:root{--booking-bg-primary: #f8fafc;--booking-bg-secondary: #ffffff;--booking-bg-accent: #f0fdfa;--booking-text-primary: #1e293b;--booking-text-secondary: #64748b;--booking-text-muted: #94a3b8;--booking-accent-primary: #0d9488;--booking-accent-secondary: #14b8a6;--booking-accent-light: #99f6e4;--booking-border: #e2e8f0;--booking-border-focus: #0d9488;--booking-success: #10b981;--booking-error: #ef4444;--booking-warning: #f59e0b;--booking-shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--booking-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--booking-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--booking-spacing-xs: .25rem;--booking-spacing-sm: .5rem;--booking-spacing-md: 1rem;--booking-spacing-lg: 1.5rem;--booking-spacing-xl: 2rem;--booking-radius-sm: .375rem;--booking-radius-md: .5rem;--booking-radius-lg: .75rem;--booking-radius-xl: 1rem;--booking-transition: .15s ease}#booking-app{max-width:800px;margin:0 auto;padding:var(--booking-spacing-md);min-height:100vh}@media(min-width:768px){#booking-app{padding:var(--booking-spacing-xl)}}.booking-header{text-align:center;padding:var(--booking-spacing-xl) var(--booking-spacing-md);background:var(--booking-bg-secondary);border-radius:var(--booking-radius-xl);box-shadow:var(--booking-shadow-md);margin-bottom:var(--booking-spacing-lg)}.provider-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--booking-accent-primary),var(--booking-accent-secondary));display:flex;align-items:center;justify-content:center;margin:0 auto var(--booking-spacing-md);color:#fff;font-size:2rem;font-weight:600}.provider-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.provider-name{font-size:1.5rem;font-weight:600;color:var(--booking-text-primary);margin-bottom:var(--booking-spacing-xs)}.provider-school{color:var(--booking-text-secondary);font-size:.9375rem;display:flex;align-items:center;justify-content:center;gap:var(--booking-spacing-xs)}.provider-school svg{width:16px;height:16px}.provider-bio{margin-top:var(--booking-spacing-md);color:var(--booking-text-secondary);font-size:.9375rem;max-width:500px;margin-left:auto;margin-right:auto}.booking-info-banner{background:var(--booking-bg-accent);border:1px solid var(--booking-accent-light);border-radius:var(--booking-radius-md);padding:var(--booking-spacing-md);margin-bottom:var(--booking-spacing-lg);display:flex;align-items:flex-start;gap:var(--booking-spacing-sm)}.booking-info-banner svg{flex-shrink:0;color:var(--booking-accent-primary);margin-top:2px}.booking-info-banner p{color:var(--booking-text-secondary);font-size:.875rem;line-height:1.5}.slots-section{background:var(--booking-bg-secondary);border-radius:var(--booking-radius-xl);box-shadow:var(--booking-shadow-md);overflow:hidden;margin-bottom:var(--booking-spacing-lg)}.slots-header{padding:var(--booking-spacing-lg) var(--booking-spacing-md);border-bottom:1px solid var(--booking-border)}.slots-header h2{font-size:1.125rem;font-weight:600;color:var(--booking-text-primary);margin-bottom:var(--booking-spacing-xs)}.slots-header p{color:var(--booking-text-secondary);font-size:.875rem}.slots-container{padding:var(--booking-spacing-md);max-height:400px;overflow-y:auto}.slots-day-group{margin-bottom:var(--booking-spacing-lg)}.slots-day-group:last-child{margin-bottom:0}.slots-day-label{font-size:.875rem;font-weight:600;color:var(--booking-text-primary);margin-bottom:var(--booking-spacing-sm);display:flex;align-items:center;gap:var(--booking-spacing-sm)}.slots-day-label .day-date{color:var(--booking-text-secondary);font-weight:400}.slots-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:var(--booking-spacing-sm)}.slot-btn{padding:var(--booking-spacing-sm) var(--booking-spacing-md);background:var(--booking-bg-primary);border:1px solid var(--booking-border);border-radius:var(--booking-radius-md);font-size:.875rem;font-weight:500;color:var(--booking-text-primary);cursor:pointer;transition:all var(--booking-transition);text-align:center}.slot-btn:hover{border-color:var(--booking-accent-primary);background:var(--booking-bg-accent)}.slot-btn.selected{background:var(--booking-accent-primary);border-color:var(--booking-accent-primary);color:#fff}.slot-btn:disabled{opacity:.5;cursor:not-allowed}.no-slots-message{text-align:center;padding:var(--booking-spacing-xl);color:var(--booking-text-secondary)}.no-slots-message svg{width:48px;height:48px;margin-bottom:var(--booking-spacing-md);color:var(--booking-text-muted)}.booking-form-section{background:var(--booking-bg-secondary);border-radius:var(--booking-radius-xl);box-shadow:var(--booking-shadow-md);overflow:hidden}.booking-form-section.disabled{opacity:.6;pointer-events:none}.form-header{padding:var(--booking-spacing-lg) var(--booking-spacing-md);border-bottom:1px solid var(--booking-border)}.form-header h2{font-size:1.125rem;font-weight:600;color:var(--booking-text-primary)}.booking-form{padding:var(--booking-spacing-lg) var(--booking-spacing-md)}.form-group{margin-bottom:var(--booking-spacing-lg)}.form-group label{display:block;font-size:.875rem;font-weight:500;color:var(--booking-text-primary);margin-bottom:var(--booking-spacing-sm)}.form-group label .required{color:var(--booking-error)}.form-group input,.form-group textarea{width:100%;padding:var(--booking-spacing-sm) var(--booking-spacing-md);background:var(--booking-bg-primary);border:1px solid var(--booking-border);border-radius:var(--booking-radius-md);font-size:1rem;color:var(--booking-text-primary);transition:all var(--booking-transition);font-family:inherit}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--booking-border-focus);box-shadow:0 0 0 3px #0d94881a}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--booking-text-muted)}.form-group textarea{min-height:100px;resize:vertical}.form-group .helper-text{font-size:.8125rem;color:var(--booking-text-muted);margin-top:var(--booking-spacing-xs)}.form-group.error input,.form-group.error textarea{border-color:var(--booking-error)}.form-group .error-text{font-size:.8125rem;color:var(--booking-error);margin-top:var(--booking-spacing-xs)}.selected-slot-display{background:var(--booking-bg-accent);border:1px solid var(--booking-accent-light);border-radius:var(--booking-radius-md);padding:var(--booking-spacing-md);margin-bottom:var(--booking-spacing-lg);display:flex;align-items:center;gap:var(--booking-spacing-md)}.selected-slot-display svg{color:var(--booking-accent-primary);flex-shrink:0}.selected-slot-info{flex:1}.selected-slot-info .slot-date{font-weight:600;color:var(--booking-text-primary)}.selected-slot-info .slot-time{font-size:.875rem;color:var(--booking-text-secondary)}.change-slot-btn{background:transparent;border:1px solid var(--booking-border);border-radius:var(--booking-radius-sm);padding:var(--booking-spacing-xs) var(--booking-spacing-sm);font-size:.8125rem;color:var(--booking-text-secondary);cursor:pointer;transition:all var(--booking-transition)}.change-slot-btn:hover{border-color:var(--booking-accent-primary);color:var(--booking-accent-primary)}.submit-btn{width:100%;padding:var(--booking-spacing-md) var(--booking-spacing-lg);background:var(--booking-accent-primary);border:none;border-radius:var(--booking-radius-md);font-size:1rem;font-weight:600;color:#fff;cursor:pointer;transition:all var(--booking-transition);display:flex;align-items:center;justify-content:center;gap:var(--booking-spacing-sm)}.submit-btn:hover:not(:disabled){background:var(--booking-accent-secondary);transform:translateY(-1px);box-shadow:var(--booking-shadow-md)}.submit-btn:disabled{background:var(--booking-text-muted);cursor:not-allowed}.submit-btn .btn-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.booking-success{text-align:center;padding:var(--booking-spacing-xl);background:var(--booking-bg-secondary);border-radius:var(--booking-radius-xl);box-shadow:var(--booking-shadow-md)}.success-icon{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--booking-success),#059669);display:flex;align-items:center;justify-content:center;margin:0 auto var(--booking-spacing-lg)}.success-icon svg{width:40px;height:40px;color:#fff}.booking-success h2{font-size:1.5rem;font-weight:600;color:var(--booking-text-primary);margin-bottom:var(--booking-spacing-sm)}.booking-success p{color:var(--booking-text-secondary);margin-bottom:var(--booking-spacing-lg)}.confirmation-details{background:var(--booking-bg-primary);border-radius:var(--booking-radius-md);padding:var(--booking-spacing-lg);margin-bottom:var(--booking-spacing-lg);text-align:left}.confirmation-details .detail-row{display:flex;justify-content:space-between;padding:var(--booking-spacing-sm) 0;border-bottom:1px solid var(--booking-border)}.confirmation-details .detail-row:last-child{border-bottom:none}.confirmation-details .detail-label{color:var(--booking-text-secondary);font-size:.875rem}.confirmation-details .detail-value{color:var(--booking-text-primary);font-weight:500}.booking-success .back-link{display:inline-flex;align-items:center;gap:var(--booking-spacing-xs);color:var(--booking-accent-primary);text-decoration:none;font-weight:500;transition:all var(--booking-transition)}.booking-success .back-link:hover{color:var(--booking-accent-secondary)}.error-container{text-align:center;padding:var(--booking-spacing-xl);max-width:400px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center}.error-container svg{margin-bottom:var(--booking-spacing-lg)}.error-container h1{font-size:1.5rem;font-weight:600;color:var(--booking-text-primary);margin-bottom:var(--booking-spacing-sm)}.error-container p{color:var(--booking-text-secondary);margin-bottom:var(--booking-spacing-lg)}.back-link,.retry-btn{display:inline-flex;align-items:center;gap:var(--booking-spacing-xs);padding:var(--booking-spacing-sm) var(--booking-spacing-lg);background:var(--booking-accent-primary);color:#fff;text-decoration:none;border:none;border-radius:var(--booking-radius-md);font-weight:500;font-size:.9375rem;cursor:pointer;transition:all var(--booking-transition)}.back-link:hover,.retry-btn:hover{background:var(--booking-accent-secondary)}.booking-footer{text-align:center;padding:var(--booking-spacing-xl) var(--booking-spacing-md);color:var(--booking-text-muted);font-size:.8125rem}.booking-footer a{color:var(--booking-accent-primary);text-decoration:none}.booking-footer a:hover{text-decoration:underline}@media(min-width:768px){.booking-header{padding:var(--booking-spacing-xl)}.provider-avatar{width:100px;height:100px;font-size:2.5rem}.provider-name{font-size:1.75rem}.slots-header,.form-header,.slots-container,.booking-form{padding:var(--booking-spacing-lg)}.slots-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}