/* ========================================
   Checkout Page Styles
   ======================================== */

.checkout-section {
    padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl);
    min-height: 100vh;
}

/* ========================================
   Progress Steps
   ======================================== */

.checkout-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
}

.progress-step.active .step-number,
.progress-step.completed .step-number {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 0 20px var(--glow-color);
}

.step-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

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

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

/* ========================================
   Checkout Steps
   ======================================== */

.checkout-step {
    display: none;
}

.checkout-step.active {
    display: block;
}

.step-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.step-header h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.step-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* ========================================
   Bike Selection
   ======================================== */

.bike-selection-info {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.class-summary h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.summary-details {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.bike-grid-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.stage-indicator {
    margin-bottom: var(--spacing-xl);
}

.bike-row {
    margin-bottom: var(--spacing-xl);
}

.row-label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.bikes {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.bike {
    position: relative;
    width: 100px;
    height: 100px;
    background: var(--color-bg-alt);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.bike:hover:not(:disabled) {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.bike.selected {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 0 20px var(--glow-color);
}

.bike.taken {
    background: var(--color-bg);
    border-color: var(--color-border);
    opacity: 0.4;
    cursor: not-allowed;
}

.bike-number {
    position: absolute;
    bottom: 8px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.bike-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.legend-icon {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border);
}

.legend-icon.available {
    background: var(--color-bg-alt);
}

.legend-icon.selected {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.legend-icon.taken {
    background: var(--color-bg);
    opacity: 0.4;
}

/* ========================================
   Checkout Form
   ======================================== */

.checkout-form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.checkout-form {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ========================================
   Booking Summary
   ======================================== */

.booking-summary {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: calc(80px + var(--spacing-lg));
}

.booking-summary h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.summary-item span {
    color: var(--color-text-secondary);
}

.summary-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-lg) 0;
}

.summary-item.total {
    font-size: var(--font-size-lg);
}

.summary-item.total span {
    color: var(--color-text);
}

/* ========================================
   Step Actions
   ======================================== */

.step-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* ========================================
   Confirmation
   ======================================== */

.confirmation-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.confirmation-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 0 40px var(--glow-color);
}

.confirmation-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.confirmation-content > p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.booking-details-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.booking-details-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.detail-row span {
    color: var(--color-text-secondary);
}

.next-steps {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.next-steps h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.next-steps ul {
    list-style: none;
    margin: 0;
}

.next-steps li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.next-steps li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.confirmation-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
    .checkout-form-container {
        grid-template-columns: 1fr;
    }

    .booking-summary {
        position: static;
    }
}

@media (max-width: 768px) {
    .progress-line {
        width: 50px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }

    .step-label {
        font-size: var(--font-size-xs);
    }

    .bike {
        width: 80px;
        height: 80px;
    }

    .bike svg {
        width: 30px;
        height: 30px;
    }

    .step-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .confirmation-actions {
        flex-direction: column;
        align-items: stretch;
    }
}