:root {
    --primary-bg: #0f0f23;
    --secondary-bg: #1a1a3a;
    --tertiary-bg: #2d2d5f;
    --accent-color: #64ffda;
    --accent-secondary: #00bcd4;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --border-color: rgba(100, 255, 218, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: rgba(26, 26, 58, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color);
    background: rgba(100, 255, 218, 0.1);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-name {
    color: var(--text-primary);
    font-weight: 600;
}

.btn-logout {
    padding: 8px 16px;
    background: rgba(255, 68, 68, 0.2);
    border: 1px solid rgba(255, 68, 68, 0.4);
    color: #ff6b6b;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(255, 68, 68, 0.3);
    transform: translateY(-2px);
}

/* Dashboard Container */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Stats Panel */
.stats-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: linear-gradient(145deg, var(--secondary-bg), var(--tertiary-bg));
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.2);
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Games Section */
.games-section {
    margin-top: 32px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
}

.filter-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    background: rgba(26, 26, 58, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent-color);
    color: var(--primary-bg);
    border-color: var(--accent-color);
}

/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.game-card {
    background: linear-gradient(145deg, var(--secondary-bg), var(--tertiary-bg));
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.game-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(100, 255, 218, 0.2);
    border-color: var(--accent-color);
}

.game-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
}

.game-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.game-card:hover .game-thumbnail img {
    transform: scale(1.05);
}

.game-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(15, 15, 35, 0.9);
    color: var(--accent-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.game-info {
    padding: 20px;
}

.game-title {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.game-genre {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.btn-play {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    border: none;
    border-radius: var(--border-radius);
    color: var(--primary-bg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-play:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(100, 255, 218, 0.3);
}

.loader {
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.error {
    text-align: center;
    padding: 40px;
    color: #ff6b6b;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 16px;
    }

    .stats-panel {
        grid-template-columns: 1fr;
    }

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

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}