:root {
    --primary-color: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #818cf8;
    --secondary-color: #F15636;
    --accent-color: #F68B1F;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

[data-theme="dark"] {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-card: #1f2937;
    --bg-hover: #374151;
    
    --border-color: #374151;
    --border-light: #4b5563;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
}

/* Header Styles */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .header {
    background: rgba(31, 41, 55, 0.95);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;  /* Space between logo and text */
}

.logo img {
    height: 40px;  /* Adjust based on your logo size */
    width: auto;
    object-fit: contain;
}

.logo span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.search-container {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.search-container i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.search-container input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-container input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.theme-toggle {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    color: white;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.hero-content p {
    font-size: 1.25rem;
    font-weight: 500;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Controls Section */
.controls-section {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

.controls-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

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

.sort-controls label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.sort-controls select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
}

.stats-display {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Contest Cards */
.contest-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.contest-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.contest-header {
    padding: var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.contest-header:hover {
    background: var(--bg-hover);
}

.contest-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-rank-icon {
    color: #FFD700;  /* Gold color */
    margin-left: 0.5rem;
    font-size: 0.9em;
    vertical-align: middle;
    animation: shine 2s infinite;
}

@keyframes shine {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

.contest-meta {
    display: flex;
    gap: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.contest-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.contest-meta i {
    font-size: 0.9em;
    opacity: 0.8;
}

.contest-type {
    background: var(--secondary-color);
    color: white;
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
}

.contest-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contest-links {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.icon-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.expand-icon {
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: transform var(--transition-normal);
}

.expand-icon.rotated {
    transform: rotate(180deg);
}

/* Teams Section */
.teams-section {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.teams-section.expanded {
    max-height: 2000px;
}

.teams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.team-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.4;
}

.position-badge {
    background: var(--accent-color);
    color: white;
    padding: 4px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.team-coach {
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.team-coach strong {
    color: var(--text-primary);
}

.team-members {
    margin-bottom: var(--spacing-md);
}

.team-members strong {
    color: var(--text-primary);
    font-size: 0.875rem;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.team-members ul {
    list-style: none;
    margin: 0;
}

.team-members li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    position: relative;
    padding-left: var(--spacing-md);
}

.team-members li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.team-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.team-links {
    display: flex;
    gap: var(--spacing-sm);
}

.team-link {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.team-link:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.team-link.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.remarks {
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.875rem;
    max-width: 200px;
    line-height: 1.4;
}

.no-teams {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

/* Contribute Section */
.contribute-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 25px;
    padding-bottom: 25px;
    padding-left: 25px;
    padding-right: 25px;
}

.contribute-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.contribute-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contribute-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.contribute-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.contribute-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    
    padding-top: 25px;
    position: relative;  
    padding-bottom: 25px; 
    padding-left: 25px;
    padding-right: 25px;
}

[data-theme="dark"] .footer {
    background: var(--bg-card);
    color: var(--text-primary);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    align-items: start;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.footer-links h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.quick-links a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.quick-links a:hover {
    color: #F68B1F;
}

.contributor-list {
    width: 100%;
}

.contributors-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contributor {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contributor-name {
    color: var(--text-primary);
    font-weight: 500;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-1px);
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: right;
}

.footer::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    background: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .search-container {
        max-width: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .controls-container {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .contest-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .contest-actions {
        justify-content: space-between;
    }
    
    .teams-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .contributors-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .brand-logo {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .main-content,
    .controls-container,
    .contribute-container,
    .footer-container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
}

/* Loading Animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-2xl);
}

.loading::after {
    content: '';
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

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

/* Focus States */
button:focus-visible,
select:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}