.tbtu-form{max-width:780px;margin:20px auto;padding:16px;border:1px solid #eee;border-radius:14px;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,0.04)}
.tbtu-form h3{margin-top:0}
.tbtu-form label{display:block;margin-bottom:12px;font-weight:600}
.tbtu-form input, .tbtu-form textarea, .tbtu-form select{width:100%;padding:10px;border:1px solid #ddd;border-radius:10px}
.tbtu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.tbtu-inline label{display:inline-block;margin-right:12px;font-weight:500}
.tbtu-grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:6px}
@media(max-width:640px){.tbtu-grid{grid-template-columns:1fr}.tbtu-grid2{grid-template-columns:1fr}}
.tbtu-total,.tbtu-breakdown{background:#f8f9fb;border:1px solid #e5e7eb;border-radius:10px;padding:12px;margin:12px 0;line-height:1.7}
.tbtu-card{line-height:1.7}
.tbtu-error{background:#fff2f2;border:1px solid #f5c2c2;padding:10px;border-radius:8px;color:#a40000}
.tbtu-ok{background:#f0fff4;border:1px solid #b7ebc6;padding:10px;border-radius:8px;color:#046b1d}
.tbtu-grand{display:inline-block;margin-top:6px;padding:6px 10px;background:#fff;border:1px dashed #cbd5e1;border-radius:8px}
.tbtu-spinner{width:16px;height:16px;border:2px solid #ddd;border-top:2px solid #333;border-radius:50%;display:inline-block;animation:spin 0.8s linear infinite;margin-right:8px;vertical-align:middle}
.tbtu-note{font-size:.92em;color:#475569;margin:.25rem 0 .5rem}
.tbtu-extras-step1 .tbtu-extra{padding:10px;border:1px solid #e5e7eb;border-radius:10px;background:#fff;margin:8px 0}
.tbtu-adjust{background:#fafafa;border:1px dashed #e5e7eb;border-radius:10px;padding:10px;margin:10px 0}
@keyframes spin{to{transform:rotate(360deg)}}

/* Toggle switch */
.tbtu-switch-wrap{display:inline-flex;align-items:center;gap:10px;margin-left:10px}
.tbtu-switch{position:relative;display:inline-block;width:52px;height:28px;vertical-align:middle}
.tbtu-switch input{display:none}
.tbtu-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:#e5e7eb;border-radius:9999px;transition:.2s}
.tbtu-slider:before{position:absolute;content:"";height:22px;width:22px;left:3px;top:3px;background:white;border-radius:9999px;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.2s}
.tbtu-switch input:checked + .tbtu-slider{background:#4f46e5}
.tbtu-switch input:checked + .tbtu-slider:before{transform:translateX(24px)}

/* v6.9.3 tweaks */
.tbtu-tour-title{margin:0 0 8px 0;font-size:20px;font-weight:700}
.tbtu-actions{display:flex;gap:10px;align-items:center;margin-top:8px}