:root {
  --primary: #f59b2a;
  --primary-dark: #e88c1a;
  --primary-light: #ffe4c1;
  --bg: #fffaf2;
  --card: #ffffff;
  --text: #2d2d2d;
  --muted: #8b8b8b;
  --border: #ecdfc8;
  --danger: #e74c3c;
  --success: #27ae60;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

header {
  text-align: center;
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 6px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 1px;
}

.sub {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.03);
}

.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > * { flex: 1 1 220px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

input[type=text], select, textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  font-size: 14px;
  font-family: inherit;
}

input[type=text]:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,155,42,0.15);
}

textarea { min-height: 70px; resize: vertical; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 18px;
  border-radius: 10px;
  border: 0;
  background: var(--primary);
  color: white;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { background: #ccc; cursor: not-allowed; }
.btn.block { width: 100%; padding: 14px; font-size: 16px; }
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.ghost:hover { background: var(--primary-light); border-color: var(--primary); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 6px 12px; font-size: 13px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  background: var(--primary-light);
  border: 1px solid transparent;
  color: var(--text);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}
.chip.active { background: var(--primary); color: white; font-weight: 700; }
.chip.muted { background: #f1f1f1; color: var(--muted); }

.segmented {
  display: flex;
  background: var(--primary-light);
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
}
.segmented button {
  flex: 1;
  padding: 10px;
  border: 0;
  background: transparent;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
}
.segmented button.active { background: var(--primary); color: white; }

.maze-stage {
  position: relative;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.maze-stage canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
}

.title-bar {
  padding: 14px 18px;
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px dashed var(--border);
  background: #fffbf2;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin-top: 14px;
}

.hint {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 10px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.toolbar .left, .toolbar .right {
  display: flex;
  gap: 8px;
  align-items: center;
}

.swatch {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 4px;
}

.status {
  font-size: 13px;
  color: var(--muted);
}

.check-link { color: var(--primary); text-decoration: none; font-size: 13px; cursor: pointer; }
.check-link:hover { text-decoration: underline; }

/* Author-specific */
.author-canvas-wrap {
  position: relative;
  background: #fafafa;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.author-canvas-wrap canvas { display: block; width: 100%; height: auto; cursor: crosshair; }
.author-help {
  background: #fff8ea;
  border: 1px solid #f5d9a1;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: #8a5a00;
  margin-bottom: 12px;
  line-height: 1.7;
}
.author-help kbd {
  background: #fff;
  border: 1px solid #e0c77a;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  font-family: inherit;
}

/* Print */
@media print {
  body { background: white; }
  .container { max-width: none; padding: 0; }
  .no-print { display: none !important; }
  .card { border: 0; box-shadow: none; padding: 0; margin: 0; page-break-inside: avoid; }
  .maze-stage { border: 0; }
  .title-bar { border-bottom: 2px solid #000; }
  @page { size: A4 landscape; margin: 12mm; }
}