/* notes.css - Styles for Notes page */
.notes-content {
    max-width: 800px;
    margin: 2rem auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 2rem;
    font-size: 1.1rem;
    color: #333;
}
.study-materials-container {
    min-width: 90%;
    margin: 2rem auto;
    padding: 2rem;
    
}

.study-materials-header {
    text-align: center;
    margin-bottom: 3rem;
}

.study-materials-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.study-materials-header p {
    font-size: 1.2rem;
    color: #666;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(25%, 3fr));
    gap: 2rem;
    margin-top: 2rem;
    
}

.material-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.material-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transition: all 0.5s ease;
}

.material-card:hover::before {
    top: -30%;
    left: -30%;
}

.material-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.material-card:nth-child(1) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.material-card:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.material-card:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.material-card:nth-child(4) {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.material-card:nth-child(5) {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.material-card:nth-child(6) {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.material-card:nth-child(7) {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #333;
}

.material-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: block;
}

.material-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.material-description {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.5;
}

.go-back-section {
    text-align: center;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .materials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .study-materials-header h1 {
        font-size: 2rem;
    }
}