/* Mirror of the React tier's dark theme: gray-900 / gray-800 / gray-700 + blue & emerald accents. */

:root {
  --bg: #111827;            /* gray-900 */
  --card: #1f2937;          /* gray-800 */
  --elevated: #374151;      /* gray-700 */
  --border: #4b5563;        /* gray-600 */
  --text: #e5e7eb;          /* gray-200 */
  --muted: #9ca3af;         /* gray-400 */
  --muted-2: #6b7280;       /* gray-500 */
  --accent: #2563eb;        /* blue-600 */
  --accent-hover: #3b82f6;  /* blue-500 */
  --ok: #059669;            /* emerald-600 */
  --ok-light: #34d399;      /* emerald-400 */
  --warn: #d97706;          /* amber-600 */
  --error: #dc2626;         /* red-600 */
  --error-light: #fca5a5;   /* red-300 */
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}

button { font-family: inherit; cursor: pointer; }
button[disabled] { opacity: 0.5; cursor: not-allowed; }

.topbar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--card);
  border-bottom: 1px solid var(--elevated);
  padding: 12px 20px;
}
.brand {
  font-weight: 700;
  font-size: 20px;
  color: #ffffff;
  text-decoration: none;
  display: block;
}
.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-links {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
}
.topbar-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
}
.topbar-link:hover { color: var(--text); }
.topbar-link[aria-current="page"] { color: var(--text); font-weight: 600; }
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-sub { color: var(--muted); font-size: 12px; padding: 2px 8px; background: var(--elevated); border-radius: 9999px; }
.ghost-btn {
  background: var(--elevated);
  color: var(--text);
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
}
.ghost-btn:hover { background: #4b5563; }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}
.container header h1 { margin: 0 0 4px; font-size: 24px; font-weight: 700; }
.container header .muted { color: var(--muted); font-size: 13px; margin: 0; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.tiny { font-size: 11px; color: var(--muted-2); }
.row-label { color: var(--text); font-weight: 500; font-size: 13px; margin: 0 0 8px; }

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
}

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.crop-toggle {
  display: flex; align-items: flex-start; gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}
.crop-toggle input { margin-top: 2px; }
.text-pattern-row {
  display: flex; align-items: center; gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text);
}
.text-pattern-row input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--elevated);
  color: var(--text);
  border: 1px solid var(--elevated);
  padding: 4px 8px;
  border-radius: 4px;
  width: 160px;
}
.text-pattern-row input[aria-invalid="true"] { border-color: #f87171; }
.benchmark-row {
  display: flex; align-items: center; gap: 12px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text);
}
.benchmark-row input[type="file"] { color: var(--text); }
.benchmark-row input[type="number"] {
  background: var(--elevated);
  color: var(--text);
  border: 1px solid var(--elevated);
  padding: 4px 8px;
  border-radius: 4px;
  width: 80px;
}
.benchmark-detectors {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 12px;
  padding: 0;
  border: none;
  font-size: 13px;
  color: var(--text);
}
.benchmark-detectors legend { padding: 0 4px 0 0; }
.benchmark-detectors label { display: inline-flex; align-items: center; gap: 4px; }
.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--text);
}
.benchmark-table th,
.benchmark-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--elevated);
  text-align: left;
}
.benchmark-table th { background: var(--elevated); font-weight: 500; }
.benchmark-table .ta-right { text-align: right; }
.benchmark-table .tabular { font-variant-numeric: tabular-nums; }
.tag-capped {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(217, 119, 6, 0.25);
  color: #fcd34d;
  font-size: 11px;
}
.overflow-x-auto { overflow-x: auto; }
.fps-hud {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 3;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.chip {
  display: inline-flex; align-items: center;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--elevated);
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
}
.chip[data-selected="true"] {
  background: rgba(37, 99, 235, 0.25);
  border-color: #60a5fa;
  color: #dbeafe;
}

.preview-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  width: 100%;
  background: #000;
  border-radius: 8px;
  border: 1px solid var(--elevated);
  overflow: hidden;
}
.preview-frame video {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.camera-status {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(17, 24, 39, 0.7);
  color: var(--muted);
  font-size: 13px;
  padding: 16px;
  text-align: center;
}
.camera-status[hidden] { display: none; }

.torch-toggle {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.6);
  color: #f3f4f6;
  border: 1px solid rgba(148, 163, 184, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  padding: 0;
  z-index: 2;
}
.torch-toggle svg { width: 20px; height: 20px; }
.torch-toggle:hover { background: rgba(31, 41, 55, 0.8); }
.torch-toggle.on {
  background: #fbbf24;
  color: #111827;
  border-color: #fde68a;
}

.primary-btn {
  background: var(--accent);
  color: #fff; border: none;
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 16px; font-weight: 600;
  width: 100%;
  margin-top: 12px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.primary-btn:hover:not([disabled]) { background: var(--accent-hover); }
.shutter .dot {
  width: 12px; height: 12px; background: #fff; border-radius: 9999px; display: inline-block;
}

.toast {
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 13px;
}
.toast.error { background: rgba(220, 38, 38, 0.15); color: var(--error-light); border: 1px solid rgba(220, 38, 38, 0.5); }
.toast.info { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.5); }

.result-header {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.result-grid {
  display: grid; gap: 10px;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .result-grid { grid-template-columns: 1fr 1fr; } }
.result-card {
  background: var(--bg);
  border: 1px solid var(--elevated);
  padding: 12px;
  border-radius: 8px;
}
.result-card .key { font-weight: 500; font-size: 13px; color: var(--text); margin: 0; }
.result-card .parse { font-size: 11px; color: var(--muted-2); margin: 2px 0 8px; }
.result-card .stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; text-align: center; }
.result-card .stat {
  background: rgba(17, 24, 39, 0.6);
  border-radius: 4px;
  padding: 6px;
}
.result-card .stat .big { font-size: 22px; font-weight: 600; color: #fff; margin: 0; }
.result-card .stat .small-num { font-size: 16px; font-weight: 500; color: #fff; margin: 0; }
.result-card .stat .label { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted-2); margin-top: 2px; }
.result-card .notes { font-size: 11px; font-style: italic; color: var(--muted); margin: 8px 0 0; }
.result-card .error-msg { font-size: 11px; color: var(--error-light); margin: 8px 0 0; }
.result-card .cost { text-align: right; font-size: 10px; color: var(--muted-2); margin: 4px 0 0; }
.result-card .status-pill {
  float: right; font-size: 11px; padding: 2px 8px; border-radius: 9999px;
}
.status-pill.ok { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.status-pill.timeout { background: rgba(217, 119, 6, 0.2); color: #fcd34d; }
.status-pill.error { background: rgba(220, 38, 38, 0.2); color: var(--error-light); }

.truth-block { margin-top: 14px; }
.truth-row { display: flex; gap: 8px; }
.truth-btn {
  width: 40px; height: 40px; border-radius: 6px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--elevated);
  font-weight: 600;
}
.truth-btn[aria-selected="true"] {
  background: var(--ok); color: #fff;
  outline: 2px solid var(--ok-light);
}

.history { margin: 16px 0 0; }
.history-row { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; }
.history-row img {
  width: 80px; height: 64px;
  object-fit: cover;
  border: 1px solid var(--elevated);
  border-radius: 6px;
  flex-shrink: 0;
}

.error { color: var(--error-light); font-size: 13px; }

#login-section .card { display: flex; flex-direction: column; gap: 14px; max-width: 420px; margin: 32px auto 0; }
#login-section label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
#login-section input {
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
}
#login-section input:focus { outline: 2px solid var(--accent-hover); border-color: var(--accent-hover); }

/* ----- continuous-scan additions ----- */

.button-row { display: flex; gap: 8px; margin-top: 12px; }
.button-row > * {
  /* `flex: 1 1 0` + min-width: 0 lets siblings shrink below their content
     width; without it, .primary-btn's `width: 100%` plus its content
     pushes each child to the parent's full width and the row overflows
     the viewport (iOS Safari especially honors the explicit width). */
  flex: 1 1 0;
  min-width: 0;
  width: auto;
  margin-top: 0;
  /* In-row buttons are tighter than the full-bleed .primary-btn defaults
     so two of them comfortably fit on a 360-wide phone. */
  padding: 10px 12px;
  font-size: 14px;
}
.button-row > *[hidden] { display: none; }

.scan-overlay {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.result-list { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 8px; }
.result-item {
  display: flex; gap: 10px;
  background: var(--card);
  border: 1px solid var(--elevated);
  border-radius: 8px;
  padding: 8px;
}
.result-item img,
.result-item .result-thumb-empty {
  width: 80px; height: 60px;
  object-fit: cover;
  background: var(--elevated);
  border-radius: 4px;
  flex-shrink: 0;
}
.result-item-body { flex: 1; min-width: 0; }
.result-qr { font-family: ui-monospace, monospace; font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-headline { font-size: 14px; font-weight: 600; color: var(--text); margin-top: 4px; }
.result-error { font-size: 11px; color: var(--error-light); margin-top: 4px; }

.result-actions { display: flex; flex-direction: column; gap: 4px; }
.result-actions button { padding: 4px 8px; font-size: 10px; border-radius: 4px; border: none; }
.result-truth-row { display: flex; gap: 4px; margin-top: 6px; }
.result-truth-row button {
  width: 24px; height: 24px; border-radius: 4px;
  background: var(--elevated); color: var(--text); border: none;
  font-size: 11px;
}
.result-truth-row button[data-selected="true"] { background: var(--ok); color: #fff; }

.result-thumb-button {
  padding: 0;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 4px;
  cursor: zoom-in;
  flex-shrink: 0;
}
.result-thumb-button:hover,
.result-thumb-button:focus-visible {
  border-color: var(--ok);
  outline: none;
}
.result-thumb-button img { display: block; }

.snapshot-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.snapshot-lightbox[hidden] { display: none; }
.snapshot-lightbox-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 100%;
  max-height: 100%;
}
.snapshot-lightbox-body img {
  max-width: 95vw;
  max-height: 85vh;
  border-radius: 4px;
  object-fit: contain;
  background: var(--card);
}
.snapshot-lightbox-caption {
  background: rgba(15, 23, 42, 0.8);
  color: var(--text);
  border: 1px solid var(--elevated);
  border-radius: 4px;
  padding: 4px 8px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}
.snapshot-lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(30, 41, 59, 0.85);
  color: var(--text);
  border: 1px solid var(--elevated);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.snapshot-lightbox-close:hover { background: rgba(51, 65, 85, 0.95); }