.upsc-sig-app{--up-p:#0369a1;--up-s:#059669;--up-e:#e11d48;--up-bg:#f8fafc;--up-surf:#ffffff;--up-txt:#0f172a;--up-mut:#64748b;--up-bor:#e2e8f0;--up-rad:16px;width:100%;max-width:500px;margin:20px auto;background:#fff0;border-radius:var(--up-rad);overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--up-txt)}.upsc-sig-app *,.upsc-sig-app *::before,.upsc-sig-app *::after{box-sizing:border-box}.upsc-sig-header{padding:10px;text-align:center}.upsc-sig-title{font-size:1.25rem;margin:0;color:var(--up-p);font-weight:800;letter-spacing:-.5px}.upsc-sig-subtitle{font-size:.75rem;color:var(--up-mut);margin:5px 0 0}.upsc-sig-upload-area{padding:50px 20px;display:flex;flex-direction:column;align-items:center}.upsc-sig-dropzone{width:100%;padding:40px 20px;border:2px solid var(--up-p);border-radius:20px;text-align:center;cursor:pointer;background:radial-gradient(circle at top left,#fde68a 0%,transparent 40%),radial-gradient(circle at bottom right,#fcd34d 0%,transparent 40%),linear-gradient(145deg,#facc15 0%,#ca8a04 100%);box-shadow:0 10px 28px rgb(202 138 4 / .22);transition:transform 0.2s ease,border-color 0.2s ease}.upsc-sig-dropzone:hover{transform:translateY(-2px);border-color:#fef08a;box-shadow:none}.upsc-sig-dropzone svg{width:44px;height:44px;color:var(--up-p);margin-bottom:12px}.upsc-sig-dropzone b{display:block;font-size:1rem;color:#fff;margin-bottom:5px}.upsc-sig-dropzone span{font-size:.75rem;color:#fffbea}.upsc-sig-editor{display:none;flex-direction:column;opacity:0;transition:opacity 0.3s}.upsc-sig-workspace{position:relative;width:100%;height:350px;background:#111;overflow:hidden}#upsc-sig-img-el{display:block;max-width:100%}.upsc-sig-badge-stack{position:absolute;top:10px;left:10px;z-index:10;display:flex;flex-direction:column;gap:6px;pointer-events:none}.upsc-sig-chip{background:rgb(255 255 255 / .95);padding:5px 12px;border-radius:20px;font-size:10px;font-weight:800;display:flex;align-items:center;gap:6px;box-shadow:0 2px 6px rgb(0 0 0 / .1)}.upsc-sig-dot{width:7px;height:7px;border-radius:50%;background:#94a3b8}.upsc-sig-preview-mini{position:absolute;right:10px;bottom:10px;width:80px;height:80px;border:2px solid #fff;border-radius:4px;z-index:10;background:#fff;box-shadow:0 4px 10px rgb(0 0 0 / .3)}#upsc-sig-prev-canvas{width:100%;height:100%;object-fit:contain}.upsc-sig-controls{padding:16px;background:#fff;border-top:1px solid var(--up-bor)}.upsc-sig-row{margin-bottom:12px}.upsc-sig-row label{display:flex;justify-content:space-between;font-size:10px;font-weight:700;color:var(--up-mut);text-transform:uppercase;margin-bottom:6px}.upsc-sig-row span{color:var(--up-p)}.upsc-sig-app input[type="range"]{width:100%;height:6px;background:#e2e8f0;border-radius:10px;appearance:none;outline:none;margin:8px 0}.upsc-sig-app input[type="range"]::-webkit-slider-thumb{appearance:none;width:22px;height:22px;background:var(--up-p);border:4px solid #fff;border-radius:50%;box-shadow:0 2px 5px rgb(0 0 0 / .15)}.upsc-sig-btns{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:5px}.upsc-sig-btn{border:none;padding:14px 4px;border-radius:12px;font-size:11px;font-weight:800;cursor:pointer;text-align:center;transition:0.2s}.upsc-sig-btn:active{transform:scale(.96)}.upsc-sig-btn-tune{background:#e0f2fe;color:var(--up-p)}.upsc-sig-btn-reset{background:#f1f5f9;color:var(--up-mut)}.upsc-sig-btn-dl{background:var(--up-s);color:#fff;box-shadow:0 4px 10px rgb(5 150 105 / .2)}.upsc-sig-sheet-overlay{position:fixed;inset:0;background:rgb(0 0 0 / .4);opacity:0;pointer-events:none;transition:0.3s;z-index:9998}.upsc-sig-sheet-overlay.active{opacity:1;pointer-events:auto}.upsc-sig-sheet{position:fixed;left:0;right:0;bottom:0;background:#fff;border-radius:20px 20px 0 0;padding:25px;transform:translateY(100%);transition:0.3s cubic-bezier(.4,0,.2,1);z-index:9999}.upsc-sig-sheet.active{transform:translateY(0)}.upsc-sig-sheet-head{display:flex;justify-content:space-between;margin-bottom:25px;font-weight:800;color:var(--up-p)}.upsc-sig-hide{display:none!important}