/**
 * Note Generation Hub Styles
 *
 * ARCHITECTURE: Central hub for note type selection with card-based UI
 * WHY: Provides clear, organized entry point for all note generation workflows
 * TRADEOFF: Additional CSS vs cleaner UX and better discoverability
 * NOTE: Uses grid layout for responsive card arrangement
 */

.note-hub {
    padding: var(--space-8) var(--space-6);
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeIn 0.3s ease-in;
}

.note-hub-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.note-hub-header {
    text-align: center;
    margin-bottom: var(--space-4);
}

.note-hub-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-3) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.note-hub-title i {
    font-size: 2.25rem;
    color: var(--primary-500);
}

.note-hub-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0;
}

.note-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-2);
}

.note-type-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: relative;
    overflow: hidden;
}

.note-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-500);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.note-type-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-500);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.note-type-card:hover::before {
    transform: scaleX(1);
}

.note-type-card:active {
    transform: translateY(-2px);
}

.note-type-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-2);
}

.note-type-icon i {
    font-size: 1.75rem;
    color: white;
}

.note-type-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.note-type-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    flex-grow: 1;
}

.note-type-footer {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-light);
}

.note-type-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.25rem 0.75rem;
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-md);
}

/* Dark mode adjustments */
[data-theme="dark"] .note-type-badge {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-300);
}

[data-theme="dark"] .note-type-card {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .note-type-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .note-hub {
        padding: var(--space-4);
    }

    .note-hub-title {
        font-size: 1.5rem;
    }

    .note-hub-description {
        font-size: 1rem;
    }

    .note-type-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .note-type-card {
        padding: var(--space-4);
    }
}

/* Fade in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}