.episodes {
    padding: 0 20px;
}

.episodes h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.episodes-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.episode-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.episode-card:not(.locked):hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.episode-card.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.episode-info {
    flex: 1;
}

.episode-number {
    font-size: 14px;
    color: #666;
    margin-bottom: 4px;
}

.episode-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.episode-subtitle {
    font-size: 14px;
    color: #999;
}

.episode-status {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 8px;
}

.episode-status.locked {
    color: #ccc;
}

.episode-status.locked svg {
    stroke: #ccc;
}

.episode-start-btn {
    background: linear-gradient(135deg, #1976d2 0%, #0d47a1 100%);
    color: white;
    border: none;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.3);
    position: relative;
    overflow: hidden;
    order: -1;
}

.episode-start-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.episode-start-btn:hover::before {
    left: 100%;
}

.episode-start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(25, 118, 210, 0.4);
}

.episode-start-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.3);
}

/* Episode Detail View */
.episode-detail {
    padding: 20px;
    display: none;
}

.episode-detail.active {
    display: block;
}

.episode-header {
    margin-bottom: 24px;
}

.back-btn {
    background: none;
    border: none;
    color: #1976d2;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    margin-bottom: 16px;
    border-radius: 8px;
    transition: all 0.2s;
    margin-left: -12px;
}

.back-btn:hover {
    background: rgba(25, 118, 210, 0.05);
}

.back-btn:active {
    opacity: 0.7;
    transform: scale(0.98);
}

.back-btn svg {
    stroke: #1976d2;
}

.episode-detail-title {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
}

.episode-detail-subtitle {
    font-size: 16px;
    color: #666;
}

.test-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.test-card {
    background: white;
    border-radius: 12px;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.test-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #1976d2 0%, #0d47a1 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.test-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

.test-card:active {
    transform: translateY(-2px);
}

.test-icon {
    margin-bottom: 4px;
    color: #1976d2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.test-icon svg {
    stroke: #1976d2;
}

.test-name {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.test-description {
    font-size: 12px;
    color: #999;
}

.vlog-section {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.vlog-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.vlog-icon {
    font-size: 32px;
}

.vlog-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.vlog-player {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1976d2;
    font-size: 64px;
    cursor: pointer;
    transition: transform 0.2s;
}

.vlog-player:active {
    transform: scale(0.98);
}