:root{--ink:#182235;--muted:#6e788b;--line:#e1e6ef;--paper:#fff;--bg:#f5f7fb;--blue:#4d55d9;--blue-soft:#eef0ff;--green:#29a36a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',sans-serif}.shell{width:min(100% - 32px,960px);margin:0 auto;padding:28px 0 44px}.topbar{display:flex;align-items:center;gap:12px}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);display:grid;place-items:center;color:white;font-size:22px;box-shadow:0 7px 18px #4d55d933}.eyebrow{font-size:10px;letter-spacing:.14em;font-weight:700;color:var(--blue);margin:0 0 2px}.topbar h1{font:700 20px 'Space Grotesk';margin:0}.step-badge{margin-left:auto;border:1px solid var(--line);border-radius:20px;padding:8px 12px;color:var(--blue);font-weight:700;font-size:13px}.step-badge span{color:var(--muted);font-weight:400}.intro{margin:42px 0 25px}.intro h2{font:700 clamp(27px,5vw,42px) 'Space Grotesk';letter-spacing:-.04em;margin:0 0 9px}.intro p{color:var(--muted);margin:0;max-width:500px;font-size:15px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card{background:var(--paper);border:1px solid #e8ebf2;border-radius:20px;padding:22px;box-shadow:0 7px 30px #26334b08}.signature-card{grid-column:1/-1}.section-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:20px}.number{font:700 12px 'Space Grotesk';color:var(--blue);background:var(--blue-soft);border-radius:9px;padding:7px 6px}.section-heading h3,.preview-head h3{font:600 17px 'Space Grotesk';margin:0 0 4px}.section-heading p{color:var(--muted);font-size:12px;margin:0}.dropzone{min-height:125px;border:1.5px dashed #bdc5ee;background:#fafaff;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;text-align:center;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.dragging{background:#f0f1ff;border-color:var(--blue)}.dropzone input,.image-panel input{display:none}.upload-icon{height:35px;width:35px;border-radius:11px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:24px}.dropzone strong{font-size:13px}.dropzone small{font-size:11px;color:var(--muted)}.fields{display:grid;gap:13px}.fields label{font-size:11px;font-weight:700;color:#59647a}.fields input{display:block;width:100%;margin-top:6px;border:1px solid var(--line);border-radius:10px;padding:12px 13px;font:14px 'DM Sans';color:var(--ink);outline:0;background:#fcfdff}.fields input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #4d55d91a}.signature-tabs{display:flex;gap:5px;margin:-3px 0 12px;background:#f5f6fa;padding:4px;border-radius:10px;width:max-content}.tab{border:0;background:transparent;color:var(--muted);font:600 12px 'DM Sans';padding:8px 12px;border-radius:7px;cursor:pointer}.tab.active{background:#fff;color:var(--ink);box-shadow:0 2px 8px #19233c12}.signature-panel{height:155px;border:1px solid var(--line);border-radius:13px;position:relative;background:linear-gradient(#fff,#fbfcff)}#signatureCanvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}.canvas-hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#b6bdca;font-size:13px;pointer-events:none}.clear-button{position:absolute;right:10px;bottom:8px;border:0;background:#f0f2f6;color:var(--muted);border-radius:7px;padding:5px 8px;font-size:11px;cursor:pointer}.image-panel{display:grid;place-items:center;background:#fbfcff}.image-upload{text-align:center;display:flex;flex-direction:column;gap:4px;cursor:pointer;color:var(--blue)}.image-upload span{font-size:27px}.image-upload b{font-size:13px}.image-upload small{color:var(--muted);font-size:11px}.signature-preview{margin-top:10px;display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px}.signature-preview img{height:42px;max-width:150px;object-fit:contain;border:1px solid var(--line);border-radius:7px}.signature-preview button{border:0;background:transparent;color:#d05252;font-size:11px;cursor:pointer}.preview-card{margin-top:16px;padding:18px}.preview-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.preview-head h3{margin-top:3px}.status{font-size:11px;color:var(--muted);background:#f2f4f7;padding:6px 9px;border-radius:20px}.status.ready{color:var(--green);background:#eaf8f1}.pdf-frame{background:#edf0f5;min-height:250px;border-radius:12px;display:grid;place-items:center;overflow:auto;padding:14px}.pdf-frame canvas{width:min(100%,560px);height:auto;box-shadow:0 5px 15px #1c29401c}.empty-preview{text-align:center;color:#9aa4b5;font-size:12px}.empty-preview span{font-size:28px;display:block;margin-bottom:8px}.empty-preview p{margin:0}.download-button{width:100%;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:15px;margin-top:16px;font:600 14px 'DM Sans';cursor:pointer;box-shadow:0 8px 20px #4d55d933}.download-button:disabled{background:#c5cad8;box-shadow:none;cursor:not-allowed}.download-button span{font-size:20px;vertical-align:-2px;margin-right:7px}.privacy{text-align:center;color:#929bad;font-size:11px;margin:13px 0}.privacy span{font-size:16px;vertical-align:-1px}.hidden{display:none!important}@media(max-width:640px){.shell{width:min(100% - 22px,560px);padding-top:18px}.intro{margin-top:31px}.workspace{display:flex;flex-direction:column}.card{padding:18px;border-radius:17px}.signature-card{order:3}.preview-card{margin-top:12px}.pdf-frame{min-height:200px;padding:8px}.section-heading{margin-bottom:16px}}