/* Academy Curriculum Styles */

/* Curriculum Overview */
.curriculum-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.curriculum-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--academy-border);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.curriculum-card:hover {
    border-color: var(--academy-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.curriculum-card h3 {
    color: var(--academy-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--academy-primary);
}

.curriculum-card p {
    color: var(--academy-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Lesson Grid */
.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.lesson-card {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid var(--academy-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.lesson-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--academy-primary), var(--academy-accent));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.lesson-card:hover {
    border-color: var(--academy-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.15);
}

.lesson-card h3 {
    color: var(--academy-primary);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.lesson-card p {
    color: var(--academy-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Semester Grid */
.semester-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.semester-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--academy-border);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.semester-card:hover {
    border-color: var(--academy-primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2);
}

.semester-card h3 {
    color: var(--academy-primary);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    text-align: center;
    text-shadow: 0 0 10px var(--academy-primary);
}

/* Course List */
.course-list {
    margin-bottom: 2rem;
}

.course-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--academy-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.course-item:hover {
    border-color: var(--academy-secondary);
    background: rgba(0, 212, 255, 0.05);
}

.course-item h4 {
    color: var(--academy-accent);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.course-item p {
    color: var(--academy-text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

/* Progress Indicators */
.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--academy-primary), var(--academy-accent));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    color: var(--academy-text-secondary);
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.5rem;
}

/* Difficulty Badges */
.difficulty {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.difficulty.beginner {
    background: rgba(0, 255, 0, 0.2);
    color: var(--academy-success);
    border: 1px solid var(--academy-success);
}

.difficulty.intermediate {
    background: rgba(255, 170, 0, 0.2);
    color: var(--academy-warning);
    border: 1px solid var(--academy-warning);
}

.difficulty.advanced {
    background: rgba(0, 212, 255, 0.2);
    color: var(--academy-primary);
    border: 1px solid var(--academy-primary);
}

.difficulty.expert {
    background: rgba(255, 68, 68, 0.2);
    color: var(--academy-error);
    border: 1px solid var(--academy-error);
}

/* Responsive Design */
@media (max-width: 768px) {
    .curriculum-overview {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .lesson-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .semester-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .curriculum-card,
    .semester-card {
        padding: 1.5rem;
    }
    
    .lesson-card {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .curriculum-card h3,
    .semester-card h3 {
        font-size: 1.3rem;
    }
    
    .lesson-card h3 {
        font-size: 1.2rem;
    }
    
    .course-item h4 {
        font-size: 1rem;
    }
}