:root{--fx-primary:#2563eb;--fx-secondary:#0ea5e9;--fx-success:#16a34a;--fx-danger:#dc2626;--fx-warning:#f59e0b;--fx-dark:#111827;--fx-light:#f8fafc;--fx-gradient:linear-gradient(135deg,#2563eb 0%,#0ea5e9 100%)}body{background:#f4f7fb}.fx-card{border:none;border-radius:18px;overflow:hidden}.summary-card{background:var(--fx-gradient);color:#fff}.section-title{font-size:.78rem;font-weight:800;text-transform:uppercase;color:var(--fx-primary);border-bottom:2px solid #e5e7eb;padding-bottom:8px;margin-bottom:18px;letter-spacing:.4px}.input-group-text{min-width:46px;background:#f8fafc;border-right:none;font-weight:700}.form-control{border-left:none}.sticky-summary{position:sticky;top:20px}.result-big{font-size:2.6rem;font-weight:800}.summary-box{background:rgba(255,255,255,.14);border-radius:12px;padding:14px;margin-bottom:12px}.chart-wrapper{position:relative;width:100%;height:320px}.compare-box{border-radius:16px;padding:18px;height:100%}.fixed-box{background:#eff6ff;border:2px solid #bfdbfe}.arm-box{background:#fefce8;border:2px solid #fde68a}.metric-label{font-size:.72rem;font-weight:700;color:#6b7280;text-transform:uppercase}.metric-value{font-size:1.4rem;font-weight:800;color:#111827}.rate-badge{font-size:.75rem;padding:6px 12px;border-radius:50px;font-weight:700}.badge-fixed{background:#dbeafe;color:#1d4ed8}.badge-arm{background:#fef3c7;color:#b45309}.winner-card{border-radius:16px;background:#ecfdf5;border:2px solid #86efac;padding:18px}.table-sm td{padding:.45rem}.period-select{max-width:140px;cursor:pointer;font-weight:600;background-color:#f8fafc;appearance:auto!important;-webkit-appearance:menulist!important;-moz-appearance:menulist!important;padding-right:28px!important}