/* /static/css/lecturers-redesign.css
   Специфичные для /lecturers/ стили.
   Toolbar/topics-filter/topic-pill/search-form/pagination/empty-state приходят из library-redesign.css. */

.lecturers-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .lecturers-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .lecturers-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1280px) {
    .lecturers-grid { grid-template-columns: repeat(4, 1fr); }
}

.lecturer-card {
    background-color: var(--card-background-color);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
}

.lecturer-card:not(.is-passive):hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-color-hover);
}

.lecturer-card:not(.is-passive):active {
    transform: translateY(-2px);
    transition-duration: 80ms;
}

.lecturer-card:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-color-soft),
                0 0 0 5px var(--accent-color);
}

.lecturer-card.is-passive {
    opacity: 0.85;
    cursor: default;
}

.lecturer-avatar {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-color: #e5e7eb;
    border-radius: var(--radius-card) var(--radius-card) 0 0;
    overflow: hidden;
}

.lecturer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms var(--transition-base);
}

.lecturer-card:not(.is-passive):hover .lecturer-avatar img {
    transform: scale(1.03);
}

.lecturer-avatar-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-color-soft);
    color: var(--accent-color);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.lecturer-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.lecturer-name {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-text-color);
    margin: 0 0 0.5rem;
}

.lecturer-bio {
    font-size: 0.875rem;
    color: var(--secondary-text-color);
    line-height: 1.5;
    margin: 0 0 1rem;
}

.lecturer-bio p {
    margin: 0 0 0.5rem;
}

.lecturer-bio p:last-child {
    margin-bottom: 0;
}

.lecturer-bio :is(strong, b) {
    color: var(--primary-text-color);
    font-weight: 600;
}

.lecturer-footer {
    margin-top: auto;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

.lecturer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    flex: 1 1 auto;
    min-width: 0;
}

.expertise-tag {
    display: inline-block;
    background-color: var(--accent-color-soft);
    color: var(--accent-color);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    line-height: 1.2;
}

.lecturer-cta {
    color: var(--accent-color);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    transition: color var(--transition-base), letter-spacing var(--transition-base);
}

.lecturer-card:not(.is-passive):hover .lecturer-cta {
    color: var(--accent-color-hover);
}

@media (prefers-reduced-motion: reduce) {
    .lecturer-card,
    .lecturer-card:hover,
    .lecturer-card:active,
    .lecturer-avatar img,
    .lecturer-card:hover .lecturer-avatar img,
    .lecturer-cta {
        transform: none !important;
        transition: none !important;
    }
}