:root {
    --bg-color: #0a0a0c;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --accent-blue: #007aff;
    --accent-purple: #af52de;
    --accent-orange: #ff9500;
    --accent-green: #34c759;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
}

.header {
    text-align: center;
    margin-bottom: 60px;
}

.header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.header p {
    color: var(--text-secondary);
    margin-top: 10px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 220px);
    gap: 20px;
    max-width: 1000px;
    width: 100%;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    padding: 30px;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* Specific Card Layouts */
.card-images {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, transparent 100%);
}

.card-videos {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(175, 82, 222, 0.1) 0%, transparent 100%);
}

.card-files {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.1) 0%, transparent 100%);
}

.card-settings {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(255, 149, 0, 0.1) 0%, transparent 100%);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .card {
        grid-column: span 1 !important;
        height: 200px;
    }
    
    .header h1 {
        font-size: 2.2rem;
    }
}