:root{color-scheme:light;--bg: #f8fafc;--ink: #0f172a;--ink-strong: #1e3a8a;--muted: #475569;--primary: #1e40af;--primary-soft: #3b82f6;--accent: #f59e0b;--card: rgba(255, 255, 255, .88);--border: #e2e8f0;--shadow: 0 24px 60px rgba(15, 23, 42, .12);--radius: 18px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;font-family:Fira Sans,Segoe UI,system-ui,sans-serif;color:var(--ink);background:var(--bg);min-height:100vh}#root{min-height:100vh}h1,h2,h3{margin:0 0 12px;color:var(--ink-strong)}p{margin:0;color:var(--muted)}.backdrop{position:fixed;inset:0;z-index:-1;overflow:hidden;background:radial-gradient(circle at top left,rgba(59,130,246,.18),transparent 55%),radial-gradient(circle at 85% 20%,rgba(245,158,11,.12),transparent 50%),linear-gradient(180deg,#f8fafc,#eef2ff)}.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.08) 1px,transparent 1px);background-size:120px 120px;mix-blend-mode:multiply}.orb{position:absolute;width:480px;height:480px;border-radius:50%;opacity:.7}.orb-a{top:-160px;left:-120px;background:radial-gradient(circle at 30% 30%,rgba(30,64,175,.4),transparent 70%)}.orb-b{bottom:-220px;right:-140px;background:radial-gradient(circle at 30% 30%,rgba(59,130,246,.32),transparent 70%)}.page{max-width:1200px;margin:0 auto;padding:28px 24px 80px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:32px}.brand{display:flex;align-items:center;gap:16px;min-width:0}.logo{display:block;width:clamp(96px,10vw,152px);height:auto;max-width:100%;background:transparent;border:0;border-radius:0;box-shadow:none}.brand-title{font-size:18px;font-weight:600}.brand-subtitle{font-size:13px;color:var(--muted);white-space:nowrap}.status-pill{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:13px;color:var(--muted);box-shadow:0 10px 20px #0f172a0f}.status-pill[data-state=success]{color:#0f766e;border-color:#0e749033;background:#ccfbf1b3}.status-pill[data-state=error]{color:#b91c1c;border-color:#f871714d;background:#fee2e2b3}.status-pill[data-state=loading]{color:var(--primary);border-color:#3b82f64d;background:#dbeafeb3}.spinner,.spinner-lg{width:14px;height:14px;border-radius:50%;border:2px solid rgba(59,130,246,.3);border-top-color:var(--primary);display:none}.status-pill[data-state=loading] .spinner{display:inline-block;animation:spin .8s linear infinite}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;margin-bottom:32px}.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--primary);font-weight:600;margin-bottom:12px}.hero-text h1{font-size:clamp(28px,3vw,40px);margin-bottom:16px}.lead{font-size:16px;line-height:1.6;max-width:560px}.hero-metrics{margin-top:24px;display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.metric-card{padding:12px 16px;border-radius:14px;border:1px solid var(--border);background:#ffffffb3;box-shadow:0 12px 24px #0f172a0d}.metric-label{font-size:12px;color:var(--muted)}.metric-value{font-size:16px;font-weight:600;color:var(--ink-strong)}.metric-spread{margin-top:2px;font-size:12px;color:var(--muted)}.hero-panel{padding:22px;border-radius:var(--radius);background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}.panel-header{font-weight:600;color:var(--ink-strong)}.steps{padding-left:18px;margin:0;color:var(--muted);display:grid;gap:8px}.panel-foot{font-size:13px;color:var(--muted)}.main-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:24px;align-items:start}.card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);padding:24px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.card-header p{font-size:14px}.pill{padding:6px 12px;border-radius:999px;border:1px solid rgba(59,130,246,.2);background:#dbeafe99;color:var(--primary);font-size:12px;font-weight:600;white-space:nowrap}.section{margin-bottom:20px}.section+.section{padding-top:20px;border-top:1px solid var(--border)}.section-title span{font-size:12px;color:var(--primary);font-weight:600;letter-spacing:.08em;text-transform:uppercase}.section-title h3{font-size:17px;font-weight:700;margin-top:4px;margin-bottom:14px}.field-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.field{display:grid;gap:8px}label{font-size:13px;font-weight:500;color:var(--muted)}input,textarea{width:100%;border-radius:12px;border:1px solid var(--border);padding:10px 12px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease}select{width:100%;border-radius:12px;border:1px solid var(--border);padding:10px 36px 10px 12px;font-size:14px;font-family:inherit;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23475569' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E") no-repeat right 12px center;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;appearance:none}input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid rgba(59,130,246,.35);outline-offset:1px;border-color:#3b82f6b3;box-shadow:0 0 0 3px #3b82f629}textarea{resize:vertical;min-height:80px}.code-input{font-family:Fira Code,SFMono-Regular,ui-monospace,monospace;letter-spacing:.02em}.field.full{grid-column:1 / -1}.field.toggle{align-items:center;grid-template-columns:1fr}.field.toggle label{display:inline-flex;align-items:center;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none}.field.toggle input[type=checkbox]{appearance:none;-webkit-appearance:none;width:18px;height:18px;min-width:18px;border-radius:5px;border:1.5px solid var(--border);background:#fff;cursor:pointer;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease;position:relative}.field.toggle input[type=checkbox]:checked{background:var(--primary);border-color:var(--primary)}.field.toggle input[type=checkbox]:checked:after{content:"";position:absolute;top:2px;left:5px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.field.toggle input[type=checkbox]:focus-visible{outline:2px solid rgba(59,130,246,.35);outline-offset:1px;box-shadow:0 0 0 3px #3b82f629}.field[data-error=true] input,.field[data-error=true] textarea,.field[data-error=true] select{border-color:#f87171e6;box-shadow:0 0 0 2px #f8717133}.inline-hint{font-size:12px;color:var(--muted)}.tag-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.chip{border-radius:999px;border:1px solid var(--border);padding:6px 12px;font-size:12px;background:#fff;color:var(--muted);cursor:pointer}.chip.selected{border-color:#3b82f699;background:#dbeafeb3;color:var(--primary)}.helper{font-size:12px;color:var(--muted);margin-bottom:6px}.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:12px;flex-wrap:wrap}button{border-radius:999px;border:1px solid transparent;padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}button:disabled{cursor:not-allowed;opacity:.7}button.primary{background:linear-gradient(135deg,var(--primary),var(--primary-soft));color:#fff;box-shadow:0 12px 24px #1e40af47}button.primary:hover{transform:translateY(-1px);box-shadow:0 16px 28px #1e40af52}button.ghost{background:transparent;border:1px solid var(--border);color:var(--muted)}button.ghost:hover{border-color:#3b82f666;color:var(--primary)}button.icon-button{padding:6px;width:32px;height:32px;display:grid;place-items:center}.copy-icon{position:relative;width:14px;height:14px}.copy-icon:before,.copy-icon:after{content:"";position:absolute;border:1px solid currentColor;border-radius:3px;width:12px;height:12px}.copy-icon:before{top:0;left:0;opacity:.7}.copy-icon:after{top:-3px;left:3px}button.ghost.copy-success{border-color:#0e74904d;color:#0f766e;background:#ccfbf180;width:auto;padding:6px 10px;font-size:11px;font-weight:600}.form-note{margin-top:16px;font-size:12px;color:var(--muted)}.side-stack{display:grid;gap:24px;align-self:start;position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto;padding-right:6px}.result-card{display:grid;gap:16px}.loading{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;background:#dbeafe99;color:var(--primary)}.loading p{color:var(--primary);font-size:13px}.spinner-lg{width:36px;height:36px;border-width:3px;animation:spin .8s linear infinite;display:inline-block}.result-main{padding:18px;border-radius:16px;background:linear-gradient(135deg,#1e40af14,#3b82f61f);border:1px solid rgba(59,130,246,.2);text-align:center}.result-label{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted)}.result-value{font-size:clamp(24px,3.4vw,36px);font-weight:700;color:var(--ink-strong);margin:8px 0 4px}.result-value.flash{animation:value-flash .6s ease}@keyframes value-flash{0%{color:var(--primary);transform:scale(1.06)}to{color:var(--ink-strong);transform:scale(1)}}.result-unit{font-size:13px;color:var(--muted)}.result-empty{padding:24px 16px;text-align:center;color:var(--muted);font-size:14px;line-height:1.6}.result-empty-icon{font-size:32px;margin-bottom:8px;opacity:.4}.meta-row{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);border-top:1px dashed var(--border);padding-top:12px}.alert{margin-top:8px;padding:12px 14px;border-radius:12px;background:#fee2e2b3;border:1px solid rgba(248,113,113,.4);color:#b91c1c;display:grid;gap:4px;font-size:13px}.preview-card{display:grid;gap:16px}.preview-block{display:grid;gap:6px;padding-bottom:12px;border-bottom:1px dashed var(--border)}.preview-block:last-child{border-bottom:none;padding-bottom:0}.preview-label{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.preview-text{font-size:13px;line-height:1.5;color:var(--ink);max-height:140px;overflow:hidden;position:relative}.preview-text.overflowing{mask-image:linear-gradient(to bottom,#000 70%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,#000 70%,transparent 100%)}.panel-foot code{font-family:Fira Code,SFMono-Regular,ui-monospace,monospace;font-size:12px;color:var(--primary)}.info-card h3{margin-bottom:8px}.checklist{margin:0;padding-left:18px;display:grid;gap:8px;color:var(--muted);font-size:14px}.reveal{opacity:0;transform:translateY(12px);animation:fade-up .6s ease forwards;animation-delay:var(--delay, 0s)}@keyframes fade-up{to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.reveal{animation:none;opacity:1;transform:none}.spinner,.spinner-lg{animation:none}}@media(max-width:980px){.hero,.main-grid{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start;gap:12px}.logo{width:132px}.form-actions{flex-direction:column;align-items:stretch}.side-stack{position:static;max-height:none;overflow:visible;padding-right:0}}@media(max-width:600px){.page{padding:20px 16px 60px}.brand{gap:12px}.logo{width:112px}.card{padding:20px}.hero-metrics{grid-template-columns:1fr}}