:root {
  --paper: #f3ebe0;
  --paper-2: #ebe1d2;
  --ink: #1c2430;
  --ink-soft: #3d4654;
  --rule: #9c8154;
  --rule-dim: #c4b396;
  --seal: #7c2430;
  --seal-ink: #f7efe6;
  --ok: #2f5d45;
  --keep: #2f5d45;
  --redact: #8a5a12;
  --blank: #6b5336;
  --drop: #7c2430;
  --focus: #1c2430;
  --shadow: 0 18px 40px rgba(28, 36, 48, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: Lato, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

.spine {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 42px;
  background: #1c2430;
  color: #efe6d6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  z-index: 2;
}

.spine-title, .spine-vol {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 11px;
}

.spine-title { font-family: "EB Garamond", serif; font-size: 15px; letter-spacing: 0.22em; }

body { padding: 32px 40px 64px 86px; }

.masthead { position: relative; z-index: 1; max-width: 920px; margin-bottom: 36px; }
.reg {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 6px 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow {
  margin: 28px 0 0;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--seal);
}
h1 {
  font-family: "EB Garamond", serif;
  font-weight: 600;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.95;
  margin: 8px 0 16px;
  letter-spacing: -0.02em;
}
.lede { max-width: 62ch; color: var(--ink-soft); margin: 0 0 20px; }
.status-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.meta { font-size: 13px; color: var(--ink-soft); }

.stamp {
  display: inline-block;
  border: 2px solid currentColor;
  padding: 4px 10px 3px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transform: rotate(-2deg);
}
.stamp-ok { color: var(--ok); }
.stamp-mute { color: var(--blank); }

main { position: relative; z-index: 1; max-width: 920px; display: grid; gap: 22px; }

.panel {
  background: rgba(255, 252, 247, 0.72);
  border: 1px solid var(--rule-dim);
  box-shadow: var(--shadow);
  padding: 28px 28px 24px;
}
.panel-head h2, .note h2, .preview-wrap h3, .split h3 {
  font-family: "EB Garamond", serif;
  font-weight: 600;
  margin: 0 0 6px;
}
.panel-head p, .hint, .fine { margin: 0; color: var(--ink-soft); font-size: 14px; }
.hint { margin-top: 10px; }

.drop {
  display: grid;
  place-items: center;
  text-align: center;
  gap: 8px;
  min-height: 168px;
  margin: 20px 0 24px;
  border: 1px dashed var(--rule);
  background:
    linear-gradient(to right, transparent 11px, rgba(156,129,84,0.18) 12px, transparent 13px),
    linear-gradient(#f7f1e8, #f7f1e8);
  cursor: pointer;
  padding: 24px;
}
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop-mark {
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--seal);
}
.drop strong { font-family: "EB Garamond", serif; font-size: 22px; font-weight: 600; }
.drop em { font-style: normal; font-size: 13px; color: var(--ink-soft); }
.drop.is-over { background-color: #efe4d0; }
.drop.has-file { border-style: solid; }

.settings { border: 0; padding: 0; margin: 0; }
.settings legend {
  font-family: "EB Garamond", serif;
  font-size: 22px;
  padding: 0 0 12px;
}
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.chk { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-size: 14.5px; }
.chk input { margin-top: 4px; accent-color: var(--seal); width: 16px; height: 16px; }
.row { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 16px; margin-top: 18px; align-items: end; }
.field { display: grid; gap: 6px; font-size: 13px; color: var(--ink-soft); }
.field input, .field select {
  font: inherit;
  color: var(--ink);
  background: #fffdf8;
  border: 1px solid var(--rule-dim);
  padding: 10px 12px;
  min-height: 44px;
}
.llm-toggle { padding-bottom: 8px; }

.actions { display: flex; align-items: center; gap: 18px; margin-top: 22px; flex-wrap: wrap; }
.btn-primary {
  appearance: none;
  border: 0;
  background: var(--ink);
  color: var(--paper);
  font: 700 14px/1 Lato, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 22px;
  min-height: 48px;
  cursor: pointer;
}
.btn-primary:hover { background: #111821; }
.btn-primary:focus-visible, .field input:focus-visible, .field select:focus-visible, .chk input:focus-visible {
  outline: 3px solid var(--rule);
  outline-offset: 2px;
}
.btn-primary[disabled] { opacity: 0.45; cursor: not-allowed; }

.progress {
  height: 8px;
  background: #e2d6c4;
  margin: 16px 0 8px;
}
.progress-bar { height: 100%; width: 0; background: var(--seal); transition: width 200ms ease; }
.folio { font-family: "EB Garamond", serif; letter-spacing: 0.08em; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 18px 0; }
.stat {
  border: 1px solid var(--rule-dim);
  padding: 12px;
  background: #fffdf8;
}
.stat b { display: block; font-family: "EB Garamond", serif; font-size: 28px; line-height: 1; }
.stat span { font-size: 12px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.08em; }

.page-map { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 20px; }
.leaf {
  width: 36px;
  height: 44px;
  display: grid;
  place-items: center;
  font-size: 11px;
  border: 1px solid var(--rule-dim);
  background: #fffdf8;
  color: var(--ink);
}
.leaf.keep { box-shadow: inset 0 -3px 0 var(--keep); }
.leaf.redact { box-shadow: inset 0 -3px 0 var(--redact); }
.leaf.blank { box-shadow: inset 0 -3px 0 var(--blank); background: #e8dfd0; }
.leaf.drop { box-shadow: inset 0 -3px 0 var(--drop); background: #f0d9d6; }

.preview-wrap pre {
  max-height: 280px;
  overflow: auto;
  background: #1c2430;
  color: #efe6d6;
  padding: 16px;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
}
.warnings { color: var(--seal); font-size: 14px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.split ul { margin: 8px 0 0; padding-left: 18px; color: var(--ink-soft); }
.note { background: transparent; box-shadow: none; }

footer {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin-top: 36px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}

@media (max-width: 800px) {
  body { padding: 20px 16px 48px 16px; }
  .spine { display: none; }
  .grid, .row, .stats, .split { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .progress-bar { transition: none; }
}