.nbb-booking-tools{padding:14px;border:1px solid #d9e2ec;border-radius:8px;background:#f8fafc;margin-bottom:16px}
.nbb-booking-tool-buttons{display:flex;gap:10px;flex-wrap:wrap}
.nbb-booking-tool-toggle{border:1px solid #d0d5dd;border-radius:18px;min-height:44px;padding:0 18px;background:#fff;color:#101828;font-weight:700;box-shadow:none;cursor:pointer}
.nbb-booking-tool-toggle:hover{background:#f2f4f7}
.nbb-booking-tool-panel{margin-top:12px;padding-top:12px;border-top:1px solid #d9e2ec}
.nbb-booking-tool-panel label{display:block;font-weight:700;margin-bottom:6px}
.nbb-booking-tool-line,.nbb-copy{display:flex;gap:8px;align-items:center}
.nbb-booking-tool-line input,.nbb-copy input{flex:1;min-width:0}
.nbb-booking-tool-action,.nbb-copy button{border:0;border-radius:18px;min-height:44px;background:#7486a0;color:#fff;padding:0 18px;font-weight:700;cursor:pointer;white-space:nowrap}
.nbb-booking-tool-action:disabled{opacity:.65;cursor:wait}
.nbb-referral-message,.nbb-estimate-message{margin-top:8px;font-weight:700}
.nbb-estimate-summary{display:none;margin-top:12px;padding-top:12px;border-top:1px solid #d9e2ec}
.nbb-estimate-summary ul{margin:8px 0 0 18px}
.nbb-referral-message.ok,.nbb-estimate-message.ok{color:#137333}
.nbb-referral-message.bad,.nbb-estimate-message.bad{color:#b3261e}
.nbb-referral-portal{max-width:820px;margin:20px auto;padding:22px;border:1px solid #ddd;border-radius:12px;background:#fff}
.nbb-referral-portal .nbb-balance{font-size:40px;font-weight:800;margin:10px 0 20px}
.nbb-referral-portal .nbb-balance small{font-size:16px}
.nbb-referral-portal table{width:100%;border-collapse:collapse;margin-top:12px}
.nbb-referral-portal th,.nbb-referral-portal td{padding:10px;border-bottom:1px solid #eee;text-align:left}
@media(max-width:640px){.nbb-booking-tool-buttons{display:grid;grid-template-columns:1fr 1fr}.nbb-booking-tool-toggle{width:100%;padding:0 10px;font-size:13px}.nbb-booking-tool-line{align-items:stretch;flex-direction:column}.nbb-booking-tool-action{width:100%}}