body {
    background-color: #f4f6f9;
}
.card {
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.stat-card {
    border-radius: 10px;
}
.room-tile {
    border-radius: 8px;
    padding: 14px;
    color: #fff;
    min-height: 90px;
    cursor: pointer;
    transition: transform 0.1s ease-in-out;
}
.room-tile:hover {
    transform: translateY(-2px);
}
.room-tile.vacant_clean { background-color: #198754; }
.room-tile.vacant_dirty { background-color: #ffc107; color:#212529; }
.room-tile.occupied { background-color: #0d6efd; }
.room-tile.out_of_order { background-color: #212529; }
.room-tile.out_of_service { background-color: #6c757d; }
.table-actions a { margin-right: 8px; }