:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#17191f;background:#f7f7f5;--accent: #111318;--muted: #747983;--border: #dedfdc}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;min-height:100vh;padding-bottom:85px;background:radial-gradient(circle at 15% 0%,rgba(255,255,255,.95),transparent 35%),radial-gradient(circle at 90% 20%,rgba(226,230,236,.55),transparent 32%),#f7f7f5}button{font:inherit}.app-shell{width:min(100% - 24px,980px);margin:0 auto;padding:16px 0 24px}.topbar{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px}.brand-name{font-weight:800;letter-spacing:-.4px;font-size:16px}.brand-subtitle{font-size:11px;color:var(--muted);margin-top:1px}.privacy-pill{font-size:12px;color:#555a64;background:#ffffffd9;border:1px solid var(--border);border-radius:999px;padding:6px 12px;font-weight:500}.hero{text-align:center;padding:30px 10px 20px}.eyebrow{display:inline-block;font-size:11px;font-weight:800;letter-spacing:1.5px;color:#686d76;margin-bottom:8px}.hero h1{font-size:clamp(28px,6vw,56px);line-height:1.05;letter-spacing:-1.5px;margin:0;font-weight:850}.hero h1 span{color:#747983}.hero p{max-width:500px;margin:10px auto 0;color:#686d76;line-height:1.5;font-size:14px}.workspace{margin:0 auto}.dropzone{min-height:240px;border:2px dashed #c8cac7;border-radius:20px;background:#ffffffe6;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px 16px;cursor:pointer;touch-action:manipulation;transition:transform .15s ease,border-color .15s ease}.dropzone:hover,.dropzone.dragging{border-color:#767b84;background:#fff;transform:scale(.995)}.upload-icon{width:50px;height:50px;border-radius:14px;background:#f0f1ef;display:grid;place-items:center;font-size:24px;margin-bottom:10px}.dropzone h2{margin:0;font-size:19px;letter-spacing:-.4px}.dropzone p{margin:6px 0 14px;color:var(--muted);font-size:13px}.formats{margin-top:12px;font-size:11px;color:#969aa0}.primary-btn,.secondary-btn,.download-btn{border:0;cursor:pointer;border-radius:12px;padding:12px 20px;font-weight:700;font-size:14px;transition:.15s ease}.primary-btn,.download-btn{color:#fff;background:#15171d}.primary-btn:active,.download-btn:active:not(:disabled){transform:scale(.98)}.secondary-btn{background:#f1f2f0;color:#333740;padding:8px 14px;font-size:13px}.status{margin-top:16px;padding:14px 16px;border:1px solid var(--border);background:#fff;border-radius:16px}.status-info{display:flex;align-items:center;gap:12px;margin-bottom:8px}.status strong{display:block;font-size:13px}.status-info div div{font-size:12px;color:var(--muted);margin-top:2px}.progress-track{height:6px;width:100%;background:#edf0f2;border-radius:99px;overflow:hidden}.progress-fill{width:0%;height:100%;background:#15171d;transition:width .2s ease-out}.spinner{width:18px;height:18px;border:2.5px solid #e1e2df;border-top-color:#17191f;border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.editor{margin-top:16px;background:#fff;border:1px solid var(--border);border-radius:20px;padding:16px}.editor-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.truncate{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0;font-size:13px;font-weight:600;color:var(--muted)}.preview-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px}.preview-card{min-width:0}.preview-label{font-size:10px;font-weight:800;letter-spacing:1.2px;color:#8a8e95;margin:0 0 6px 2px}.preview-frame{height:280px;border-radius:14px;overflow:hidden;display:grid;place-items:center;background:#f1f2f0;position:relative}.preview-frame img{max-width:100%;max-height:100%;display:block;object-fit:contain}.checkerboard{background-color:#fff;background-image:linear-gradient(45deg,#e8e9eb 25%,transparent 25%),linear-gradient(-45deg,#e8e9eb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e8e9eb 75%),linear-gradient(-45deg,transparent 75%,#e8e9eb 75%);background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0}.result-placeholder{color:#8a8e95;font-size:13px;text-align:center;padding:20px}.controls-bar{position:fixed;bottom:0;left:0;right:0;background:#fffffff0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border);padding:12px 18px;display:flex;justify-content:space-between;align-items:center;z-index:99}.control-group{display:flex;align-items:center;gap:8px}.control-label{font-size:12px;color:#6f747c}.swatches{display:flex;gap:6px}.swatch{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer;box-shadow:inset 0 0 0 1px #0000001a;background-color:transparent;background-image:linear-gradient(45deg,#ddd 25%,transparent 25%),linear-gradient(-45deg,#ddd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ddd 75%),linear-gradient(-45deg,transparent 75%,#ddd 75%);background-size:6px 6px}.swatch.active{border-color:#15171d}.swatch.white{background:#fff}.swatch.light{background:#eef1f5}.swatch.dark{background:#1d2330}.download-btn{padding:12px 18px}.download-btn:disabled{opacity:.35;cursor:not-allowed}.hidden{display:none!important}footer{display:flex;justify-content:center;gap:8px;color:#979ba1;font-size:11px;padding:24px 0 8px}@media(min-width:768px){body{padding-bottom:0}.app-shell{padding:26px 0 28px}.preview-grid{grid-template-columns:1fr 1fr;gap:16px}.preview-frame{height:420px}.controls-bar{position:static;background:transparent;border-top:1px solid #ececea;padding:16px 0 0;margin-top:16px;backdrop-filter:none;-webkit-backdrop-filter:none}}