/* Utility classes pour les couleurs personnalisées */
.bg-background { background-color: var(--background); }
.text-text { color: var(--text); }
.text-text-secondary { color: var(--text-secondary); }
.text-text-muted { color: var(--text-muted); }
.text-blue-light { color: var(--blue-light); }
.border-border { border-color: var(--border); }
.border-border-light { border-color: var(--border-light); }

/* Hero Section Styles */
.hero-section {
    background: var(--background-blur);
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
    box-shadow: var(--glow);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

.stat-item {
    background: var(--background-blur);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--glow);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--blue-light);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Filter Section */
.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    background: transparent;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--glow);
}

.filter-btn.active {
    background: var(--primary);
    color: var(--text);
    border-color: var(--primary);
    box-shadow: var(--glow);
}

.search-input {
    width: 100%;
    max-width: 20rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: 0.5rem;
    background: var(--background);
    color: var(--text);
    outline: none;
    transition: all 0.2s ease;
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: var(--glow);
}

.search-input::placeholder {
    color: var(--text-muted);
}

/* Hackathon Card Styles */
.hackathon-card {
    background: var(--background-blur);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hackathon-card:hover {
    transform: translateY(-0.25rem);
    box-shadow: var(--glow);
    border-color: var(--border-light);
}

.card-header {
    padding: 1.5rem 1.5rem 1rem;
}

.card-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.badge-active {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.badge-draft {
    background: rgba(59, 130, 246, 0.2);
    color: var(--blue-light);
}

.badge-upcoming {
    background: rgba(107, 114, 128, 0.2);
    color: var(--text-muted);
}

.badge-ended {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.card-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--text);
    margin-bottom: 0.75rem;
    transition: color 0.2s ease;
}

.hackathon-card:hover .card-title {
    color: var(--blue-light);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.card-body {
    padding: 0 1.5rem 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.detail-item i {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
    flex-shrink: 0;
}

.card-footer {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.prize-info {
    font-size: 0.875rem;
    color: #4ade80;
    font-weight: 600;
}

/* Type-specific styling */
.type-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--text);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.type-dev {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.type-ctf {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.type-design {
    background: linear-gradient(135deg, #a855f7, #9333ea);
}

.type-mixte {
    background: linear-gradient(135deg, #f97316, #ea580c);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .search-input {
        width: 100%;
    }
}

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

.hackathon-card {
    animation: fadeInUp 0.6s ease-out;
}

.hackathon-card:nth-child(2) {
    animation-delay: 0.1s;
}

.hackathon-card:nth-child(3) {
    animation-delay: 0.2s;
}

/* Loading and Empty States */
.animate-pulse-custom {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: .5;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--border) 25%, var(--border-light) 50%, var(--border) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 0.375rem;
}

.skeleton-card {
    background: var(--background-blur);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.skeleton-title {
    height: 1.5rem;
    background: var(--border);
    border-radius: 0.375rem;
    margin-bottom: 1rem;
}

.skeleton-text {
    height: 1rem;
    background: var(--border);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
}

.skeleton-button {
    height: 2.5rem;
    background: var(--border);
    border-radius: 0.375rem;
}

@keyframes loading {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}