:root{--bg: #f4f6fa;--panel: #ffffff;--ink: #0b1f3a;--muted: #6b7689;--line: #e2e7ef;--accent: #0aa3c2;--accent-ink: #ffffff;--field: #fff4d6;--field-line: #e0b53a;--field-done: #e8f7ee;--field-done-line: #46b977}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:DM Sans,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:baseline;gap:12px;padding:14px 20px;background:var(--ink);color:#fff}.brand{font-weight:700;letter-spacing:.3px}.secure{color:#9fb2cc!important;font-size:13px}main{flex:1;padding:28px 16px}.muted{color:var(--muted)}.center{text-align:center}.row,.signbar-actions{display:flex;gap:10px;align-items:center}.row{justify-content:center;margin-top:18px}.card{max-width:540px;margin:6vh auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:34px;box-shadow:0 10px 40px #0b1f3a0f}.card h2{margin:0 0 6px}.consent-box{margin:20px 0 6px;padding:16px;background:#f7f9fc;border:1px solid var(--line);border-radius:10px;font-size:14px;line-height:1.55;text-align:left;color:#33415a}.check{width:56px;height:56px;border-radius:50%;margin:0 auto 14px;background:var(--field-done);color:var(--field-done-line);display:grid;place-items:center;font-size:30px;font-weight:700}.btn{border:1px solid transparent;border-radius:9px;padding:11px 18px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}.btn.sm{padding:8px 14px;font-size:14px}.btn.primary{background:var(--accent);color:var(--accent-ink)}.btn.primary:disabled{background:#b8d8e0;cursor:not-allowed}.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink)}.link-btn{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px}.signbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;max-width:860px;margin:0 auto 18px;box-shadow:0 6px 20px #0b1f3a0d}.signbar-actions{flex-wrap:wrap;justify-content:flex-end}.doc{display:flex;flex-direction:column;align-items:center;gap:18px}.page{position:relative;background:#fff;box-shadow:0 2px 14px #0b1f3a1f}.page canvas{display:block;width:100%;height:100%}.field{position:absolute;cursor:pointer;padding:0;background:var(--field);border:1.5px dashed var(--field-line);border-radius:4px;display:grid;place-items:center;overflow:hidden}.field.filled{background:var(--field-done);border-style:solid;border-color:var(--field-done-line)}.field img{width:100%;height:100%;object-fit:contain}.field-tag{font-size:12px;font-weight:700;color:#8a6d12}.field-text{font-size:13px;color:var(--ink);padding:0 4px}.doc-error{max-width:540px;margin:10vh auto;text-align:center;color:var(--muted)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b1f3a73;display:grid;place-items:center;z-index:50;padding:16px}.modal{background:#fff;border-radius:14px;padding:22px;width:min(520px,100%)}.modal h3{margin:0 0 14px}.tabs{display:flex;gap:6px;margin-bottom:14px}.tab{flex:1;padding:9px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-weight:600;color:var(--muted)}.tab.active{border-color:var(--accent);color:var(--accent)}.pad-wrap{display:flex;flex-direction:column;gap:6px}.sig-canvas{width:100%;height:180px;border:1px solid var(--line);border-radius:8px;background:#fcfdff;touch-action:none}.type-input{width:100%;padding:14px;font-size:28px;border:1px solid var(--line);border-radius:8px;font-family:Brush Script MT,Segoe Script,cursive;color:var(--ink)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}