/* ============================================
   BowlingCRM Public Enhanced Design System
   ============================================
   A unified, modern design system for all public pages
   featuring gradients, animations, cards, and responsive design
*/

/* ============================================
   CSS Variables & Theme
   ============================================ */
:root {
    /* Primary Gradient */
    --gradient-primary: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
    --gradient-primary-hover: linear-gradient(135deg, #3730a3 0%, #5b21b6 100%);
    
    /* Type-specific colors */
    --color-knockout: #ef4444;
    --color-roundrobin: #3b82f6;
    --color-group: #10b981;
    --color-stepladder: #8b5cf6;
    --color-manual: #f59e0b;
    --color-custom: #6b7280;
    
    /* Status colors */
    --color-active: #10b981;
    --color-registration: #3b82f6;
    --color-in-progress: #f59e0b;
    --color-completed: #6b7280;
    --color-cancelled: #ef4444;
    
    /* Neutral colors */
    --color-text-primary: #1a202c;
    --color-text-secondary: #4a5568;
    --color-text-muted: #718096;
    --color-border: #d1d9e6;
    --color-bg-light: #edf2f7;
    --color-bg-card: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(67, 56, 202, 0.35);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ============================================
   Global Styles
   ============================================ */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Layout Components
   ============================================ */
.page-container-enhanced {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-enhanced {
    margin-bottom: var(--spacing-2xl);
}

/* ============================================
   Hero Sections
   ============================================ */
.hero-enhanced {
    position: relative;
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-2xl);
    overflow: hidden;
}

.hero-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
    animation: pattern-shift 20s linear infinite;
}

@keyframes pattern-shift {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

.hero-enhanced .hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-enhanced h1 {
    font-size: 56px;
    font-weight: 800;
    margin: 0 0 var(--spacing-sm);
    letter-spacing: -0.02em;
}

.hero-enhanced .hero-subtitle {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-enhanced .hero-description {
    font-size: 18px;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.hero-enhanced .hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.hero-enhanced .hero-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.hero-enhanced .hero-meta-item svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Page Headers
   ============================================ */
.page-header-enhanced {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out;
}

.page-header-enhanced h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-sm);
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header-enhanced p {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin: 0;
}

/* ============================================
   Card Grids
   ============================================ */
.cards-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    animation: fadeIn 0.8s ease-out;
}

@media (max-width: 768px) {
    .cards-grid-enhanced {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* ============================================
   Enhanced Cards
   ============================================ */
.card-enhanced {
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fd 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.card-enhanced:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 32px -6px rgba(0, 0, 0, 0.15), 0 10px 14px -4px rgba(0, 0, 0, 0.08), var(--shadow-glow);
    border-color: transparent;
}

.card-enhanced::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-enhanced > * {
    position: relative;
    z-index: 1;
}

.card-enhanced:hover::before {
    transform: scaleX(1);
}

.card-enhanced .card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.card-enhanced .card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
    line-height: 1.3;
}

.card-enhanced .card-description {
    color: var(--color-text-secondary);
    margin: 0 0 var(--spacing-md);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-enhanced .card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.card-enhanced .card-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-muted);
    font-size: 14px;
}

.card-enhanced .card-meta-item svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.card-enhanced .card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-enhanced .card-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4338ca;
    font-weight: 600;
    font-size: 15px;
    transition: gap var(--transition-fast);
}

.card-enhanced:hover .card-action {
    gap: 12px;
}

.card-enhanced .card-action svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Badges & Status Indicators
   ============================================ */
.badge-enhanced {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-active);
}

.badge-registration {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-registration);
}

.badge-inprogress {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-in-progress);
}

.badge-completed {
    background: rgba(107, 114, 128, 0.1);
    color: var(--color-completed);
}

.badge-cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-cancelled);
}

/* ============================================
   Statistics Bars
   ============================================ */
.stats-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.stat-card-enhanced {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card-enhanced:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat-card-enhanced .stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-card-enhanced .stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.stat-card-enhanced .stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ============================================
   Progress Indicators
   ============================================ */
.progress-enhanced {
    background: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.progress-enhanced .progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.progress-enhanced .progress-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.progress-enhanced .progress-percentage {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.progress-bar-enhanced {
    height: 12px;
    background: #e2e8f0;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-bar-fill-enhanced {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1s ease-out;
    position: relative;
    overflow: hidden;
}

.progress-bar-fill-enhanced::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   Filter & Search Bar
   ============================================ */
.filter-bar-enhanced {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.search-box-enhanced {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-box-enhanced svg {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.search-box-enhanced input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    transition: all var(--transition-base);
}

.search-box-enhanced input:focus {
    outline: none;
    border-color: #4338ca;
    box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.12);
}

.filter-group-enhanced {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.filter-label-enhanced {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.filter-select-enhanced {
    padding: 10px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-select-enhanced:focus {
    outline: none;
    border-color: #4338ca;
    box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.12);
}

/* ============================================
   Empty States
   ============================================ */
.empty-state-enhanced {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
}

.empty-state-enhanced svg {
    width: 64px;
    height: 64px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.empty-state-enhanced h3 {
    font-size: 24px;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-enhanced p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Loading States
   ============================================ */
.loading-enhanced {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    min-height: 400px;
}

.spinner-enhanced {
    width: 64px;
    height: 64px;
    border: 4px solid var(--color-border);
    border-top-color: #4338ca;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-enhanced p {
    margin-top: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 16px;
}

/* ============================================
   Buttons
   ============================================ */
.btn-enhanced {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary-enhanced {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary-enhanced:hover {
    background: var(--gradient-primary-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary-enhanced {
    background: white;
    color: #4338ca;
    border: 2px solid #4338ca;
}

.btn-secondary-enhanced:hover {
    background: rgba(67, 56, 202, 0.08);
    transform: translateY(-2px);
}

.btn-ghost-enhanced {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

.btn-ghost-enhanced:hover {
    border-color: #4338ca;
    color: #4338ca;
}

/* ============================================
   Navigation Breadcrumbs
   ============================================ */
.breadcrumb-enhanced {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    font-size: 14px;
}

.breadcrumb-enhanced a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-enhanced a:hover {
    color: #4338ca;
}

.breadcrumb-enhanced svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
}

.breadcrumb-enhanced .current {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 1024px) {
    .hero-enhanced h1 {
        font-size: 42px;
    }
    
    .page-header-enhanced h1 {
        font-size: 36px;
    }
    
    .stats-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-container-enhanced {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .hero-enhanced {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .hero-enhanced h1 {
        font-size: 32px;
    }
    
    .hero-enhanced .hero-subtitle {
        font-size: 18px;
    }
    
    .page-header-enhanced h1 {
        font-size: 28px;
    }
    
    .filter-bar-enhanced {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box-enhanced {
        min-width: 100%;
    }
    
    .stats-grid-enhanced {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .filter-bar-enhanced,
    .btn-enhanced {
        display: none;
    }
}

/* ============================================
   Stat Badge Gloss
   ============================================ */
.stats-badges .stat-badge {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}