/* Riddle Up — Puzzles listing page
   Flat grid of puzzle GAME MODES (not individual riddles), each with a
   cover-icon "image" band, title, description, and CTA. Uses the
   `--surface-*` dark-theme-safe tokens defined in ../site.css (loaded
   sitewide). Loaded only on this page via PuzzleController@index (see
   \Assets::add). */

.pz-hero {
    background: linear-gradient(120deg, rgba(var(--indigo-rgb), .07), rgba(var(--teal-rgb), .06));
}

.pz-hero-subtitle {
    color: var(--body-color);
    opacity: .7;
    font-size: .95rem;
    max-width: 46rem;
}

.pz-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: 1.1rem;
    border: 1px solid var(--border-color);
    background: var(--surface-bg);
    overflow: hidden;
    color: var(--body-color);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

a.pz-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--surface-hover-shadow);
    border-color: rgba(var(--indigo-rgb), .4);
    color: var(--body-color);
}

.pz-card-cover {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 8rem;
    font-size: 3rem;
    color: var(--indigo);
    background: linear-gradient(135deg, rgba(var(--indigo-rgb), .18), rgba(var(--teal-rgb), .14));
}

.pz-card-cover--muted {
    color: var(--body-color);
    opacity: .35;
    background: var(--surface-muted-bg);
}

.pz-card-body {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    padding: 1.25rem 1.25rem 1.5rem;
    flex: 1;
}

.pz-card-title {
    font-weight: 600;
    font-size: 1.05rem;
}

.pz-card-desc {
    font-size: .875rem;
    opacity: .75;
    line-height: 1.5;
}

.pz-card-cta {
    margin-top: auto;
    padding-top: .5rem;
    font-weight: 600;
    font-size: .875rem;
    color: var(--indigo);
}

.pz-card--empty {
    opacity: .7;
}

.pz-card-badge {
    margin-top: auto;
    padding-top: .5rem;
    font-size: .8125rem;
    font-style: italic;
    opacity: .65;
}