/**
 * Booking System CSS
 * 
 * Styles for booking modals, slot cards, and availability management
 */

/* Availability Modal – glassmorphism & modern */
.availability-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(16px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.availability-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 0;
}

.availability-modal .modal-content {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(99, 102, 241, 0.08), 0 0 40px rgba(99, 102, 241, 0.06);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes slideUp {
    from {
        transform: translateY(24px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.availability-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 24px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.12);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 10;
    border-radius: 20px 20px 0 0;
}

.availability-modal .modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
    letter-spacing: -0.02em;
}

.availability-modal .modal-close {
    background: rgba(0, 0, 0, 0.04);
    border: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: var(--text-secondary, #64748b);
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.availability-modal .modal-close:hover {
    color: var(--primary-color, #6366f1);
    background: rgba(99, 102, 241, 0.1);
}

.availability-modal .modal-body {
    padding: 24px 24px 28px;
    background: transparent;
}

/* Slots Container */
.slots-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.date-group {
    margin-bottom: var(--spacing-lg);
}

.date-header {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.availability-modal .slot-card {
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: var(--radius-md, 12px);
    padding: var(--spacing-md, 16px);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.availability-modal .slot-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.availability-modal .slot-card.slot-disabled {
    opacity: 0.5;
    pointer-events: none;
    filter: blur(1px);
}

.availability-modal .slot-time {
    font-size: var(--font-size-lg, 1.125rem);
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    margin-bottom: var(--spacing-xs, 4px);
}

.availability-modal .slot-duration {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--text-secondary, #64748b);
    margin-bottom: var(--spacing-xs, 4px);
}

.slot-fee {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.availability-modal .book-slot-btn {
    width: 100%;
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    background: var(--primary-color, #6366f1);
    color: #fff;
    border: none;
    border-radius: var(--radius-md, 12px);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.availability-modal .book-slot-btn:hover {
    background: var(--primary-color-dark, var(--primary-dark, #4f46e5));
}

.availability-modal .book-slot-btn:disabled {
    background: var(--text-light, #94a3b8);
    cursor: not-allowed;
    opacity: 0.6;
}

.book-slot-btn:hover {
    background: var(--primary-color-dark, #6d28d9);
}

.book-slot-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ========== Create Slot Modal (Set Availability) – UX & design ========== */
.create-slot-modal {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    animation: fadeIn 0.25s ease;
}

.create-slot-modal .modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 0;
    cursor: pointer;
    transition: background 0.2s ease;
}

.create-slot-modal .modal-overlay:hover {
    background: rgba(15, 23, 42, 0.65);
}

.create-slot-modal .modal-content,
.create-slot-modal .modal-content-wide {
    position: relative;
    z-index: 1;
    max-width: 560px;
    width: 100%;
    max-height: 88vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.04), 0 0 0 3px rgba(99, 102, 241, 0.06);
    animation: modalSlideUp 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.create-slot-modal .modal-content {
    max-width: 520px;
}

.create-slot-modal .modal-content-wide {
    max-width: 560px;
}

.create-slot-modal .modal-header {
    flex-shrink: 0;
    padding: 24px 24px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    background: linear-gradient(180deg, #fff 0%, #fafbff 100%);
    border-radius: 20px 20px 0 0;
    position: relative;
}

.create-slot-modal .modal-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #7c3aed 100%);
    border-radius: 0 0 20px 20px;
}

.create-slot-modal .modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: -0.02em;
    padding-right: 40px;
}

.create-slot-modal .modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.04);
    border: none;
    border-radius: 10px;
    color: #64748b;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.create-slot-modal .modal-close:hover {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.create-slot-modal .modal-body {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    padding: 24px;
    -webkit-overflow-scrolling: touch;
    background: #fff;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.5) rgba(99, 102, 241, 0.08);
}

.create-slot-modal .modal-body::-webkit-scrollbar {
    width: 8px;
}

.create-slot-modal .modal-body::-webkit-scrollbar-track {
    background: rgba(99, 102, 241, 0.08);
    border-radius: 4px;
}

.create-slot-modal .modal-body::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.45);
    border-radius: 4px;
}

.create-slot-modal .modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.65);
}

.create-slot-modal select {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.9375rem;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.create-slot-modal select:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.create-slot-modal #slotError.error-message {
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 0.875rem;
}

.availability-group {
    margin-bottom: 20px;
    padding: 18px 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(139, 92, 246, 0.03) 100%);
    border-radius: 14px;
    border: 1px solid rgba(99, 102, 241, 0.12);
}

.availability-group h4 {
    margin: 0 0 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #334155;
    letter-spacing: 0.01em;
}

.create-slot-modal .modal-hint {
    margin: 0 0 20px;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.5;
}

.create-slot-modal .form-actions {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    gap: 12px;
    justify-content: flex-end;
}

.create-slot-modal .form-actions .primary-btn {
    min-width: 140px;
}

.create-slot-modal .form-actions .secondary-btn {
    border-color: rgba(99, 102, 241, 0.2);
    color: #475569;
}

.create-slot-modal .form-actions .secondary-btn:hover {
    border-color: rgba(99, 102, 241, 0.35);
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
}

.custom-days-section {
    margin-top: 16px;
    padding: 18px 20px;
    background: rgba(248, 250, 252, 0.8);
    border-radius: 14px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.custom-day-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.custom-day-label {
    width: 90px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.custom-day-start, .custom-day-end {
    width: 120px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.custom-day-enabled {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.availability-toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.availability-toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.toggle-status {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.toggle-status.available {
    color: var(--success, #10b981);
}

.toggle-status.unavailable {
    color: var(--text-secondary);
}

.availability-toggle-label input {
    display: none;
}

.toggle-slider {
    width: 44px;
    height: 24px;
    background: var(--border-color);
    border-radius: 12px;
    position: relative;
    transition: background 0.2s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.availability-toggle-label input:checked + .toggle-slider {
    background: var(--primary-color);
}

.availability-toggle-label input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

.availability-toggle-hint {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 10px !important;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-sizing: border-box;
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.error-message {
    background: #fee2e2;
    color: #991b1b;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.secondary-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

/* Availability Container */
.availability-container {
    margin-top: var(--spacing-md);
}

.slots-section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.date-slot-group {
    margin-bottom: var(--spacing-lg);
}

.date-slot-header {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.slots-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.slot-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.slot-item:hover {
    background: var(--bg-tertiary);
}

.slot-info {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

.slot-info .slot-time {
    font-weight: 600;
    color: var(--text-primary);
}

.slot-info .slot-duration {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.slot-info .slot-fee {
    color: var(--primary-color);
    font-weight: 600;
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.available {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.booked {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.completed {
    background: #dbeafe;
    color: #1e40af;
}

.cancel-slot-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: #fee2e2;
    color: #991b1b;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.cancel-slot-btn:hover {
    background: #fecaca;
}

.availability-modal .empty-slots,
.availability-modal .empty-availability {
    text-align: center;
    padding: var(--spacing-xl, 32px);
    color: var(--text-secondary, #64748b);
}

.availability-modal .empty-slots p,
.availability-modal .empty-availability p {
    margin: var(--spacing-sm, 8px) 0;
    color: var(--text-primary, #1e293b);
}

.empty-slots,
.empty-availability {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-slots p,
.empty-availability p {
    margin: var(--spacing-sm) 0;
}

/* Availability window (time window model) */
.availability-window-display {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.availability-window-display h4 {
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-lg);
    color: var(--text-primary);
}

.availability-window-display p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
}

.availability-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* Google Meet link section – top of Availability (required before setting availability/session types) */
.meet-link-section {
    background: var(--gradient-card, linear-gradient(135deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.95) 100%));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(99, 102, 241, 0.12);
    box-shadow: var(--shadow-soft, 0 4px 24px rgba(0,0,0,0.06));
}

.meet-link-section-required {
    border-left: 4px solid var(--primary-color);
}

.meet-link-section-done {
    border-left: 4px solid var(--success, #10b981);
}

.meet-link-section-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.meet-link-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-color);
    border-radius: var(--radius-md);
}

.meet-link-icon-done {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success, #10b981);
}

.meet-link-title {
    margin: 0 0 var(--spacing-xs);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.meet-link-desc {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.meet-link-form {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.meet-link-input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.meet-link-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.meet-link-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

.meet-link-display-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.meet-link-url {
    flex: 1;
    min-width: 0;
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.meet-link-url:hover {
    text-decoration: underline;
}

.meet-link-change-btn {
    flex-shrink: 0;
}

.meet-link-edit-wrap {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.meet-link-edit-wrap .meet-link-input {
    width: 100%;
    min-width: 0;
}

.meet-link-edit-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.meet-link-error {
    margin: var(--spacing-sm) 0 0;
    font-size: var(--font-size-sm);
    color: #dc2626;
    font-weight: 500;
}

/* Locked state – show when Meet link not set */
.availability-locked-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.availability-locked-icon {
    color: var(--text-secondary);
    opacity: 0.7;
    margin-bottom: var(--spacing-md);
}

.availability-locked-card h4 {
    margin: 0 0 var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.availability-locked-card p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Session types section – modern card */
.session-types-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.session-types-section-modern {
    background: var(--gradient-card, linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(99, 102, 241, 0.12);
    box-shadow: var(--shadow-soft, 0 4px 24px rgba(0,0,0,0.06));
}

.session-types-section-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.session-types-section-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-md);
}

.session-types-section-header h4 {
    margin: 0 0 var(--spacing-xs);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.session-types-section-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.session-types-section-actions {
    margin-bottom: var(--spacing-lg);
}

.manage-session-types-btn {
    min-width: 180px;
}

.session-types-section .hint {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.session-types-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.session-types-preview-modern {
    margin-top: 0;
    gap: var(--spacing-sm);
    min-height: 44px;
    align-items: center;
}

.session-types-empty {
    padding: var(--spacing-sm) 0;
}

.session-types-empty p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.session-types-empty-hint {
    margin-top: var(--spacing-xs) !important;
    font-size: 0.8125rem !important;
    color: var(--text-secondary);
    opacity: 0.9;
}

.session-type-badge {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 999px;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.session-type-badge:hover {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.3);
}

/* Days checkbox group */
.days-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.day-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.day-checkbox input {
    width: auto;
    margin: 0;
}

/* Booking flow steps – modern typography */
.availability-modal .booking-step {
    padding: 8px 0 20px;
}

.availability-modal .booking-step h3 {
    margin: 0 0 8px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
    letter-spacing: -0.02em;
}

.availability-modal .booking-step .selected-type {
    margin: 0 0 20px;
    font-size: 0.9375rem;
    color: var(--text-secondary, #64748b);
    font-weight: 500;
    line-height: 1.4;
}

/* See more slots button */
.see-more-slots-btn {
    display: block;
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 16px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px dashed rgba(99, 102, 241, 0.4);
    border-radius: 12px;
    color: var(--primary-color, #6366f1);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.see-more-slots-btn:hover {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.5);
}

.availability-modal .session-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
}

.availability-modal .session-type-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 14px;
    padding: 18px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.availability-modal .session-type-card:hover {
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.1);
}

.availability-modal .slot-fee {
    font-size: var(--font-size-xl, 1.25rem);
    font-weight: 700;
    color: var(--primary-color, #6366f1);
    margin-bottom: var(--spacing-md, 16px);
}

.booking-step {
    padding: var(--spacing-md) 0;
}

.booking-step h3 {
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-lg);
    color: var(--text-primary);
}

.session-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.session-type-card {
    cursor: pointer;
}

/* Time slot chips (Select Time step) */
.time-slots-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: var(--spacing-lg, 24px);
}

.time-slot-chip {
    padding: 10px 20px;
    background: var(--bg-secondary, #f8fafc);
    border: 1.5px solid var(--border-color, #e2e8f0);
    border-radius: 999px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    cursor: pointer;
    transition: all 0.2s ease;
}

.time-slot-chip:hover {
    border-color: var(--primary-color, #6366f1);
    background: rgba(99, 102, 241, 0.06);
}

.time-slot-chip.selected {
    background: var(--primary-color, #6366f1);
    color: #fff;
    border-color: var(--primary-color, #6366f1);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.time-slot-chip.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Book & Pay action bar */
.book-action-bar {
    display: flex;
    justify-content: center;
    padding-top: var(--spacing-md, 16px);
    border-top: 1px solid var(--border-color, #e2e8f0);
    animation: fadeIn 0.2s ease;
}

.book-pay-btn {
    padding: 14px 40px;
    /* Fixed width so "Booking..." / "Confirming..." don't expand the button */
    min-width: 240px;
    width: max-content;
    max-width: 100%;
    background: var(--primary-color, #6366f1);
    color: #fff;
    border: none;
    border-radius: var(--radius-md, 12px);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.book-pay-btn:hover {
    background: var(--primary-color-dark, #4f46e5);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}

.book-pay-btn:active {
    transform: translateY(0);
}

.book-pay-btn:disabled {
    background: var(--text-light, #94a3b8);
    cursor: not-allowed;
    opacity: 0.7;
    box-shadow: none;
    transform: none;
}

/* Loading state: keep size, show spinner + subtle pulse (no resize when "Booking..." / "Confirming...") */
.book-pay-btn.loading {
    pointer-events: none;
    min-width: 240px;
    animation: book-pay-pulse 1.5s ease-in-out infinite;
}
@keyframes book-pay-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}
.book-pay-btn.loading .spinner-small {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: book-pay-spin 0.65s linear infinite;
    vertical-align: middle;
    margin-right: 10px;
}
@keyframes book-pay-spin {
    to { transform: rotate(360deg); }
}

/* Availability modal – small screens (mentor public profile & find-mentors) */
@media (max-width: 768px) {
    .availability-modal .modal-content {
        width: 94%;
        max-width: none;
        max-height: 88vh;
        border-radius: 16px;
        margin: 12px 0;
    }
    .availability-modal .modal-header {
        padding: 14px 16px;
        border-radius: 16px 16px 0 0;
    }
    .availability-modal .modal-header h2 {
        font-size: 1.05rem;
        line-height: 1.3;
    }
    .availability-modal .modal-close {
        width: 32px;
        height: 32px;
        font-size: 20px;
    }
    .availability-modal .modal-body {
        padding: 16px 16px 20px;
    }
    .availability-modal .booking-step {
        padding: 6px 0 16px;
    }
    .availability-modal .booking-step h3 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }
    .availability-modal .booking-step .selected-type {
        font-size: 0.8125rem;
        margin-bottom: 14px;
    }
    .availability-modal .back-btn {
        font-size: 0.8125rem;
        padding: 6px 0;
        margin-bottom: 10px;
    }
    .availability-modal .time-slots-grid {
        gap: 8px;
        margin-bottom: 14px;
    }
    .availability-modal .time-slot-chip {
        padding: 8px 14px;
        font-size: 0.8125rem;
    }
    .availability-modal .see-more-slots-btn {
        padding: 10px 12px;
        font-size: 0.8125rem;
        margin-bottom: 12px;
    }
    .availability-modal .book-action-bar {
        padding-top: 12px;
    }
    .availability-modal .book-pay-btn {
        padding: 12px 24px;
        min-width: 0;
        width: 100%;
        font-size: 0.9375rem;
    }
    .availability-modal .dates-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .availability-modal .date-btn {
        padding: 8px 10px;
        font-size: 0.75rem;
        border-radius: 10px;
    }
    .availability-modal .session-types-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .availability-modal .session-type-card {
        padding: 14px;
    }
}

@media (max-width: 400px) {
    .availability-modal .modal-content {
        width: 96%;
        max-height: 90vh;
        margin: 8px 0;
    }
    .availability-modal .modal-header {
        padding: 12px 12px;
    }
    .availability-modal .modal-header h2 {
        font-size: 0.95rem;
    }
    .availability-modal .modal-body {
        padding: 12px 12px 16px;
    }
    .availability-modal .booking-step .selected-type {
        font-size: 0.75rem;
    }
    .availability-modal .time-slot-chip {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    .availability-modal .dates-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    .availability-modal .date-btn {
        padding: 6px 8px;
        font-size: 0.7rem;
        border-radius: 8px;
    }
    .availability-modal .book-pay-btn {
        padding: 10px 16px;
        font-size: 0.875rem;
    }
}

.dates-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Availability modal: 3 dates per row, chip size like time slots */
.availability-modal .dates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: var(--spacing-lg, 24px);
}

.availability-modal .date-btn {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    text-align: center;
}

.availability-modal .date-btn:hover {
    border-color: rgba(99, 102, 241, 0.4);
    background: rgba(99, 102, 241, 0.06);
}

.availability-modal .date-btn.selected {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-color);
}

.date-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.date-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.date-btn.selected {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-md);
}

.back-btn:hover {
    color: var(--text-primary);
}

/* ========== Session Types Modal (Manage Session Types) – UX & design ========== */
.session-types-modal .modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 0;
    cursor: pointer;
    transition: background 0.2s ease;
}

.session-types-modal .modal-overlay:hover {
    background: rgba(15, 23, 42, 0.65);
}

.session-types-modal .modal-content-session-types {
    position: relative;
    z-index: 1;
    max-width: 600px;
    width: 100%;
    max-height: 88vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.04), 0 0 0 3px rgba(99, 102, 241, 0.06);
    animation: modalSlideUp 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.session-types-modal-header {
    flex-shrink: 0;
    padding: 24px 24px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    background: linear-gradient(180deg, #fff 0%, #fafbff 100%);
    border-radius: 20px 20px 0 0;
    position: relative;
}

.session-types-modal-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #7c3aed 100%);
    border-radius: 0 0 20px 20px;
}

.session-types-modal-header .modal-header-text {
    padding-right: 44px;
}

.session-types-modal-header .modal-header-text h2 {
    margin: 0 0 8px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: -0.02em;
}

.session-types-modal .modal-subtitle {
    margin: 0;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.5;
}

.session-types-modal .modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.04);
    border: none;
    border-radius: 10px;
    color: #64748b;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.session-types-modal .modal-close:hover {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.session-types-modal-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 24px;
    -webkit-overflow-scrolling: touch;
    background: #fff;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.5) rgba(99, 102, 241, 0.08);
}

.session-types-modal-body::-webkit-scrollbar {
    width: 8px;
}

.session-types-modal-body::-webkit-scrollbar-track {
    background: rgba(99, 102, 241, 0.08);
    border-radius: 4px;
}

.session-types-modal-body::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.45);
    border-radius: 4px;
}

.session-types-modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.65);
}

.session-types-hint {
    margin-bottom: 20px !important;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06) 0%, rgba(139, 92, 246, 0.04) 100%);
    border-radius: 12px;
    font-size: 0.8125rem;
    color: #475569;
    border: 1px solid rgba(99, 102, 241, 0.1);
    line-height: 1.5;
}

.session-types-list-wrap {
    margin-bottom: 20px;
}

.session-types-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.add-session-type-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    justify-content: center;
    padding: 16px 20px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(139, 92, 246, 0.03) 100%);
    border: 2px dashed rgba(99, 102, 241, 0.35);
    border-radius: 14px;
    color: #6366f1;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.add-session-type-btn:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.5);
    color: #4f46e5;
    transform: translateY(-1px);
}

.add-session-type-icon {
    font-size: 1.25rem;
    line-height: 1;
    font-weight: 300;
}

.session-types-form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
    padding-top: 20px;
    margin-top: 4px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.session-types-form-actions .primary-btn {
    min-width: 160px;
}

.session-types-form-actions .secondary-btn {
    border-color: rgba(99, 102, 241, 0.2);
    color: #475569;
}

.session-types-form-actions .secondary-btn:hover {
    border-color: rgba(99, 102, 241, 0.35);
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.session-type-error {
    margin-bottom: var(--spacing-md);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 0.875rem;
}

/* Session type row (manage modal) – compact card, premium feel */
.session-type-row {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    flex-wrap: wrap;
}

.session-type-card-inline {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    padding: 18px 20px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(250, 250, 255, 0.95) 100%);
    border: 1px solid rgba(99, 102, 241, 0.12);
    border-radius: 14px;
    margin-bottom: 0;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.session-type-card-inline:hover {
    border-color: rgba(99, 102, 241, 0.2);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(139, 92, 246, 0.02) 100%);
}

.session-type-card-inline:focus-within {
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.session-type-row-fields {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    flex: 1;
    min-width: 0;
    align-items: flex-end;
}

.st-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.st-field-name {
    flex: 1;
    min-width: 160px;
}

.st-field-duration {
    width: 110px;
}

.st-field-price {
    width: 100px;
}

.st-field-free {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.st-free-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    color: #475569;
}

.st-free-label input {
    width: 18px;
    height: 18px;
    accent-color: #6366f1;
}

.st-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
}

.session-type-row .st-name,
.session-type-row .st-price {
    padding: 10px 14px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    font-size: 0.9375rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.session-type-row .st-name {
    min-width: 120px;
}

.session-type-row .st-name:focus,
.session-type-row .st-price:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
}

/* Premium custom dropdown – duration select */
.st-select-wrap {
    position: relative;
    display: block;
}

.st-select-wrap .st-duration {
    width: 100%;
    padding: 10px 36px 10px 14px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-primary);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.st-select-wrap .st-duration:hover {
    border-color: rgba(99, 102, 241, 0.25);
}

.st-select-wrap .st-duration:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
}

.st-select-chevron {
    position: absolute;
    right: 12px;
    bottom: 50%;
    transform: translateY(50%);
    pointer-events: none;
    color: var(--text-secondary);
    opacity: 0.85;
}

.st-select-wrap .st-duration:focus + .st-select-chevron,
.st-select-wrap:hover .st-select-chevron {
    color: var(--primary-color);
}

.session-type-row .st-remove {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.session-type-row .st-remove:hover {
    background: rgba(239, 68, 68, 0.06);
    color: #dc2626;
    border-color: rgba(239, 68, 68, 0.2);
}

.session-type-row .st-remove svg {
    flex-shrink: 0;
    opacity: 0.9;
}

/* Card Header with Action */
.card-header-with-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-header-with-action h3 {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .slots-grid {
        grid-template-columns: 1fr;
    }
    
    .slot-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .slot-info {
        width: 100%;
        justify-content: space-between;
    }
    
    .cancel-slot-btn {
        width: 100%;
    }
    
    .card-header-with-action {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .card-header-with-action .primary-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions button {
        width: 100%;
    }
}

/* Session types – responsive */
@media (max-width: 640px) {
    .meet-link-section {
        padding: var(--spacing-lg);
    }
    
    .meet-link-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .meet-link-input {
        min-width: 0;
    }
    
    .meet-link-display-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .meet-link-change-btn {
        width: 100%;
    }
    
    .session-types-section-modern {
        padding: var(--spacing-lg);
    }
    
    .session-types-section-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .session-types-section-icon {
        width: 40px;
        height: 40px;
    }
    
    .manage-session-types-btn {
        width: 100%;
        min-width: 0;
    }
    
    .session-types-modal-body {
        padding: 20px;
    }
    
    .session-type-card-inline {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
    }
    
    .session-type-row-fields {
        flex-direction: column;
    }
    
    .st-field-name,
    .st-field-duration,
    .st-field-free,
    .st-field-price {
        width: 100%;
        min-width: 0;
    }

    .st-field-duration {
        width: 100%;
    }
    
    .session-type-row .st-remove {
        width: 100%;
        justify-content: center;
    }
    
    .session-types-form-actions {
        flex-direction: column;
    }
    
    .session-types-form-actions button {
        width: 100%;
    }
}

/* ========== Book & Pay overlay (UX only; no payment logic) ========== */
.booking-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: auto;
}

.booking-overlay.booking-overlay-visible {
    opacity: 1;
}

.booking-overlay-panel {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 28px 32px;
    max-width: 360px;
    width: 90%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.booking-overlay-phase {
    text-align: center;
    transition: opacity 0.3s ease;
}

.booking-overlay-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary-color, #6366f1);
    border-radius: 50%;
    animation: bookingOverlaySpin 0.8s linear infinite;
}

@keyframes bookingOverlaySpin {
    to { transform: rotate(360deg); }
}

.booking-overlay-title {
    margin: 0 0 8px;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
}

.booking-overlay-sub {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
    line-height: 1.45;
}

@keyframes bookingOverlayFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Success state – same style as app success messages (green, no glassmorphism) */
.booking-overlay-panel-success {
    background: #ecfdf5;
    border: 1px solid #10b981;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.booking-overlay-success {
    text-align: center;
    animation: bookingOverlayFadeIn 0.3s ease forwards;
}

.booking-overlay-success-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: #10b981;
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.booking-overlay-success-title {
    margin: 0 0 10px;
    font-size: 1.125rem;
    font-weight: 700;
    color: #047857;
}

.booking-overlay-success-msg {
    margin: 0 0 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #047857;
    line-height: 1.45;
}

.booking-overlay-redirect {
    margin: 0;
    font-size: 0.8125rem;
    color: #64748b;
    line-height: 1.4;
}

@media (max-width: 480px) {
    .booking-overlay-panel {
        padding: 22px 24px;
        max-width: 100%;
    }
    .booking-overlay-title {
        font-size: 1rem;
    }
    .booking-overlay-sub {
        font-size: 0.8125rem;
    }
}