:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(20, 27, 45, 0.6);
    --border-color: rgba(255, 255, 255, 0.05);
    --hover-border: rgba(56, 189, 248, 0.5);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-secondary: #818cf8;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Glowing Effects */
.glow-circle {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

.glow-top-left {
    top: -200px;
    left: -200px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
}

.glow-bottom-right {
    bottom: -200px;
    right: -200px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
}

.glow-top-center {
    top: -300px;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.header {
    text-align: center;
    padding: 4rem 0 3rem;
}

.header h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.text-gradient {
    background: linear-gradient(to right, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Grid & Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    display: block;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--hover-border);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 20px rgba(56, 189, 248, 0.2);
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.5s ease;
}

.card:hover .card-image {
    transform: scale(1.05);
}

.image-container {
    overflow: hidden;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    color: var(--text-main);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.page-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

.page-btn:hover {
    background: rgba(255,255,255,0.1);
}

.page-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Details Page (script.html) */
.details-container {
    padding-top: 3rem;
    max-width: 900px;
}

.back-btn {
    display: inline-block;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: color 0.3s;
}

.back-btn:hover {
    color: var(--accent);
}

.details-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    animation: fadeInUp 0.6s ease;
}

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

.details-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.details-body {
    padding: 3rem;
}

.details-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.details-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* Code Block */
.code-wrapper {
    background: #000;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border-bottom: 1px solid var(--border-color);
}

.code-lang {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.copy-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text-main);
    padding: 0.4rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: 0.3s;
}

.copy-btn:hover {
    background: var(--accent);
    color: #000;
}

.code-content {
    padding: 1.5rem;
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
}

.code-content code {
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
    color: #a5b4fc;
    line-height: 1.5;
}

.skeleton-loader {
    width: 100%;
    height: 400px;
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

@media (max-width: 768px) {
    .header h1 { font-size: 2.5rem; }
    .details-body { padding: 1.5rem; }
    .details-image { height: 200px; }
}