/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-container {
    background: var(--surface-900);
    border: 2px solid rgba(255, 114, 0, 0.3);
    border-radius: 24px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 114, 0, 0.2);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: white;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-purple);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

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

.subject-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 114, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: white;
    display: block;
}

.subject-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-purple);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 114, 0, 0.2);
}

.subject-item-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

/* Ensure feature cards are clickable */
.feature-card[data-level],
.clickable-card {
    cursor: pointer !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    pointer-events: auto !important;
    position: relative;
    z-index: 1;
}

.feature-card[data-level]:hover,
.clickable-card:hover {
    transform: translateY(-15px) scale(1.02) !important;
}

.feature-card[data-level]:active,
.clickable-card:active {
    transform: translateY(-10px) scale(1.01) !important;
}

/* Allow clicks on child elements but handle on parent */
.feature-card[data-level],
.clickable-card {
    position: relative;
}

.feature-card[data-level] *,
.clickable-card * {
    pointer-events: auto;
}

@media (max-width: 768px) {
    .modal-container {
        max-width: 100%;
        max-height: 95vh;
    }
    
    .subjects-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}