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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

header h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

.header-buttons {
    position: absolute;
    top: 0;
    right: 20px;
    display: flex;
    gap: 10px;
}

.settings-btn {
    padding: 10px 20px;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.5);
    border-radius: 8px;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.settings-btn:hover {
    background: rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

.logout-btn {
    padding: 10px 20px;
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.5);
    border-radius: 8px;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(244, 67, 54, 0.3);
    transform: translateY(-2px);
}

.tiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

.tile {
    aspect-ratio: 1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #fff;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tile:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.tile:hover::before {
    opacity: 1;
}

.tile:active {
    transform: scale(0.98);
}

.tile-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
}

.tile-name {
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.tile-description {
    font-size: 0.85rem;
    opacity: 0.8;
    text-align: center;
    margin-top: 8px;
}

/* Couleurs spécifiques pour différents types d'applications */
.tile.media {
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.3) 0%, rgba(244, 67, 54, 0.3) 100%);
}

.tile.storage {
    background: linear-gradient(135deg, rgba(67, 160, 71, 0.3) 0%, rgba(76, 175, 80, 0.3) 100%);
}

.tile.automation {
    background: linear-gradient(135deg, rgba(251, 140, 0, 0.3) 0%, rgba(255, 152, 0, 0.3) 100%);
}

.tile.monitoring {
    background: linear-gradient(135deg, rgba(57, 73, 171, 0.3) 0%, rgba(63, 81, 181, 0.3) 100%);
}

.tile.network {
    background: linear-gradient(135deg, rgba(142, 36, 170, 0.3) 0%, rgba(156, 39, 176, 0.3) 100%);
}

.tile.download {
    background: linear-gradient(135deg, rgba(0, 131, 143, 0.3) 0%, rgba(0, 150, 136, 0.3) 100%);
}

/* Responsive */
@media (max-width: 768px) {
    .tiles-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    header h1 {
        font-size: 2rem;
    }

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

    .tile-name {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .tiles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 10px;
    }

    .container {
        padding: 20px 10px;
    }
}