:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e3e5e9;
  --accent: #1f6f4f;
  --accent-contrast: #ffffff;
  --warning-bg: #fff7e6;
  --warning-border: #f0c36d;
  --warning-text: #7a5300;
  --error-bg: #fdeeee;
  --error-border: #e88a8a;
  --error-text: #8a1f1f;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card-bg: #1d2026;
    --text: #e7e9ee;
    --muted: #9aa0ab;
    --border: #2b2f37;
    --accent: #3fae82;
    --accent-contrast: #0b1f16;
    --warning-bg: #2c2510;
    --warning-border: #6b5720;
    --warning-text: #e8c675;
    --error-bg: #2a1414;
    --error-border: #6b2e2e;
    --error-text: #e88a8a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
}

.page-header h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.subtitle { color: var(--muted); margin-top: 0; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.card.error {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error-text);
}

.card.warning {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-text);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.capture-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 2.5rem 1rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  text-align: center;
}

.capture-button .icon { font-size: 2.5rem; }

.capture-button:hover,
.capture-button:focus-within {
  border-color: var(--accent);
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  margin: 0.75rem 0 0;
}

#status-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2.5rem 1rem;
}

.spinner {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.secondary-button {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}

.secondary-button:hover { border-color: var(--accent); }

.result-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.result-header-main h2 { margin: 0 0 0.25rem; }

.muted { color: var(--muted); margin: 0.15rem 0; font-size: 0.9rem; }

.totals {
  display: grid;
  grid-template-columns: auto auto;
  gap: 0.15rem 1rem;
  margin: 0;
  align-content: start;
}

.totals dt { color: var(--muted); font-size: 0.85rem; }
.totals dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.totals .total dt, .totals .total dd { font-weight: 700; font-size: 1.05rem; }

#warningsCard ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }

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

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }

th, td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td:nth-child(1), td:nth-child(2) { white-space: normal; min-width: 8rem; }

th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 560px) {
  .two-col { grid-template-columns: 1fr; }
}

.receipt-photo {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.stats-table td { white-space: normal; }
.stats-table td:first-child { color: var(--muted); }

pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  overflow-x: auto;
  font-size: 0.8rem;
  max-height: 400px;
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.debug { margin-top: 0.75rem; }
.debug pre { color: var(--text); }