:root{--sb-primary:var(--theme-palette-color-1,#2563eb);--sb-primary-h:var(--theme-palette-color-2,#1d4ed8);--sb-bg:#fff;--sb-bg-soft:#f8fafc;--sb-border:#e2e8f0;--sb-text:var(--theme-text-color,#1e293b);--sb-muted:#64748b;--sb-radius:12px;--sb-radius-sm:8px;--sb-shadow:0 4px 24px rgba(0,0,0,.08);--sb-success:#16a34a;--sb-error:#dc2626;--sb-available:#dbeafe;--sb-unavail:#e2e8f0;--sb-past:#f1f5f9;--sb-transition:all .18s ease}
.sb-booking-wrapper{font-family:var(--theme-font-family,system-ui,sans-serif);max-width:680px;margin:0 auto}
.sb-step{background:var(--sb-bg);border-radius:var(--sb-radius);box-shadow:var(--sb-shadow);padding:2rem;margin-bottom:1rem}
.sb-step-title{font-size:1.1rem;font-weight:700;color:var(--sb-text);margin:0 0 1.5rem;padding-bottom:.75rem;border-bottom:2px solid var(--sb-primary);display:inline-block}
.sb-back-btn{background:none;border:none;color:var(--sb-primary);cursor:pointer;font-size:.9rem;padding:0;margin-bottom:1rem;display:block}.sb-back-btn:hover{text-decoration:underline}
.sb-fields-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.sb-full{grid-column:1/-1}
.sb-field-group{display:flex;flex-direction:column;gap:.35rem}
.sb-field-group label{font-size:.85rem;font-weight:600;color:var(--sb-muted)}
.sb-field-group input,.sb-field-group select{border:1.5px solid var(--sb-border);border-radius:var(--sb-radius-sm);padding:.6rem .85rem;font-size:.95rem;color:var(--sb-text);background:var(--sb-bg);transition:var(--sb-transition);outline:none;width:100%;box-sizing:border-box}
.sb-field-group input:focus,.sb-field-group select:focus{border-color:var(--sb-primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.sb-btn-next{margin-top:1.5rem;background:var(--sb-primary);color:#fff;border:none;border-radius:var(--sb-radius-sm);padding:.75rem 2rem;font-size:1rem;font-weight:600;cursor:pointer;transition:var(--sb-transition);display:block;width:100%}
.sb-btn-next:hover:not(:disabled){background:var(--sb-primary-h);transform:translateY(-1px)}.sb-btn-next:disabled{opacity:.45;cursor:not-allowed}
.sb-cal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.sb-cal-header span{font-weight:700;font-size:1rem;color:var(--sb-text)}
.sb-cal-nav{background:var(--sb-bg-soft);border:1.5px solid var(--sb-border);border-radius:var(--sb-radius-sm);width:36px;height:36px;font-size:1.1rem;cursor:pointer;transition:var(--sb-transition)}
.sb-cal-nav:hover:not(:disabled){background:var(--sb-available);border-color:var(--sb-primary)}.sb-cal-nav:disabled{opacity:.35;cursor:not-allowed}
.sb-cal-days-header{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;margin-bottom:.5rem}
.sb-cal-days-header span{font-size:.72rem;font-weight:700;color:var(--sb-muted);padding:.3rem 0;text-transform:uppercase;letter-spacing:.04em}
.sb-cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.sb-cal-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--sb-radius-sm);font-size:.88rem;font-weight:500;cursor:pointer;transition:var(--sb-transition);border:1.5px solid transparent;color:var(--sb-text)}
.sb-cal-cell.sb-empty{visibility:hidden}.sb-cal-cell.sb-past{color:var(--sb-muted);background:var(--sb-past);cursor:not-allowed;opacity:.5}
.sb-cal-cell.sb-unavailable{color:var(--sb-muted);background:var(--sb-unavail);cursor:not-allowed}
.sb-cal-cell.sb-available{background:var(--sb-available);border-color:rgba(37,99,235,.2);color:var(--sb-primary)}
.sb-cal-cell.sb-available:hover{background:var(--sb-primary);color:#fff;transform:scale(1.05)}
.sb-cal-cell.sb-selected{background:var(--sb-primary)!important;color:#fff!important;border-color:var(--sb-primary-h)!important;font-weight:700;box-shadow:0 2px 8px rgba(37,99,235,.35)}
.sb-selected-date-label{color:var(--sb-muted);font-size:.9rem;margin-bottom:1rem}
.sb-slots-grid{display:flex;flex-wrap:wrap;gap:.6rem}
.sb-slot{border:1.5px solid var(--sb-border);background:var(--sb-bg);border-radius:var(--sb-radius-sm);padding:.5rem 1.1rem;font-size:.9rem;font-weight:600;color:var(--sb-text);cursor:pointer;transition:var(--sb-transition)}
.sb-slot:hover{border-color:var(--sb-primary);background:var(--sb-available);color:var(--sb-primary)}
.sb-slot.sb-slot-selected{background:var(--sb-primary);border-color:var(--sb-primary);color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.35)}
.sb-no-slots{color:var(--sb-muted);font-size:.9rem;padding:1rem 0}
.sb-loading{color:var(--sb-muted);font-size:.9rem;display:flex;align-items:center;gap:.5rem}
.sb-spinner{width:16px;height:16px;border:2px solid var(--sb-border);border-top-color:var(--sb-primary);border-radius:50%;animation:sb-spin .7s linear infinite;display:inline-block}
@keyframes sb-spin{to{transform:rotate(360deg)}}
.sb-summary-bar{background:var(--sb-bg);border-radius:var(--sb-radius);box-shadow:var(--sb-shadow);padding:1.25rem 2rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:1rem;border:1.5px solid var(--sb-border)}
.sb-summary-info{display:flex;gap:1.5rem;flex-wrap:wrap;font-size:.9rem;color:var(--sb-text)}.sb-summary-info strong{color:var(--sb-primary)}
.sb-btn-submit{background:var(--sb-success);color:#fff;border:none;border-radius:var(--sb-radius-sm);padding:.7rem 1.75rem;font-size:.95rem;font-weight:700;cursor:pointer;transition:var(--sb-transition)}
.sb-btn-submit:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.sb-btn-submit:disabled{opacity:.5;cursor:not-allowed}
.sb-error{color:var(--sb-error);font-size:.88rem;background:#fef2f2;border-radius:var(--sb-radius-sm);padding:.5rem .85rem;border:1px solid #fecaca;width:100%}
.sb-success-box{text-align:center;padding:3rem 2rem;background:var(--sb-bg);border-radius:var(--sb-radius);box-shadow:var(--sb-shadow)}
.sb-success-icon{font-size:3rem;margin-bottom:1rem}.sb-success-box h3{color:var(--sb-success);font-size:1.5rem;margin:0 0 .5rem}.sb-success-box p{color:var(--sb-muted)}
@media(max-width:480px){.sb-step{padding:1.25rem}.sb-fields-grid{grid-template-columns:1fr}.sb-full{grid-column:auto}.sb-summary-bar{flex-direction:column}.sb-btn-submit{width:100%}.sb-cal-days-header span,.sb-cal-cell{font-size:.75rem}}