/* Blackboard Theme */
:root {
    --chalk-white: #f8f8f8;
    --chalk-yellow: #f8f8a0;
    --board-green: #0a3d02;
    --board-border: #2c2c2c;
}

body {
    background-color: var(--board-green);
    background: url(https://image.freepik.com/vrije-vector/schoolbord-textuur_1048-1125.jpg) repeat center fixed;
    background-size: 100% 100%;
    color: var(--chalk-white);
    font-family: 'Chalkboard', 'Comic Sans MS', cursive, sans-serif;
}

/* Navigation */
.navbar-custom {
    background-color: var(--board-border);
    background-image: url("https://www.transparenttextures.com/patterns/wood-pattern.png");
    border: 5px solid var(--board-border);
}

.navbar-custom .nav-link {
    color: var(--chalk-white) !important;
    font-size: 1.5rem;
    padding: 1rem 1.5rem;
    transition: all 0.3s ease;
}

.navbar-custom .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--chalk-yellow) !important;
}

/* Content Styling */
.chalk-text {
    color: var(--chalk-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.chalk-border {
    border: 2px solid var(--chalk-white);
    border-radius: 5px;
    padding: 1rem;
    margin: 1rem 0;
}

.menu-item {
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    padding: 1rem;
    margin: 0.5rem 0;
    transition: all 0.3s ease;
}

.menu-item:hover {
    background-color: rgba(0, 0, 0, 0.5);
    transform: translateX(10px);
}

/* Special Effects */
@keyframes chalk-writing {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-chalk {
    animation: chalk-writing 0.5s ease-out forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-custom .nav-link {
        font-size: 1.2rem;
        padding: 0.8rem 1rem;
    }
}