/* recorded-lectures.css - Updated to match project design system */

/* Fix navbar overlap - consistent with your existing setup */
/* Fix ALL white text in content cards */
.content-card,
.content-card h5,
.content-card h6,
.content-card p,
.content-card .text-muted,
.content-card .lecture-meta,
.content-card .lecture-duration {
    color: #495057 !important;
}

/* Specifically fix the level selection text */
.level-select-btn {
    color: white !important; /* Keep button text white */
}

.level-select-btn.active {
    color: white !important; /* Keep active button text white */
}

/* Fix placeholder text in lecture list */
#lecturePlaceholder,
#lecturePlaceholder .text-muted,
#lecturePlaceholder p {
    color: #6c757d !important; /* Lighter gray for placeholder */
}

/* Fix resources container text */
#resourcesContainer,
#resourcesContainer .text-muted {
    color: #495057 !important;
}

/* Ensure all text inside content cards is visible */
.content-card *:not(.level-select-btn):not(.level-select-btn *) {
    color: #495057 !important;
}

body {
    padding-top: 56px; /* Using your existing navbar offset */
}

.lectures-section {
    padding: 80px 15px;
    background-color: var(--light-bg-body);
    flex-grow: 1;
    min-height: calc(100vh - 160px);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-weight: bold;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-text);
    text-align: center;
    margin-top: 0%;
}

.content-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 30px;
}

/* Level Selection Buttons - Consistent with your design */
.level-select-btn {
    background-color: var(--accent-green);
    color: var(--light-text);
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    margin: 5px;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.1s ease;
    font-size: 0.9rem;
}

.level-select-btn:hover {
    background-color: var(--accent-green-darker);
    transform: translateY(-2px);
}

.level-select-btn.active {
    background-color: var(--primary-dark-bg);
    border: 2px solid var(--accent-green);
}

/* Lecture List Styling */
.lecture-list {
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-green) var(--light-bg-body);
}

.lecture-list::-webkit-scrollbar {
    width: 6px;
}

.lecture-list::-webkit-scrollbar-track {
    background: var(--light-bg-body);
    border-radius: 3px;
}

.lecture-list::-webkit-scrollbar-thumb {
    background: var(--accent-green);
    border-radius: 3px;
}

.lecture-item {
    cursor: pointer;
    padding: 15px 10px;
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s ease;
    background: var(--card-bg);
    border: none;
}

.lecture-item:hover {
    background-color: #f0f0f0;
}

.lecture-item.active {
    background-color: #e0ffe0;
    font-weight: bold;
    color: cadetblue;
    border-left: 4px solid var(--accent-green);
}

.lecture-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-text);
    font-size: 0.95rem;
}

.lecture-meta {
    font-size: 0.8rem;
    color: var(--light-text);
}

.lecture-duration {
    display: inline-block;
    background-color: rgba(95, 159, 114, 0.1);
    color: var(--accent-green);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Video Player Container */
.video-player-container {
    margin: 20px 0;
    border-radius: 15px;
    overflow: hidden;
    background-color: #000;
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.video-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-player iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--light-bg-body) 0%, #e9ecef 100%);
    color: var(--light-text);
    padding: 20px;
    text-align: center;
}

.video-placeholder i {
    color: var(--accent-green);
    margin-bottom: 15px;
    font-size: 3rem;
}

/* Lecture Description */
.lecture-description {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--light-bg-body);
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.6;
    border: 1px solid var(--dictation-input-border);
}

/* Fix for white text in lecture description */
.lecture-description p {
    color: #495057 !important; /* Force dark color */
    line-height: 1.6;
    margin-bottom: 0;
}

/* Override the text-muted class specifically in lecture description */
.lecture-description .text-muted {
    color: #495057 !important;
}

/* Alternative: More specific selector */
#lectureDescription.text-muted {
    color: #495057 !important;
}

/* Lecture Resources */
.lecture-resources {
    margin-top: 20px;
}

.lecture-resources h6 {
    font-family: 'Playfair Display', serif;
    color: var(--dark-text);
    margin-bottom: 15px;
    font-weight: bold;
}

.resource-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background-color: var(--card-bg);
    border: 1px solid var(--dictation-input-border);
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.resource-item:hover {
    background-color: rgba(95, 159, 114, 0.05);
    border-color: var(--accent-green);
    text-decoration: none;
    color: inherit;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.resource-icon {
    margin-right: 12px;
    color: var(--accent-green);
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.resource-info {
    flex: 1;
}

.resource-title {
    font-weight: 600;
    margin-bottom: 2px;
    font-size: 0.9rem;
    color: var(--dark-text);
}

.resource-meta {
    font-size: 0.8rem;
    color: var(--light-text);
}

.resource-download {
    color: var(--accent-green);
    opacity: 0;
    transition: opacity 0.2s ease;
    font-size: 1.1rem;
}

.resource-item:hover .resource-download {
    opacity: 1;
}

/* Loading states - Consistent with your existing patterns */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--accent-green);
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Text colors for placeholders */
.text-muted {
    color: var(--light-text) !important;
}

/* Responsive adjustments - Consistent with your breakpoints */
@media (max-width: 991.98px) {
    .lectures-section {
        padding: 60px 15px;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .col-md-4, .col-md-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .content-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 767.98px) {
    .lectures-section {
        padding: 50px 10px;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .content-card {
        padding: 20px;
    }
    
    .video-player-container {
        margin: 15px 0;
        border-radius: 10px;
    }
    
    .lecture-item {
        padding: 12px 8px;
    }
    
    .lecture-title {
        font-size: 0.9rem;
    }
}

@media (max-width: 575.98px) {
    body {
        padding-top: 52px;
    }
    
    .lectures-section {
        padding: 40px 10px;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .level-select-btn {
        padding: 8px 15px;
        font-size: 0.85rem;
        margin: 3px;
    }
    
    .video-placeholder i {
        font-size: 2.5rem;
    }
    
    .lecture-description {
        padding: 15px;
        font-size: 0.9rem;
    }
    
    .resource-item {
        padding: 10px 12px;
    }
}

@media (max-width: 350px) {
    .section-title {
        font-size: 1.4rem;
    }
    
    .content-card {
        padding: 15px;
    }
}