/* assets/css/style.css */
/* Custom Styles for E-Learning LMS */

:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --transition-speed: 0.3s;
}

/* General Styles */
body {
    font-family: 'Sarabun', sans-serif;
    background-color: #f8f9fa;
    transition: background-color var(--transition-speed);
}

/* Card Styles */
.card {
    border: none;
    border-radius: 15px;
    transition: transform var(--transition-speed);
}

.card:hover {
    transform: translateY(-5px);
}

.course-card {
    cursor: pointer;
    height: 100%;
}

.course-card .card-img-top {
    height: 200px;
    object-fit: cover;
    border-radius: 15px 15px 0 0;
}

/* Progress Bar */
.progress {
    height: 25px;
    border-radius: 20px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    transition: width 0.6s ease;
}

/* Button Styles */
.btn {
    border-radius: 10px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 15px;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 15px;
}

/* Exam Container - Anti-Cheat Styles */
.exam-container {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.dark-mode-toggle .btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .video-container {
        margin: 10px 0;
    }
}

@media (max-width: 576px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
}