:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:#1b2c2a;background:#f4f6f3;font-size:16px;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(ellipse at 20% -5%,#e5ede6 0,transparent 45%),#f4f6f3}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}[hidden]{display:none!important}.app-shell{max-width:1240px;margin:0 auto;padding:0 clamp(16px,3.5vw,42px)}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dfe7e0;gap:12px}.brand{display:flex;align-items:center;gap:12px}.brand-icon{display:flex;align-items:center;justify-content:center;width:43px;height:43px;border-radius:13px;background:#153d38;color:#fff;font-size:16px;letter-spacing:-1px;font-weight:900;box-shadow:0 6px 16px #153d381d}.brand-icon span{color:#e3a45f}.brand-copy{display:grid;gap:0}.brand-copy strong{font-size:20px;letter-spacing:-.9px;line-height:1.13}.brand-copy small{color:#79918b;font-size:9px;font-weight:800;letter-spacing:1.65px;margin-top:5px}.pill{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;border:1px solid #d7e4da;background:#e9f1e9;color:#366a4d;border-radius:99px;padding:7px 11px;font-size:12px;font-weight:750}.pill-dot{width:7px;height:7px;border-radius:50%;background:#399965;box-shadow:0 0 0 3px #bfe5c9}main{padding-bottom:32px}.intro{padding:40px 0 24px;max-width:680px}.eyebrow{margin:0 0 12px;font-size:10px;letter-spacing:2.4px;font-weight:800;color:#427e6d}.intro h1{font-size:clamp(32px,5vw,56px);line-height:1.08;letter-spacing:-1.8px;margin:0;font-weight:820}.intro h1 span{color:#277262}.intro>p:not(.eyebrow){max-width:560px;color:#637571;line-height:1.6;margin:16px 0 0;font-size:15px}.model-bar{background:#fff;border:1px solid #e2e8e1;border-radius:17px;box-shadow:0 6px 30px #243f3309;display:grid;grid-template-columns:minmax(220px,1fr) auto;align-items:center;column-gap:20px;row-gap:6px;padding:16px 20px;margin-bottom:20px}.model-bar label{font-weight:800;color:#233e36;font-size:14px}.model-bar select{appearance:none;-webkit-appearance:none;width:100%;height:46px;border:1px solid #d3ded7;border-radius:10px;background:#f8faf8;color:#183c32;padding:10px 40px 10px 13px;font-weight:700;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23577369' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 13px center;background-repeat:no-repeat}.bar-hint{font-size:12px;color:#91a29a}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:20px;align-items:start}.controls-panel,.preview-panel{background:#fff;border:1px solid #e0e7e0;border-radius:18px;box-shadow:0 8px 30px #173e2e0b;min-width:0;padding:24px}.preview-panel{position:sticky;top:15px}.panel-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:18px}.step{display:grid;place-items:center;width:35px;height:35px;flex:0 0 35px;background:#e4f0e8;border-radius:11px;color:#29725f;font-size:12px;font-weight:850}.panel-heading h2{font-size:18px;line-height:1.2;letter-spacing:-.5px;margin:2px 0 5px}.panel-heading p{font-size:12px;color:#81918a;margin:0;line-height:1.5}.model-description{font-size:13px;color:#61756d;line-height:1.6;margin:0 0 18px}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.fields label{display:flex;flex-direction:column;gap:7px;color:#3d534b;font-size:12px;font-weight:750;line-height:1.4}.fields label.full-field{grid-column:1/-1}input{width:100%;min-width:0;height:46px;border:1px solid #d8e2da;border-radius:10px;padding:10px 12px;color:#193f35;background:#fbfcfa;font-size:15px;font-weight:650;outline:none;transition:border-color .15s,box-shadow .15s}input::placeholder{font-weight:450;color:#99aaa0;font-size:13px}input:focus,select:focus{border-color:#368a73;box-shadow:0 0 0 3px #4eab8624;outline:none}.notice{background:#f9f5e9;border:1px solid #ede1c6;border-left:3px solid #dbac60;border-radius:9px;padding:11px 13px;color:#6f6148;font-size:12px;line-height:1.55;margin:18px 0 0}.hint{background:#edf4f0;border-radius:9px;padding:11px 13px;color:#296454;font-size:12px;line-height:1.55;margin:16px 0 0}.actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:24px}button{min-height:48px;border:0;border-radius:11px;padding:10px 16px;font-weight:780;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:filter .15s,transform .15s}button:not(:disabled):active{transform:translateY(1px)}button.primary{background:#1e6959;color:#fff;box-shadow:0 6px 16px #1e69592d}button.primary:hover{filter:brightness(1.08)}button.secondary{background:#e8f0eb;color:#225c4f;border:1px solid #cde0d5}button.secondary:not(:disabled):hover{background:#dcece2}button:disabled{opacity:.48;box-shadow:none}.viewer-shell{position:relative;border:1px solid #d9e4df;border-radius:13px;overflow:hidden;background:linear-gradient(150deg,#e9f1ec,#d9e8e2)}#view{width:100%;height:clamp(300px,38vw,480px);min-height:300px;touch-action:none}#view canvas{display:block;width:100%;height:100%}.preview-label{pointer-events:none;position:absolute;left:14px;top:14px;border-radius:7px;background:#fffc;border:1px solid #ffffffa8;color:#567c70;padding:7px 10px;font-size:9px;letter-spacing:1.2px;font-weight:850}.no-preview{display:grid;place-items:center;text-align:center;padding:20px;color:#59746b;line-height:1.5;font-size:13px}#status{margin:14px 0 0;min-height:43px;display:flex;align-items:center;padding:10px 13px;border-radius:10px;background:#eef5f0;color:#2d6650;font-size:13px;line-height:1.5}#status[data-tone=error]{background:#fff0ed;color:#9d4435}.preview-footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:#8a9a92;font-size:11px;margin-top:15px}.site-footer{border-top:1px solid #e0e7df;color:#87988d;font-size:11px;padding:20px 0 34px;display:flex;justify-content:space-between;gap:12px}@media(max-width:800px){.topbar{height:72px}.intro{padding:28px 0 22px}.intro h1{font-size:clamp(32px,7vw,43px)}.model-bar{grid-template-columns:1fr;gap:9px;padding:16px}.bar-hint{grid-column:1}.workspace{display:flex;flex-direction:column;gap:14px}.preview-panel{order:0;position:static;width:100%}.controls-panel{order:1;width:100%}.controls-panel,.preview-panel{padding:18px}#view{height:300px;min-height:300px}.site-footer{flex-direction:column;gap:4px}}@media(max-width:390px){.app-shell{padding:0 12px}.fields{gap:13px 9px}.fields label{font-size:11px}.intro>p:not(.eyebrow){font-size:14px}.pill{font-size:11px}.brand-copy strong{font-size:19px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}