/* BonusZdarma — prehled blogu (.bz-blog)
   Prvni clanek je zvyrazneny na celou sirku, ostatni jdou do mrizky karet.
   Obrazky maji pevny pomer stran, takze pri nacitani nic neposkakuje. */

.bz-blog__hero {
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-bg-soft);
}

.bz-blog__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.bz-blog__h1 {
    margin: var(--space-2) 0 var(--space-3);
    font-family: var(--font-display);
    font-size: var(--fs-3xl);
    font-weight: 800;
    line-height: var(--lh-tight);
    letter-spacing: -0.02em;
    color: var(--c-heading);
}

.bz-blog__lead {
    margin: 0;
    max-width: 70ch;
    font-size: var(--fs-base);
    line-height: var(--lh-relaxed);
    color: var(--c-text-soft);
}

.bz-blog__body {
    padding: var(--space-6) 0 var(--space-9);
}

/* --- mrizka clanku --- */
.bz-blog__grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
}

.bz-post-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-surface);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.bz-post-card:hover {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-sm);
}

.bz-post-card__cover {
    aspect-ratio: 16 / 9;
    background: var(--c-surface-2);
    overflow: hidden;
}

.bz-post-card__cover img,
.bz-post-card__cover svg {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bz-post-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1 1 auto;
    padding: var(--space-4);
}

.bz-post-card__cat {
    display: inline-flex;
    align-self: flex-start;
    padding: 2px var(--space-2);
    border-radius: var(--radius-xs);
    background: var(--c-primary-soft);
    color: var(--c-primary);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-decoration: none;
}

.bz-post-card__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: 700;
    line-height: var(--lh-tight);
    color: var(--c-heading);
}

.bz-post-card__title a {
    color: inherit;
    text-decoration: none;
}

.bz-post-card__title a:hover {
    color: var(--c-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.bz-post-card__excerpt {
    margin: 0;
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
    color: var(--c-text-soft);
}

.bz-post-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-3);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px dashed var(--c-border);
    font-size: var(--fs-xs);
    color: var(--c-text-mute);
}

/* Autor, datum a delka cteni jsou samostatne flex polozky. Bez min-width: 0
   by se nezmensily pod min-content a v uzke karte by pretekly ven. */
.bz-post-card__meta > * {
    min-width: 0;
}

.bz-post-card__body > * {
    min-width: 0;
}

.bz-post-card__meta a {
    color: var(--c-text-soft);
    text-decoration: none;
}

.bz-post-card__meta a:hover {
    color: var(--c-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.bz-post-card__avatar {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    background: var(--c-surface-2);
    overflow: hidden;
}

.bz-post-card__avatar img,
.bz-post-card__avatar svg {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- zvyrazneny prvni clanek --- */
.bz-post-card--lead {
    grid-column: 1 / -1;
}

/* Polozkou mrizky je <li>, karta je az jeho potomek — grid-column na karte
   samotne proto nic nedela. Roztahnuti pres celou sirku musi dostat <li>. */
.bz-blog__grid > li:has(.bz-post-card--lead),
.bz-blog__grid > li.bz-blog__grid-lead {
    grid-column: 1 / -1;
}

.bz-post-card--lead .bz-post-card__title {
    font-size: var(--fs-2xl);
}

.bz-post-card--lead .bz-post-card__excerpt {
    font-size: var(--fs-base);
}

/* --- rubriky --- */
.bz-blog__cats {
    list-style: none;
    margin: 0 0 var(--space-5);
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.bz-blog__cats a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 var(--space-4);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--radius-full);
    background: var(--c-surface);
    color: var(--c-text-soft);
    font-size: var(--fs-sm);
    font-weight: 600;
    text-decoration: none;
}

.bz-blog__cats a:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    background: var(--c-primary-soft);
}

.bz-blog__cats .is-active a {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-on-primary);
}

@media (min-width: 640px) {
    .bz-blog__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bz-post-card--lead {
        display: grid;
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
        align-items: stretch;
    }

    .bz-post-card--lead .bz-post-card__cover {
        aspect-ratio: auto;
        height: 100%;
    }

    .bz-post-card--lead .bz-post-card__body {
        padding: var(--space-5);
    }
}

@media (min-width: 1024px) {
    .bz-blog__inner {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }

    .bz-blog__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-5);
    }
}

@media (prefers-reduced-motion: reduce) {
    .bz-post-card {
        transition: none;
    }
}

/* viditelny focus pro ovladani klavesnici */
.bz-post-card__title a:focus-visible,
.bz-post-card__cat:focus-visible,
.bz-blog__cats a:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: 2px;
}

/* Mrizky karet stoji uvnitr .bz-prose, ktera kazdemu <li> pridava odsazeni
   24 px, spodni okraj 12 px a odrazku. V mrizce to karty posouvalo doprava,
   nafukovalo radek o 12 px navic a kreslilo odrazku vedle karty. Polozka
   mrizky je jen obal karty, zadny odstavcovy seznam — styl proto rusime. */
.bz-blog__grid > li {
    margin: 0;
    padding: 0;
}

ul.bz-blog__grid > li::before {
    content: none;
}