:root{color-scheme:light dark;--sf-bg-page: #f2f3f5;--sf-text: #111;--sf-text-muted: #6b7280;--sf-heading: #0a0a0a;--sf-tab-bg: #e8e9ec;--sf-tab-text: #374151;--sf-tab-hover: #dcdfe4;--sf-tab-active-bg: #111;--sf-tab-active-text: #fff;--sf-tab-active-hover: #1f1f1f;--sf-card: #fff;--sf-card-shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 12px rgba(0, 0, 0, .05);--sf-card-muted: #fafafa;--sf-card-muted-border: #eee;--sf-card-title: #6b7280;--sf-label: #374151;--sf-checkbox: #374151;--sf-input-bg: #fff;--sf-input-border: #d1d5db;--sf-input-text: #111;--sf-input-disabled-bg: #f3f4f6;--sf-input-disabled-text: #9ca3af;--sf-focus-border: #111;--sf-focus-ring: rgba(17, 17, 17, .08);--sf-accent: #111;--sf-btn-primary-bg: #111;--sf-btn-primary-text: #fff;--sf-btn-primary-hover: #333;--sf-btn-secondary-bg: #f3f3f3;--sf-btn-secondary-text: #111;--sf-btn-secondary-hover: #e5e5e5;--sf-btn-ghost-text: inherit;--sf-status-neutral-bg: #f3f4f6;--sf-status-neutral-text: #4b5563;--sf-status-success-bg: #e6f7ed;--sf-status-success-text: #1a7f37;--sf-status-warning-bg: #fff4e5;--sf-status-warning-text: #a15c00;--sf-status-error-bg: #fdecec;--sf-status-error-text: #b42318;--sf-preview-bg: #fafafa;--sf-preview-border: #d1d5db;--sf-result-card-bg: #fafafa;--sf-result-card-border: #e5e7eb;--sf-badge-valid-bg: #dcfce7;--sf-badge-valid-text: #166534;--sf-badge-warn-bg: #fef3c7;--sf-badge-warn-text: #92400e;--sf-badge-invalid-bg: #fee2e2;--sf-badge-invalid-text: #991b1b;--sf-pro-list: #4b5563;--sf-section-label: #9ca3af;--sf-progress: #6b7280;--sf-warn-inline: #92400e;--sf-error-inline: #b42318;--sf-plan-pill-bg: #111;--sf-plan-pill-text: #fff;--sf-plan-pill-free-bg: #e8e9ec;--sf-plan-pill-free-text: #374151}@media (prefers-color-scheme: dark){:root{--sf-bg-page: #121214;--sf-text: #e8e8ec;--sf-text-muted: #9ca3af;--sf-heading: #f4f4f5;--sf-tab-bg: #2a2b31;--sf-tab-text: #d1d5db;--sf-tab-hover: #34353c;--sf-tab-active-bg: #f4f4f5;--sf-tab-active-text: #111;--sf-tab-active-hover: #e4e4e7;--sf-card: #1e1f24;--sf-card-shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 4px 16px rgba(0, 0, 0, .45);--sf-card-muted: #18191c;--sf-card-muted-border: #2e3038;--sf-card-title: #9ca3af;--sf-label: #d1d5db;--sf-checkbox: #d1d5db;--sf-input-bg: #25262c;--sf-input-border: #3f424c;--sf-input-text: #e8e8ec;--sf-input-disabled-bg: #1a1b1f;--sf-input-disabled-text: #6b7280;--sf-focus-border: #a1a1aa;--sf-focus-ring: rgba(228, 228, 231, .12);--sf-accent: #e8e8ec;--sf-btn-primary-bg: #f4f4f5;--sf-btn-primary-text: #111;--sf-btn-primary-hover: #e4e4e7;--sf-btn-secondary-bg: #2a2b31;--sf-btn-secondary-text: #e8e8ec;--sf-btn-secondary-hover: #34353c;--sf-status-neutral-bg: #25262c;--sf-status-neutral-text: #d1d5db;--sf-status-success-bg: #0f2918;--sf-status-success-text: #86efac;--sf-status-warning-bg: #2a1f0a;--sf-status-warning-text: #fcd34d;--sf-status-error-bg: #2c1210;--sf-status-error-text: #fca5a5;--sf-preview-bg: #18191c;--sf-preview-border: #3f424c;--sf-result-card-bg: #18191c;--sf-result-card-border: #2e3038;--sf-badge-valid-bg: #14532d;--sf-badge-valid-text: #bbf7d0;--sf-badge-warn-bg: #713f12;--sf-badge-warn-text: #fde68a;--sf-badge-invalid-bg: #7f1d1d;--sf-badge-invalid-text: #fecaca;--sf-pro-list: #d1d5db;--sf-section-label: #71717a;--sf-progress: #9ca3af;--sf-warn-inline: #fcd34d;--sf-error-inline: #fca5a5;--sf-plan-pill-bg: #f4f4f5;--sf-plan-pill-text: #111;--sf-plan-pill-free-bg: #2a2b31;--sf-plan-pill-free-text: #d1d5db}}html[data-sf-theme=dark]{--sf-bg-page: #121214;--sf-text: #e8e8ec;--sf-text-muted: #9ca3af;--sf-heading: #f4f4f5;--sf-tab-bg: #2a2b31;--sf-tab-text: #d1d5db;--sf-tab-hover: #34353c;--sf-tab-active-bg: #f4f4f5;--sf-tab-active-text: #111;--sf-tab-active-hover: #e4e4e7;--sf-card: #1e1f24;--sf-card-shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 4px 16px rgba(0, 0, 0, .45);--sf-card-muted: #18191c;--sf-card-muted-border: #2e3038;--sf-card-title: #9ca3af;--sf-label: #d1d5db;--sf-checkbox: #d1d5db;--sf-input-bg: #25262c;--sf-input-border: #3f424c;--sf-input-text: #e8e8ec;--sf-input-disabled-bg: #1a1b1f;--sf-input-disabled-text: #6b7280;--sf-focus-border: #a1a1aa;--sf-focus-ring: rgba(228, 228, 231, .12);--sf-accent: #e8e8ec;--sf-btn-primary-bg: #f4f4f5;--sf-btn-primary-text: #111;--sf-btn-primary-hover: #e4e4e7;--sf-btn-secondary-bg: #2a2b31;--sf-btn-secondary-text: #e8e8ec;--sf-btn-secondary-hover: #34353c;--sf-status-neutral-bg: #25262c;--sf-status-neutral-text: #d1d5db;--sf-status-success-bg: #0f2918;--sf-status-success-text: #86efac;--sf-status-warning-bg: #2a1f0a;--sf-status-warning-text: #fcd34d;--sf-status-error-bg: #2c1210;--sf-status-error-text: #fca5a5;--sf-preview-bg: #18191c;--sf-preview-border: #3f424c;--sf-result-card-bg: #18191c;--sf-result-card-border: #2e3038;--sf-badge-valid-bg: #14532d;--sf-badge-valid-text: #bbf7d0;--sf-badge-warn-bg: #713f12;--sf-badge-warn-text: #fde68a;--sf-badge-invalid-bg: #7f1d1d;--sf-badge-invalid-text: #fecaca;--sf-pro-list: #d1d5db;--sf-section-label: #71717a;--sf-progress: #9ca3af;--sf-warn-inline: #fcd34d;--sf-error-inline: #fca5a5;--sf-plan-pill-bg: #f4f4f5;--sf-plan-pill-text: #111;--sf-plan-pill-free-bg: #2a2b31;--sf-plan-pill-free-text: #d1d5db}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:14px;line-height:1.45;color:var(--sf-text);background:var(--sf-bg-page);-webkit-font-smoothing:antialiased}.app{max-width:440px;margin:0 auto;padding:16px 16px 28px;min-height:100vh}.app-header{margin-bottom:20px}.app-header h1{margin:0 0 4px;font-size:1.35rem;font-weight:700;letter-spacing:-.02em;color:var(--sf-heading)}.app-subtitle{margin:0;font-size:13px;color:var(--sf-text-muted)}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.tabs--scroll{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.tab{flex:1;min-width:0;padding:8px 10px;border:none;border-radius:8px;background:var(--sf-tab-bg);color:var(--sf-tab-text);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s ease,color .15s ease}.tab:hover{background:var(--sf-tab-hover)}.tab--active{background:var(--sf-tab-active-bg);color:var(--sf-tab-active-text)}.tab--active:hover{background:var(--sf-tab-active-hover);color:var(--sf-tab-active-text)}.tab:disabled{opacity:.45;cursor:not-allowed}.card{background:var(--sf-card);border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:var(--sf-card-shadow)}.card--muted{background:var(--sf-card-muted);box-shadow:none;border:1px solid var(--sf-card-muted-border)}.card-title{margin:0 0 12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--sf-card-title)}.card+.card{margin-top:0}.field-label{display:block;margin-top:12px;margin-bottom:4px;font-size:13px;font-weight:500;color:var(--sf-label)}.field-label:first-child{margin-top:0}.field-row{display:flex;align-items:center;gap:10px;margin-top:12px}.field-row .field-label{margin:0;flex:1}.checkbox-field{display:flex;align-items:flex-start;gap:10px;margin-top:12px;font-size:13px;color:var(--sf-checkbox);cursor:pointer}.checkbox-field input[type=checkbox]{margin-top:2px}input[type=text],input[type=number],input[type=email],input[type=file],input[type=color],textarea,select{width:100%;padding:9px 11px;border-radius:8px;border:1px solid var(--sf-input-border);background:var(--sf-input-bg);font-size:14px;color:var(--sf-input-text);transition:border-color .15s ease,box-shadow .15s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--sf-focus-border);box-shadow:0 0 0 3px var(--sf-focus-ring)}input:disabled,textarea:disabled,select:disabled{background:var(--sf-input-disabled-bg);color:var(--sf-input-disabled-text)}input[type=color]{padding:4px;height:40px;cursor:pointer}input[type=checkbox]{width:auto;accent-color:var(--sf-accent)}input[type=file]{padding:8px;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:8px;border:none;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s ease,opacity .15s ease}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--primary{background:var(--sf-btn-primary-bg);color:var(--sf-btn-primary-text)}.btn--primary:hover:not(:disabled){background:var(--sf-btn-primary-hover)}.btn--secondary{background:var(--sf-btn-secondary-bg);color:var(--sf-btn-secondary-text)}.btn--secondary:hover:not(:disabled){background:var(--sf-btn-secondary-hover)}.btn--block{width:100%;margin-top:16px;font-weight:600;padding:12px 14px}.btn-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.btn-row .btn{flex:1;min-width:calc(50% - 4px)}.btn--sm{padding:8px 12px;font-size:13px}.btn--ghost{background:transparent;color:var(--sf-label)}.btn--ghost:hover:not(:disabled){background:var(--sf-tab-hover)}.status{padding:10px 12px;border-radius:8px;margin-top:12px;font-size:13px;line-height:1.4}.status--neutral{background:var(--sf-status-neutral-bg);color:var(--sf-status-neutral-text)}.status--success{background:var(--sf-status-success-bg);color:var(--sf-status-success-text)}.status--warning{background:var(--sf-status-warning-bg);color:var(--sf-status-warning-text)}.status--error{background:var(--sf-status-error-bg);color:var(--sf-status-error-text)}.plan-pill{display:inline-block;margin-top:8px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--sf-plan-pill-bg);color:var(--sf-plan-pill-text)}.plan-pill--free{background:var(--sf-plan-pill-free-bg);color:var(--sf-plan-pill-free-text)}.preview{border:1px dashed var(--sf-preview-border);border-radius:10px;overflow:auto;padding:16px;margin-top:12px;background:var(--sf-preview-bg);display:flex;align-items:center;justify-content:center;min-height:80px}.preview svg{max-width:100%;height:auto}.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.result-list{max-height:380px;overflow:auto;display:flex;flex-direction:column;gap:12px;margin-top:12px;padding-right:4px}.result-card{background:var(--sf-result-card-bg);border:1px solid var(--sf-result-card-border);border-radius:10px;padding:12px}.result-card .row{margin-bottom:8px}.result-card .preview{margin-top:8px}.badge{padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge.valid{background:var(--sf-badge-valid-bg);color:var(--sf-badge-valid-text)}.badge.warning{background:var(--sf-badge-warn-bg);color:var(--sf-badge-warn-text)}.badge.invalid{background:var(--sf-badge-invalid-bg);color:var(--sf-badge-invalid-text)}.pro-list{margin:0 0 16px;padding-left:18px;color:var(--sf-pro-list);font-size:14px}.pro-list li{margin-bottom:8px}.section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--sf-section-label);margin:16px 0 8px}.section-label:first-child{margin-top:0}.progress-line{margin-top:10px;font-size:13px;color:var(--sf-progress)}.warn{color:var(--sf-warn-inline);font-size:13px;margin:6px 0 0}.error{color:var(--sf-error-inline)}