/* TechBook public booking widget — 2 column layout, mobile-first compact */
.tb-booking{
    --tb-primary:#111827;--tb-primary-hover:#000;--tb-accent:#f3f4f6;--tb-accent-hover:#e5e7eb;
    --tb-bg:#fff;--tb-border:#e5e7eb;--tb-muted:#6b7280;--tb-radius:10px;
    background:var(--tb-bg);border:1px solid var(--tb-border);border-radius:var(--tb-radius);
    padding:16px;font-family:system-ui,-apple-system,sans-serif;max-width:1080px;margin:0 auto;
    font-size:14px;color:#111827;
}

.tb-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tb-col{min-width:0}
.tb-col-title{margin:0 0 10px;font-size:14px;font-weight:600;color:#374151;padding-bottom:8px;border-bottom:1px solid var(--tb-border)}

/* Calendar */
.tb-cal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:13px;gap:8px}
.tb-cal-header strong{font-size:14px;flex:1;text-align:center}
.tb-booking .tb-cal-header button{
    background:#111827 !important;color:#fff !important;border:0 !important;border-radius:6px !important;
    width:32px;min-width:32px;height:32px;cursor:pointer;
    font-size:18px !important;line-height:1 !important;
    padding:0 !important;text-indent:0 !important;
    display:flex;align-items:center;justify-content:center;
    font-family:Arial,sans-serif !important;font-weight:700;
}
.tb-booking .tb-cal-header button:hover{background:#000 !important}
.tb-booking .tb-cal-header button::before{content:attr(data-arrow);display:block}
.tb-cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.tb-cal-dow{text-align:center;font-size:10px;color:var(--tb-muted);padding:4px 2px;font-weight:600;text-transform:uppercase}
.tb-booking .tb-cal-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:5px;cursor:pointer;font-size:12px;color:#111827}
.tb-booking .tb-cal-day.disabled{color:#d1d5db !important;cursor:not-allowed;background:#fafafa !important}
.tb-booking .tb-cal-day.available{background:#f3f4f6 !important;color:#111827 !important;font-weight:600}
.tb-booking .tb-cal-day.available:hover{background:#111827 !important;color:#fff !important}
.tb-booking .tb-cal-day.selected{background:#111827 !important;color:#fff !important;font-weight:700}
.tb-booking .tb-cal-day.empty{visibility:hidden}

/* Slots */
.tb-slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:6px;margin-top:12px;min-height:40px}
.tb-slot{background:#fff;border:1px solid var(--tb-border);border-radius:5px;padding:7px 4px;text-align:center;cursor:pointer;font-size:12px;font-weight:500;color:#111827}
.tb-slot:hover{border-color:var(--tb-primary);background:var(--tb-accent)}
.tb-slot.selected{background:var(--tb-primary);color:#fff;border-color:var(--tb-primary)}
.tb-slot.disabled{opacity:.4;cursor:not-allowed;text-decoration:line-through}

/* Form */
.tb-form{display:flex;flex-direction:column;gap:8px}
.tb-row{display:block}
.tb-row-2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tb-form label{display:block;font-size:12px;color:#4b5563;font-weight:500}
.tb-form input,.tb-form select,.tb-form textarea{
    width:100%;box-sizing:border-box;padding:7px 9px;border:1px solid var(--tb-border);border-radius:5px;
    font-size:13px;margin-top:3px;font-family:inherit;background:#fff;
}
.tb-form input:focus,.tb-form textarea:focus,.tb-form select:focus{outline:none;border-color:var(--tb-primary);box-shadow:0 0 0 2px rgba(17,24,39,.12)}
.tb-form input.error,.tb-form textarea.error{border-color:#ef4444;background:#fef2f2}
.tb-form textarea{resize:vertical;min-height:60px}

/* Service selector */
.tb-services{border:0;padding:0;margin:6px 0}
.tb-services legend{font-weight:600;margin-bottom:6px;font-size:12px;color:#4b5563}
.tb-services{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.tb-services[data-cols="1"]{grid-template-columns:1fr}
.tb-services[data-cols="2"]{grid-template-columns:repeat(2,1fr)}
.tb-services legend{grid-column:1/-1;padding:0}
.tb-service-opt{display:flex;align-items:center;justify-content:center;gap:5px;padding:8px 6px;border:1.5px solid var(--tb-border);border-radius:6px;cursor:pointer;transition:all .15s;font-size:12px;text-align:center;background:#fff}
.tb-service-opt input{position:absolute;opacity:0;width:0;height:0}
.tb-service-opt:has(input:checked){border-color:#111827;background:#111827 !important;color:#fff !important;font-weight:600}
.tb-service-opt:has(input:checked) span{color:#fff !important}

.tb-terms{display:flex !important;gap:6px;align-items:start;font-size:11.5px;line-height:1.4;margin-top:4px}
.tb-terms input{width:auto !important;margin:1px 0 0 !important}
.tb-recaptcha-wrap{margin:10px 0 4px;display:flex;justify-content:center;transform-origin:center top}
@media (max-width:380px){.tb-recaptcha-wrap{transform:scale(.85)}}

/* Summary box */
.tb-booking .tb-summary{background:#111827 !important;color:#fff !important;padding:10px 12px;border-radius:6px;font-size:13px;font-weight:600;border:1px solid #111827}
.tb-booking .tb-summary-empty{background:#111827 !important;color:#fff !important;font-weight:500;opacity:.85}

/* Actions */
.tb-actions{margin-top:8px}
.tb-booking .tb-actions button{width:100%;padding:11px 16px;border:0 !important;border-radius:6px;cursor:pointer;font-weight:700;font-size:14px;background:#111827 !important;color:#fff !important;transition:background .15s;letter-spacing:.5px;text-transform:uppercase}
.tb-booking .tb-actions button:hover:not(:disabled){background:#000 !important}
.tb-booking .tb-actions button:disabled{cursor:not-allowed;background:#374151 !important;opacity:.6}

/* Messages */
.tb-message{margin-top:8px;padding:8px 10px;border-radius:5px;display:none;font-size:12.5px}
.tb-message.error{display:block;background:#fee2e2;color:#991b1b}
.tb-message.success{display:block;background:#d1fae5;color:#065f46}

/* Success state spans both columns */
.tb-success{grid-column:1/-1;text-align:center;padding:32px 16px}
.tb-success-icon{font-size:56px;margin-bottom:12px}
.tb-success h3{margin:0 0 8px}
.tb-success-summary{background:#f9fafb;padding:12px 16px;border-radius:8px;margin-top:14px;text-align:left;display:inline-block;font-size:13px}

.tb-loading{text-align:center;color:var(--tb-muted);padding:14px;font-size:12px}
.tb-spinner{display:inline-block;width:14px;height:14px;border:2px solid #ddd;border-top-color:var(--tb-primary);border-radius:50%;animation:tb-spin .6s linear infinite;vertical-align:middle}
@keyframes tb-spin{to{transform:rotate(360deg)}}

/* Tablet: stack columns */
@media (max-width:860px){
    .tb-layout{grid-template-columns:1fr;gap:12px}
    .tb-col-form{border-top:1px solid var(--tb-border);padding-top:12px}
}

/* Mobile: tighter */
@media (max-width:480px){
    .tb-booking{padding:12px;font-size:13px;border-radius:8px}
    .tb-col-title{font-size:13px;margin-bottom:8px}
    .tb-cal-day{font-size:11px}
    .tb-slots{grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:4px}
    .tb-slot{padding:6px 2px;font-size:11px}
    .tb-row-2{grid-template-columns:1fr}
    .tb-services{grid-template-columns:1fr}
    .tb-form input,.tb-form textarea,.tb-form select{font-size:16px;padding:8px 10px} /* 16px prevents iOS zoom */
    .tb-actions button{padding:11px;font-size:14px}
}