.text-primary {
    color: #ec4899;
}

.bg-primary {
    background-color: #ec4899;
}

.border-primary {
    border-color: #ec4899;
}

.hover-primary:hover {
    background-color: #db2777;
}

.dropdown-content {
    display: none;
    padding: 0.55rem;
    background: linear-gradient(180deg, #fff7fb 0%, #fff1f7 100%);
    border-top: 1px solid #fbcfe8;
}

.dropdown-content.active {
    display: block;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.btn-tab {
    transition: all 0.3s ease;
}

.btn-tab.active {
    border-bottom: 3px solid #ec4899;
    color: #ec4899;
}

.task-rich-text {
    font-size: 0.875rem;
    line-height: 1.625;
    color: #374151;
}

.task-rich-text p {
    margin-bottom: 0.75rem;
}

.task-rich-text p:last-child {
    margin-bottom: 0;
}

.task-rich-text ul {
    list-style-type: disc;
    margin-left: 1.25rem;
    margin-bottom: 0.75rem;
}

.task-rich-text ol {
    list-style-type: decimal;
    margin-left: 1.25rem;
    margin-bottom: 0.75rem;
}

.task-rich-text li {
    margin-bottom: 0.25rem;
}

.task-rich-text h1,
.task-rich-text h2,
.task-rich-text h3,
.task-rich-text h4 {
    font-weight: 700;
    color: #111827;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.task-rich-text h1 { font-size: 1.25rem; }
.task-rich-text h2 { font-size: 1.125rem; }
.task-rich-text h3 { font-size: 1rem; }

.task-rich-text a {
    color: #db2777;
    text-decoration: underline;
}

.task-rich-text blockquote {
    border-left: 3px solid #ec4899;
    padding-left: 0.75rem;
    font-style: italic;
    color: #4b5563;
    margin-bottom: 0.75rem;
}

.task-rich-text code {
    background-color: #f3f4f6;
    padding: 0.15rem 0.35rem;
    border-radius: 0.25rem;
    font-size: 0.8em;
    color: #be185d;
}

.video-placeholder {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
}

.youtube-chrome-block {
    position: absolute;
    z-index: 20;
    cursor: default;
    background: transparent;
}

.youtube-chrome-block--channel {
    top: 0;
    right: 0;
    width: 13rem;
    height: 4.25rem;
}

.youtube-chrome-block--share {
    left: 0;
    bottom: 3.25rem;
    width: 10.5rem;
    height: 3.5rem;
}

.youtube-chrome-block--watch {
    right: 0;
    bottom: 3.25rem;
    width: 11.5rem;
    height: 3.5rem;
}

.youtube-chrome-block--logo {
    right: 0;
    bottom: 0;
    width: 6.5rem;
    height: 2.75rem;
}

.presentation-placeholder {
    background: linear-gradient(135deg, #ffffff 0%, #fff7fb 100%);
}

.video-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
    margin: 0.4rem;
    border-radius: 0.75rem;
    border: 1px solid transparent;
    background: #ffffff;
    text-decoration: none;
    transition: all 0.2s ease;
}

.video-item:hover {
    background-color: #fdf2f8;
    border-color: #fbcfe8;
    transform: translateY(-1px);
}

.video-item.watched {
    color: #6b7280;
}

.video-item.watched .video-icon {
    color: #10b981;
}

.video-item.unwatched {
    color: #374151;
}

.video-item.unwatched .video-icon {
    color: #f472b6;
}

.video-item.now-playing {
    background: linear-gradient(90deg, #fdf2f8 0%, #fce7f3 100%);
    border: 1px solid #f9a8d4;
    box-shadow: 0 6px 14px rgba(236, 72, 153, 0.12);
    color: #be185d;
    font-weight: 600;
}

.video-item.now-playing .video-icon {
    color: #ec4899;
}

.video-item .video-title {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.video-item .video-duration {
    font-size: 0.75rem;
    color: #9ca3af;
    white-space: nowrap;
    flex-shrink: 0;
    padding: 0.15rem 0.45rem;
    border-radius: 9999px;
    background: #fdf2f8;
}

.video-item.now-playing .video-duration {
    color: #be185d;
    background: #fbcfe8;
}

.video-item.presentation-item {
    background: linear-gradient(90deg, #fdf2f8 0%, #fce7f3 100%);
    border: 1px solid #f9a8d4;
    box-shadow: 0 6px 14px rgba(236, 72, 153, 0.12);
    color: #be185d;
    font-weight: 600;
}

.video-item.presentation-item .video-icon {
    color: #ec4899;
}

.video-item.presentation-item .video-duration {
    color: #be185d;
    background: #fbcfe8;
}

.video-item.locked {
    color: #9ca3af;
    background-color: #fdf4f7;
    border-color: #fce7f3;
    cursor: not-allowed;
}

.video-item.locked .video-icon {
    color: #9ca3af;
}

.section-header {
    width: 100%;
    padding: 0.9rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #ffffff 0%, #fff1f7 100%);
    transition: all 0.2s ease;
}

.section-header:hover {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
}

.section-header .section-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
}

.section-header .section-count {
    font-size: 0.7rem;
    color: #be185d;
    font-weight: 600;
    background: #fce7f3;
    border: 1px solid #fbcfe8;
    padding: 0.1rem 0.5rem;
    border-radius: 9999px;
    margin-top: 0.2rem;
}

.quiz-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 60;
    padding: 1rem;
}

.quiz-modal-backdrop.active {
    display: flex;
}

.quiz-modal-card {
    width: 100%;
    max-width: 42rem;
    max-height: 90vh;
    overflow-y: auto;
    background: #ffffff;
    border-radius: 1rem;
    border: 1px solid #fbcfe8;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
}