* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s;
}

:root {
    --primary: #6c63ff;
    --secondary: #f50057;
    --bg: #ffffff;
    --bg-secondary: #f4f6f9;
    --text: #333333;
    --text-secondary: #666666;
    --card-bg: #ffffff;
    --shadow: 0 8px 32px rgba(0,0,0,0.1);
    --radius: 16px;
}

.dark-dark {
    --bg: #1a1a2e;
    --bg-secondary: #16213e;
    --text: #e0e0e0;
    --text-secondary: #b0b0b0;
    --card-bg: #0f3460;
    --shadow: 0 8px 32px rgba(0,0,0,0.5);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

/* Header */
.header {
    background: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}
.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}
.logo i { margin-right: 10px; }
.nav { display: flex; gap: 25px; }
.nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--primary); border-bottom-color: var(--primary); }
.header-actions { display: flex; gap: 15px; align-items: center; }
.theme-toggle, .dark-toggle, .hamburger {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
}
.hamburger { display: none; }

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    padding: 80px 20px;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 15px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; }
.search-bar {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 10px;
}
.search-bar input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
}
.search-bar button {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    background: var(--secondary);
    color: white;
    cursor: pointer;
    font-size: 1rem;
}

/* Filters */
.filters {
    background: var(--bg-secondary);
    padding: 20px 0;
}
.filter-form {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}
.filter-form select, .filter-form button {
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-radius: 50px;
    background: var(--card-bg);
    color: var(--text);
    cursor: pointer;
}
.filter-form button {
    background: var(--primary);
    color: white;
    border: none;
}

/* Games Grid */
.games-grid { padding: 60px 0; }
.games-grid h2 { text-align: center; margin-bottom: 40px; font-size: 2rem; }
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
}
.card:hover { transform: translateY(-10px); }
.card-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.card-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
}
.card-content { padding: 20px; }
.card-content h3 { margin-bottom: 10px; font-size: 1.3rem; }
.card-content p { color: var(--text-secondary); margin-bottom: 15px; }
.card-meta { display: flex; gap: 20px; margin-bottom: 10px; font-size: 0.9rem; color: var(--text-secondary); }
.card-meta i { margin-right: 5px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    background: var(--bg-secondary);
    color: var(--text);
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
}

/* Heatmap */
.stats-heatmap {
    background: var(--bg-secondary);
    padding: 60px 0;
}
.stats-heatmap h2 { text-align: center; margin-bottom: 30px; }
.heatmap {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(30px, 1fr));
    gap: 4px;
    max-width: 800px;
    margin: 0 auto;
}
.heatmap div {
    aspect-ratio: 1;
    border-radius: 4px;
    background: var(--primary);
    opacity: 0.3;
}
.heatmap div:hover { opacity: 0.8; }

/* Footer */
.footer {
    background: var(--card-bg);
    padding: 40px 0;
    text-align: center;
}
.footer-inner { display: flex; flex-direction: column; gap: 20px; }
.footer-links { display: flex; justify-content: center; gap: 25px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; color: var(--text); }
.footer-links a:hover { color: var(--primary); }
.social-share a {
    font-size: 1.8rem;
    margin: 0 10px;
    color: var(--text-secondary);
    text-decoration: none;
}
.social-share a:hover { color: var(--primary); }

/* Admin */
.admin-login {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}
.login-container {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
}
.login-container h2 { margin-bottom: 20px; text-align: center; }
.login-container input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 50px;
}
.login-container button {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
}
.login-container a { display: block; text-align: center; margin-top: 15px; color: var(--primary); }

.admin-dashboard {
    background: var(--bg);
}
.admin-header {
    background: var(--primary);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.admin-header a { color: white; text-decoration: none; margin-left: 20px; }
.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}
.admin-section {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}
.admin-section h2 { margin-bottom: 20px; }
.admin-section input, .admin-section textarea, .admin-section select {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
}
.admin-section button {
    padding: 12px 25px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
}
.admin-section table { width: 100%; border-collapse: collapse; }
.admin-section th, .admin-section td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
.admin-section th { background: var(--bg-secondary); }
.error { color: red; margin-bottom: 15px; }
.success { color: green; margin-bottom: 15px; }
.ai-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav { display: none; flex-direction: column; gap: 10px; position: absolute; top: 70px; left: 0; right: 0; background: var(--card-bg); padding: 20px; box-shadow: var(--shadow); }
    .nav.active { display: flex; }
    .hamburger { display: block; }
    .hero h1 { font-size: 1.8rem; }
    .grid { grid-template-columns: 1fr; }
    .filter-form { flex-direction: column; }
}