.vai-chi{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;display:flex;justify-content:center;padding:16px}
.vai-chi-card{width:100%;max-width:520px;background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.06);overflow:hidden}
.vai-chi-header{padding:18px 18px 10px;background:linear-gradient(180deg,#f8fafc,transparent);display:flex;justify-content:space-between;gap:12px}
.vai-chi-brand{display:flex;gap:12px;align-items:center}
.vai-chi-badge{width:44px;height:44px;border-radius:12px;background:#13a4ec;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;letter-spacing:.5px}
.vai-chi-title{font-weight:800;font-size:15px;line-height:1.2;color:#0f172a}
.vai-chi-subtitle{font-size:12px;color:#64748b;margin-top:2px}
.vai-chi-link{border:0;background:transparent;color:#0ea5e9;font-weight:700;cursor:pointer;padding:6px 8px;border-radius:10px}
.vai-chi-link:hover{background:#e0f2fe}
.vai-chi-info{padding:0 18px 10px;color:#334155}
.vai-chi-divider{height:1px;background:#e5e7eb;margin:10px 0 0}
.vai-chi-steps{padding:14px 18px 18px}
.step-top{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:12px}
.step-n{font-size:12px;color:#64748b;font-weight:700}
.step-name{font-size:16px;color:#0f172a;font-weight:800}
.vai-chi-field{margin-bottom:14px}
.vai-chi-field label{display:block;font-size:13px;font-weight:700;color:#334155;margin-bottom:6px}
.vai-chi-input{width:100%;padding:12px 12px;border-radius:12px;border:1px solid #e2e8f0;background:#fff;outline:none;font-size:15px}
.vai-chi-input:focus{border-color:#13a4ec;box-shadow:0 0 0 4px rgba(19,164,236,.15)}
.vai-chi-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.vai-chi-row{grid-template-columns:1fr}}
.vai-chi-grid{display:grid;grid-template-columns:1fr;gap:10px}
.vai-inst{display:flex;gap:12px;align-items:center;padding:12px;border-radius:14px;border:1px solid #e2e8f0;background:#fff;cursor:pointer;transition:all .15s}
.vai-inst:hover{border-color:#93c5fd;box-shadow:0 10px 25px rgba(2,132,199,.08)}
.vai-inst.selected{border:2px solid #13a4ec;background:#f0f9ff}
.vai-inst .logo{width:44px;height:44px;border-radius:12px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid #e2e8f0;flex:0 0 auto}
.vai-inst .logo img{width:100%;height:100%;object-fit:contain;background:#fff}
.vai-inst .meta{min-width:0}
.vai-inst .name{font-weight:800;color:#0f172a;font-size:14px;line-height:1.2}
.vai-inst .sub{font-size:12px;color:#64748b;margin-top:3px}
.vai-chi-selected{margin-bottom:12px;padding:10px 12px;border:1px dashed #cbd5e1;border-radius:14px;background:#f8fafc;color:#0f172a;font-weight:700}
.vai-chi-chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{border:1px solid #e2e8f0;background:#fff;padding:10px 12px;border-radius:999px;font-weight:700;color:#334155;cursor:pointer;display:flex;align-items:center;gap:8px}
.chip input{accent-color:#13a4ec}
.vai-chi-actions{display:flex;gap:10px;margin-top:10px}
.vai-chi-btn{flex:1;padding:12px 14px;border-radius:14px;border:1px solid #e2e8f0;background:#fff;font-weight:800;cursor:pointer}
.vai-chi-btn.primary{background:#13a4ec;border-color:#13a4ec;color:#fff}
.vai-chi-btn.primary:hover{filter:brightness(.95)}
.vai-chi-error{margin-top:10px;background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:10px 12px;border-radius:12px;font-weight:700}
.field-err{font-size:12px;color:#b91c1c;margin-top:6px}
.req{color:#b91c1c}
.muted{color:#64748b;font-size:13px;line-height:1.4}
.vai-chi-success{text-align:center;padding:8px 0 2px}
.success-icon{width:72px;height:72px;border-radius:999px;background:#dcfce7;color:#166534;display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:900;margin:10px auto 14px}
.vai-chi-receipt{border:1px solid #e2e8f0;border-radius:14px;overflow:hidden;text-align:left;margin:12px 0;background:#fff}
.vai-chi-receipt .row{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-top:1px solid #f1f5f9;align-items:center}
.vai-chi-receipt .row:first-child{border-top:0}
.vai-chi-receipt span{color:#64748b;font-size:12px;font-weight:700}
.vai-chi-receipt strong{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
.vai-chi-mini{border:1px solid #e2e8f0;background:#fff;border-radius:10px;padding:6px 10px;cursor:pointer;font-weight:800}