/* ─── MODALS ─── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:500;display:none;align-items:center;justify-content:center;padding:16px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:20px;max-width:520px;width:100%;box-shadow:var(--shadow-lg);overflow:hidden;animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.modal-header{padding:24px 28px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:18px;font-weight:700}
.modal-close{font-size:20px;cursor:pointer;color:var(--ink-muted);background:none;border:none;transition:color .2s}
.modal-close:hover{color:var(--ink)}
.modal-body{padding:24px 28px}
.modal-footer{padding:16px 28px 24px;display:flex;gap:10px;justify-content:flex-end}
.send-option{border:2px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:14px;margin-bottom:10px}
.send-option:hover{border-color:var(--accent);background:var(--accent-light)}
.send-option.selected{border-color:var(--accent);background:var(--accent-light)}
.send-option-icon{font-size:28px}
.send-option-title{font-size:15px;font-weight:700}
.send-option-sub{font-size:13px;color:var(--ink-muted)}
.link-box{display:flex;align-items:center;gap:8px;background:var(--paper);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;margin-top:12px}
.link-box span{flex:1;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ─── SIGN PAGE ─── */
#signPage{display:none;position:fixed;inset:0;background:var(--paper);z-index:300;flex-direction:column}
#signPage.show{display:flex}
.sign-header{background:var(--ink);color:#fff;padding:16px 20px;display:flex;align-items:center;gap:14px;flex-shrink:0}
.sign-header-logo{width:36px;height:36px;background:var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px}
.sign-header-info h2{font-size:16px;font-weight:700}
.sign-header-info p{font-size:12px;color:rgba(255,255,255,.5)}
.sign-progress{padding:12px 20px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;flex-shrink:0;flex-wrap:wrap}
.progress-step{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--ink-muted)}
.progress-step.active{color:var(--accent);font-weight:700}
.progress-step.done{color:var(--success)}
.progress-dot{width:24px;height:24px;border-radius:50%;border:2px solid currentColor;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.progress-line{width:40px;height:2px;background:var(--border)}
.progress-line.done{background:var(--success)}
.sign-body{flex:1;overflow-y:auto}
.details-form-wrap{max-width:500px;margin:0 auto;padding:32px 20px}
.details-form-wrap h3{font-size:22px;font-weight:800;margin-bottom:8px}
.details-form-wrap p{color:var(--ink-muted);margin-bottom:28px;font-size:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.form-group label{font-size:13px;font-weight:600;color:var(--ink-soft)}
.form-group input{padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:'Heebo',sans-serif;font-size:15px;outline:none;transition:border .2s}
.form-group input:focus{border-color:var(--accent)}
.google-autofill-btn{width:100%;padding:12px;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:600;cursor:pointer;font-family:'Heebo',sans-serif;transition:all .2s;margin-bottom:20px}
.google-autofill-btn:hover{border-color:#4285f4;background:#f0f4ff}
.doc-view-wrap{max-width:800px;margin:0 auto;padding:20px}
.sign-field-highlight{position:absolute;animation:pulse 1.5s infinite;border:3px solid #7c3aed;background:rgba(124,58,237,.15);border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(124,58,237,.4)}50%{box-shadow:0 0 0 8px rgba(124,58,237,0)}}
.sign-field-btn{background:#7c3aed;color:#fff;border:none;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:700;cursor:pointer;font-family:'Heebo',sans-serif;white-space:nowrap}

/* ─── SIGNATURE CANVAS ─── */
.sig-canvas-wrap{border:2px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:#fff;touch-action:none}
#sigCanvas{display:block;width:100%;cursor:crosshair}
.sig-tabs{display:flex;gap:4px;margin-bottom:16px;background:var(--paper);border-radius:var(--radius-sm);padding:4px}
.sig-tab{flex:1;padding:9px;text-align:center;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;color:var(--ink-muted);transition:all .2s}
.sig-tab.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);font-weight:700}