.sv-tool{max-width:850px;margin:0 auto}.sv-input-section{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px}.sv-mode-tabs{display:flex;gap:4px;margin-bottom:16px}.sv-mode-tab{padding:8px 20px;font-size:.85rem;font-weight:500;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text-secondary);cursor:pointer;transition:all .15s}.sv-mode-tab:hover{border-color:var(--primary);color:var(--primary)}.sv-mode-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.sv-input-group label{font-size:.85rem;font-weight:600;color:var(--text-secondary);display:block;margin-bottom:8px}.sv-input-group input[type=text],.sv-input-group textarea{width:100%;padding:12px 16px;font-size:.9rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text);box-sizing:border-box;font-family:Courier New,monospace;margin-bottom:12px}.sv-input-group textarea{resize:vertical;line-height:1.5}.sv-input-group input:focus,.sv-input-group textarea:focus{border-color:var(--primary);outline:none}.sv-actions{display:flex;gap:10px;align-items:center}.sv-actions .btn-primary{padding:10px 24px}.sv-results{margin-bottom:24px}.sv-section{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:16px}.sv-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.sv-section-header h3{font-size:1rem;margin:0}.sv-summary{font-size:.85rem}.sv-count-badge{display:inline-block;background:var(--bg);border:1px solid var(--border);padding:2px 10px;border-radius:12px;font-size:.8rem;color:var(--text-secondary);margin-left:6px}.sv-section-actions{display:flex;align-items:center;gap:12px}.sv-check-note{font-size:.75rem;color:var(--text-tertiary)}.sv-issues-list{display:flex;flex-direction:column;gap:6px}.sv-issue{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;border-radius:var(--radius);font-size:.85rem;line-height:1.5}.sv-issue-error{background:#dc262614;border:1px solid rgba(220,38,38,.2)}.sv-issue-warning{background:#f59e0b14;border:1px solid rgba(245,158,11,.2)}.sv-issue-info{background:#3b82f614;border:1px solid rgba(59,130,246,.2)}.sv-issue-success{background:#22c55e14;border:1px solid rgba(34,197,94,.2)}.sv-badge{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:20px;padding:0 6px;font-size:.7rem;font-weight:700;border-radius:4px;flex-shrink:0}.sv-badge-error{background:#dc2626;color:#fff}.sv-badge-warning{background:#f59e0b;color:#fff}.sv-badge-info{background:#3b82f6;color:#fff}.sv-badge-success{background:#22c55e;color:#fff}.sv-issue-msg{word-break:break-word}.sv-color-error{color:#dc2626;font-weight:600}.sv-color-warning{color:#f59e0b;font-weight:600}.sv-color-success{color:#22c55e;font-weight:600}.sv-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sv-info-item{display:flex;justify-content:space-between;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg)}.sv-info-label{font-size:.85rem;color:var(--text-secondary)}.sv-info-value{font-size:.85rem;font-weight:600}.sv-liveness-progress{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px}.sv-progress-bar{width:100%;max-width:400px;height:8px;background:var(--bg);border-radius:4px;overflow:hidden;border:1px solid var(--border)}.sv-progress-fill{height:100%;background:var(--primary);width:0%;transition:width .3s ease}.sv-progress-text{font-size:.85rem;color:var(--text-secondary)}.sv-results-table{width:100%;border-collapse:collapse;font-size:.85rem}.sv-results-table th{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);font-weight:600;color:var(--text-secondary);font-size:.8rem}.sv-results-table td{padding:10px 12px;border-bottom:1px solid var(--border);word-break:break-all}.sv-status-ok{color:#22c55e;font-weight:600}.sv-status-redirect{color:#f59e0b;font-weight:600}.sv-status-bad{color:#dc2626;font-weight:600}.sv-url-details{color:var(--text-tertiary);font-size:.8rem;max-width:400px}.sv-url-details em{font-style:italic;opacity:.7}.sv-urls-list{display:flex;flex-direction:column;gap:4px;max-height:300px;overflow-y:auto}.sv-url-item{padding:6px 12px;font-size:.8rem;font-family:Courier New,monospace;background:var(--bg);border:1px solid var(--border);border-radius:4px;word-break:break-all}.faq-section{max-width:800px;margin:0 auto;padding:48px 0}.faq-section h2{font-size:1.75rem;margin-bottom:28px}.faq-item{margin-bottom:24px}.faq-item h3{font-size:1.1rem;margin-bottom:8px}.faq-item p{color:var(--text-secondary);line-height:1.7}.faq-item a{color:var(--primary);text-decoration:underline}@media (max-width: 600px){.sv-section-header{flex-direction:column;align-items:flex-start;gap:8px}.sv-section-actions{width:100%}.sv-info-grid{grid-template-columns:1fr}.sv-results-table th,.sv-results-table td{padding:6px 8px;font-size:.8rem}}