:root {
  --ink: #1c1917;
  --muted: #78716c;
  --paper: #f5f0e8;
  --card: #fffcf7;
  --line: #e7e0d6;
  --accent: #9a3412;
  --accent-dark: #7c2d12;
  --ok: #166534;
  --warn: #b45309;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #fde68a33, transparent 60%),
    radial-gradient(900px 400px at 110% 0%, #fed7aa55, transparent 50%),
    var(--paper);
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

header h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 8px 0 12px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.28em;
  font-size: 12px;
  text-transform: uppercase;
}

.lead {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 36px;
}

.upload-card {
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 16px;
  padding: 22px 20px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 150px;
  transition: border-color 0.15s, transform 0.15s;
}

.upload-card:hover,
.upload-card.ready {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.upload-card input { display: none; }

.tag {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.upload-card strong { font-size: 18px; }

.upload-card em {
  font-style: normal;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

button {
  font-family: inherit;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 15px;
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.status {
  min-height: 24px;
  color: var(--accent-dark);
  margin: 12px 0 0;
}

.preview {
  margin-top: 36px;
  background: var(--card);
  border-radius: 16px;
  padding: 22px;
  border: 1px solid var(--line);
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.preview h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.preview-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { color: var(--muted); font-weight: 500; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
}

.badge.yes { background: #dcfce7; color: var(--ok); }
.badge.no { background: #ffedd5; color: var(--warn); }

.hint { color: var(--muted); font-size: 13px; margin-bottom: 0; }

@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; }
  header h1 { font-size: 26px; }
}