#page-library * { box-sizing: border-box; margin: 0; padding: 0; }
#page-library [hidden] { display: none !important; }
#page-library {
  --primary: #1f6feb;
  --primary-dark: #1a5fd0;
  --danger: #d4380d;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --border: #e3e8ef;
  --text: #1f2733;
  --text-2: #68758a;
  --radius: 8px;
}
#page-library .topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
#page-library .brand { display: flex; align-items: baseline; gap: 12px; }
#page-library .logo { font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: 0.5px; }
#page-library .module-tag {
  font-size: 12px; color: var(--text-2);
  background: #eef3fb; padding: 3px 10px; border-radius: 999px;
}
#page-library .topbar-actions { display: flex; gap: 8px; }
#page-library .btn {
  padding: 7px 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  transition: all 0.15s;
}
#page-library .btn:hover { border-color: var(--primary); color: var(--primary); }
#page-library .btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
#page-library .btn-primary:hover { background: var(--primary-dark); color: #fff; }
#page-library .btn-danger { color: var(--danger); }
#page-library .btn-danger:hover { border-color: var(--danger); background: #fff1ec; color: var(--danger); }
#page-library .btn-small { padding: 5px 12px; font-size: 12px; }
#page-library .btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
#page-library .layout {
  flex: 1;
  display: flex;
  min-height: 0;
}
#page-library .sidebar {
  width: 320px;
  min-width: 320px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
#page-library .search-row { padding: 12px 12px 6px; }
#page-library .search-row input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  outline: none;
}
#page-library .search-row input:focus { border-color: var(--primary); }
#page-library .filter-row {
  display: flex; gap: 6px; padding: 6px 12px;
}
#page-library .filter-row select {
  flex: 1; padding: 6px 8px;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 12px; color: var(--text-2); background: #fff;
}
#page-library .stats {
  padding: 4px 14px 8px;
  font-size: 12px; color: var(--text-2);
  border-bottom: 1px solid var(--border);
}
#page-library .model-list {
  flex: 1; overflow-y: auto; list-style: none;
}
#page-library .model-item {
  padding: 10px 14px;
  border-bottom: 1px solid #f0f3f7;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
#page-library .model-item:hover { background: #f7faff; }
#page-library .model-item.active { background: #eaf2fe; border-left: 3px solid var(--primary); padding-left: 11px; }
#page-library .mi-main { min-width: 0; }
#page-library .mi-name {
  font-weight: 600; font-size: 13px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#page-library .mi-sub { font-size: 12px; color: var(--text-2); margin-top: 2px; }
#page-library .mi-badges { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; flex-shrink: 0; }
#page-library .badge {
  font-size: 11px; padding: 1px 7px; border-radius: 999px;
  background: #eef3fb; color: var(--primary);
}
#page-library .badge.spec { background: #f0f7ef; color: #2e7d32; }
#page-library .badge.nostl { background: #f5f5f5; color: #999; }
#page-library .badge.price { background: #fff7e8; color: #b26a00; }
#page-library .list-empty { padding: 30px 14px; text-align: center; color: var(--text-2); font-size: 13px; }
#page-library .detail {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
#page-library .viewer-wrap {
  flex: 1;
  min-height: 300px;
  position: relative;
  background: var(--bg);
}
#page-library .viewer-wrap canvas { display: block; }
#page-library .viewer-empty {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--text-2); pointer-events: none;
}
#page-library .viewer-empty .hint { font-size: 12px; margin-top: 6px; opacity: 0.7; }
#page-library .prop-form {
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: 14px 18px;
}
#page-library .form-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
#page-library .form-head h2 { font-size: 15px; }
#page-library .form-actions { display: flex; gap: 8px; }
#page-library .form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px 14px;
}
#page-library .form-grid label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: var(--text-2);
}
#page-library .form-grid .span-2 { grid-column: span 2; }
#page-library .form-grid input, #page-library .form-grid select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  outline: none;
  background: #fff;
}
#page-library .form-grid input:focus, #page-library .form-grid select:focus { border-color: var(--primary); }
#page-library .file-info {
  margin-top: 10px;
  font-size: 12px; color: var(--text-2);
  min-height: 16px;
}
#page-library .file-info a { color: var(--primary); text-decoration: none; }
#page-library .file-info a:hover { text-decoration: underline; }
#page-library .toast {
  position: fixed;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  background: #1f2733; color: #fff;
  padding: 9px 20px; border-radius: 999px;
  font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  z-index: 99;
}
#page-library .toast.err { background: var(--danger); }