:root{--bg: #f6f7fb;--card: #ffffff;--text: #18181b;--muted: #6b7280;--primary: #0b5cff;--danger: #dc2626;--success: #16a34a;--border: #e5e7eb}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px}.container{max-width:560px;margin:0 auto;padding:16px}.header{padding:12px 16px;background:var(--primary);color:#fff;font-weight:600}.header .sub{font-size:12px;opacity:.8;font-weight:400}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:10px}.card h3{margin:0 0 6px;font-size:16px}.card .meta{color:var(--muted);font-size:13px;margin-bottom:10px}.btn{display:inline-block;padding:10px 14px;background:var(--primary);color:#fff;border:0;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none}.btn.secondary{background:#e5e7eb;color:var(--text)}.btn.danger{background:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.input{display:block;width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;font-size:15px;margin-bottom:4px;background:#fff;box-sizing:border-box}.input.valid{border-color:#16a34a}.input.error{border-color:#dc2626}.field-hint{font-size:13px;margin-bottom:8px}.field-hint.success{color:#16a34a}.field-hint.error{color:#dc2626}.label{font-size:13px;color:var(--muted);margin-bottom:4px}.sig-pad{border:2px dashed var(--border);background:#fff;border-radius:8px;width:100%;touch-action:none;height:260px}.row{display:flex;gap:8px}.row>*{flex:1}.alert{padding:10px;border-radius:8px;margin-bottom:12px;font-size:14px}.alert.error{background:#fee2e2;color:var(--danger)}.alert.info{background:#dbeafe;color:#1e40af}.alert.success{background:#dcfce7;color:var(--success)}.gps{font-size:12px;color:var(--muted)}.empty{text-align:center;padding:40px 12px;color:var(--muted)}.tabs{display:flex;gap:0;margin-bottom:12px;background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden}.tab{flex:1;padding:10px;border:0;background:transparent;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer}.tab.active{background:var(--primary);color:#fff}.filters{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:12px}.filters .input{margin-bottom:8px}.filters .row{gap:8px;margin-bottom:8px}.meta.small{font-size:12px;margin-top:2px;margin-bottom:2px}.meta.small a{color:var(--primary)}.sent-badge{color:#16a34a;font-weight:600}.sign-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#0f172ab8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#fff;text-align:center;padding:24px}.sign-overlay-text{font-size:18px;font-weight:600}.sign-overlay-sub{font-size:14px;opacity:.85}.spinner{width:56px;height:56px;border-radius:50%;border:5px solid rgba(255,255,255,.25);border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}