/* ============================================
   Smiggy's World — Hub Pages Stylesheet
   Retro Tech, Repair Notes, Off the Bench
   ============================================ */

/* --- System Reference Hub Grid --- */
.hub-quick-access {
    padding-bottom: 2rem;
}

.hub-system-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.hub-system-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.hub-system-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hub-system-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.hub-system-card:hover::before {
    opacity: 1;
}

.hub-system-icon {
    flex-shrink: 0;
    font-size: 2.2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius);
    border: 1px solid rgba(0,255,136,0.1);
}

.hub-system-info {
    flex: 1;
    min-width: 0;
}

.hub-system-info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.hub-system-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.hub-system-cta {
    flex-shrink: 0;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
}

/* --- Tag Filter Bar --- */
.hub-tag-filter {
    padding-bottom: 0;
}

.hub-tag-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.hub-tag-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-right: 0.25rem;
    white-space: nowrap;
}

.hub-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: var(--glass);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.hub-tag:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.hub-tag--active {
    color: #000;
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
}

.hub-tag--active:hover {
    color: #000;
    background: var(--accent-hover);
}

.hub-tag-count {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    opacity: 0.7;
}

/* --- Category Filter Tabs (Off the Bench) --- */
.hub-cat-filter {
    padding-top: 0;
    padding-bottom: 0;
}

.hub-cat-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.5rem;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.hub-cat-tab {
    display: inline-block;
    padding: 0.5rem 1.1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.25s ease;
}

.hub-cat-tab:hover {
    color: var(--accent);
    background: var(--accent-glow);
}

.hub-cat-tab--active {
    color: #000;
    background: var(--accent);
    font-weight: 600;
}

.hub-cat-tab--active:hover {
    color: #000;
    background: var(--accent-hover);
}

/* --- Active Filter Notice --- */
.hub-filter-active {
    margin-bottom: 2rem;
    padding: 0.85rem 1.25rem;
    background: var(--accent-glow);
    border: 1px solid rgba(0,255,136,0.15);
    border-radius: var(--radius);
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.hub-filter-active a {
    color: var(--accent);
    font-weight: 600;
}

/* --- Pagination --- */
.hub-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.hub-page-info {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* --- Empty State --- */
.hub-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
    font-size: 1rem;
}

.hub-empty .btn {
    margin-top: 1.5rem;
}

/* --- Off the Bench Card Variant --- */
.card-otb {
    border-color: rgba(168, 85, 247, 0.15);
}

.card-otb::before {
    background: linear-gradient(90deg, #a855f7, #ec4899);
}

.card-category--otb {
    color: #a855f7;
    background: rgba(168, 85, 247, 0.12);
    border-color: rgba(168, 85, 247, 0.2);
}

/* --- "Off the Bench" Homepage Section --- */
.hp-otb-section {
    background: var(--bg-secondary);
    position: relative;
}

.hp-otb-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #a855f7, #ec4899, #f97316);
}

/* --- Off the Bench Hero Variant --- */
.otb-hero {
    background: linear-gradient(135deg, rgba(168,85,247,0.08) 0%, rgba(236,72,153,0.06) 50%, rgba(249,115,22,0.04) 100%);
}

/* --- Personal Context Callout Boxes (for use within articles) --- */
.bench-callout {
    position: relative;
    margin: 2rem 0;
    padding: 1.5rem 1.5rem 1.5rem 4rem;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.bench-callout::before {
    content: attr(data-icon);
    position: absolute;
    left: 1rem;
    top: 1.4rem;
    font-size: 1.5rem;
}

.bench-callout[data-icon=""]::before,
.bench-callout:not([data-icon])::before {
    content: '\1F4DD';
}

.bench-callout-title {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bench-callout p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Callout variants */
.bench-callout--acquisition {
    border-left-color: #00ccff;
}
.bench-callout--acquisition .bench-callout-title {
    color: #00ccff;
}

.bench-callout--repair {
    border-left-color: #ffa502;
}
.bench-callout--repair .bench-callout-title {
    color: #ffa502;
}

.bench-callout--personal {
    border-left-color: #a855f7;
}
.bench-callout--personal .bench-callout-title {
    color: #a855f7;
}

/* --- Author Callout Box (personal notes within technical guides) --- */
.author-note {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    background: rgba(168, 85, 247, 0.06);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: var(--radius);
    position: relative;
}

.author-note::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #a855f7, #ec4899);
    border-radius: var(--radius) var(--radius) 0 0;
}

.author-note-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
}

.author-note-avatar {
    width: 28px;
    height: 28px;
    background: var(--accent-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    border: 1px solid rgba(168,85,247,0.2);
}

.author-note-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: #a855f7;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.author-note p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
    font-style: italic;
}

/* --- Diagnostic Tag Pills (within article content) --- */
.diag-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1rem 0;
}

.diag-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.25rem 0.7rem;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.diag-tag--chip {
    color: #00ccff;
    background: rgba(0,204,255,0.1);
    border: 1px solid rgba(0,204,255,0.2);
}

.diag-tag--board {
    color: #00ff88;
    background: rgba(0,255,136,0.1);
    border: 1px solid rgba(0,255,136,0.2);
}

.diag-tag--symptom {
    color: #ff6b35;
    background: rgba(255,107,53,0.1);
    border: 1px solid rgba(255,107,53,0.2);
}

.diag-tag--fault {
    color: #ff4466;
    background: rgba(255,68,102,0.1);
    border: 1px solid rgba(255,68,102,0.2);
}

.diag-tag:hover {
    filter: brightness(1.2);
    transform: translateY(-1px);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hub-system-grid {
        grid-template-columns: 1fr;
    }

    .hub-system-card {
        flex-wrap: wrap;
    }

    .hub-system-cta {
        width: 100%;
        text-align: center;
        padding-top: 0.5rem;
        border-top: 1px solid var(--border);
        margin-top: 0.5rem;
    }

    .hub-tag-bar {
        padding: 0.85rem 1rem;
    }

    .hub-cat-bar {
        gap: 0.15rem;
        padding: 0.35rem;
    }

    .hub-cat-tab {
        padding: 0.4rem 0.85rem;
        font-size: 0.8rem;
    }

    .hub-pagination {
        flex-direction: column;
        gap: 0.75rem;
    }

    .bench-callout {
        padding-left: 1.25rem;
        padding-top: 3rem;
    }

    .bench-callout::before {
        top: 1rem;
        left: 1rem;
    }
}

@media (max-width: 480px) {
    .hub-tag-bar {
        gap: 0.35rem;
    }

    .hub-tag {
        font-size: 0.72rem;
        padding: 0.25rem 0.6rem;
    }
}