/* ==========================================================================
   PsychoBooking - Frontend Booking Calendar
   ========================================================================== */

:root {
    --pb-primary: #4F46E5;
    --pb-primary-light: #818CF8;
    --pb-primary-dark: #3730A3;
    --pb-success: #10B981;
    --pb-danger: #EF4444;
    --pb-warning: #F59E0B;
    --pb-gray-50: #F9FAFB;
    --pb-gray-100: #F3F4F6;
    --pb-gray-200: #E5E7EB;
    --pb-gray-300: #D1D5DB;
    --pb-gray-400: #9CA3AF;
    --pb-gray-500: #6B7280;
    --pb-gray-600: #4B5563;
    --pb-gray-700: #374151;
    --pb-gray-800: #1F2937;
    --pb-gray-900: #111827;
    --pb-radius: 12px;
    --pb-radius-sm: 8px;
    --pb-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --pb-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --pb-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
    --pb-transition: all 0.2s ease;
}

/* Reset */
.pb-booking-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.pb-booking-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 720px;
    margin: 0 auto;
    color: var(--pb-gray-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Loading */
.pb-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--pb-gray-500);
}

.pb-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--pb-gray-200);
    border-top-color: var(--pb-primary);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: pb-spin 0.7s linear infinite;
}

@keyframes pb-spin {
    to { transform: rotate(360deg); }
}

/* Steps progress */
.pb-steps {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    padding: 0 16px;
}

.pb-step-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--pb-gray-400);
    font-weight: 500;
}

.pb-step-indicator.active {
    color: var(--pb-primary);
}

.pb-step-indicator.completed {
    color: var(--pb-success);
}

.pb-step-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--pb-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    transition: var(--pb-transition);
    border: 2px solid var(--pb-gray-200);
}

.pb-step-indicator.active .pb-step-dot {
    background: var(--pb-primary);
    color: #fff;
    border-color: var(--pb-primary);
}

.pb-step-indicator.completed .pb-step-dot {
    background: var(--pb-success);
    color: #fff;
    border-color: var(--pb-success);
}

.pb-step-line {
    width: 28px;
    height: 2px;
    background: var(--pb-gray-200);
    border-radius: 1px;
}

.pb-step-line.completed {
    background: var(--pb-success);
}

/* Step panels */
.pb-step-panel {
    display: none;
    animation: pb-fadeIn 0.3s ease;
}

.pb-step-panel.active {
    display: block;
}

@keyframes pb-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.pb-step-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--pb-gray-900);
    margin-bottom: 20px;
    padding: 0 4px;
}

/* Cards / Selection items */
.pb-option-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pb-option-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border: 2px solid var(--pb-gray-200);
    border-radius: var(--pb-radius);
    cursor: pointer;
    transition: var(--pb-transition);
    background: #fff;
}

.pb-option-card:hover {
    border-color: var(--pb-primary-light);
    box-shadow: var(--pb-shadow);
}

.pb-option-card.selected {
    border-color: var(--pb-primary);
    background: rgba(79, 70, 229, 0.04);
}

.pb-option-card .pb-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--pb-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.pb-option-card.selected .pb-icon {
    background: var(--pb-primary);
    color: #fff;
}

.pb-option-info {
    flex: 1;
    min-width: 0;
}

.pb-option-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--pb-gray-800);
}

.pb-option-detail {
    font-size: 13px;
    color: var(--pb-gray-500);
    margin-top: 2px;
}

.pb-option-price {
    font-weight: 700;
    font-size: 16px;
    color: var(--pb-primary);
    white-space: nowrap;
}

/* Staff photo */
.pb-staff-photo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.pb-staff-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--pb-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

/* Calendar */
.pb-calendar {
    background: #fff;
    border: 1px solid var(--pb-gray-200);
    border-radius: var(--pb-radius);
    overflow: hidden;
}

.pb-calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--pb-gray-50);
    border-bottom: 1px solid var(--pb-gray-200);
}

.pb-calendar-title {
    font-weight: 700;
    font-size: 16px;
    color: var(--pb-gray-800);
}

.pb-calendar-nav {
    background: none;
    border: 1px solid var(--pb-gray-300);
    width: 34px;
    height: 34px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pb-gray-600);
    transition: var(--pb-transition);
    font-size: 16px;
}

.pb-calendar-nav:hover {
    background: var(--pb-gray-100);
    border-color: var(--pb-gray-400);
}

.pb-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
}

.pb-calendar-day-name {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--pb-gray-500);
    text-transform: uppercase;
    padding: 12px 0 8px;
    letter-spacing: 0.5px;
}

.pb-calendar-day {
    text-align: center;
    padding: 8px 4px;
}

.pb-calendar-day-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--pb-gray-700);
    transition: var(--pb-transition);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pb-calendar-day-btn:hover:not(:disabled) {
    background: var(--pb-primary);
    color: #fff;
}

.pb-calendar-day-btn.selected {
    background: var(--pb-primary);
    color: #fff;
    font-weight: 700;
}

.pb-calendar-day-btn.today {
    border: 2px solid var(--pb-primary);
}

.pb-calendar-day-btn:disabled {
    color: var(--pb-gray-300);
    cursor: default;
}

.pb-calendar-day-btn.other-month {
    color: var(--pb-gray-300);
}

/* Time slots */
.pb-time-slots {
    margin-top: 20px;
}

.pb-time-slots-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--pb-gray-700);
    margin-bottom: 12px;
}

.pb-time-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.pb-time-slot {
    padding: 12px 8px;
    text-align: center;
    border: 2px solid var(--pb-gray-200);
    border-radius: var(--pb-radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    color: var(--pb-gray-700);
    background: #fff;
    transition: var(--pb-transition);
}

.pb-time-slot:hover:not(.unavailable) {
    border-color: var(--pb-primary);
    background: rgba(79, 70, 229, 0.04);
}

.pb-time-slot.selected {
    background: var(--pb-primary);
    color: #fff;
    border-color: var(--pb-primary);
}

.pb-time-slot.unavailable {
    background: var(--pb-gray-50);
    color: var(--pb-gray-300);
    cursor: default;
    text-decoration: line-through;
    border-color: var(--pb-gray-100);
}

/* Form */
.pb-form-group {
    margin-bottom: 20px;
}

.pb-form-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--pb-gray-700);
    margin-bottom: 6px;
}

.pb-form-label .pb-required {
    color: var(--pb-danger);
}

.pb-form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--pb-gray-200);
    border-radius: var(--pb-radius-sm);
    font-size: 15px;
    color: var(--pb-gray-800);
    background: #fff;
    transition: var(--pb-transition);
    font-family: inherit;
}

.pb-form-input:focus {
    outline: none;
    border-color: var(--pb-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.pb-form-input.error {
    border-color: var(--pb-danger);
}

.pb-form-error {
    font-size: 12px;
    color: var(--pb-danger);
    margin-top: 4px;
}

textarea.pb-form-input {
    min-height: 80px;
    resize: vertical;
}

/* Consent checkbox */
.pb-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 20px;
    padding: 16px;
    background: var(--pb-gray-50);
    border-radius: var(--pb-radius-sm);
}

.pb-consent input[type="checkbox"] {
    margin-top: 2px;
    width: 18px;
    height: 18px;
    accent-color: var(--pb-primary);
    flex-shrink: 0;
}

.pb-consent label {
    font-size: 13px;
    color: var(--pb-gray-600);
    line-height: 1.5;
    cursor: pointer;
}

/* Summary */
.pb-summary {
    background: var(--pb-gray-50);
    border: 1px solid var(--pb-gray-200);
    border-radius: var(--pb-radius);
    padding: 24px;
}

.pb-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--pb-gray-200);
    font-size: 14px;
}

.pb-summary-row:last-child {
    border-bottom: none;
}

.pb-summary-label {
    color: var(--pb-gray-500);
    font-weight: 500;
}

.pb-summary-value {
    color: var(--pb-gray-800);
    font-weight: 600;
    text-align: right;
}

.pb-summary-total {
    font-size: 18px;
    padding-top: 14px;
    margin-top: 4px;
}

.pb-summary-total .pb-summary-value {
    color: var(--pb-primary);
    font-size: 20px;
}

/* Navigation buttons */
.pb-nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 28px;
    gap: 12px;
}

.pb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--pb-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pb-transition);
    border: 2px solid transparent;
    font-family: inherit;
    min-height: 48px;
}

.pb-btn-primary {
    background: var(--pb-primary);
    color: #fff;
    border-color: var(--pb-primary);
}

.pb-btn-primary:hover {
    background: var(--pb-primary-dark);
    border-color: var(--pb-primary-dark);
}

.pb-btn-primary:disabled {
    background: var(--pb-gray-300);
    border-color: var(--pb-gray-300);
    cursor: not-allowed;
}

.pb-btn-secondary {
    background: #fff;
    color: var(--pb-gray-700);
    border-color: var(--pb-gray-300);
}

.pb-btn-secondary:hover {
    background: var(--pb-gray-50);
    border-color: var(--pb-gray-400);
}

.pb-btn-full {
    width: 100%;
}

/* Success screen */
.pb-success-screen {
    text-align: center;
    padding: 40px 20px;
}

.pb-success-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--pb-success);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    animation: pb-scaleIn 0.4s ease;
}

@keyframes pb-scaleIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

.pb-success-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--pb-gray-900);
    margin-bottom: 8px;
}

.pb-success-message {
    font-size: 15px;
    color: var(--pb-gray-500);
    margin-bottom: 28px;
}

/* Error message */
.pb-error-banner {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #991B1B;
    padding: 12px 16px;
    border-radius: var(--pb-radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
}

/* Empty state */
.pb-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--pb-gray-400);
    font-size: 14px;
}

/* Service tag */
.pb-service-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    margin-right: 4px;
    margin-top: 4px;
}

/* Nearest available badge on staff cards */
.pb-nearest-badge {
    display: inline-block;
    margin-top: 6px;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    background: #D1FAE5;
    color: #065F46;
}

.pb-nearest-badge.pb-no-dates {
    background: #FEE2E2;
    color: #991B1B;
}

/* Calendar legend */
.pb-calendar-legend {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--pb-gray-500);
    padding: 0 4px;
}

.pb-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pb-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.pb-legend-dot.pb-dot-available {
    background: var(--pb-success);
}

.pb-legend-dot.pb-dot-unavailable {
    background: var(--pb-gray-300);
}

/* Calendar day with available slots - green dot indicator */
.pb-calendar-day-btn {
    position: relative;
}

.pb-avail-dot {
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pb-success);
}

.pb-calendar-day-btn.selected .pb-avail-dot {
    background: #fff;
}

.pb-calendar-day-btn.has-slots {
    color: var(--pb-gray-900);
    font-weight: 700;
}

.pb-calendar-day-btn.has-slots:not(.selected):not(:disabled) {
    background: rgba(16, 185, 129, 0.08);
}

.pb-calendar-day-btn.has-slots:hover:not(:disabled):not(.selected) {
    background: var(--pb-primary);
    color: #fff;
}

.pb-calendar-day-btn.has-slots:hover:not(:disabled):not(.selected) .pb-avail-dot {
    background: #fff;
}

.pb-calendar-day-btn.no-availability:not(.selected) {
    color: var(--pb-gray-300);
}

/* Responsive */
@media (max-width: 640px) {
    .pb-booking-wrapper {
        margin: 0;
    }

    .pb-time-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pb-steps {
        gap: 4px;
    }

    .pb-step-indicator span {
        display: none;
    }

    .pb-step-line {
        width: 24px;
    }

    .pb-calendar-day-btn {
        width: 34px;
        height: 34px;
        font-size: 13px;
    }

    .pb-option-card {
        padding: 12px 14px;
    }

    .pb-nav-buttons {
        flex-direction: column-reverse;
    }

    .pb-btn {
        width: 100%;
    }
}