/* Adapted from cork-grader-2/css/styles.css: dropped Library-tab-only rules
   (grade-counts, library-grid, progress bar) since v3 has no training step. */

:root {
  --bg: #141416;
  --panel: #1e1e21;
  --border: #33333a;
  --text: #f0f0f2;
  --muted: #9a9aa2;
  --accent: #5ea6b2;
  --accent-dark: #306068;
  --danger: #d1615a;
  --ok: #6bb583;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  height: 100%;
  overscroll-behavior: none;
}

.app-header {
  padding: env(safe-area-inset-top, 0) 16px 8px;
  padding-top: calc(env(safe-area-inset-top, 0) + 12px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.app-header h1 { font-size: 20px; margin: 0; }

.storage-banner {
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 8px;
  background: #3a2f1a;
  color: #e8c98a;
}
.storage-banner.ok { background: #1c332330; color: var(--ok); }

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 8px;
}
.tab-btn {
  flex: 1;
  padding: 12px 8px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 15px;
  border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

main { padding: 16px; padding-bottom: 60px; max-width: 480px; margin: 0 auto; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.row { display: flex; align-items: center; gap: 10px; margin: 12px 0; flex-wrap: wrap; }
.row.spread { justify-content: space-between; }

button {
  font-size: 15px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}
.btn-primary { background: var(--accent); color: #1a1408; border: none; font-weight: 600; }
.btn-secondary { background: var(--panel); color: var(--text); }
.btn-link { background: none; border: none; color: var(--accent); text-decoration: underline; padding: 4px; }
.btn-large { width: 100%; padding: 18px; font-size: 18px; }
.btn-danger { background: var(--danger); color: white; border: none; }
button:disabled { opacity: 0.5; }

input, select, textarea {
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  width: 100%;
}
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0; }

.row > label { flex: 1; min-width: 140px; margin: 0; }

.hint { color: var(--muted); font-size: 14px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error-text { color: var(--danger); font-size: 14px; font-weight: 600; }

.panel-message { text-align: center; padding: 40px 16px; color: var(--muted); }

.preview-canvas {
  display: block;
  margin: 12px auto;
  border-radius: 50%;
  background: #000;
  touch-action: none;
  border: 1px solid var(--border);
}
.preview-canvas.small { width: 150px; height: 150px; }

.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #000;
  border-radius: 16px;
  overflow: hidden;
}
.video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.result-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.55);
  gap: 4px;
}
.result-overlay .grade-letter {
  font-size: 96px;
  font-weight: 800;
  color: var(--text);
  text-shadow: 0 2px 12px rgba(0,0,0,0.8);
}
.result-overlay .grade-metrics {
  font-size: 15px;
  color: var(--text);
  text-shadow: 0 1px 6px rgba(0,0,0,0.8);
}
.result-overlay.grade-Extra .grade-letter { color: #cfd0d3; }
.result-overlay.grade-AAA .grade-letter { color: #c49b6b; }
.result-overlay.grade-A .grade-letter { color: #7fb3d5; }
.result-overlay.grade-B .grade-letter { color: #d1a35a; }
.result-overlay.grade-C .grade-letter { color: #d1615a; }

.section-title { font-size: 16px; margin: 20px 0 8px; color: var(--muted); }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: flex-end;
  z-index: 50;
}
.modal-inner {
  background: var(--bg);
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 16px 16px 0 0;
  padding: 20px 16px calc(env(safe-area-inset-bottom, 0) + 20px);
}

.log-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.log-table th, .log-table td {
  text-align: left;
  padding: 6px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

#text-export-area { width: 100%; font-family: monospace; font-size: 12px; }