:root{color-scheme:light;--bg:#f7f7fb;--panel:#fff;--panel-2:#f0efff;--text:#191825;--muted:#6f6c7d;--border:#dedce9;--accent:#6d5dfc;--accent-2:#5142d6;--shadow:0 18px 60px rgba(35,28,87,.12);--checker:#e7e7ec}
html[data-theme="dark"]{color-scheme:dark;--bg:#111117;--panel:#1b1b24;--panel-2:#242238;--text:#f7f6ff;--muted:#aaa7b8;--border:#363443;--accent:#9185ff;--accent-2:#b2aaff;--shadow:0 18px 60px rgba(0,0,0,.35);--checker:#30303a}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0%,var(--panel-2),transparent 32rem),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}.site-header{height:70px;padding:0 max(22px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800;font-size:1.1rem}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;color:#fff;background:linear-gradient(135deg,var(--accent),#a557ff)}.header-actions{display:flex;align-items:center;gap:10px}.badge{font-size:.78rem;padding:6px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);background:var(--panel)}.icon-button,.secondary-button,.primary-button,select,input{font:inherit}.icon-button{width:38px;height:38px;border-radius:11px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer}main{width:min(1180px,calc(100% - 32px));margin:auto}.hero{text-align:center;padding:72px 10px 38px}.eyebrow{display:inline-block;color:var(--accent-2);font-weight:800;text-transform:uppercase;letter-spacing:.13em;font-size:.75rem}.hero h1{font-size:clamp(2.2rem,6vw,4.6rem);line-height:1.02;letter-spacing:-.055em;max-width:850px;margin:15px auto}.hero p{max-width:720px;margin:0 auto;color:var(--muted);font-size:1.1rem}.tool-shell{background:var(--panel);border:1px solid var(--border);border-radius:26px;padding:18px;box-shadow:var(--shadow)}.drop-zone{min-height:340px;border:2px dashed color-mix(in srgb,var(--accent) 55%,var(--border));border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;background:linear-gradient(145deg,color-mix(in srgb,var(--panel-2) 55%,transparent),transparent);transition:.2s}.drop-zone.dragging{transform:scale(.995);border-color:var(--accent);background:var(--panel-2)}.upload-icon{width:70px;height:70px;border-radius:22px;display:grid;place-items:center;background:var(--accent);color:#fff;font-size:2rem;font-weight:800}.drop-zone h2{margin:18px 0 4px}.drop-zone p,.drop-zone small{color:var(--muted)}.primary-button,.secondary-button{border:0;border-radius:12px;padding:11px 16px;font-weight:750;cursor:pointer}.primary-button{background:var(--accent);color:#fff;margin:14px}.primary-button:hover{background:var(--accent-2)}.secondary-button{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}.toolbar{display:flex;gap:15px;align-items:end;flex-wrap:wrap;padding:18px 2px 2px}.toolbar label{font-size:.8rem;color:var(--muted);display:grid;gap:6px}.toolbar select{min-width:160px}.toolbar select,.toolbar input[type="color"]{height:42px;border:1px solid var(--border);border-radius:10px;background:var(--panel);color:var(--text);padding:0 10px}.toolbar input[type="range"]{accent-color:var(--accent)}.toolbar .secondary-button{margin-left:auto}.status-panel{margin:18px 0 2px;padding:14px;border-radius:14px;background:var(--panel-2)}.status-line{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:8px}progress{width:100%;height:9px;accent-color:var(--accent)}.results{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:18px}.result-card{border:1px solid var(--border);border-radius:18px;overflow:hidden;background:var(--panel)}.image-stage{aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;background-color:#fff;background-image:linear-gradient(45deg,var(--checker) 25%,transparent 25%),linear-gradient(-45deg,var(--checker) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--checker) 75%),linear-gradient(-45deg,transparent 75%,var(--checker) 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}.image-stage img{width:100%;height:100%;object-fit:contain}.card-body{padding:14px}.file-name{font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{color:var(--muted);font-size:.8rem;margin:4px 0 12px}.card-actions{display:flex;gap:8px}.card-actions button,.card-actions a{flex:1;text-align:center;text-decoration:none;border-radius:10px;padding:9px 10px;font-size:.88rem;font-weight:750}.download{background:var(--accent);color:#fff}.remove{border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer}.error-card{padding:18px;border:1px solid #d85d67;border-radius:16px;background:color-mix(in srgb,#d85d67 10%,var(--panel));color:var(--text)}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:40px 0}.info-grid article,.disclosure{padding:24px;border:1px solid var(--border);border-radius:20px;background:var(--panel)}.info-grid h3,.disclosure h2{margin-top:0}.info-grid p,.disclosure p{color:var(--muted);margin-bottom:0}.disclosure{margin-bottom:40px}footer{display:flex;justify-content:space-between;gap:20px;padding:28px max(22px,calc((100vw - 1180px)/2));border-top:1px solid var(--border);color:var(--muted)}@media(max-width:760px){.badge{display:none}.hero{padding-top:50px}.tool-shell{padding:10px}.drop-zone{min-height:300px}.toolbar{align-items:stretch}.toolbar label{width:100%}.toolbar .secondary-button{margin-left:0}.info-grid{grid-template-columns:1fr}footer{flex-direction:column}}