outcome b {
  font-family: var(--sans); font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); display: block; margin-bottom: .2rem;
}

/* ── Details ──────────────────────────────────────────────────────── */
details {
  border: 1px solid var(--rule); border-radius: 4px;
  background: var(--surface); margin-bottom: .7rem; max-width: var(--measure);
}
summary {
  cursor: pointer; padding: .85rem 1.1rem;
  font-family: var(--sans); font-weight: 600; font-size: .93rem;
  list-style: none; display: flex; gap: .7rem; align-items: baseline;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; font-family: var(--mono); color: var(--accent); flex: none; }
details[open] summary::before { content: "\2212"; }
details > div { padding: 0 1.1rem 1.1rem 2.5rem; font-size: .95rem; color: var(--ink-soft); }
details > div p:first-child { margin-top: 0; }

/* ── Fiches: cast cards ───────────────────────────────────────────── */
.cast {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.card { background: var(--surface); padding: 1.1rem 1.2rem 1.25rem; }
.card .nm { font-family: var(--serif); font-size: 1.06rem; line-height: 1.25; display: block; margin-bottom: .18rem; }
.card .dt {
  font-family: var(--mono); font-size: .76rem; color: var(--ink-faint);
  font-variant-numeric: tabular-nums; display: block; margin-bottom: .6rem;
}
.card p { margin: 0; font-family: var(--sans); font-size: .86rem; color: var(--ink-soft); line-height: 1.5; }

/* ── Fiches: source quotes ────────────────────────────────────────── */
.src {
  border-left: 2px solid var(--rule);
  padding-left: 1.05rem;
  margin: 1.2rem 0;
  max-width: var(--measure);
  font-style: italic;
  color: var(--ink-soft);
  font-size: .96rem;
}
.src cite {
  display: block; font-style: normal; font-family: var(--sans);
  font-size: .75rem; color: var(--ink-faint); margin-top: .5rem;
}

/* ── Fiches: render preview ───────────────────────────────────────── */
.preview {
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--surface);
  padding: 1.3rem 1.4rem;
  margin: 1.4rem 0;
  max-width: var(--measure);
}
.preview .lbl {
  font-family: var(--sans); font-size: .66rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-faint);
  display: block; margin-bottom: .9rem; padding-bottom: .5rem;
  border-bottom: 1px solid var(--rule-soft);
}
.fact {
  display: grid; grid-template-columns: 8.5rem 1fr auto;
  gap: .3rem 1rem; padding: .42rem 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline; font-size: .95rem;
}
.fact:last-child { border-bottom: 0; }
.fact .f { font-family: var(--sans); font-size: .78rem; color: var(--ink-faint); }
.fact .v { font-variant-numeric: tabular-nums; }
.fact .v em { font-style: normal; color: var(--ink-faint); }

/* ── Fiches: research log ─────────────────────────────────────────── */
.log { list-style: none; margin: 0; padding: 0; max-width: var(--measure); }
.log li { padding: .9rem 0; border-bottom: 1px solid var(--rule-soft); }
.log li:last-child { border-bottom: 0; }
.log .q { font-size: 1rem; margin: 0 0 .35rem; }
.log .meta {
  display: flex; flex-wrap: wrap; gap: .45rem .9rem; align-items: baseline;
  font-family: var(--sans); font-size: .77rem; color: var(--ink-faint);
}

/* ── Index ────────────────────────────────────────────────────────── */
.docs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 0 1.8rem;
}
.doc { background: var(--surface); padding: 1.4rem 1.5rem 1.5rem; }
.doc h3 {
  margin: 0 0 .4rem; font-family: var(--serif); font-weight: 400;
  font-size: 1.3rem; letter-spacing: -.01em;
}
.doc p { font-size: .93rem; color: var(--ink-soft); margin: 0 0 1rem; }
.doc .langs { display: flex; gap: .5rem; }
.doc .langs a {
  font-family: var(--sans); font-size: .8rem; font-weight: 600;
  text-decoration: none; border: 1px solid var(--rule);
  border-radius: 3px; padding: .28rem .8rem; background: var(--surface-alt);
}
.doc .langs a:hover { border-color: var(--accent-soft); }

footer {
  padding: 2.6rem 0 3.4rem; border-top: 1px solid var(--rule);
  font-family: var(--sans); font-size: .82rem; color: var(--ink-faint);
}
footer a { color: var(--accent); }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
@media (max-width: 34rem) {
  .phase { grid-template-columns: 1fr; gap: .5rem; }
  .phase-n { display: flex; align-items: baseline; gap: .6rem; padding-top: 0; }
  .phase-n span { margin-top: 0; font-size: 1.35rem; }
  .audit li { grid-template-columns: 1.3rem 1fr; }
  .fact { grid-template-columns: 1fr; gap: .1rem; }
  .fact .f { font-size: .72rem; }
}

/* ── Decision log ─────────────────────────────────────────────────── */
.dlog { list-style: none; margin: 0; padding: 0; max-width: var(--measure); }
.dlog li { padding: 1.15rem 0; border-top: 1px solid var(--rule-soft); }
.dlog li:first-child { border-top: 0; padding-top: 0; }
.dlog .dnum {
  font-family: var(--mono); font-size: .74rem; color: var(--accent);
  display: block; margin-bottom: .15rem;
}
.dlog h3 {
  margin: 0 0 .45rem; font-family: var(--sans);
  font-size: 1rem; font-weight: 620; letter-spacing: -.005em;
}
.dlog p { margin: 0 0 .5rem; font-size: .95rem; color: var(--ink-soft); }
.dlog p:last-child { margin-bottom: 0; }
.dlog .rej {
  font-size: .9rem; color: var(--ink-faint);
  padding-left: .85rem; border-left: 2px solid var(--rule);
}
.dlog .rej b {
  font-family: var(--sans); font-size: .66rem; letter-spacing: .11em;
  text-transform: uppercase; color: var(--ink-faint);
  display: block; margin-bottom: .15rem;
}

/* ── Stage state ──────────────────────────────────────────────────── */
.stage-state {
  display: inline-flex; align-items: baseline; gap: .35rem;
  font-family: var(--sans); font-size: .64rem; font-weight: 650;
  letter-spacing: .09em; text-transform: uppercase;
  border: 1px solid var(--rule); border-radius: 3px;
  padding: .14rem .5rem; background: var(--surface-alt);
  color: var(--ink-soft); white-space: nowrap;
  vertical-align: .22em; margin-left: .65rem;
}
.stage-state .g { font-size: 1.05em; color: var(--ink); }

.phase.done .phase-n span { color: var(--ink-faint); }
.phase.done > div > p { color: var(--ink-faint); }
.phase.done .ships li { color: var(--ink-faint); }

.stage-status {
  border-left: 2px solid var(--accent-soft);
  padding-left: .95rem;
  font-size: .95rem;
  color: var(--ink-soft);
  margin: 0 0 2.2rem;
  max-width: var(--measure);
}
.stage-status b {
  font-family: var(--sans); font-weight: 650;
  color: var(--ink); display: block; margin-bottom: .15rem;
}