/**
 * Registration System - Enhanced v2.0 (Optimized)
 * Modern, clean design with dark mode support and enhanced UX
 */

:root {
    /* Colors - Professional Business 2025 Palette */
    --primary: #2563eb; /* Professional Blue */
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-container: #eff6ff;
    --on-primary-container: #1e40af;
    --secondary: #0891b2; /* Professional Teal */
    --accent: #059669; /* Professional Green */
    
    /* Surfaces - Enhanced with subtle tints */
    --surface: #ffffff;
    --surface-container: #fafbfe;
    --surface-high: #f1f5f9;
    --on-surface: #0f172a;
    --on-surface-variant: #475569;
    --outline: #e2e8f0;
    
    /* Semantic - Professional */
    --success: #059669;
    --success-container: #dcfce7;
    --error: #dc2626;
    --error-container: #fee2e2;
    --warning: #d97706;
    --warning-container: #fef3c7;
    
    /* Effects - Professional glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.98);
    --glass-border: rgba(37, 99, 235, 0.08);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    /* Spacing */
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    
    /* Border Radius */
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Typography */
    --font-family: 'Inter', system-ui, sans-serif;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Animation */
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #2563eb;
        --primary-container: #1e40af;
        --on-primary-container: #dbeafe;
        --secondary: #0891b2;
        
        --surface: #111827;
        --surface-container: #1f2937;
        --surface-high: #374151;
        --on-surface: #f9fafb;
        --on-surface-variant: #d1d5db;
        --outline: #4b5563;
        
        --success-container: #064e3b;
        --error-container: #7f1d1d;
        
        --glass-bg: rgba(17, 24, 39, 0.95);
        --glass-border: rgba(255, 255, 255, 0.1);
        --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    }
}

/* Dark Mode Class Overrides */
.dark-mode :root,
body.dark-mode :root,
html.dark-mode :root {
    --primary: #2563eb;
    --primary-container: #1e40af;
    --on-primary-container: #dbeafe;
    --secondary: #0891b2;
    
    --surface: #111827;
    --surface-container: #1f2937;
    --surface-high: #374151;
    --on-surface: #f9fafb;
    --on-surface-variant: #d1d5db;
    --outline: #4b5563;
    
    --success-container: #064e3b;
    --error-container: #7f1d1d;
    
    --glass-bg: rgba(17, 24, 39, 0.95);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

/* Dark Mode Overrides for New Structure */
@media (prefers-color-scheme: dark) {
    body {
        background: #0f172a;
        color: var(--on-surface);
    }
    .registration-container {
        background: linear-gradient(135deg, #111827 0%, #1f2937 50%, #374151 100%);
        background-image: 
            radial-gradient(at 47% 33%, rgba(37, 99, 235, 0.05) 0, transparent 59%), 
            radial-gradient(at 82% 65%, rgba(8, 145, 178, 0.03) 0, transparent 55%),
            radial-gradient(at 25% 75%, rgba(5, 150, 105, 0.02) 0, transparent 40%),
            linear-gradient(125deg, rgba(37, 99, 235, 0.02) 0%, rgba(8, 145, 178, 0.02) 100%);
    }
    
    .form-main {
        background: linear-gradient(135deg, rgba(17, 24, 39, 0.95) 0%, rgba(31, 41, 55, 0.9) 100%) !important;
        border: 1px solid rgba(75, 85, 99, 0.2) !important;
        box-shadow: 
            0 20px 25px -5px rgba(0, 0, 0, 0.4),
            0 10px 10px -5px rgba(0, 0, 0, 0.2),
            0 0 0 1px rgba(75, 85, 99, 0.1) !important;
    }
    
    .form-main:hover {
        box-shadow: 
            0 25px 50px -12px rgba(0, 0, 0, 0.6),
            0 0 0 1px rgba(75, 85, 99, 0.2) !important;
    }
    
    .form-section {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .form-section:hover {
        background: var(--surface-high);
    }
    
    .form-control,
    .form-input,
    .form-select,
    .form-textarea {
        background: var(--surface);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .form-control:focus,
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        background: var(--surface);
        border-color: var(--primary);
    }
    
    .form-control::placeholder,
    .form-input::placeholder,
    .form-textarea::placeholder {
        color: var(--on-surface-variant);
    }
    
    .checkbox-item,
    .radio-group {
        background: var(--surface);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .checkbox-item:hover,
    .radio-group:hover {
        background: var(--surface-container);
        border-color: var(--primary);
    }
    
    .event-sidebar {
        background: var(--glass-bg);
        border-color: var(--glass-border);
    }
    
    .event-info-compact {
        background: var(--glass-bg);
        border-color: var(--glass-border);
    }
    
    .quick-detail {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface-variant);
    }
    
    .quick-detail:hover {
        background: var(--surface-high);
    }
    
    .payment-summary {
        background: var(--surface-container);
        border-color: var(--primary);
    }
    
    .summary-item {
        border-bottom-color: var(--outline);
        color: var(--on-surface);
    }
    
    .summary-label {
        color: var(--on-surface);
    }
    
    .summary-value {
        color: var(--on-surface);
    }
    
    .payment-element {
        background: var(--surface);
        border-color: var(--outline);
    }
    
    .payment-element:hover {
        border-color: var(--primary);
    }
    
    #payment-element-container {
        background: var(--surface-container);
        border-color: var(--outline);
    }
    
    .StripeElement {
        background: var(--surface) !important;
        border-color: var(--outline) !important;
        color: var(--on-surface) !important;
    }
    
    .StripeElement:focus,
    .StripeElement--focus {
        border-color: var(--primary) !important;
    }
    
    .btn-outline {
        background: transparent;
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .btn-outline:hover:not(:disabled) {
        background: rgba(59, 130, 246, 0.1);
        border-color: var(--primary);
        color: var(--primary);
    }
    
    .event-detail {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .event-detail:hover {
        background: var(--surface-high);
    }
    
    .kit-gara-section {
        background: var(--glass-bg);
        border-color: var(--glass-border);
    }
    
    .kit-item {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .kit-item:hover {
        background: var(--surface-high);
    }
    
    .kit-item-name {
        color: var(--on-surface);
    }
    
    .kit-item-description {
        color: var(--on-surface-variant);
    }
    
    .form-navigation {
        border-top-color: var(--outline);
    }
    
    .loading-overlay {
        background: rgba(15, 23, 42, 0.9);
    }
    
    .form-main::after {
        background: radial-gradient(circle, rgba(75, 85, 99, 0.05) 0%, transparent 70%) !important;
    }
}

/* Dark Mode Class Overrides */
.dark-mode,
body.dark-mode,
html.dark-mode {
    body {
        background: #0f172a;
        color: var(--on-surface);
    }
    .registration-container {
        background: linear-gradient(135deg, #111827 0%, #1f2937 50%, #374151 100%);
        background-image: 
            radial-gradient(at 47% 33%, rgba(37, 99, 235, 0.05) 0, transparent 59%), 
            radial-gradient(at 82% 65%, rgba(8, 145, 178, 0.03) 0, transparent 55%),
            radial-gradient(at 25% 75%, rgba(5, 150, 105, 0.02) 0, transparent 40%),
            linear-gradient(125deg, rgba(37, 99, 235, 0.02) 0%, rgba(8, 145, 178, 0.02) 100%);
    }
    
    .form-main {
        background: linear-gradient(135deg, rgba(17, 24, 39, 0.95) 0%, rgba(31, 41, 55, 0.9) 100%) !important;
        border: 1px solid rgba(75, 85, 99, 0.2) !important;
        box-shadow: 
            0 20px 25px -5px rgba(0, 0, 0, 0.4),
            0 10px 10px -5px rgba(0, 0, 0, 0.2),
            0 0 0 1px rgba(75, 85, 99, 0.1) !important;
    }
    
    .form-main:hover {
        box-shadow: 
            0 25px 50px -12px rgba(0, 0, 0, 0.6),
            0 0 0 1px rgba(75, 85, 99, 0.2) !important;
    }
    
    .form-section {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .form-section:hover {
        background: var(--surface-high);
    }
    
    .form-control,
    .form-input,
    .form-select,
    .form-textarea {
        background: var(--surface);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .form-control:focus,
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        background: var(--surface);
        border-color: var(--primary);
    }
    
    .form-control::placeholder,
    .form-input::placeholder,
    .form-textarea::placeholder {
        color: var(--on-surface-variant);
    }
    
    .checkbox-item,
    .radio-group {
        background: var(--surface);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .checkbox-item:hover,
    .radio-group:hover {
        background: var(--surface-container);
        border-color: var(--primary);
    }
    
    .event-sidebar {
        background: var(--glass-bg);
        border-color: var(--glass-border);
    }
    
    .event-info-compact {
        background: var(--glass-bg);
        border-color: var(--glass-border);
    }
    
    .quick-detail {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface-variant);
    }
    
    .quick-detail:hover {
        background: var(--surface-high);
    }
    
    .payment-summary {
        background: var(--surface-container);
        border-color: var(--primary);
    }
    
    .summary-item {
        border-bottom-color: var(--outline);
        color: var(--on-surface);
    }
    
    .summary-label {
        color: var(--on-surface);
    }
    
    .summary-value {
        color: var(--on-surface);
    }
    
    .payment-element {
        background: var(--surface);
        border-color: var(--outline);
    }
    
    .payment-element:hover {
        border-color: var(--primary);
    }
    
    #payment-element-container {
        background: var(--surface-container);
        border-color: var(--outline);
    }
    
    .StripeElement {
        background: var(--surface) !important;
        border-color: var(--outline) !important;
        color: var(--on-surface) !important;
    }
    
    .StripeElement:focus,
    .StripeElement--focus {
        border-color: var(--primary) !important;
    }
    
    .btn-outline {
        background: transparent;
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .btn-outline:hover:not(:disabled) {
        background: rgba(59, 130, 246, 0.1);
        border-color: var(--primary);
        color: var(--primary);
    }
    
    .event-detail {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .event-detail:hover {
        background: var(--surface-high);
    }
    
    .kit-gara-section {
        background: var(--glass-bg);
        border-color: var(--glass-border);
    }
    
    .kit-item {
        background: var(--surface-container);
        border-color: var(--outline);
        color: var(--on-surface);
    }
    
    .kit-item:hover {
        background: var(--surface-high);
    }
    
    .kit-item-name {
        color: var(--on-surface);
    }
    
    .kit-item-description {
        color: var(--on-surface-variant);
    }
    
    .form-navigation {
        border-top-color: var(--outline);
    }
    
    .loading-overlay {
        background: rgba(15, 23, 42, 0.9);
    }
    
    .form-main::after {
        background: radial-gradient(circle, rgba(75, 85, 99, 0.05) 0%, transparent 70%) !important;
    }
}

/* Base */
* { box-sizing: border-box; }

body {
    font-family: var(--font-family);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.registration-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 50%, #e5e7eb 100%);
    background-image: 
        radial-gradient(at 47% 33%, rgba(37, 99, 235, 0.06) 0, transparent 59%), 
        radial-gradient(at 82% 65%, rgba(8, 145, 178, 0.04) 0, transparent 55%),
        radial-gradient(at 25% 75%, rgba(5, 150, 105, 0.03) 0, transparent 40%),
        linear-gradient(125deg, rgba(37, 99, 235, 0.02) 0%, rgba(8, 145, 178, 0.02) 100%);
    color: var(--on-surface);
    font-family: var(--font-family);
}

/* Header */
.registration-header {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    margin-bottom: var(--space-6);
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
}

.header-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow);
}

.header-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.header-title {
    font-size: 1.125rem;
    font-weight: var(--font-semibold);
    color: var(--on-surface-variant);
    margin: 0 0 var(--space-2) 0;
}

.event-name {
    font-size: 2rem;
    font-weight: var(--font-bold);
    color: var(--on-surface);
    margin: 0 0 var(--space-3) 0;
    line-height: 1.2;
}

.event-description {
    font-size: 1.125rem;
    color: var(--on-surface-variant);
    margin: 0;
    line-height: 1.5;
}

/* Progress Bar */
.progress-container {
    max-width: 800px;
    margin: 0 auto var(--space-6);
    padding: 0 var(--space-4);
}

.progress-header {
    text-align: center;
    margin-bottom: var(--space-3);
}

.progress-text {
    font-size: 1rem;
    font-weight: var(--font-medium);
    color: var(--on-surface-variant);
}

.progress-bar-container {
    height: 6px;
    background: var(--surface-high);
    border-radius: var(--radius);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #2563eb 0%, #0891b2 100%);
    border-radius: var(--radius);
    transition: width var(--transition);
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.25);
}

/* Layout - Enhanced Wide Design */
.registration-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--space-6);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-6);
    align-items: start;
    min-height: calc(100vh - 200px);
}

.registration-layout-single {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Event Info - Compact & Beautiful */
.event-info-compact {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.event-info-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.event-quick-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.quick-detail {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8rem;
    color: var(--on-surface-variant);
    background: var(--surface-container);
    padding: 0.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--outline);
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

.quick-detail:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
    background: var(--surface-high);
}

.quick-icon {
    width: 12px;
    height: 12px;
    color: var(--primary);
    flex-shrink: 0;
}

.price-detail {
    background: linear-gradient(135deg, #9333ea 0%, #ec4899 50%, #8b5cf6 100%);
    color: white;
    border-color: var(--primary);
    font-weight: var(--font-semibold);
    box-shadow: 0 8px 20px rgba(147, 51, 234, 0.4);
    transform: scale(1.02);
}

.price-detail .quick-icon {
    color: white;
}

.price-amount {
    font-weight: var(--font-bold);
    font-size: 1rem;
}

.availability-quick {
    background: linear-gradient(135deg, var(--success-container), var(--success));
    color: white;
    border-color: var(--success);
    font-weight: var(--font-medium);
}

.availability-quick .quick-icon {
    color: white;
}

.event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    justify-content: center;
}

.event-tag {
    background: linear-gradient(135deg, #a855f7, #9333ea);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.7rem;
    font-weight: var(--font-medium);
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(147, 51, 234, 0.3);
}

/* Event Sidebar - Compact Design */
.event-description {
    background: var(--surface-high);
    border-radius: var(--radius);
    padding: var(--space-3);
    margin-bottom: var(--space-4);
    border-left: 3px solid var(--primary);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--on-surface-variant);
}

.event-sidebar {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    height: fit-content;
    position: sticky;
    top: var(--space-4);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.event-sidebar:hover {
    box-shadow: var(--shadow-lg);
}

.event-info-header {
    margin-bottom: var(--space-4);
    text-align: center;
}

.event-info-header h3 {
    font-size: 1.125rem;
    font-weight: var(--font-semibold);
    color: var(--on-surface);
    margin: 0;
}

.status-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: var(--space-3);
    text-align: center;
    width: 100%;
}

.status-open {
    background: var(--success-container);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-closed {
    background: var(--error-container);
    color: var(--error);
    border: 1px solid var(--error);
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.event-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--surface-container);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--outline);
}

.event-detail:hover {
    background: var(--surface-high);
    transform: translateX(2px);
    box-shadow: var(--shadow);
}

.detail-icon {
    width: 16px;
    height: 16px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 1px;
}

.detail-content {
    flex: 1;
    font-size: 0.875rem;
    color: var(--on-surface);
}

.detail-content strong {
    font-weight: var(--font-semibold);
    color: var(--on-surface);
}

.detail-content small {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
}

.payment-info {
    margin-top: var(--space-4);
    padding: var(--space-3);
    background: var(--primary);
    border-radius: var(--radius);
    text-align: center;
    color: white;
    box-shadow: var(--shadow);
}

.payment-info .event-detail {
    background: transparent;
    border: none;
    justify-content: center;
    color: white;
}

.payment-info .detail-icon {
    color: white;
}

/* Enhanced detail styles */
.main-detail {
    background: var(--surface-high);
    border: 2px solid var(--primary);
    padding: var(--space-4) !important;
}

.main-detail .detail-content strong {
    font-size: 1.125rem;
    color: var(--primary);
}

.time-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.25rem var(--space-2);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: var(--font-semibold);
    margin-left: var(--space-2);
}

.inline-icon {
    width: 12px;
    height: 12px;
    margin-right: 0.25rem;
    vertical-align: text-top;
}

.availability-detail {
    background: var(--success-container);
    border: 1px solid var(--success);
}

.availability-number {
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--success);
    display: block;
    line-height: 1;
}

.availability-text {
    font-size: 0.875rem;
    color: var(--success);
    font-weight: var(--font-medium);
}

.compact-details .detail-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.detail-tag {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.25rem var(--space-2);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: var(--font-medium);
    white-space: nowrap;
}

/* Form Container - Simplified Modern Design */
.form-main {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(147, 51, 234, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04),
        0 0 0 1px rgba(147, 51, 234, 0.05);
    position: relative;
    overflow: hidden;
    width: 100%;
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-main:hover {
    transform: translateY(-1px);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(147, 51, 234, 0.2);
}

.form-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb 0%, #0891b2 100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    opacity: 0.8;
}

.form-main::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(147, 51, 234, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    border-radius: var(--radius-lg);
}

.dark-mode .loading-overlay {
    background: rgba(15, 23, 42, 0.9);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--outline);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Form Sections - Enhanced Wide & Beautiful Design */
.form-sections-container {
    margin-bottom: var(--space-6);
    width: 100%;
}

.form-section {
    background: var(--surface-container);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    border: 2px solid var(--outline);
    position: relative;
    animation: slideInUp 0.3s ease-out;
    box-shadow: var(--shadow);
    transition: var(--transition);
    width: 100%;
}

.form-section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.section-header {
    margin-bottom: var(--space-6);
    text-align: center;
    border-bottom: 2px solid var(--outline);
    padding-bottom: var(--space-4);
}

.section-header h3 {
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--primary);
    margin: 0 0 var(--space-2) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.section-header h3::before {
    content: '📝';
    font-size: 1.25rem;
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
}

.section-header p {
    font-size: 1rem;
    color: var(--on-surface-variant);
    margin: 0;
    line-height: 1.5;
    font-weight: var(--font-medium);
}

.section-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    width: 100%;
}

/* Two-column layout for wider screens */
@media (min-width: 768px) {
    .section-fields {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-4) var(--space-6);
    }
    
    /* Full width for certain field types */
    .form-group[data-field-type="email"],
    .form-group[data-field-type="textarea"],
    .form-group[data-field-type="message"],
    .form-group[data-field-type="note"] {
        grid-column: 1 / -1;
    }
}

/* Payment Section within Form - Enhanced Wide Design */
.payment-summary {
    background: var(--surface-container);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.payment-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--outline);
    font-size: 1rem;
}

.summary-item:last-child {
    border-bottom: none;
    padding-top: var(--space-4);
    font-weight: var(--font-bold);
    font-size: 1.25rem;
    margin-top: var(--space-2);
    padding-top: var(--space-4);
    border-top: 2px solid var(--primary);
}

.summary-label {
    color: var(--on-surface);
    font-size: 1rem;
    font-weight: var(--font-medium);
}

.summary-value {
    color: var(--on-surface);
    font-weight: var(--font-semibold);
    font-size: 1rem;
}

.summary-total {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: var(--font-bold);
}

/* Wide Payment Element Container */
.payment-element {
    margin-bottom: var(--space-6);
    padding: var(--space-6);
    background: var(--surface);
    border: 2px solid var(--outline);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    min-height: 120px;
    box-shadow: var(--shadow);
}

.payment-element:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.payment-element::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Enhanced Payment Element Container */
#payment-element-container {
    width: 100%;
    min-height: 80px;
    padding: var(--space-4);
    background: var(--surface-container);
    border-radius: var(--radius);
    border: 1px solid var(--outline);
    transition: var(--transition);
}

#payment-element-container:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Payment Section Specific Styling */
.form-section[data-payment-section="true"] {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin: var(--space-6) 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.form-section[data-payment-section="true"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--primary));
}

.form-section[data-payment-section="true"] .section-header {
    text-align: center;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--primary);
}

.form-section[data-payment-section="true"] .section-header h3 {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.form-section[data-payment-section="true"] .section-header h3::before {
    content: '💳';
    font-size: 1.5rem;
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
}

.form-section[data-payment-section="true"] .section-header p {
    font-size: 1.125rem;
    color: var(--on-surface);
    font-weight: var(--font-medium);
}

/* Payment Security Badge */
.payment-security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background: var(--success-container);
    color: var(--success);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-4);
    border: 1px solid var(--success);
}

.payment-security-badge::before {
    content: '🔒';
    font-size: 1rem;
}

/* Wide Payment Form Styling */
.payment-form-wide {
    max-width: 100%;
    width: 100%;
}

.payment-form-wide .payment-summary {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
    max-width: 600px;
    margin: 0 auto var(--space-6);
}

.payment-form-wide .payment-element {
    max-width: 600px;
    margin: 0 auto var(--space-6);
    width: 100%;
}

/* Enhanced Stripe Elements Styling */
.StripeElement {
    background: var(--surface) !important;
    padding: var(--space-4) !important;
    border-radius: var(--radius) !important;
    border: 2px solid var(--outline) !important;
    transition: var(--transition) !important;
    font-size: 1rem !important;
    font-family: var(--font-family) !important;
}

.StripeElement:focus,
.StripeElement--focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
    outline: none !important;
}

.StripeElement--invalid {
    border-color: var(--error) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.StripeElement--complete {
    border-color: var(--success) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

/* Form Controls - Enhanced Wide & Beautiful Design */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
}

.form-group label {
    font-size: 1rem;
    font-weight: var(--font-semibold);
    color: var(--on-surface);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.required {
    color: var(--error);
    font-weight: var(--font-bold);
    font-size: 1.1em;
}

.form-control,
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-4);
    font-size: 1rem;
    font-family: var(--font-family);
    background: var(--surface);
    border: 2px solid var(--outline);
    border-radius: var(--radius-lg);
    color: var(--on-surface);
    transition: var(--transition);
    min-height: 52px;
    box-shadow: var(--shadow);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
    padding: var(--space-4);
}

.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    padding-right: calc(var(--space-4) + 1.5rem);
    appearance: none;
}

.form-control:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15), var(--shadow-lg);
    background: var(--surface);
    transform: translateY(-2px);
}

.form-control::placeholder,
.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--on-surface-variant);
    opacity: 0.7;
}

.form-control::placeholder,
.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--on-surface-variant);
    opacity: 0.7;
}

/* Form validation states */
.form-control.is-invalid,
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--error);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

.form-control.is-valid,
.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.1);
}

/* Field Error Messages */
.field-error {
    font-size: 0.75rem;
    color: var(--error);
    font-weight: var(--font-medium);
    margin-top: 0.25rem;
    padding: var(--space-2);
    background: var(--error-container);
    border-radius: var(--radius);
    border-left: 3px solid var(--error);
}

/* Help text */
.form-text {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    margin-top: 0.25rem;
}

/* Special Form Controls - Enhanced Design */
.checkbox-item,
.radio-group {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border: 2px solid var(--outline);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    background: var(--surface);
    box-shadow: var(--shadow);
    min-height: 52px;
}

.checkbox-item:hover,
.radio-group:hover {
    border-color: var(--primary);
    background: var(--surface-container);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.form-control-check {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    transform: scale(1.2);
}

/* Form Navigation */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--outline);
}

/* Button Styles - Enhanced */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: 0.875rem;
    font-weight: var(--font-semibold);
    font-family: var(--font-family);
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    min-height: 40px;
    justify-content: center;
    min-width: 100px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: linear-gradient(135deg, #1e293b 0%, #3b82f6 25%, #8b5cf6 50%, #7c3aed 75%, #6366f1 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #1e293b 0%, #2563eb 25%, #7c3aed 50%, #6d28d9 75%, #5b21b6 100%);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35), 0 0 0 1px rgba(139, 92, 246, 0.15);
}

.btn-primary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-outline {
    background: transparent;
    color: var(--on-surface);
    border-color: var(--outline);
}

.btn-outline:hover:not(:disabled) {
    background: rgba(147, 51, 234, 0.05);
    border-color: var(--primary);
    color: var(--primary);
}

/* Button loading state */
.btn .spinner {
    width: 14px;
    height: 14px;
    border-width: 2px;
    margin-right: var(--space-2);
}

/* Small Button Styles */
.btn-small,
.btn-back {
    padding: var(--space-2) var(--space-3);
    font-size: 0.8rem;
    min-height: 36px;
    min-width: auto;
}

.btn-small .btn-icon,
.btn-back .btn-icon {
    width: 14px;
    height: 14px;
}

/* Alert Messages */
.alert {
    padding: var(--space-3);
    border-radius: var(--radius);
    margin-bottom: var(--space-3);
    border-left: 3px solid;
}

.alert-error {
    background: var(--error-container);
    border-color: var(--error);
    color: var(--error);
}

.alert-success {
    background: var(--success-container);
    border-color: var(--success);
    color: var(--success);
}

.alert-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.alert-icon {
    font-size: 1.125rem;
}

.alert-message {
    flex: 1;
    font-weight: var(--font-medium);
    font-size: 0.875rem;
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1.125rem;
    line-height: 1;
    padding: 0;
    opacity: 0.7;
    transition: var(--transition);
}

.alert-close:hover {
    opacity: 1;
}

/* Event Info Card - Consolidated */
.event-info-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.event-info-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.event-logo-section {
    text-align: center;
    margin-bottom: var(--space-4);
}

.event-logo {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.event-status {
    display: flex;
    justify-content: center;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: var(--font-medium);
    color: var(--on-surface-variant);
    margin-bottom: 0.25rem;
}

.detail-value {
    font-size: 0.875rem;
    font-weight: var(--font-semibold);
    color: var(--on-surface);
    margin-bottom: 0.25rem;
}

.detail-time, .detail-note {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
}

.detail-description {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    margin-top: 0.25rem;
}

.pricing-detail {
    background: var(--primary-container);
    border: 1px solid var(--primary);
}

.pricing-detail .detail-icon {
    color: var(--primary);
}

.pricing-detail .detail-label,
.pricing-detail .detail-value,
.pricing-detail .detail-description {
    color: var(--on-primary-container);
}

.description-content {
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--on-surface-variant);
}

.event-actions {
    margin-top: var(--space-4);
    text-align: center;
}

/* Kit Gara Section - Beautiful Display */
.kit-gara-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.kit-gara-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.kit-gara-header {
    text-align: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--outline);
}

.kit-gara-header h4 {
    font-size: 1.125rem;
    font-weight: var(--font-semibold);
    color: var(--primary);
    margin: 0 0 var(--space-2) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.kit-gara-header h4::before {
    content: '🎁';
    font-size: 1.25rem;
}

.kit-gara-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
}

.kit-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--surface-container);
    border-radius: var(--radius);
    border: 1px solid var(--outline);
    transition: var(--transition);
}

.kit-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
    background: var(--surface-high);
}

.kit-item-icon {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.kit-item-content {
    flex: 1;
}

.kit-item-name {
    font-size: 0.875rem;
    font-weight: var(--font-medium);
    color: var(--on-surface);
    margin: 0 0 0.25rem 0;
}

.kit-item-description {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    margin: 0;
    line-height: 1.3;
}

.kit-item.premium {
    background: var(--primary-container);
    border-color: var(--primary);
}

.kit-item.premium .kit-item-icon {
    color: var(--primary);
}

.kit-item.premium .kit-item-name {
    color: var(--on-primary-container);
}

.kit-item.premium .kit-item-description {
    color: var(--on-primary-container);
    opacity: 0.8;
}

.kit-item-price {
    font-size: 0.75rem;
    font-weight: var(--font-semibold);
    color: var(--primary);
    background: var(--primary-container);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    margin-left: var(--space-2);
}

/* Responsive Kit Gara */
@media (max-width: 768px) {
    .kit-gara-items {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    
    .kit-item {
        padding: var(--space-2);
    }
    
    /* Race details styling */
    .race-details {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2);
        margin-top: var(--space-2);
        justify-content: center;
        align-items: center;
    }
    
    .detail-tag {
        text-align: center;
        justify-content: center;
        align-items: center;
    }
    
    .detail-tag.race-type {
        background: var(--primary-container);
        color: var(--on-primary-container);
        font-weight: var(--font-semibold);
    }
    
    .detail-tag.distance {
        background: var(--success-container);
        color: var(--success);
        font-weight: var(--font-semibold);
    }
    
    .detail-tag.difficulty {
        background: var(--surface-high);
        color: var(--on-surface);
        font-weight: var(--font-medium);
    }
    
    .kit-gara-header h4 {
        font-size: 1rem;
    }
}

/* Payment Section - Simplified */
.payment-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow);
}

.payment-header {
    text-align: center;
    margin-bottom: var(--space-4);
}

.payment-header h3 {
    font-size: 1.25rem;
    font-weight: var(--font-semibold);
    color: var(--on-surface);
    margin: 0 0 var(--space-2) 0;
}

.payment-header p {
    color: var(--on-surface-variant);
    margin: 0;
    font-size: 0.875rem;
}

.payment-summary {
    background: var(--surface-container);
    border-radius: var(--radius);
    padding: var(--space-3);
    margin-bottom: var(--space-4);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--outline);
    font-size: 0.875rem;
}

.summary-item:last-child {
    border-bottom: none;
    padding-top: var(--space-3);
    font-weight: var(--font-semibold);
}

.summary-label {
    color: var(--on-surface-variant);
}

.summary-value {
    color: var(--on-surface);
    font-weight: var(--font-medium);
}

.summary-total {
    font-size: 1.125rem;
    color: var(--primary);
}

.payment-element {
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    background: var(--surface-container);
    border: 1px solid var(--outline);
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
}

.payment-element:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.payment-element::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius) var(--radius) 0 0;
}

.payment-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--outline);
}

.payment-actions .btn {
    flex: 1;
    font-weight: var(--font-semibold);
}

.payment-actions .btn-outline {
    background: var(--surface);
    border-color: var(--outline);
    color: var(--on-surface-variant);
}

.payment-actions .btn-outline:hover {
    background: var(--surface-container);
    border-color: var(--primary);
    color: var(--primary);
}

/* Responsive Design */

@media (max-width: 1024px) {
    .registration-layout {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .event-sidebar {
        order: 1;
        position: static;
        padding: var(--space-4);
    }
    
    .event-details {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-3);
    }
    
    .event-quick-details {
        grid-template-columns: 1fr;
    }
    
    /* Mobile centering for quick details */
    .quick-detail {
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        flex-direction: row !important;
    }
    
    /* Payment section responsive adjustments */
    .form-section[data-payment-section="true"] {
        padding: var(--space-6);
        margin: var(--space-4) 0;
    }
    
    .payment-form-wide .payment-summary,
    .payment-form-wide .payment-element {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .registration-header {
        padding: var(--space-4) var(--space-3);
    }
    
    .event-name {
        font-size: 1.5rem;
    }
    
    .header-title {
        font-size: 1rem;
    }
    
    .event-sidebar {
        padding: var(--space-3);
    }
    
    /* Enhanced mobile form container */
    .form-main {
        padding: var(--space-4);
        border-radius: var(--radius-lg);
        margin: 0;
        box-shadow: 
            0 10px 15px -3px rgba(0, 0, 0, 0.1),
            0 4px 6px -2px rgba(0, 0, 0, 0.05),
            0 0 0 1px rgba(147, 51, 234, 0.05);
    }
    
    .form-main:hover {
        transform: none; /* Disable hover transform on mobile */
    }
    
    /* Enhanced mobile form sections */
    .form-section {
        padding: var(--space-4);
        margin-bottom: var(--space-4);
        border-radius: var(--radius-lg);
    }
    
    .section-header {
        margin-bottom: var(--space-4);
        padding-bottom: var(--space-3);
    }
    
    .section-header h3 {
        font-size: 1.25rem;
    }
    
    .section-fields {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    /* Enhanced mobile form controls */
    .form-control,
    .form-input,
    .form-select,
    .form-textarea {
        padding: var(--space-3);
        font-size: 1rem;
        min-height: 48px;
    }
    
    .form-textarea {
        min-height: 100px;
    }
    
    .checkbox-item,
    .radio-group {
        padding: var(--space-3);
        min-height: 48px;
    }
    
    .form-navigation {
        flex-direction: column;
        gap: var(--space-3);
        padding-top: var(--space-4);
    }
    
    .btn {
        width: 100%;
        padding: var(--space-4);
        font-size: 1rem;
        min-height: 48px;
    }
    
    /* Specific button size fixes for mobile */
    .btn-small,
    .btn-back {
        width: auto !important;
        padding: var(--space-2) var(--space-3) !important;
        font-size: 0.8rem !important;
        min-height: 36px !important;
        min-width: auto !important;
    }
    
    .event-details {
        grid-template-columns: 1fr;
    }
    
    /* Enhanced mobile payment section */
    .form-section[data-payment-section="true"] {
        padding: var(--space-4);
        margin: var(--space-3) 0;
    }
    
    .form-section[data-payment-section="true"] .section-header h3 {
        font-size: 1.5rem;
    }
    
    .payment-summary {
        padding: var(--space-4);
    }
    
    .payment-element {
        padding: var(--space-4);
        min-height: 100px;
    }
    
    .summary-item {
        font-size: 1rem;
        padding: var(--space-3) 0;
    }
    
    .summary-item:last-child {
        font-size: 1.25rem;
    }
    
    .summary-total {
        font-size: 1.375rem;
    }
    
    /* Enhanced Stripe elements for mobile */
    .StripeElement {
        padding: var(--space-3) !important;
        font-size: 1rem !important;
    }
}

@media (max-width: 480px) {
    .registration-header {
        padding: var(--space-3) var(--space-2);
    }
    
    .header-badge {
        width: 48px;
        height: 48px;
        margin-bottom: var(--space-3);
    }
    
    .header-icon {
        width: 20px;
        height: 20px;
    }
    
    .event-name {
        font-size: 1.25rem;
    }
    
    .event-sidebar {
        padding: var(--space-3);
    }
    
    /* Ultra-wide mobile form container */
    .form-container {
        padding: var(--space-3);
        margin: 0;
        border-radius: var(--radius);
    }
    
    .form-card {
        padding: var(--space-3);
    }
    
    .form-section {
        padding: var(--space-3);
        margin-bottom: var(--space-3);
    }
    
    .section-header h3 {
        font-size: 1.125rem;
    }
    
    .form-control,
    .form-input,
    .form-select,
    .form-textarea {
        padding: var(--space-3);
        font-size: 0.95rem;
        min-height: 44px;
    }
    
    .checkbox-item,
    .radio-group {
        padding: var(--space-2) var(--space-3);
        min-height: 44px;
    }
    
    .btn {
        padding: var(--space-3);
        font-size: 0.95rem;
        min-height: 44px;
    }
    
    /* Small button specific styles for smallest mobile */
    .btn-small,
    .btn-back {
        width: auto !important;
        padding: 0.375rem 0.75rem !important;
        font-size: 0.75rem !important;
        min-height: 32px !important;
        min-width: auto !important;
    }
    
    .btn-small .btn-icon,
    .btn-back .btn-icon {
        width: 14px !important;
        height: 14px !important;
    }
    
    .event-detail {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
        align-items: center;
        justify-content: center;
    }
    
    .detail-icon {
        align-self: center;
    }
    
    .detail-content {
        text-align: center;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .detail-label,
    .detail-value,
    .detail-time,
    .detail-note {
        text-align: center;
    }
    
    /* Mobile specific race details centering */
    .race-details {
        justify-content: center !important;
        align-items: center !important;
        width: 100%;
        display: flex !important;
    }
    
    .payment-summary {
        padding: var(--space-3);
    }
    
    .payment-element {
        padding: var(--space-3);
    }
    
    .summary-item {
        font-size: 0.9rem;
    }
    
    .summary-total {
        font-size: 1.2rem;
    }
    
    /* Additional small mobile centering for quick details */
    .quick-detail {
        justify-content: center !important;
        text-align: center !important;
        align-items: center !important;
    }
    
    .event-quick-details {
        text-align: center;
    }
    
    .event-details {
        align-items: center;
        justify-content: center;
    }
}

/* Animations */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.btn:focus-visible,
.form-control:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .registration-container {
        background: white;
        color: black;
    }
    
    .form-navigation, .loading-overlay, .btn {
        display: none;
    }
    
    .event-sidebar, .form-container {
        background: white;
        border: 1px solid #ccc;
        box-shadow: none;
    }
    
    .registration-layout {
        display: block;
    }
    
    .event-sidebar {
        margin-bottom: 1rem;
    }
}