/**
 * Resource Card & Collection
 *
 * WEB-007.4 / 4.4C.4
 *
 * Extends the established ToolNTip card visual language for editorial
 * Resources. Presentation-neutral Core CSS only; no theme/Elementor coupling.
 */

.tnt-resource-collection {
    min-width: 0;
}

.tnt-resource-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.tnt-resource-card {
    --tnt-resource-navy: #0B1D33;
    --tnt-resource-navy-hover: #142A45;
    --tnt-resource-gold: #F5B300;
    --tnt-resource-gold-soft: #FFF6DC;
    --tnt-resource-surface: #FFFFFF;
    --tnt-resource-surface-subtle: #F8FAFC;
    --tnt-resource-surface-hover: #F1F5F9;
    --tnt-resource-border: #E6E9EF;
    --tnt-resource-text: #0B1D33;
    --tnt-resource-text-muted: #64748B;

    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100%;

    background: var(--tnt-resource-surface);
    border: 1px solid var(--tnt-resource-border);
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(11, 29, 51, 0.06);

    color: var(--tnt-resource-text);
    overflow: hidden;

    transition:
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease;
}

.tnt-resource-card:hover {
    border-color: rgba(11, 29, 51, 0.18);
    box-shadow: 0 8px 28px rgba(11, 29, 51, 0.09);
}

.tnt-resource-card__media {
    display: block;
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;

    background: var(--tnt-resource-surface-subtle);
    border-bottom: 1px solid var(--tnt-resource-border);

    overflow: hidden;
    text-decoration: none;
}

.tnt-resource-card__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tnt-resource-card__media-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;

    background:
        linear-gradient(135deg, rgba(11, 29, 51, 0.04), rgba(245, 179, 0, 0.10)),
        var(--tnt-resource-surface-subtle);
}

.tnt-resource-card__media-fallback::before {
    content: "TNT";
    color: rgba(11, 29, 51, 0.30);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.tnt-resource-card__media:focus-visible,
.tnt-resource-card__title a:focus-visible,
.tnt-resource-card__type a:focus-visible,
.tnt-resource-card__topic a:focus-visible,
.tnt-resource-card__tag:focus-visible,
.tnt-resource-card__action:focus-visible {
    outline: 3px solid rgba(245, 179, 0, 0.35);
    outline-offset: 2px;
}

.tnt-resource-card__body {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 0.9rem;
    padding: 1.5rem;
}

.tnt-resource-card__type {
    align-self: flex-start;
}

.tnt-resource-card__type a,
.tnt-resource-card__type {
    color: var(--tnt-resource-navy);
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.045em;
    text-decoration: none;
    text-transform: uppercase;
}

.tnt-resource-card__type a {
    display: inline-flex;
    min-height: 30px;
    align-items: center;
    padding: 0.35rem 0.7rem;

    background: var(--tnt-resource-gold-soft);
    border: 1px solid rgba(245, 179, 0, 0.32);
    border-radius: 999px;
}

.tnt-resource-card__type a:hover {
    border-color: rgba(245, 179, 0, 0.58);
}

.tnt-resource-card__title {
    margin: 0;

    color: var(--tnt-resource-text);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
}

.tnt-resource-card__title a {
    color: inherit;
    text-decoration: none;
}

.tnt-resource-card__title a:hover {
    color: var(--tnt-resource-navy-hover);
}

.tnt-resource-card__excerpt {
    margin: 0;

    color: var(--tnt-resource-text-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.tnt-resource-card__topic {
    margin-top: auto;
}

.tnt-resource-card__topic a,
.tnt-resource-card__topic {
    color: var(--tnt-resource-navy);
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.35;
    text-decoration: none;
}

.tnt-resource-card__topic a:hover {
    text-decoration: underline;
    text-underline-offset: 0.16em;
}

.tnt-resource-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.tnt-resource-card__tag {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0.3rem 0.62rem;

    background: var(--tnt-resource-surface-subtle);
    border: 1px solid var(--tnt-resource-border);
    border-radius: 999px;

    color: var(--tnt-resource-text-muted);
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
}

a.tnt-resource-card__tag:hover {
    background: var(--tnt-resource-surface-hover);
    border-color: rgba(11, 29, 51, 0.18);
    color: var(--tnt-resource-navy);
}

.tnt-resource-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;

    margin-top: 0.15rem;
    padding-top: 1rem;

    border-top: 1px solid var(--tnt-resource-border);
}

.tnt-resource-card__date {
    color: var(--tnt-resource-text-muted);
    font-size: 0.82rem;
    line-height: 1.35;
}

.tnt-resource-card__action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.68rem 0.95rem;

    background: var(--tnt-resource-surface-subtle);
    border: 1px solid var(--tnt-resource-border);
    border-radius: 10px;

    color: var(--tnt-resource-navy);
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    text-decoration: none;

    transition:
        background-color 160ms ease,
        border-color 160ms ease,
        color 160ms ease,
        transform 160ms ease;
}

.tnt-resource-card__action:hover {
    background: var(--tnt-resource-surface-hover);
    border-color: var(--tnt-resource-navy);
    color: var(--tnt-resource-navy);
}

.tnt-resource-card__action:active {
    transform: translateY(1px);
}

.tnt-resource-collection .tnt-empty {
    padding: 1.5rem;
    text-align: center;
}

.tnt-resource-collection .tnt-empty p {
    margin: 0;
}

@media (max-width: 900px) {
    .tnt-resource-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .tnt-resource-grid {
        grid-template-columns: 1fr;
    }

    .tnt-resource-card__body {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .tnt-resource-card__body {
        gap: 0.8rem;
        padding: 1rem;
    }

    .tnt-resource-card__title {
        font-size: 1.1rem;
    }

    .tnt-resource-card__excerpt {
        font-size: 0.9rem;
    }

    .tnt-resource-card__footer {
        align-items: stretch;
        flex-direction: column;
    }

    .tnt-resource-card__action {
        width: 100%;
    }
}