:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --highlight: #818cf8;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--highlight);
}

.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(129, 140, 248, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(56, 189, 248, 0.15) 0%, transparent 40%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 30px 0 40px;
    text-align: center;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    color: var(--accent);
    -webkit-text-fill-color: var(--accent);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.category-selector {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.category-btn {
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.category-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.category-btn.active {
    background: var(--accent);
    color: #0f172a;
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

.update-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pulse {
    width: 8px;
    height: 8px;
    background-color: #4ade80;
    border-radius: 50%;
    box-shadow: 0 0 0 rgba(74, 222, 128, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.4);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(74, 222, 128, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
    }
}

/* Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 25px;
    padding-bottom: 60px;
}

/* Card */
.news-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

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

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

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-glow);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.source-tag {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 600;
}

.news-card h2 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    line-height: 1.3;
    font-weight: 600;
}

.news-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
    margin-top: auto;
}

.read-more:hover {
    color: var(--accent);
}

.read-more svg {
    transition: transform 0.2s;
}

.read-more:hover svg {
    transform: translate(3px, -3px);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.heart {
    color: #ef4444;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }
}