/* CycleFix Booking System - Frontend Styles */
/* Modern, Clean UI for 2026 */

:root {
    --cfb-primary: #00b4d8;
    --cfb-primary-dark: #0077b6;
    --cfb-secondary: #023e8a;
    --cfb-success: #10b981;
    --cfb-warning: #f59e0b;
    --cfb-error: #ef4444;
    --cfb-gray-50: #f9fafb;
    --cfb-gray-100: #f3f4f6;
    --cfb-gray-200: #e5e7eb;
    --cfb-gray-300: #d1d5db;
    --cfb-gray-400: #9ca3af;
    --cfb-gray-500: #6b7280;
    --cfb-gray-600: #4b5563;
    --cfb-gray-700: #374151;
    --cfb-gray-800: #1f2937;
    --cfb-gray-900: #111827;
    --cfb-radius-sm: 8px;
    --cfb-radius: 12px;
    --cfb-radius-lg: 16px;
    --cfb-radius-xl: 24px;
    --cfb-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --cfb-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --cfb-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --cfb-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Main Container */
.cfb-booking-container {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
    background: var(--cfb-gray-50);
    border-radius: var(--cfb-radius-xl);
    overflow: hidden;
    box-shadow: var(--cfb-shadow-xl);
}

/* Header */
.cfb-header {
    background: linear-gradient(135deg, var(--cfb-primary) 0%, var(--cfb-primary-dark) 100%);
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cfb-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10%, -10%); }
}

.cfb-header h2 {
    color: white;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}

.cfb-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin: 0;
    position: relative;
    z-index: 1;
}

/* Progress Steps */
.cfb-progress {
    display: flex;
    justify-content: center;
    padding: 30px 40px;
    background: white;
    border-bottom: 1px solid var(--cfb-gray-200);
    gap: 20px;
}

.cfb-progress-step {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cfb-gray-400);
    font-weight: 500;
    transition: var(--cfb-transition);
}

.cfb-progress-step.active {
    color: var(--cfb-primary);
}

.cfb-progress-step.completed {
    color: var(--cfb-success);
}

.cfb-progress-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--cfb-gray-200);
    transition: var(--cfb-transition);
}

.cfb-progress-step.active .cfb-progress-number {
    background: var(--cfb-primary);
    color: white;
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.2);
}

.cfb-progress-step.completed .cfb-progress-number {
    background: var(--cfb-success);
    color: white;
}

.cfb-progress-line {
    width: 60px;
    height: 2px;
    background: var(--cfb-gray-200);
}

.cfb-progress-line.completed {
    background: var(--cfb-success);
}

/* Form Sections */
.cfb-form-section {
    padding: 40px;
    display: none;
}

.cfb-form-section.active {
    display: block;
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cfb-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--cfb-gray-800);
    margin: 0 0 25px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cfb-section-title svg {
    width: 28px;
    height: 28px;
    color: var(--cfb-primary);
}

/* Service Selection */
.cfb-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.cfb-service-card {
    background: white;
    border: 2px solid var(--cfb-gray-200);
    border-radius: var(--cfb-radius);
    padding: 24px;
    cursor: pointer;
    transition: var(--cfb-transition);
    position: relative;
    overflow: hidden;
}

.cfb-service-card:hover {
    border-color: var(--cfb-primary);
    transform: translateY(-4px);
    box-shadow: var(--cfb-shadow-lg);
}

.cfb-service-card.selected {
    border-color: var(--cfb-primary);
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.05) 0%, rgba(0, 119, 182, 0.05) 100%);
}

.cfb-service-card.selected::after {
    content: '✓';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: var(--cfb-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.cfb-service-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--cfb-gray-800);
    margin-bottom: 8px;
}

.cfb-service-description {
    font-size: 0.875rem;
    color: var(--cfb-gray-500);
    margin-bottom: 16px;
    line-height: 1.5;
}

.cfb-service-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--cfb-gray-100);
}

.cfb-service-duration {
    font-size: 0.875rem;
    color: var(--cfb-gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.cfb-service-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cfb-primary);
}

.cfb-service-deposit {
    font-size: 0.75rem;
    color: var(--cfb-gray-500);
    margin-top: 2px;
}

/* Date Picker */
.cfb-date-picker {
    background: white;
    border-radius: var(--cfb-radius);
    padding: 24px;
    box-shadow: var(--cfb-shadow);
}

.cfb-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.cfb-calendar-month {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--cfb-gray-800);
}

.cfb-calendar-nav {
    display: flex;
    gap: 10px;
}

.cfb-calendar-nav button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--cfb-gray-200);
    background: white;
    border-radius: var(--cfb-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--cfb-transition);
    color: var(--cfb-gray-600);
}

.cfb-calendar-nav button:hover {
    background: var(--cfb-gray-50);
    border-color: var(--cfb-primary);
    color: var(--cfb-primary);
}

.cfb-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.cfb-calendar-weekday {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cfb-gray-400);
    text-transform: uppercase;
    padding: 8px 0;
}

.cfb-calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--cfb-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--cfb-transition);
    border: 2px solid transparent;
    color: var(--cfb-gray-700);
}

.cfb-calendar-day:hover:not(.disabled):not(.empty) {
    background: var(--cfb-gray-100);
}

.cfb-calendar-day.today {
    border-color: var(--cfb-primary);
}

.cfb-calendar-day.selected {
    background: var(--cfb-primary);
    color: white;
    font-weight: 600;
}

.cfb-calendar-day.disabled {
    color: var(--cfb-gray-300);
    cursor: not-allowed;
}

.cfb-calendar-day.empty {
    visibility: hidden;
}

/* Time Slots */
.cfb-time-slots-container {
    margin-top: 30px;
}

.cfb-time-slots-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cfb-gray-700);
    margin-bottom: 16px;
}

.cfb-time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
}

.cfb-time-slot {
    padding: 12px 16px;
    text-align: center;
    border: 2px solid var(--cfb-gray-200);
    border-radius: var(--cfb-radius-sm);
    background: white;
    cursor: pointer;
    font-weight: 500;
    color: var(--cfb-gray-700);
    transition: var(--cfb-transition);
}

.cfb-time-slot:hover {
    border-color: var(--cfb-primary);
    color: var(--cfb-primary);
}

.cfb-time-slot.selected {
    background: var(--cfb-primary);
    border-color: var(--cfb-primary);
    color: white;
}

.cfb-time-slot.unavailable {
    background: var(--cfb-gray-100);
    color: var(--cfb-gray-400);
    cursor: not-allowed;
    text-decoration: line-through;
}

.cfb-no-slots {
    text-align: center;
    padding: 40px;
    color: var(--cfb-gray-500);
}

.cfb-no-slots svg {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    color: var(--cfb-gray-400);
}

/* Form Fields */
.cfb-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.cfb-form-group {
    position: relative;
}

.cfb-form-group.full-width {
    grid-column: 1 / -1;
}

.cfb-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--cfb-gray-700);
    margin-bottom: 8px;
}

.cfb-form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--cfb-gray-200);
    border-radius: var(--cfb-radius-sm);
    font-size: 1rem;
    color: var(--cfb-gray-800);
    background: white;
    transition: var(--cfb-transition);
    font-family: inherit;
}

.cfb-form-input:focus {
    outline: none;
    border-color: var(--cfb-primary);
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.1);
}

.cfb-form-input::placeholder {
    color: var(--cfb-gray-400);
}

textarea.cfb-form-input {
    min-height: 120px;
    resize: vertical;
}

/* Payment Section */
.cfb-payment-section {
    background: white;
    border-radius: var(--cfb-radius);
    padding: 30px;
    box-shadow: var(--cfb-shadow);
}

.cfb-payment-summary {
    background: var(--cfb-gray-50);
    border-radius: var(--cfb-radius-sm);
    padding: 24px;
    margin-bottom: 30px;
}

.cfb-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 0.9375rem;
    color: var(--cfb-gray-600);
}

.cfb-summary-row.total {
    border-top: 2px solid var(--cfb-gray-200);
    margin-top: 10px;
    padding-top: 20px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--cfb-gray-800);
}

.cfb-summary-row.deposit {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cfb-primary);
}

.cfb-payment-methods {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.cfb-payment-method {
    flex: 1;
    padding: 20px;
    border: 2px solid var(--cfb-gray-200);
    border-radius: var(--cfb-radius-sm);
    cursor: pointer;
    transition: var(--cfb-transition);
    text-align: center;
    background: white;
}

.cfb-payment-method:hover {
    border-color: var(--cfb-primary);
}

.cfb-payment-method.selected {
    border-color: var(--cfb-primary);
    background: rgba(0, 180, 216, 0.05);
}

.cfb-payment-method img {
    height: 30px;
    margin-bottom: 8px;
}

.cfb-payment-method span {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cfb-gray-700);
}

/* Stripe Elements */
.cfb-card-element {
    padding: 16px;
    border: 2px solid var(--cfb-gray-200);
    border-radius: var(--cfb-radius-sm);
    background: white;
    transition: var(--cfb-transition);
}

.cfb-card-element:focus-within {
    border-color: var(--cfb-primary);
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.1);
}

.cfb-card-errors {
    color: var(--cfb-error);
    font-size: 0.875rem;
    margin-top: 10px;
}

/* Buttons */
.cfb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--cfb-radius-sm);
    cursor: pointer;
    transition: var(--cfb-transition);
    border: none;
    font-family: inherit;
}

.cfb-btn-primary {
    background: linear-gradient(135deg, var(--cfb-primary) 0%, var(--cfb-primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(0, 180, 216, 0.4);
}

.cfb-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 180, 216, 0.5);
}

.cfb-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.cfb-btn-secondary {
    background: white;
    color: var(--cfb-gray-700);
    border: 2px solid var(--cfb-gray-200);
}

.cfb-btn-secondary:hover {
    background: var(--cfb-gray-50);
    border-color: var(--cfb-gray-300);
}

.cfb-form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--cfb-gray-200);
}

/* Loading Spinner */
.cfb-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Success State */
.cfb-success-container {
    text-align: center;
    padding: 60px 40px;
}

.cfb-success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--cfb-success), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.cfb-success-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.cfb-success-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cfb-gray-800);
    margin-bottom: 12px;
}

.cfb-success-message {
    font-size: 1.0625rem;
    color: var(--cfb-gray-600);
    margin-bottom: 30px;
    line-height: 1.6;
}

.cfb-booking-details {
    background: var(--cfb-gray-100);
    border-radius: var(--cfb-radius);
    padding: 30px;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.cfb-booking-details h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cfb-gray-800);
    margin: 0 0 16px 0;
}

.cfb-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 0.9375rem;
}

.cfb-detail-label {
    color: var(--cfb-gray-500);
}

.cfb-detail-value {
    font-weight: 600;
    color: var(--cfb-gray-800);
}

/* Secure Badge */
.cfb-secure-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    font-size: 0.8125rem;
    color: var(--cfb-gray-500);
}

.cfb-secure-badge svg {
    width: 16px;
    height: 16px;
    color: var(--cfb-success);
}

/* Responsive */
@media (max-width: 768px) {
    .cfb-booking-container {
        border-radius: 0;
        margin: 0;
    }
    
    .cfb-header {
        padding: 30px 20px;
    }
    
    .cfb-header h2 {
        font-size: 1.5rem;
    }
    
    .cfb-progress {
        padding: 20px;
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .cfb-progress-step span {
        display: none;
    }
    
    .cfb-progress-line {
        width: 30px;
    }
    
    .cfb-form-section {
        padding: 25px 20px;
    }
    
    .cfb-services-grid {
        grid-template-columns: 1fr;
    }
    
    .cfb-form-grid {
        grid-template-columns: 1fr;
    }
    
    .cfb-payment-methods {
        flex-direction: column;
    }
    
    .cfb-form-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .cfb-form-actions .cfb-btn {
        width: 100%;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .cfb-booking-container {
        background: var(--cfb-gray-900);
    }
    
    .cfb-progress {
        background: var(--cfb-gray-800);
        border-color: var(--cfb-gray-700);
    }
    
    .cfb-service-card,
    .cfb-date-picker,
    .cfb-payment-section,
    .cfb-form-input {
        background: var(--cfb-gray-800);
        border-color: var(--cfb-gray-700);
        color: var(--cfb-gray-100);
    }
    
    .cfb-service-name,
    .cfb-section-title,
    .cfb-calendar-month {
        color: var(--cfb-gray-100);
    }
    
    .cfb-service-description,
    .cfb-form-label {
        color: var(--cfb-gray-400);
    }
}