:root {
  --bg: #0a0d12;
  --surface: #11151c;
  --surface-raised: #161b24;
  --border: #242a35;
  --text-primary: #e6e8eb;
  --text-secondary: #8b9099;
  --text-tertiary: #5a6070;
  --accent: #f2a623;
  --critical: #e2544a;
  --moderate: #f2a623;
  --minor: #5b8fd6;
  --pass: #4caf7d;
  --fail: #e2544a;
  --review: #8b9099;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--mono);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 32px 80px;
}

.hidden { display: none !important; }

/* Header */
.app-header {
  margin-bottom: 48px;
}
.logo {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.cursor {
  color: var(--accent);
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.tagline {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 6px;
}

/* Upload zone */
.dropzone {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 64px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover, .dropzone.drag-over {
  border-color: var(--accent);
  background: var(--surface);
}
.dz-label {
  font-size: 15px;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.dz-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin: 0;
}

.preview-area {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  background: var(--surface);
}
.preview-area img {
  max-width: 100%;
  max-height: 320px;
  display: block;
  border-radius: 4px;
  margin: 0 auto 16px;
}
.preview-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

button {
  font-family: var(--mono);
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #1a1206;
  border: none;
  padding: 10px 20px;
  font-weight: 600;
}
.btn-primary:hover { opacity: 0.9; }
.btn-text {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 10px 4px;
  text-decoration: underline;
}
.btn-text:hover { color: var(--text-primary); }

/* Loading trace log */
.loading-section {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 24px;
}
.trace-log {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  white-space: pre-wrap;
}
.trace-log .done { color: var(--pass); }
.trace-log .active { color: var(--accent); }

/* Error */
.error-section {
  border: 1px solid var(--critical);
  border-radius: 8px;
  background: var(--surface);
  padding: 20px;
}
.error-message {
  color: var(--critical);
  font-size: 13px;
  margin: 0 0 12px;
  white-space: pre-wrap;
}

/* Results - tabbed, full-width card grid */
.results-section { display: block; }

.tab-bar {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 12px 18px;
  cursor: pointer;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-panel.hidden { display: none; }

.panel-header {
  padding: 0 4px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.panel-sub {
  font-size: 11px;
  color: var(--text-tertiary);
}
.summary-row {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  font-size: 12px;
}
.summary-pill {
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.findings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}
@media (max-width: 700px) {
  .findings-grid { grid-template-columns: 1fr; }
}

.finding-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px;
  background: var(--surface-raised);
}
.finding-card img {
  width: 100%;
  border-radius: 4px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
}
.finding-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.finding-principle {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}
.finding-source-tag {
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
}
.badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 4px;
  white-space: nowrap;
}
.badge-critical, .badge-fail { background: rgba(226, 84, 74, 0.15); color: var(--critical); }
.badge-moderate { background: rgba(242, 166, 35, 0.15); color: var(--moderate); }
.badge-minor { background: rgba(91, 143, 214, 0.15); color: var(--minor); }
.badge-pass { background: rgba(76, 175, 125, 0.15); color: var(--pass); }
.badge-needs-review { background: rgba(139, 144, 153, 0.15); color: var(--review); }

.finding-text {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin: 0 0 8px;
}
.finding-suggestion {
  font-size: 12px;
  color: var(--text-tertiary);
  margin: 0;
  border-left: 2px solid var(--border);
  padding-left: 8px;
}
.contrast-swatches {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-tertiary);
}
.swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid var(--border);
  display: inline-block;
}

.empty-state {
  padding: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
}

.meta-section {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-tertiary);
}