*{box-sizing:border-box;margin:0;padding:0}:root{color-scheme:light dark;--bg:#f7f7f8;--fg:#111111;--fg-soft:#1f1f23;--muted:#6b7280;--border:#e4e4e7;--border-strong:#d4d4d8;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-soft:#eff4ff;--danger:#dc2626;--danger-soft:#fef2f2;--success:#16a34a;--success-soft:#f0fdf4;--warning:#d97706;--warning-soft:#fffbeb;--card:#ffffff;--card-2:#fafafa;--input-bg:#ffffff;--shadow-sm:0 1px 2px rgba(0,0,0,0.04);--shadow:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);--shadow-lg:0 10px 25px -5px rgba(0,0,0,0.08),0 8px 10px -6px rgba(0,0,0,0.04)}@media (prefers-color-scheme:dark){:root{--bg:#0a0a0a;--fg:#f3f4f6;--fg-soft:#e5e7eb;--muted:#9ca3af;--border:#27272a;--border-strong:#3f3f46;--primary:#3b82f6;--primary-hover:#2563eb;--primary-soft:#1e293b;--danger-soft:#2a1414;--success-soft:#0f2118;--warning-soft:#2a1d0a;--card:#111113;--card-2:#18181b;--input-bg:#1a1a1d;--shadow-sm:0 1px 2px rgba(0,0,0,0.3);--shadow:0 1px 3px rgba(0,0,0,0.35),0 1px 2px rgba(0,0,0,0.25);--shadow-lg:0 10px 25px -5px rgba(0,0,0,0.5),0 8px 10px -6px rgba(0,0,0,0.4)}}body,html{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{color:var(--fg);letter-spacing:-.01em}h1{font-size:28px;font-weight:700}h2{font-size:22px}h2,h3{font-weight:600}h3{font-size:17px}button,input,select,textarea{font:inherit;color:inherit}.container{max-width:960px}.container,.container-narrow{margin:0 auto;padding:32px 24px}.container-narrow{max-width:720px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:var(--shadow-sm)}.card-hover{transition:border-color .15s,box-shadow .15s,transform .15s}.card-hover:hover{border-color:var(--border-strong);box-shadow:var(--shadow)}.hero{padding:40px 0 24px;text-align:left}.hero h1{font-size:34px;line-height:1.15;margin-bottom:12px}.hero p{color:var(--muted);font-size:17px;max-width:640px}.hero-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:9px;border:1px solid var(--border);background:var(--card);color:var(--fg);cursor:pointer;font-weight:500;font-size:14px;transition:border-color .15s,background .15s,transform .05s;white-space:nowrap}.btn:hover{border-color:var(--border-strong);background:var(--card-2)}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:white;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-danger{background:var(--danger);color:white;border-color:var(--danger)}.btn-danger:hover{filter:brightness(.95)}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover{background:var(--card-2);border-color:var(--border)}.btn-sm{padding:5px 10px;font-size:13px;border-radius:7px}.btn:disabled{opacity:.5;cursor:not-allowed}.input,.select,.textarea{width:100%;padding:9px 12px;border-radius:9px;border:1px solid var(--border);background:var(--input-bg);transition:border-color .15s,box-shadow .15s}.input:hover,.select:hover,.textarea:hover{border-color:var(--border-strong)}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-weight:500;font-size:14px}.field .hint{font-size:12px;color:var(--muted);font-weight:400}.checkbox-row{display:flex;gap:8px;align-items:center;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}@media (max-width:640px){.grid-2{grid-template-columns:1fr}}.header{margin-bottom:24px}.header,.topnav{display:flex;justify-content:space-between;align-items:center}.topnav{padding:14px 0;border-bottom:1px solid var(--border);margin-bottom:16px}.topnav-brand{display:inline-flex;gap:10px;align-items:center;color:inherit;font-weight:600;font-size:16px}.topnav-brand:hover{text-decoration:none}.topnav-logo{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--primary) 0,#7c3aed 100%);display:inline-flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:13px}.topnav-links{display:flex;gap:6px;align-items:center}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:500;background:var(--primary);color:white}.badge-soft{background:var(--primary-soft);color:var(--primary)}.badge-success{background:var(--success-soft);color:var(--success)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-muted{background:var(--card-2);color:var(--muted);border:1px solid var(--border)}.alert{padding:12px 14px;border-radius:10px;border:1px solid;font-size:14px;line-height:1.45}.alert-success{color:var(--success);border-color:var(--success);background:var(--success-soft)}.alert-error{color:var(--danger);border-color:var(--danger);background:var(--danger-soft)}.alert-warning{color:var(--warning);border-color:var(--warning);background:var(--warning-soft)}.alert-info{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}.muted{color:var(--muted)}.code-block{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--card-2);border:1px solid var(--border);border-radius:9px;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13px;color:var(--fg-soft);overflow-x:auto;white-space:nowrap}.code-block code{flex:1 1;min-width:0;overflow-x:auto}pre.code-block{white-space:pre;display:block;line-height:1.55}kbd{padding:1px 6px;border:solid var(--border-strong);border-width:1px 1px 2px;border-radius:5px;background:var(--card-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.step-list{list-style:none;counter-reset:step;display:flex;flex-direction:column;gap:14px}.step-list>li{counter-increment:step;display:grid;grid-template-columns:28px 1fr;grid-gap:12px;gap:12px;align-items:start}.step-list>li:before{content:counter(step);width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.step-list .step-body{min-width:0;display:flex;flex-direction:column;gap:8px}.step-list .step-body>p{margin:0}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;overflow-x:auto}.tab{padding:9px 14px;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--muted);cursor:pointer;font-weight:500;font-size:14px;white-space:nowrap;transition:color .15s,border-color .15s}.tab:hover{color:var(--fg)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.tiptap{min-height:140px;padding:12px;border:1px solid var(--border);border-radius:9px;background:var(--input-bg)}.tiptap:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}.tiptap-toolbar{display:flex;gap:4px;padding:6px;border:1px solid var(--border);border-bottom:none;border-radius:9px 9px 0 0;background:var(--card)}.tiptap-toolbar+.tiptap{border-radius:0 0 9px 9px}.tiptap-toolbar button{padding:4px 9px;border:none;background:transparent;border-radius:5px;cursor:pointer;color:inherit}.tiptap-toolbar button:hover{background:var(--card-2)}.tiptap-toolbar button.is-active{background:var(--primary);color:white}.stack{display:flex;flex-direction:column;gap:16px}.stack-sm{gap:8px}.stack-lg{gap:24px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.row-between{justify-content:space-between}.divider{height:1px;background:var(--border);margin:16px 0}.spinner{width:14px;height:14px;border:2px solid;border-top:2px solid transparent;border-radius:50%;display:inline-block;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}