body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    margin: 0;
    min-height: 100vh;
}
 
.container {
    text-align: center;
    padding-top: 80px;
}
 
.cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 40px;
    padding: 0 20px;
}
 
.card {
    background: white;
    padding: 40px;
    width: 350px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    text-decoration: none;
    color: #333;
}
 
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.card h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #2c3e50;
}

.card-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* Disabled state for cards */
.card.disabled {
    background: #eef1f5;
    cursor: not-allowed;
    box-shadow: 0 4px 8px rgba(0,0,0,0.02);
    border: 2px dashed #d1d8e0;
}

.card.disabled h2,
.card.disabled p {
    color: #999;
}

.card.disabled .card-icon {
    filter: grayscale(100%);
    opacity: 0.5;
}

.card.disabled:hover {
    transform: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.02);
}

/* Overlay for disabled pages */
.disabled-page-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(238, 241, 245, 0.4);
    backdrop-filter: grayscale(100%);
    z-index: 9999;
    pointer-events: auto; /* Blocks clicks on the page beneath */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: not-allowed;
}

.disabled-page-message {
    background: white;
    padding: 30px 50px;
    border-radius: 16px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    color: #2c3e50;
    text-align: center;
    border: 2px dashed #d1d8e0;
    cursor: default;
}