/* ============================================================
   Smiggy's World — Unified Visual System Selector,
   Consolidated System Hub Layout & Streamlined 4-Pillar Navbar
   ============================================================ */

/* --- 1. Streamlined 4-Pillar Header Dropdown Enhancements --- */
/* Override style.css .nav-links a { white-space: nowrap } inside dropdowns so items never overflow columns */
.nav-links .nav-dropdown {
    box-sizing: border-box;
    padding: 0.55rem 0.65rem 0.65rem;
}

.nav-links .nav-dropdown-item,
.nav-links .nav-dropdown-row {
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
}

.nav-links .nav-dropdown a.nav-dropdown-link {
    white-space: normal;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    padding: 0.48rem 0.65rem;
    border-radius: 8px;
}

.nav-links .nav-dropdown-title {
    display: block;
    font-size: 0.83rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-links .nav-dropdown-link:hover .nav-dropdown-title,
.nav-links .nav-dropdown-link.active .nav-dropdown-title {
    color: var(--accent);
}

.nav-links .nav-dropdown-sub {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    line-height: 1.35;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.1rem;
}

.nav-dropdown-section {
    padding: 0.5rem 0.65rem 0.22rem;
    margin-top: 0.3rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--accent);
    opacity: 0.9;
    border-top: 1px solid var(--border);
    user-select: none;
}

.nav-dropdown-header + .nav-dropdown-section {
    margin-top: 0;
    border-top: none;
}

@media (min-width: 981px) {
    /* With 4 clean top-level items, always show full labels and roomy spacing */
    .nav-links {
        gap: 0.35rem;
    }

    .nav-dropdown-toggle {
        padding: 0.5rem 0.8rem;
        font-size: 0.88rem;
    }

    .nav-dropdown-label-full {
        display: inline !important;
    }

    .nav-dropdown-label-short {
        display: none !important;
    }

    .nav-dropdown--systems,
    .nav-dropdown--tools {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.15rem 0.6rem;
        width: 580px;
        max-width: calc(100vw - 2rem);
        max-height: calc(100vh - var(--nav-height) - 20px);
        overflow-y: auto;
        overflow-x: hidden;
    }

    .nav-dropdown--systems > .nav-dropdown-header,
    .nav-dropdown--systems > .nav-dropdown-section,
    .nav-dropdown--tools > .nav-dropdown-header,
    .nav-dropdown--tools > .nav-dropdown-section {
        grid-column: 1 / -1;
    }

    .nav-dropdown--community,
    .nav-dropdown--blog {
        width: 340px;
        max-width: calc(100vw - 2rem);
    }

    /* Prevent right-side dropdowns from overflowing viewport right edge */
    .nav-item.has-dropdown:last-child > .nav-dropdown {
        left: auto;
        right: 0;
    }
}

/* --- 2. Unified Visual System Selector (Homepage & /hubs) --- */
.vss-section {
    position: relative;
}

.vss-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid rgba(0, 255, 136, 0.22);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 0.65rem;
}

.vss-controls {
    padding: 1.35rem 1.5rem;
    margin-bottom: 1.75rem;
}

.vss-controls-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.vss-cat-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.vss-cat-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 0.95rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vss-cat-bracket {
    color: var(--text-muted);
    opacity: 0.7;
}

.vss-cat-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.vss-cat-btn.active {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 14px var(--accent-glow);
}

.vss-cat-btn.active .vss-cat-bracket {
    color: var(--accent);
    opacity: 1;
}

.vss-cat-count {
    font-size: 0.7rem;
    padding: 0.08rem 0.42rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
}

.vss-cat-btn.active .vss-cat-count {
    background: var(--accent);
    color: #06060b;
}

.vss-search-wrap {
    position: relative;
    flex: 1;
    min-width: 280px;
    max-width: 460px;
}

.vss-search-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.vss-search-input {
    width: 100%;
    padding: 0.62rem 2.2rem 0.62rem 2.55rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.86rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.vss-search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.vss-search-clear {
    position: absolute;
    right: 0.55rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.15rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
}

.vss-search-clear:hover {
    color: var(--accent);
}

.vss-chip-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.95rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--border);
}

.vss-chip-bar-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-right: 0.25rem;
}

.vss-chip-pill {
    padding: 0.22rem 0.58rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.71rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.vss-chip-pill:hover,
.vss-chip-pill.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.vss-match-status {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--text-muted);
}

/* --- 3. Visual System Cards Grid --- */
.vss-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.vss-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.35rem;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}

.vss-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0.45;
    transition: opacity 0.25s ease;
}

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

.vss-card:hover::before {
    opacity: 1;
}

.vss-card-top {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    margin-bottom: 0.85rem;
}

.vss-visual-box {
    width: 66px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--accent);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.vss-card:hover .vss-visual-box {
    border-color: var(--accent);
    transform: scale(1.04);
}

.vss-svg {
    width: 54px;
    height: 38px;
}

.vss-card-meta {
    flex: 1;
    min-width: 0;
}

.vss-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.3rem;
}

.vss-badge {
    display: inline-block;
    padding: 0.12rem 0.48rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.vss-badge--family {
    color: var(--accent);
    background: var(--accent-glow);
    border-color: rgba(0, 255, 136, 0.25);
}

.vss-card-title {
    font-family: var(--font-heading);
    font-size: 1.04rem;
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 0.2rem;
}

.vss-card-title a {
    color: var(--text-primary);
    text-decoration: none;
}

.vss-card-title a:hover {
    color: var(--accent);
}

.vss-card-cpu {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.35;
}

.vss-card-desc {
    font-size: 0.83rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin: 0 0 0.85rem;
    flex: 1;
}

.vss-card-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.9rem;
}

.vss-card-chip-tag {
    padding: 0.15rem 0.45rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.vss-card-chip-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.vss-quicklinks {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.4rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border);
}

.vss-qlink {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.42rem 0.52rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s ease;
    min-width: 0;
}

.vss-qlink svg {
    flex-shrink: 0;
    color: var(--accent);
}

.vss-qlink:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.vss-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    margin-top: 1rem;
}

.vss-empty-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.vss-empty-sub {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

/* --- 4. Consolidated System Hub Header Bar & 4-Tab Interface --- */
.ush-bar-wrap {
    padding: 1.75rem 0 0.5rem;
}

.ush-anchor-point {
    display: block;
    position: relative;
    top: -90px;
    visibility: hidden;
}

.ush-summary-card {
    padding: 1.5rem;
}

.ush-summary-top {
    display: flex;
    align-items: flex-start;
    gap: 1.15rem;
    flex-wrap: wrap;
    margin-bottom: 1.15rem;
}

.ush-summary-visual {
    width: 74px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--accent);
    border-radius: 12px;
    color: var(--accent);
}

.ush-summary-main {
    flex: 1;
    min-width: 240px;
}

.ush-summary-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.35rem;
}

.ush-summary-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.3rem;
}

.ush-summary-desc {
    font-size: 0.86rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.55;
}

.ush-switcher-box {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 230px;
}

.ush-switcher-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.ush-switcher-select {
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    cursor: pointer;
}

.ush-switcher-select:focus {
    outline: none;
    border-color: var(--accent);
}

.ush-spec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    padding: 0.95rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 1.15rem;
}

.ush-spec-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.ush-spec-label {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
}

.ush-spec-val {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ush-spec-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.ush-chip-pill {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(0, 255, 136, 0.22);
}

/* 4-Tab Bar */
.ush-tabs-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 0.95rem;
    border-top: 1px solid var(--border);
}

.ush-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.62rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ush-tab-btn svg {
    color: var(--accent);
    flex-shrink: 0;
}

.ush-tab-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.ush-tab-btn.active {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Hide legacy per-page quicknav strip when unified system hub bar is mounted */
body.ush-active nav[class*="-quicknav"] {
    display: none;
}

.ush-tab-hidden {
    display: none !important;
}

/* Consolidated Recap & IC Cards */
.ush-recap-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ush-recap-tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.55rem 0.95rem;
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ush-recap-tab-sub {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-muted);
    font-weight: 400;
}

.ush-recap-tab.active,
.ush-recap-tab:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.ush-recap-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
}

.ush-recap-aka {
    font-size: 0.84rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.ush-recap-intro {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.ush-subboard-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--accent);
    margin: 1.1rem 0 0.5rem;
}

.ush-table-wrap {
    overflow-x: auto;
}

.ush-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.83rem;
}

.ush-table th,
.ush-table td {
    padding: 0.55rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.ush-table th {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    background: var(--bg-primary);
}

.ush-recap-summary-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.ush-checklist {
    margin: 0.75rem 0 0;
    padding-left: 1.25rem;
    font-size: 0.86rem;
    color: var(--text-secondary);
}

.ush-checklist li {
    margin-bottom: 0.35rem;
}

.ush-recap-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-shrink: 0;
}

.ush-ic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ush-ic-card {
    display: flex;
    flex-direction: column;
    padding: 1.15rem;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.ush-ic-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}

.ush-ic-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.45rem;
}

.ush-ic-pkg {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.15rem 0.48rem;
    border-radius: 4px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(0, 255, 136, 0.25);
}

.ush-ic-cat {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-muted);
}

.ush-ic-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.15rem;
}

.ush-ic-part {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    margin: 0 0 0.45rem;
}

.ush-ic-desc {
    font-size: 0.79rem;
    line-height: 1.5;
    color: var(--text-secondary);
    flex: 1;
    margin: 0 0 0.65rem;
}

.ush-ic-cta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
}

.ush-tools-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.ush-tool-link {
    padding: 1.15rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.ush-tool-link:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.ush-tool-cat {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.3rem;
}

.ush-tool-link h4 {
    font-family: var(--font-heading);
    font-size: 0.94rem;
    color: var(--text-primary);
    margin: 0 0 0.35rem;
}

.ush-tool-link p {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* --- 5. Secondary Sister Services Footer Bar --- */
.footer-sister-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0.85rem 1.25rem;
    margin-bottom: 1.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.8rem;
}

.footer-sister-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.footer-sister-link {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-sister-link strong {
    color: var(--accent);
}

.footer-sister-link:hover strong {
    text-decoration: underline;
}

.footer-sister-sep {
    color: var(--text-muted);
}

/* --- 6. Responsive Breakpoints --- */
@media (max-width: 1080px) {
    .vss-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ush-spec-grid,
    .ush-tools-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 680px) {
    .vss-grid {
        grid-template-columns: 1fr;
    }
    .vss-search-wrap {
        max-width: 100%;
    }
    .ush-spec-grid,
    .ush-tools-strip {
        grid-template-columns: 1fr;
    }
    .ush-tabs-bar {
        flex-direction: column;
    }
    .ush-tab-btn {
        width: 100%;
        justify-content: flex-start;
    }
}