:root{--bg: #f5f4f1;--panel: #ffffff;--ink: #1c1b1a;--muted: #6b6864;--border: #ddd9d3;--accent: #1c1b1a;--accent-fg: #ffffff;font-family:Calibri,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}#app{max-width:780px;margin:0 auto;padding:48px 24px 96px}header h1{font-size:1.5rem;margin:0 0 4px}header p{color:var(--muted);margin:0 0 32px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:24px;margin-bottom:20px}.panel h2{font-size:1rem;margin:0 0 14px}label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;margin-top:14px}label:first-child{margin-top:0}textarea,input[type=text]{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink)}textarea{min-height:160px;resize:vertical}.hint{font-size:.8rem;color:var(--muted);margin-top:4px;font-weight:400}.toggle-group{display:flex;gap:8px;flex-wrap:wrap}.toggle-group button{flex:1;min-width:140px;padding:10px 14px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--ink);cursor:pointer;font-size:.88rem;text-align:left}.toggle-group button .sub{display:block;font-weight:400;color:var(--muted);font-size:.78rem;margin-top:2px}.toggle-group button.active{border-color:var(--accent);background:var(--accent);color:var(--accent-fg)}.toggle-group button.active .sub{color:#d9d9d9}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.counterparty-fields{border-top:1px solid var(--border);margin-top:16px;padding-top:4px}button.primary{width:100%;padding:14px;font-size:1rem;font-weight:600;border:none;border-radius:8px;background:var(--accent);color:var(--accent-fg);cursor:pointer;margin-top:8px}button.primary:disabled{opacity:.5;cursor:not-allowed}.status{margin-top:14px;font-size:.88rem;color:var(--muted)}.status.error{color:#b3261e}.status.success{color:#1e7a34}