/* Public/Frontend Styles for Complete LMS Pro */

/* Light theme colors - user preference */
:root {
    --clp-primary: #4A90E2;
    --clp-secondary: #7B68EE;
    --clp-success: #5CB85C;
    --clp-warning: #F0AD4E;
    --clp-danger: #D9534F;
    --clp-light-bg: #FFFFFF;
    --clp-light-gray: #F8F9FA;
    --clp-border: #E0E0E0;
    --clp-text: #333333;
    --clp-text-light: #666666;
}

/* Course Catalog */
.clp-course-catalog {
    padding: 20px 0;
}

.clp-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 20px 0;
}

.clp-course-card {
    background: var(--clp-light-bg);
    border: 1px solid var(--clp-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.clp-course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.clp-course-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.clp-course-card h3 {
    padding: 15px 20px 10px;
    margin: 0;
    font-size: 1.3em;
    color: var(--clp-text);
}

.clp-course-card h3 a {
    color: var(--clp-text);
    text-decoration: none;
}

.clp-course-card h3 a:hover {
    color: var(--clp-primary);
}

.clp-course-meta {
    display: flex;
    gap: 15px;
    padding: 0 20px;
    margin-top: 10px;
}

.clp-course-meta span {
    font-size: 0.85em;
    color: var(--clp-text-light);
    background: var(--clp-light-gray);
    padding: 5px 10px;
    border-radius: 3px;
}

.clp-excerpt {
    padding: 10px 20px;
    color: var(--clp-text-light);
    font-size: 0.95em;
    line-height: 1.6;
}

.clp-course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-top: 1px solid var(--clp-border);
    margin-top: 15px;
}

.clp-price {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--clp-primary);
}

/* Buttons */
.clp-btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.clp-btn-primary {
    background: var(--clp-primary);
    color: white;
}

.clp-btn-primary:hover {
    background: #3a7bc8;
    color: white;
}

.clp-btn-success {
    background: var(--clp-success);
    color: white;
}

.clp-btn-success:hover {
    background: #4cae4c;
}

/* Progress Bar */
.clp-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--clp-light-gray);
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0;
}

.clp-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--clp-primary), var(--clp-secondary));
    transition: width 0.5s ease;
}

.clp-course-progress {
    padding: 15px;
    background: var(--clp-light-bg);
    border: 1px solid var(--clp-border);
    border-radius: 5px;
    margin: 20px 0;
}

.clp-progress-text {
    display: block;
    margin-top: 5px;
    font-weight: 600;
    color: var(--clp-text);
}

/* Course Curriculum */
.clp-course-curriculum {
    background: var(--clp-light-bg);
    border: 1px solid var(--clp-border);
    border-radius: 8px;
    padding: 25px;
    margin: 30px 0;
}

.clp-curriculum-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--clp-light-gray);
}

.clp-curriculum-header h3 {
    margin: 0;
    color: var(--clp-text);
}

.clp-curriculum-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.clp-curriculum-item {
    padding: 15px;
    border: 1px solid var(--clp-border);
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--clp-light-bg);
    transition: background 0.3s;
}

.clp-curriculum-item:hover {
    background: var(--clp-light-gray);
}

.clp-curriculum-item.completed {
    background: #f0f9f0;
    border-color: var(--clp-success);
}

.clp-item-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.clp-item-icon {
    color: var(--clp-primary);
    font-size: 20px;
}

.clp-item-icon.completed {
    color: var(--clp-success);
}

.clp-item-title {
    font-weight: 600;
    color: var(--clp-text);
}

.clp-item-duration {
    color: var(--clp-text-light);
    font-size: 0.9em;
}

.clp-item-action a {
    color: var(--clp-primary);
    text-decoration: none;
    font-weight: 600;
}

.clp-item-action a:hover {
    text-decoration: underline;
}

/* Student Dashboard */
.clp-student-dashboard {
    background: var(--clp-light-bg);
    padding: 30px;
    margin: 20px 0;
}

.clp-dashboard-header {
    margin-bottom: 30px;
}

.clp-dashboard-header h2 {
    color: var(--clp-text);
    margin: 0 0 10px 0;
}

.clp-dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.clp-stat-card {
    background: linear-gradient(135deg, var(--clp-primary), var(--clp-secondary));
    color: white;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.clp-stat-value {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 5px;
}

.clp-stat-label {
    font-size: 1em;
    opacity: 0.9;
}

/* My Courses */
.clp-my-courses {
    padding: 20px 0;
}

.clp-my-courses h2 {
    color: var(--clp-text);
    margin-bottom: 20px;
}

/* Course Access Denied */
.clp-course-access-denied {
    background: var(--clp-light-bg);
    border: 2px solid var(--clp-primary);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    margin: 30px 0;
}

.clp-course-access-denied h3 {
    color: var(--clp-text);
    margin-top: 0;
}

.clp-course-price {
    font-size: 2em;
    font-weight: 700;
    color: var(--clp-primary);
    margin: 20px 0;
}

/* Lesson Page */
.clp-lesson-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.clp-lesson-header {
    background: var(--clp-light-bg);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid var(--clp-border);
}

.clp-lesson-video {
    margin: 30px 0;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.clp-lesson-content {
    background: var(--clp-light-bg);
    padding: 30px;
    border-radius: 8px;
    line-height: 1.8;
    color: var(--clp-text);
    border: 1px solid var(--clp-border);
}

.clp-lesson-materials {
    background: var(--clp-light-gray);
    padding: 20px;
    border-radius: 8px;
    margin: 30px 0;
}

.clp-lesson-materials h4 {
    margin-top: 0;
    color: var(--clp-text);
}

.clp-materials-list {
    list-style: none;
    padding: 0;
}

.clp-materials-list li {
    padding: 10px;
    margin: 5px 0;
    background: var(--clp-light-bg);
    border-radius: 5px;
}

.clp-materials-list a {
    color: var(--clp-primary);
    text-decoration: none;
    font-weight: 600;
}

/* Quiz Interface */
.clp-quiz-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.clp-quiz-header {
    background: var(--clp-light-bg);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: center;
    border: 1px solid var(--clp-border);
}

.clp-quiz-timer {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--clp-primary);
    margin: 10px 0;
}

.clp-quiz-question {
    background: var(--clp-light-bg);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 25px;
    border: 1px solid var(--clp-border);
}

.clp-question-number {
    color: var(--clp-primary);
    font-weight: 700;
    margin-bottom: 15px;
}

.clp-question-text {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: var(--clp-text);
    line-height: 1.6;
}

.clp-quiz-options {
    list-style: none;
    padding: 0;
}

.clp-quiz-options li {
    margin: 10px 0;
}

.clp-quiz-options label {
    display: block;
    padding: 15px;
    background: var(--clp-light-gray);
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.clp-quiz-options label:hover {
    background: #e8eaf0;
}

.clp-quiz-options input[type="radio"] {
    margin-right: 10px;
}

.clp-quiz-submit {
    text-align: center;
    margin: 30px 0;
}

/* Certificates */
.clp-certificates-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.clp-certificate-card {
    background: var(--clp-light-bg);
    border: 2px solid var(--clp-primary);
    border-radius: 8px;
    padding: 25px;
    text-align: center;
}

.clp-certificate-icon {
    font-size: 3em;
    color: var(--clp-primary);
    margin-bottom: 15px;
}

.clp-certificate-course {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--clp-text);
    margin-bottom: 10px;
}

.clp-certificate-date {
    color: var(--clp-text-light);
    margin-bottom: 15px;
}

/* Responsive */
@media (max-width: 768px) {
    .clp-courses-grid {
        grid-template-columns: 1fr;
    }
    
    .clp-course-footer {
        flex-direction: column;
        gap: 15px;
    }
    
    .clp-dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .clp-curriculum-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Loading Spinner */
.clp-loading {
    text-align: center;
    padding: 40px;
}

.clp-spinner {
    border: 4px solid var(--clp-light-gray);
    border-top: 4px solid var(--clp-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}