dialog:has(.appearance-panel){width:900px;padding:26px;overflow-y:auto}
.appearance-panel{min-width:0}
.appearance-panel h3{margin:0 0 12px;font-size:1rem;font-weight:600}
.appearance-panel .modal-head{margin-bottom:18px}
.appearance-panel .modal-head p{max-width:46rem}
.appearance-tabs{position:sticky;top:-26px;background:var(--surface-raised);padding:14px 0;z-index:4;margin-bottom:20px}
.appearance-section{margin:22px 0}
.appearance-section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.appearance-section-title h3{margin:0}
.appearance-section-title>.muted{font-size:.8rem}
.appearance-section-title p{font-size:.8rem;line-height:1.6;margin-top:8px}
.appearance-note{font-size:.8rem;line-height:1.7;color:var(--text-secondary);margin:10px 0;overflow-wrap:anywhere}
.appearance-site-notice{padding:12px 14px;border:1px solid var(--info-border);border-radius:var(--radius-control);background:var(--info-bg);color:var(--info)}
.theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.theme-card{display:flex;flex-direction:column;gap:14px;text-align:left;padding:15px;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-card)}
.theme-card.chosen{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:var(--selected)}
.theme-card b{font-size:.94rem;font-weight:600;overflow-wrap:anywhere}
.theme-card small{display:block;color:var(--text-muted);font-size:.75rem;margin-top:5px}
.theme-swatches{display:flex;height:24px;gap:0;width:100%;overflow:hidden;border-radius:calc(var(--radius-control) / 2);border:1px solid var(--border)}
.theme-swatches>span{flex:1}
.appearance-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:15px}
.appearance-select{position:relative;min-width:0;font-size:.85rem}
.appearance-select>span{display:block;color:var(--text-secondary);margin-bottom:8px}
.appearance-select>.picker-trigger{border:1px solid var(--border);border-radius:var(--radius-control);padding:10px 12px;background:var(--input);font-size:.9rem;min-height:42px}
.appearance-picker-popup{position:absolute;top:calc(100% + 5px);left:0;right:0;padding:5px;max-height:245px;overflow:auto;z-index:6}
.appearance-picker-popup .picker-option{font-size:.9rem}
.appearance-scheme{gap:3px}
.appearance-scheme button{font-size:.8rem;padding:7px 11px;white-space:nowrap}
.theme-color-field{font-size:.82rem;color:var(--text-secondary);gap:8px;min-width:0}
.theme-color-input{display:flex;align-items:center;gap:8px}
.theme-color-input input[type=color]{padding:3px;width:40px;height:37px;flex-shrink:0;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--input);cursor:pointer}
.theme-color-input input[type=text]{width:100%;font-family:var(--font-mono);font-size:.85rem;padding:9px 10px;height:37px}
.appearance-advanced{margin-top:20px;font-size:.85rem;color:var(--text-secondary)}
.appearance-advanced>summary{cursor:pointer;padding:8px 0;width:fit-content}
.appearance-preview{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px;margin:24px 0 10px}
.appearance-preview-head{display:flex;align-items:center;gap:10px;font-size:.9rem}
.appearance-preview-head>.muted{margin-left:auto;font-size:.75rem}
.appearance-preview-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:var(--radius-control);color:var(--on-accent);background:var(--accent);font-family:var(--font-display)}
.appearance-preview-message{padding:18px 0;color:var(--text)}
.appearance-preview-message>b{font-family:var(--font-display);font-weight:600}
.appearance-preview-message p{font-size:.85rem;line-height:1.7;margin-top:7px;color:var(--text-secondary)}
.appearance-preview-input{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;background:var(--input);border:1px solid var(--border);border-radius:var(--radius-control);font-size:.83rem;color:var(--text-muted)}
.appearance-preview-input button:disabled{opacity:1;font-size:.85rem;flex-shrink:0}
.appearance-preview-status{display:flex;justify-content:space-between;gap:12px;margin-top:14px;font-size:.8rem;color:var(--success)}
.appearance-preview-status small{color:var(--text-muted);font-size:.75rem}
.appearance-contrast{font-size:.8rem;color:var(--text-secondary);line-height:1.7}
.appearance-warning{color:var(--warning);background:var(--warning-bg);padding:10px 12px;border-radius:var(--radius-control)}
.appearance-error{padding:10px 12px;border-radius:var(--radius-control);background:var(--danger-bg);color:var(--danger);font-size:.85rem;line-height:1.7;overflow-wrap:anywhere}
.appearance-footer{border-top:1px solid var(--border);padding-top:18px;gap:8px;flex-wrap:wrap}
.appearance-footer button{font-size:.85rem}
.appearance-footer .muted{font-size:.72rem}
.appearance-library-actions,.theme-library-actions{display:flex;flex-wrap:wrap;gap:7px}
.appearance-library-actions button{font-size:.85rem}
.theme-library-row{display:flex;align-items:center;gap:15px;padding:17px 0;border-bottom:1px solid var(--border)}
.theme-library-row>.theme-swatches{width:100px;height:37px;flex-shrink:0}
.theme-library-name{min-width:0;flex:1}
.theme-library-name b{font-size:.9rem;overflow-wrap:anywhere}
.theme-library-name small{display:block;color:var(--text-muted);font-size:.75rem;margin-top:5px}
.theme-library-actions button{font-size:.8rem;padding:7px 10px}
.account-appearance{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--border)}
.account-appearance b{display:block;font-size:1rem}
.account-appearance small{display:block;font-size:.8rem;color:var(--text-muted);line-height:1.5;margin-top:5px}
@media(max-width:700px){
  dialog:has(.appearance-panel){padding:18px;max-height:92dvh}
  .appearance-tabs{top:-18px;margin-bottom:12px}
  .theme-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .theme-card{padding:12px;gap:11px}
  .appearance-fields{gap:13px 10px}
  .appearance-preview{padding:14px}
  .appearance-preview-input{flex-wrap:wrap}
  .appearance-preview-status{flex-direction:column;gap:6px}
  .appearance-footer{gap:8px}
  .appearance-footer>.muted{order:3;flex-basis:100%;margin-top:5px}
  .appearance-footer button{padding:8px 10px}
  .theme-library-row{flex-wrap:wrap;gap:12px}
  .theme-library-row>.theme-swatches{width:65px;height:32px}
  .theme-library-actions{flex-basis:100%;justify-content:flex-end}
  .appearance-scheme button{padding:7px 9px}
}
@media(max-width:360px){.appearance-fields{grid-template-columns:minmax(0,1fr)}.appearance-tabs button{font-size:.8rem;padding:8px 10px}}