/**
 * Frontend Booking Styles (Customer-facing - FRENCH).
 *
 * @since      1.0.0
 * @package    Electric_Rides_Booking
 */

/* ==========================================================================
   Variables & Reset
   ========================================================================== */
:root {
    --erb-primary: #4CAF50;
    --erb-primary-hover: #45a049;
    --erb-secondary: #2196F3;
    --erb-danger: #f44336;
    --erb-warning: #ff9800;
    --erb-success: #4CAF50;
    --erb-text: #333;
    --erb-text-light: #666;
    --erb-border: #ddd;
    --erb-bg-light: #f9f9f9;
    --erb-white: #fff;
    --erb-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --erb-radius: 8px;
}

/* ==========================================================================
   Container
   ========================================================================== */
.erb-booking-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */
.erb-progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    padding: 30px 0;
    background: var(--erb-white);
    border-radius: var(--erb-radius);
    box-shadow: var(--erb-shadow);
}

.erb-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: relative;
}

.erb-step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--erb-bg-light);
    color: var(--erb-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.erb-progress-step.active .erb-step-number {
    background: var(--erb-primary);
    color: var(--erb-white);
    transform: scale(1.1);
}

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

.erb-step-label {
    font-size: 14px;
    color: var(--erb-text-light);
    font-weight: 500;
}

.erb-progress-step.active .erb-step-label {
    color: var(--erb-primary);
    font-weight: 600;
}

.erb-progress-line {
    width: 100px;
    height: 2px;
    background: var(--erb-border);
    margin: 0 20px;
}

/* ==========================================================================
   Booking Form
   ========================================================================== */
.erb-booking-form {
    background: var(--erb-white);
    border-radius: var(--erb-radius);
    box-shadow: var(--erb-shadow);
    overflow: hidden;
}

.erb-step {
    display: none;
}

.erb-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.erb-step-content {
    padding: 40px;
}

.erb-step-title {
    font-size: 28px;
    color: var(--erb-text);
    margin: 0 0 10px 0;
}

.erb-step-description {
    color: var(--erb-text-light);
    margin: 0 0 30px 0;
    font-size: 16px;
}

/* ==========================================================================
   Step 1: Calendar & Time Slots
   ========================================================================== */
.erb-datetime-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* Calendar */
.erb-calendar-section {
    background: var(--erb-bg-light);
    padding: 20px;
    border-radius: var(--erb-radius);
}

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

.erb-calendar-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.erb-calendar-nav {
    background: var(--erb-white);
    border: 1px solid var(--erb-border);
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.erb-calendar-nav:hover {
    background: var(--erb-primary);
    color: var(--erb-white);
    border-color: var(--erb-primary);
}

.erb-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    margin-bottom: 10px;
}

.erb-weekday {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--erb-text-light);
    padding: 10px 0;
}

.erb-calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
}

.erb-calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--erb-white);
}

.erb-calendar-day.erb-empty {
    background: transparent;
    cursor: default;
}

.erb-calendar-day.erb-past {
    color: var(--erb-text-light);
    opacity: 0.4;
    cursor: not-allowed;
}

.erb-calendar-day.erb-available {
    border: 2px solid var(--erb-success);
    font-weight: 600;
}

.erb-calendar-day.erb-available:hover {
    background: var(--erb-success);
    color: var(--erb-white);
    transform: scale(1.05);
}

.erb-calendar-day.erb-unavailable {
    background: var(--erb-bg-light);
    color: var(--erb-text-light);
    cursor: not-allowed;
}

.erb-calendar-day.erb-selected {
    background: var(--erb-primary);
    color: var(--erb-white);
    border-color: var(--erb-primary);
}

.erb-calendar-legend {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--erb-border);
}

.erb-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.erb-legend-color {
    width: 20px;
    height: 20px;
    border-radius: 3px;
}

.erb-legend-color.erb-available {
    background: var(--erb-success);
}

.erb-legend-color.erb-limited {
    background: var(--erb-warning);
}

.erb-legend-color.erb-unavailable {
    background: var(--erb-bg-light);
}

/* Time Slots */
.erb-timeslots-section {
    background: var(--erb-bg-light);
    padding: 20px;
    border-radius: var(--erb-radius);
}

.erb-section-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 15px 0;
}

.erb-timeslots-instruction {
    margin: 0 0 20px 0;
    color: var(--erb-text-light);
}

.erb-timeslots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.erb-timeslot {
    background: var(--erb-white);
    border: 2px solid var(--erb-border);
    border-radius: var(--erb-radius);
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.erb-timeslot:hover:not(.erb-disabled) {
    border-color: var(--erb-primary);
    transform: translateY(-2px);
    box-shadow: var(--erb-shadow);
}

.erb-timeslot.erb-selected {
    background: var(--erb-primary);
    border-color: var(--erb-primary);
    color: var(--erb-white);
}

.erb-timeslot.erb-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.erb-slot-time {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
}

.erb-slot-info {
    font-size: 12px;
    margin-bottom: 3px;
}

.erb-slot-status {
    font-size: 11px;
    font-weight: 600;
}

.erb-slot-green { border-color: var(--erb-success); }
.erb-slot-orange { border-color: var(--erb-warning); }
.erb-slot-red { border-color: var(--erb-danger); }
.erb-slot-grey { border-color: var(--erb-border); }

/* ==========================================================================
   Step 2: Vehicle Selection
   ========================================================================== */
.erb-selection-summary {
    background: var(--erb-bg-light);
    padding: 15px 20px;
    border-radius: var(--erb-radius);
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.erb-summary-item {
    display: flex;
    gap: 10px;
}

.erb-summary-label {
    font-weight: 600;
    color: var(--erb-text);
}

.erb-summary-value {
    color: var(--erb-text-light);
}

.erb-vehicles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.erb-vehicle-card {
    background: var(--erb-white);
    border: 2px solid var(--erb-border);
    border-radius: var(--erb-radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

.erb-vehicle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.erb-vehicle-card.erb-selected {
    border-color: var(--erb-primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.erb-vehicle-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--erb-bg-light);
}

.erb-vehicle-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.erb-vehicle-info {
    padding: 20px;
}

.erb-vehicle-name {
    font-size: 20px;
    margin: 0 0 10px 0;
    color: var(--erb-text);
}

.erb-vehicle-description {
    color: var(--erb-text-light);
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.erb-vehicle-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--erb-border);
}

.erb-vehicle-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--erb-primary);
}

.erb-vehicle-duration {
    font-size: 14px;
    color: var(--erb-text-light);
}

/* ==========================================================================
   Step 3: Customer Info & Summary
   ========================================================================== */
.erb-step3-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
}

.erb-form-group {
    margin-bottom: 20px;
}

.erb-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--erb-text);
}

.erb-required {
    color: var(--erb-danger);
}

.erb-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--erb-border);
    border-radius: var(--erb-radius);
    font-size: 16px;
    transition: all 0.2s ease;
}

.erb-input:focus {
    outline: none;
    border-color: var(--erb-primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.erb-help-text {
    display: block;
    margin-top: 5px;
    font-size: 13px;
    color: var(--erb-text-light);
}

.erb-payment-option {
    background: var(--erb-white);
    border: 2px solid var(--erb-border);
    border-radius: var(--erb-radius);
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.erb-payment-option:hover {
    border-color: var(--erb-primary);
}

.erb-payment-option input[type="radio"] {
    margin-right: 10px;
}

.erb-payment-option input[type="radio"]:checked + .erb-payment-label {
    font-weight: 600;
}

.erb-payment-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.erb-payment-icon {
    font-size: 24px;
}

.erb-payment-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.erb-payment-text small {
    color: var(--erb-text-light);
    font-size: 13px;
}

.erb-checkbox-label {
    display: flex;
    align-items: start;
    gap: 10px;
    cursor: pointer;
}

.erb-checkbox-label input[type="checkbox"] {
    margin-top: 3px;
}

/* Booking Summary Sidebar */
.erb-booking-summary-section .sticky {
    position: sticky;
    top: 20px;
}

.erb-booking-summary {
    background: var(--erb-bg-light);
    border-radius: var(--erb-radius);
    padding: 20px;
}

.erb-summary-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 20px 0;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--erb-border);
}

.erb-summary-card {
    background: var(--erb-white);
    border-radius: var(--erb-radius);
    overflow: hidden;
}

.erb-summary-vehicle-image {
    width: 100%;
    height: 150px;
    overflow: hidden;
    background: var(--erb-bg-light);
}

.erb-summary-vehicle-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.erb-summary-details {
    padding: 20px;
}

.erb-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--erb-bg-light);
}

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

.erb-summary-label {
    font-weight: 600;
    color: var(--erb-text);
}

.erb-summary-value {
    color: var(--erb-text-light);
}

.erb-summary-price {
    background: var(--erb-primary);
    color: var(--erb-white);
    padding: 20px;
}

.erb-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.erb-price-label {
    font-size: 16px;
    font-weight: 600;
}

.erb-price-amount {
    font-size: 32px;
    font-weight: 700;
}

/* ==========================================================================
   Navigation Buttons
   ========================================================================== */
.erb-step-navigation {
    display: flex;
    justify-content: space-between;
    padding: 30px 40px;
    background: var(--erb-bg-light);
    border-top: 1px solid var(--erb-border);
}

.erb-btn {
    padding: 12px 30px;
    border: none;
    border-radius: var(--erb-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.erb-btn-primary {
    background: var(--erb-primary);
    color: var(--erb-white);
}

.erb-btn-primary:hover:not(:disabled) {
    background: var(--erb-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.erb-btn-primary:disabled {
    background: var(--erb-border);
    cursor: not-allowed;
    opacity: 0.6;
}

.erb-btn-secondary {
    background: var(--erb-white);
    color: var(--erb-text);
    border: 2px solid var(--erb-border);
}

.erb-btn-secondary:hover:not(:disabled) {
    background: var(--erb-bg-light);
}

.erb-btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

/* ==========================================================================
   Loading Overlay
   ========================================================================== */
.erb-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.erb-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--erb-bg-light);
    border-top-color: var(--erb-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media screen and (max-width: 1024px) {
    .erb-step3-layout {
        grid-template-columns: 1fr;
    }

    .erb-booking-summary-section .sticky {
        position: static;
    }
}

@media screen and (max-width: 768px) {
    .erb-datetime-container {
        grid-template-columns: 1fr;
    }

    .erb-progress-line {
        width: 50px;
        margin: 0 10px;
    }

    .erb-step-content {
        padding: 20px;
    }

    .erb-vehicles-grid {
        grid-template-columns: 1fr;
    }

    .erb-step-navigation {
        flex-direction: column;
        gap: 10px;
    }

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

@media screen and (max-width: 480px) {
    .erb-progress-bar {
        padding: 20px 10px;
    }

    .erb-step-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .erb-step-label {
        font-size: 12px;
    }

    .erb-progress-line {
        width: 30px;
        margin: 0 5px;
    }

    .erb-selection-summary {
        flex-direction: column;
        gap: 10px;
    }
}