/* ProPuz hub home (/) — categories, quick play, puzzle cards */

.hub-category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2rem;
    position: sticky;
    top: 0.5rem;
    z-index: 10;
    padding: 0.65rem;
    border-radius: 999px;
    background: rgba(26, 35, 50, 0.72);
    border: 1px solid var(--border-grid);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

[data-theme="light"] .hub-category-nav {
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

.hub-category-nav a {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    transition: color 0.15s, background 0.15s;
}

.hub-category-nav a:hover,
.hub-category-nav a:focus-visible {
    color: var(--accent);
    background: rgba(29, 155, 240, 0.12);
    outline: none;
}

.hub-section-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-grid);
}

.hub-section-heading i {
    color: var(--accent);
    margin-right: 0.4rem;
}

.hub-quick-play,
.hub-daily-strip {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.hub-quick-play__label,
.hub-daily-strip__label {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
    margin-top: 0;
    margin-bottom: 1rem;
    text-align: center;
}

.hub-quick-play__actions,
.hub-daily-strip__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.65rem;
    justify-content: center;
    margin-top: 0;
}

button.home-below-chip {
    cursor: pointer;
    font-family: inherit;
    line-height: inherit;
    appearance: none;
    -webkit-appearance: none;
}

button.home-below-chip:hover,
button.home-below-chip:focus-visible {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-cell-hover);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    outline: none;
}

[data-theme="light"] button.home-below-chip:hover,
[data-theme="light"] button.home-below-chip:focus-visible {
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
}

.hub-continue-banner {
    border-radius: 16px;
    border: 1px solid var(--border-grid);
    background: var(--bg-card);
    padding: 0.85rem 1.15rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.hub-continue-banner.d-none {
    display: none !important;
}

.hub-hero-puzzles--10 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
}

@media (min-width: 380px) {
    .hub-hero-puzzles--10 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.hub-hero-puzzles--10 .hub-hero-puzzle-label {
    font-size: 0.65rem;
}

.hub-featured-callout {
    border-left: 3px solid var(--accent);
    padding-left: 0.85rem;
    margin-bottom: 1.25rem;
}

.hub-featured-callout__kicker {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.2rem;
}

.hub-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.85rem;
}

.hub-card-tag {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(29, 155, 240, 0.14);
    color: var(--accent);
    border: 1px solid rgba(29, 155, 240, 0.25);
}

.hub-card-tag--new {
    background: rgba(34, 197, 94, 0.14);
    color: var(--success, #22c55e);
    border-color: rgba(34, 197, 94, 0.3);
}

.hub-card-preview {
    width: 100%;
    max-width: 4.5rem;
    height: 3rem;
    border-radius: 10px;
    margin-bottom: 0.85rem;
    border: 1px solid var(--border-grid);
    background: var(--bg-cell);
    position: relative;
    overflow: hidden;
}

.hub-card-preview--grid::before {
    content: "";
    position: absolute;
    inset: 6px;
    background:
        linear-gradient(var(--border-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-grid) 1px, transparent 1px);
    background-size: 33.33% 33.33%;
    opacity: 0.65;
}

.hub-card-preview--word::after {
    content: "ABC";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: var(--accent);
    opacity: 0.85;
}

.hub-card-preview--tiles::before {
    content: "1 2\A 3 ·";
    white-space: pre;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.62rem;
    font-weight: 700;
    line-height: 1.35;
    text-align: center;
    color: var(--text-primary);
    font-family: ui-monospace, monospace;
}

.hub-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-top: auto;
    padding-top: 0.5rem;
}

.hub-card-actions form.d-inline {
    flex: 1 1 auto;
    min-width: 7rem;
}

.hub-card-play,
.hub-card-actions .hub-card-play {
    flex: 1 1 auto;
    min-width: 7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.25;
    text-decoration: none;
    color: #fff !important;
    background: linear-gradient(135deg, var(--accent), #4db8f5);
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
}

.hub-card-actions form.d-inline .hub-card-play {
    width: 100%;
}

.hub-card-play:hover,
.hub-card-play:focus-visible {
    color: #fff !important;
    background: linear-gradient(135deg, var(--accent-hover), var(--accent));
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(29, 155, 240, 0.35);
    outline: none;
}

[data-theme="light"] .hub-card-play {
    background: linear-gradient(135deg, var(--accent), #38bdf8);
}

[data-theme="light"] .hub-card-play:hover,
[data-theme="light"] .hub-card-play:focus-visible {
    background: linear-gradient(135deg, var(--accent-hover), #0ea5e9);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.hub-card-actions .hub-card-link-quiet {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.42rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--accent) !important;
    text-decoration: none;
    border: 1px solid rgba(29, 155, 240, 0.35);
    border-radius: 10px;
    background: rgba(29, 155, 240, 0.06);
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.hub-card-actions .hub-card-link-quiet:hover,
.hub-card-actions .hub-card-link-quiet:focus-visible {
    color: #fff !important;
    background: linear-gradient(135deg, var(--accent), #4db8f5);
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(29, 155, 240, 0.28);
    transform: translateY(-1px);
    outline: none;
}

[data-theme="light"] .hub-card-actions .hub-card-link-quiet {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(14, 165, 233, 0.35);
}

[data-theme="light"] .hub-card-actions .hub-card-link-quiet:hover,
[data-theme="light"] .hub-card-actions .hub-card-link-quiet:focus-visible {
    background: linear-gradient(135deg, var(--accent), #38bdf8);
}

@media (prefers-reduced-motion: reduce) {
    .hub-card-play:hover,
    .hub-card-play:focus-visible,
    .hub-card-actions .hub-card-link-quiet:hover,
    .hub-card-actions .hub-card-link-quiet:focus-visible {
        transform: none;
    }
}

.hub-bookmark-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1.5rem;
}

.hub-bookmark-hint i {
    color: var(--accent);
}