/* ============================================================
   samples.css — Analysis samples showcase page
   ============================================================ */

.samples-page {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
}

.samples-page__header {
    margin: 0 0 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.samples-page__title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.5rem, 2.2vw + 0.6rem, 2rem);
    line-height: 1.25;
    color: var(--color-primary);
}

.samples-page__intro {
    max-width: 70ch;
    margin: 0;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ── Language bar ─────────────────────────────────────────── */
.samples-langbar {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    margin: 0 0 1.5rem;
    padding-bottom: 0.35rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.samples-langbar__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

    .samples-langbar__btn:hover,
    .samples-langbar__btn:focus-visible {
        border-color: var(--color-accent);
        color: var(--color-text);
    }

    .samples-langbar__btn.is-active {
        background: var(--color-primary);
        border-color: var(--color-primary);
        color: #fff;
    }

.samples-langbar__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.4rem;
    height: 1.4rem;
    padding: 0 0.3rem;
    border-radius: 999px;
    background: rgba(127, 127, 128, 0.18);
    font-size: 0.78rem;
}

/* ── Body layout: list + detail panel ────────────────────── */
.samples-body {
    display: grid;
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.samples-list {
    flex: 1 1 auto;
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    padding: 0.5rem;
    overflow: hidden;
}

.samples-list__group {
    display: none;
    margin: 0;
    padding: 0.15rem;
    list-style: none;
    gap: 0.75rem;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

    .samples-list__group.is-active {
        display: flex;
    }

    .samples-list__group li {
        flex: 0 0 auto;
        scroll-snap-align: start;
    }

/* ── Cards carousel (сверху страницы) ─────────────────────── */
.samples-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1.5rem;
}

.samples-carousel__nav {
    flex: 0 0 auto;
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

    .samples-carousel__nav:hover,
    .samples-carousel__nav:focus-visible {
        border-color: var(--color-accent);
        color: var(--color-primary);
    }

    .samples-carousel__nav:disabled {
        opacity: 0.35;
        cursor: default;
    }

    /* Стрелки видны, только если ряд карточек реально не помещается по ширине */
    .samples-carousel.is-scrollable .samples-carousel__nav {
        display: flex;
    }

/* ── Sample card (карточка примера) ──────────────────────── */
.samples-card {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    width: 250px;
    text-align: left;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition);
}

    .samples-card:hover,
    .samples-card:focus-visible {
        background: var(--color-panel-bg);
    }

    .samples-card.is-active {
        border-color: var(--color-accent);
        background: var(--accent-soft);
    }

.samples-card__heading {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
}

.samples-card__meta,
.samples-detail__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.samples-detail__meta {
    margin: 0 0 1rem;
}

/* ── Доп. поля записи: duration / speakers / native_speaker / high_stakes ── */
.samples-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: var(--color-panel-bg);
    color: var(--color-text-muted);
    font-size: 0.78rem;
    line-height: 1.4;
    white-space: nowrap;
}

.samples-badge--positive {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.samples-badge--warning {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
}

.samples-badge--neutral {
    background: var(--color-panel-bg);
    color: var(--color-text-muted);
}

/* ── Detail panel ─────────────────────────────────────────── */
.samples-detail {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    padding: 1.25rem;
    min-height: 320px;
    box-shadow: var(--shadow-sm);
}

.samples-detail__placeholder {
    margin: 0;
    color: var(--color-text-muted);
}

.samples-detail__title {
    margin: 0 0 0.5rem;
    color: var(--color-primary);
    font-size: 1.25rem;
}

.samples-detail__description {
    margin: 0 0 1.25rem;
    color: var(--color-text);
    line-height: 1.6;
}

.samples-detail__description p {
    margin: 0 0 0.75rem;
}

.samples-detail__description p:last-child {
    margin-bottom: 0;
}

.samples-detail__description ul,
.samples-detail__description ol {
    padding-left: 1.5rem;
    margin: 0.5rem 0 1rem;
}

.samples-detail__description li {
    color: var(--color-text);
}

.samples-detail__description strong {
    color: var(--color-primary);
}

.samples-detail__description blockquote {
    border-left: 4px solid var(--color-accent);
    padding: 0.25rem 0 0.25rem 1rem;
    margin: 0.75rem 0;
    color: var(--color-text-muted);
    background: var(--accent-soft);
}

.samples-detail__description code {
    background: var(--color-panel-bg);
    color: var(--color-text);
    padding: 0.05rem 0.35rem;
    border-radius: 4px;
    font-size: 0.95em;
}

.samples-detail__media {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.samples-detail__subheading {
    margin: 0 0 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.samples-detail__video-frame {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #000;
}

.samples-detail__video-iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.samples-detail__pdf {
    width: 100%;
    height: 640px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-border);
}

.samples-detail__pdf-fallback {
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

    .samples-detail__pdf-fallback a {
        color: var(--color-primary);
    }

.samples-detail__video,
.samples-detail__report {
    margin: 0 0 1.5rem;
}

.samples-empty {
    color: var(--color-text-muted);
}

/* ── Mobile adaptation ───────────────────────────────────── */
@media (max-width: 991.98px) {
    .samples-body {
        grid-template-columns: 1fr;
    }

    .samples-list {
        max-height: none;
    }
}

@media (max-width: 767.98px) {
    .samples-card {
        width: 210px;
    }

    .samples-detail__pdf {
        height: 420px;
    }
}

@media (max-width: 575.98px) {
    .samples-page {
        padding: 1rem 1rem 2rem;
    }

    .samples-page__title {
        font-size: 1.4rem;
    }

    .samples-page__intro {
        max-width: 100%;
        font-size: 1rem;
    }

    .samples-langbar__btn {
        padding: 0.45rem 0.85rem;
        font-size: 0.88rem;
    }

    .samples-carousel__nav {
        width: 1.9rem;
        height: 1.9rem;
        font-size: 0.95rem;
    }

    .samples-detail {
        padding: 1rem;
    }

    .samples-detail__pdf {
        height: 320px;
    }
}