.dom-page-header{max-width:960px;margin:0 auto;padding:24px 16px 8px;text-align:center}.dom-layout{max-width:960px;margin:0 auto;padding:0 16px;display:grid;grid-template-columns:420px 1fr;gap:32px;align-items:start}.dom-editor-col{display:flex;flex-direction:column;gap:20px}.dom-preview-col{display:flex;flex-direction:column;gap:16px;position:sticky;top:16px}.dom-warning-banner{padding:10px 14px;background:#fef9c3;border:1px solid #fde047;border-radius:var(--r-md);font-size:12px;color:#713f12;line-height:1.5}.dom-presets{display:flex;flex-wrap:wrap;gap:8px}.dom-chip{display:flex;flex-direction:column;padding:6px 12px;min-height:44px;border:1px solid var(--swp-border);border-radius:var(--r-md);background:var(--swp-surface);font-size:12px;color:var(--swp-ink-muted);cursor:pointer;text-align:left;transition:background .15s;justify-content:center}.dom-chip:hover{background:var(--swp-surface-alt)}.dom-chip-label{font-weight:600;font-size:13px;color:var(--swp-ink)}.dom-chip-desc{font-size:11px;margin-top:2px}.dom-editor-wrap{position:relative;border:1px solid var(--swp-border);border-radius:var(--r-lg);overflow:hidden}.dom-textarea{width:100%;min-height:240px;padding:14px 16px;font-family:var(--font-mono);font-size:13px;line-height:1.6;background:var(--swp-surface-code);color:var(--swp-ink);border:none;resize:vertical;display:block;tab-size:2;white-space:pre;overflow-wrap:normal;overflow-x:auto}.dom-textarea:focus{outline:2px solid var(--color-primary);outline-offset:-2px}.dom-btn-row{display:flex;gap:8px;flex-wrap:wrap}.dom-run-btn{padding:10px 24px;min-height:44px;border-radius:var(--r-pill);font-weight:700;font-size:14px;background:var(--color-primary);color:var(--color-primary-content);border:none;cursor:pointer}.dom-reset-dom-btn,.dom-reset-all-btn{padding:8px 16px;min-height:44px;border-radius:var(--r-pill);font-size:13px;font-weight:600;cursor:pointer;border:1px solid var(--swp-border);background:var(--swp-surface)}.dom-error-box{display:flex;align-items:flex-start;gap:8px;padding:12px 14px;background:#fee2e2;border:1px solid #fca5a5;border-radius:var(--r-md)}.dom-error-icon{font-size:16px;flex-shrink:0;margin-top:1px}.dom-error-text{font-family:var(--font-mono);font-size:12px;color:#7f1d1d;margin:0;white-space:pre-wrap;word-break:break-all}.dom-preview-wrap{border:1px solid var(--swp-border);border-radius:var(--r-lg);overflow:hidden}.dom-preview-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--swp-ink-muted);background:var(--swp-surface-alt);border-bottom:1px solid var(--swp-border);padding:6px 12px}.dom-preview-root{padding:20px;min-height:280px;background:#fff;font-size:14px;line-height:1.6}.dom-preview-root h1{font-size:20px;font-weight:700;margin:0 0 8px}.dom-preview-root p{margin:0 0 8px}.dom-preview-root button{padding:6px 14px;cursor:pointer;border:1px solid #cbd5e1;border-radius:6px}.dom-preview-root ul{padding-left:1.4em;margin:0}.dom-preview-root li{margin-bottom:4px}.dom-preview-root .card{padding:12px;border:1px solid #e2e8f0;border-radius:8px;margin-top:8px}.dom-preview-root .active{background:#0d9488;color:#fff;border-color:#0d9488}.dom-section-title{font-size:16px;font-weight:700;color:var(--swp-ink);margin:0 0 12px}.dom-how-to,.dom-related-section{max-width:960px;margin:48px auto 0;padding:0 16px}.dom-steps{padding-left:1.4em}.dom-steps li{margin-bottom:8px;line-height:1.6}.dom-related-list{list-style:none;padding:0}.dom-related-list li{margin-bottom:6px}.dom-related-tools{display:flex;flex-direction:column;gap:6px}.dom-related-link{color:var(--color-primary);text-decoration:none}.dom-related-link:hover{text-decoration:underline}@media(prefers-reduced-motion:reduce){.dom-chip{transition:none}}@media(max-width:639px){.dom-layout{grid-template-columns:1fr;gap:20px}.dom-editor-col{order:2}.dom-preview-col{order:1;position:static}.dom-textarea{min-height:180px;font-size:12px}.dom-preview-root{min-height:200px;padding:14px}.dom-btn-row{flex-direction:column;gap:8px}.dom-run-btn,.dom-reset-dom-btn,.dom-reset-all-btn{width:100%;text-align:center}.dom-chip-desc{display:none}}