:root {
  color-scheme: light;
  --ink: #17201d;
  --muted: #6a726d;
  --paper: #f4f1e9;
  --card: #fffdf8;
  --line: #d9d5ca;
  --accent: #b5653f;
  --deep: #223630;
  --success: #416d58;
  font-family: Inter, "Noto Sans SC", "Hiragino Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

button, input, select, textarea { font: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(244, 241, 233, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.actor-control { display: flex; align-items: center; gap: 7px; margin: 0; color: var(--muted); font-size: 11px; }
.actor-control select { border: 1px solid var(--line); background: var(--card); padding: 8px; }

.brand-lockup { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--deep);
  color: white;
  font-family: Georgia, serif;
  letter-spacing: .08em;
}

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font: 500 25px/1.1 Georgia, "Noto Serif SC", serif; }
h2 { margin-bottom: 0; font: 500 clamp(25px, 3vw, 38px)/1.15 Georgia, "Noto Serif SC", serif; }
h3 { margin-bottom: 8px; font: 500 27px/1.15 Georgia, "Noto Serif SC", serif; }
.eyebrow, .section-kicker { margin-bottom: 5px; color: var(--accent); font-size: 11px; font-weight: 750; letter-spacing: .15em; }

.stage-pill {
  padding: 8px 12px;
  border: 1px solid #9caf9f;
  border-radius: 999px;
  color: var(--success);
  background: #eef3ec;
  font-size: 12px;
  font-weight: 700;
}

main { padding: 48px clamp(20px, 5vw, 72px) 100px; }
[hidden] { display: none !important; }
.intake-page { max-width: 1120px; margin: 0 auto; }
.intake-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 40px; align-items: end; margin-bottom: 38px; }
.intake-heading > p { color: var(--muted); line-height: 1.6; }
.intake-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 32px; border: 1px solid var(--line); background: var(--card); }
.v11-form { gap: 28px; }
.form-section { grid-column: 1 / -1; min-width: 0; margin: 0; padding: 24px; border: 1px solid var(--line); background: #faf8f2; }
.form-section legend { padding: 0 10px; color: var(--accent); font: 700 12px/1.2 Inter, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.section-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 20px; }
.nested-section { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 18px; border-left: 3px solid var(--accent); background: #f3eee5; }
.choice-grid { display: grid; grid-template-columns: repeat(3, minmax(180px, 1fr)); gap: 11px; }
.choice-grid label {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  min-height: 52px;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid #cec8bb;
  background: #fffefa;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.35;
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.choice-grid label:hover { border-color: #8e9b91; background: #f7faf6; }
.choice-grid label:has(input:checked) { border-color: var(--success); background: #edf3ed; box-shadow: inset 0 0 0 1px var(--success); color: var(--deep); }
.field .choice-grid input[type="checkbox"] {
  width: 18px;
  min-width: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
  accent-color: var(--success);
}
.field-note { margin: 8px 0 0; color: var(--muted); font-size: 11px; }
.attachment-intake-note { padding: 15px; border-left: 3px solid var(--success); background: #edf3ed; }
.attachment-intake-note p { margin: 6px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.field > label { margin: 0 0 9px; font-size: 13px; font-weight: 750; line-height: 1.45; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #cec8bb; background: white; padding: 12px 13px; font-size: 15px; line-height: 1.45; }
.field select { min-height: 48px; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(65, 109, 88, .22); outline-offset: 1px; border-color: var(--success); }
.field textarea { resize: vertical; }
.field.wide, .intake-form .wide { grid-column: 1 / -1; }
.intake-actions { display: flex; justify-content: flex-end; gap: 10px; }
.generation-panel { margin: 44px 0; padding: 28px; border: 1px solid #b8c5bb; background: #edf3ed; }
.generation-panel h2 { font-size: 28px; }
.generation-panel p { color: var(--muted); line-height: 1.65; }
.generation-warning { padding: 12px 14px; border-left: 3px solid var(--accent); background: #f5eee7; color: #79503c !important; }
.task-header { display: grid; grid-template-columns: 1fr minmax(240px, .55fr); gap: 40px; align-items: end; }
.task-header h2 { max-width: 800px; font-size: clamp(38px, 6vw, 72px); }
.task-meta { color: var(--muted); line-height: 1.7; }

.stage-rail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 44px 0 64px;
  border-top: 1px solid var(--line);
}
.stage-step { padding-top: 13px; color: #9c9e99; font-size: 11px; letter-spacing: .04em; }
.stage-step.active { color: var(--ink); border-top: 3px solid var(--accent); margin-top: -2px; }
.stage-step.done { color: var(--success); }

.brief-panel, .evidence-panel {
  display: grid;
  grid-template-columns: minmax(190px, .32fr) 1fr;
  gap: 40px;
  padding: 30px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, .72);
}
.brief-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.brief-item span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; }
.brief-item strong { font-size: 14px; line-height: 1.55; }
.attachment-panel { margin-top: 28px; padding: 30px; border: 1px solid var(--line); background: rgba(255, 253, 248, .72); }
.attachment-heading { display: flex; justify-content: space-between; gap: 28px; align-items: end; }
.attachment-heading h2 { font-size: 28px; }
.attachment-heading > p { margin: 0; color: var(--muted); font-size: 11px; }
.attachment-list { display: grid; gap: 10px; margin-top: 24px; }
.attachment-item { display: grid; grid-template-columns: minmax(220px, .8fr) 1fr auto; gap: 22px; align-items: center; padding: 14px 0; border-top: 1px solid var(--line); }
.attachment-item div:first-child { display: grid; gap: 4px; }
.attachment-item div:first-child span, .attachment-item small { color: var(--muted); font-size: 10px; }
.attachment-item p { margin: 0; font-size: 12px; line-height: 1.5; }
.attachment-meta { display: grid; gap: 5px; justify-items: end; font-size: 10px; }
.attachment-meta code { color: var(--muted); }
.attachment-meta a { color: var(--success); font-weight: 750; }
.attachment-form { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; padding-top: 4px; border-top: 1px solid var(--line); }
.attachment-form .field label { margin-top: 18px; }
.attachment-form .field input, .attachment-form .field select { width: 100%; border: 1px solid var(--line); background: white; padding: 10px; }
.attachment-actions { display: flex; justify-content: flex-end; }
.attachment-locked { margin: 20px 0 0; padding: 12px; background: #f0eee8; color: var(--muted); font-size: 11px; }

.delivery-heading { display: flex; justify-content: space-between; gap: 32px; align-items: end; margin: 72px 0 25px; }
.delivery-note { max-width: 420px; margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

.creative-card { overflow: hidden; background: var(--card); border: 1px solid var(--line); }
.creative-card.selected { outline: 3px solid var(--success); outline-offset: -3px; }
.visual-wrap { position: relative; aspect-ratio: 2/3; overflow: hidden; background: #ddd9ce; }
.visual-wrap img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .45s ease; }
.creative-card:hover .visual-wrap img { transform: scale(1.018); }
.card-code { position: absolute; top: 14px; left: 14px; padding: 7px 9px; background: rgba(20, 26, 24, .86); color: white; font-size: 10px; letter-spacing: .12em; }
.asset-proof { position: absolute; right: 14px; bottom: 14px; padding: 6px 8px; background: rgba(255, 253, 248, .88); font-size: 10px; }
.card-body { padding: 24px; }
.version-relation { display: grid; gap: 4px; margin: -4px 0 20px; padding: 12px; border-left: 3px solid var(--accent); background: #f5eee7; }
.version-relation.previous { border-left-color: var(--muted); background: #f0eee8; }
.version-relation strong { color: var(--accent); font-size: 10px; letter-spacing: .12em; }
.version-relation.previous strong { color: var(--muted); }
.version-relation span { font-size: 12px; font-weight: 750; }
.version-relation small { color: var(--muted); font-size: 10px; }
.concept { min-height: 70px; color: var(--muted); line-height: 1.55; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 17px 0; }
.tag { padding: 5px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 10px; }
.card-details { margin: 20px 0; border-top: 1px solid var(--line); }
.detail-row { padding: 12px 0; border-bottom: 1px solid var(--line); }
.detail-row span { display: block; margin-bottom: 4px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.detail-row p { margin-bottom: 0; font-size: 13px; line-height: 1.55; }
.version-diff { margin: 18px 0; padding: 14px; border: 1px solid var(--line); background: #faf8f2; }
.version-diff > span { color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.version-diff ul { margin: 10px 0 0; padding-left: 18px; }
.version-diff li { margin: 6px 0; font-size: 12px; line-height: 1.5; }

.rating-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 20px; }
.rating-summary { display: flex; align-items: baseline; gap: 7px; }
.rating-summary strong { color: var(--accent); font: 500 25px/1 Georgia, serif; }
.rating-summary span { color: var(--muted); font-size: 10px; }
.stars { display: flex; gap: 2px; }
.star { padding: 2px; border: 0; background: transparent; color: #c5c0b5; font-size: 22px; cursor: pointer; }
.star.on { color: var(--accent); }
.card-actions { display: flex; gap: 8px; margin-top: 16px; }
.button { border: 1px solid var(--deep); padding: 10px 13px; cursor: pointer; font-weight: 700; font-size: 12px; }
.button.primary { background: var(--deep); color: white; }
.button.secondary { background: transparent; color: var(--deep); }
.button:disabled { opacity: .45; cursor: not-allowed; }

.evidence-panel { margin-top: 64px; }
.handoff-panel { margin-top: 72px; padding: 34px; border: 1px solid var(--line); background: var(--card); }
.handoff-intro { max-width: 760px; }
.handoff-intro p:not(.section-kicker) { margin: 16px 0 22px; color: var(--muted); line-height: 1.65; }
.handoff-heading { display: flex; justify-content: space-between; gap: 32px; align-items: end; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.handoff-source { display: grid; gap: 4px; text-align: right; }
.handoff-source span, .handoff-source small { color: var(--muted); font-size: 10px; }
.handoff-layout { display: grid; grid-template-columns: minmax(280px, .62fr) 1fr; gap: 36px; padding-top: 30px; }
.handoff-visual { position: sticky; top: 100px; align-self: start; }
.handoff-visual img { display: block; width: 100%; aspect-ratio: 2/3; object-fit: cover; background: #ddd9ce; }
.handoff-visual span { display: block; padding: 9px 0; color: var(--muted); font-size: 10px; }
.handoff-content { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.handoff-block { padding: 15px 0; border-bottom: 1px solid var(--line); }
.handoff-block span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.handoff-block p, .handoff-block li { margin-bottom: 0; font-size: 13px; line-height: 1.6; }
.handoff-block ul, .handoff-block ol { margin: 0; padding-left: 18px; }
.handoff-block li + li { margin-top: 6px; }
.handoff-boundary { grid-column: 1 / -1; margin-top: 24px; padding: 16px; border-left: 3px solid var(--accent); background: #f5eee7; }
.handoff-boundary strong { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.handoff-boundary p { margin: 7px 0 0; font-size: 13px; line-height: 1.6; }
.handoff-content > .card-actions { grid-column: 1 / -1; justify-content: flex-end; }
.learning-panel { margin-top: 36px; padding: 34px; border: 1px solid #aebcaf; background: #edf3ed; }
.learning-heading { display: flex; justify-content: space-between; gap: 32px; align-items: end; padding-bottom: 24px; border-bottom: 1px solid #c8d2c9; }
.evidence-quality { display: grid; gap: 4px; text-align: right; }
.evidence-quality span, .evidence-quality small { color: var(--muted); font-size: 10px; }
.learning-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 26px; margin-top: 20px; }
.learning-block { padding: 15px 0; border-bottom: 1px solid #c8d2c9; }
.learning-block.wide { grid-column: 1 / -1; }
.learning-block > span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.learning-block p, .learning-block li { margin-bottom: 0; font-size: 13px; line-height: 1.6; }
.learning-block ul { margin: 0; padding-left: 18px; }
.candidate-card { position: relative; margin-top: 28px; padding: 24px; border: 1px solid var(--line); background: var(--card); }
.candidate-card h3 { font-size: 22px; }
.candidate-status { position: absolute; top: 22px; right: 22px; padding: 6px 9px; border: 1px solid var(--accent); color: var(--accent); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.candidate-body { display: grid; grid-template-columns: 140px 1fr; gap: 10px 20px; margin-top: 18px; }
.candidate-body strong { color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.candidate-body p { margin: 0; font-size: 13px; line-height: 1.6; }
.candidate-warning { margin: 20px 0 0; padding: 12px; background: #f5eee7; color: #79503c; font-size: 12px; }
.action-list { display: grid; gap: 10px; }
.action-item { display: grid; grid-template-columns: 100px 1fr auto; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.action-type { color: var(--accent); font-weight: 800; text-transform: uppercase; }
.empty-state { color: var(--muted); font-size: 13px; }

dialog { width: min(560px, calc(100vw - 32px)); border: 1px solid var(--line); background: var(--card); padding: 28px; }
dialog::backdrop { background: rgba(18, 23, 21, .65); backdrop-filter: blur(4px); }
.dialog-heading { display: flex; justify-content: space-between; gap: 24px; }
.icon-button { border: 0; background: transparent; font-size: 28px; cursor: pointer; }
label { display: block; margin: 28px 0 8px; font-size: 12px; font-weight: 750; }
textarea { width: 100%; resize: vertical; border: 1px solid var(--line); background: white; padding: 12px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.form-error { min-height: 18px; margin: 6px 0 0; color: #a33c32; font-size: 12px; }
.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  max-width: min(420px, calc(100vw - 48px));
  padding: 12px 16px;
  background: var(--deep);
  color: white;
  box-shadow: 0 12px 32px rgba(20, 28, 25, .22);
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: #8f3c32; }

@media (max-width: 980px) {
  .choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards { grid-template-columns: 1fr; }
  .creative-card { display: grid; grid-template-columns: minmax(260px, .8fr) 1fr; }
  .task-header, .brief-panel, .evidence-panel { grid-template-columns: 1fr; }
  .brief-grid { grid-template-columns: repeat(2, 1fr); }
  .handoff-layout { grid-template-columns: 1fr; }
  .handoff-visual { position: static; max-width: 520px; }
  .attachment-item { grid-template-columns: 1fr; }
  .attachment-meta { justify-items: start; }
  .attachment-form { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .topbar { position: static; }
  .stage-pill { display: none; }
  .actor-control { display: none; }
  .intake-heading, .intake-form { grid-template-columns: 1fr; }
  .field.wide, .intake-form .wide { grid-column: 1; }
  .section-grid, .nested-section { grid-template-columns: 1fr; }
  .choice-grid { grid-template-columns: 1fr; }
  .stage-rail { overflow-x: auto; grid-template-columns: repeat(6, 150px); }
  .brief-grid { grid-template-columns: 1fr; }
  .delivery-heading { display: block; }
  .delivery-note { margin-top: 14px; }
  .creative-card { display: block; }
  .action-item { grid-template-columns: 85px 1fr; }
  .action-item time { grid-column: 2; }
  .handoff-panel { padding: 22px; }
  .handoff-heading { display: block; }
  .handoff-source { margin-top: 16px; text-align: left; }
  .handoff-content { grid-template-columns: 1fr; }
  .handoff-boundary, .handoff-content > .card-actions { grid-column: 1; }
  .learning-panel { padding: 22px; }
  .learning-heading { display: block; }
  .evidence-quality { margin-top: 16px; text-align: left; }
  .learning-grid { grid-template-columns: 1fr; }
  .learning-block.wide { grid-column: 1; }
  .candidate-body { grid-template-columns: 1fr; }
  .attachment-panel { padding: 22px; }
  .attachment-heading { display: block; }
  .attachment-heading > p { margin-top: 12px; }
  .attachment-form { grid-template-columns: 1fr; }
  .attachment-form .wide { grid-column: 1; }
}