/* ==========================================================================
   TechToday — AI Demos Common Stylesheet
   Slick spacing, compact margins/paddings, and responsive mobile card tables.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Catalog Page Styles (ai-demos.html)
   -------------------------------------------------------------------------- */
header .nav {
    padding: 0.55rem 1.25rem;
}

.hero {
    padding: 1.75rem 1.25rem 1.25rem;
}

.hero h1 {
    font-size: clamp(28px, 4vw, 36px);
    margin-bottom: 0.35rem;
}

.hero .subtitle {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.1rem;
    padding: 0.75rem 0 2rem;
}

.card {
    padding: 1.15rem 1.25rem 1.1rem;
    border-radius: 8px;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.4);
}

.card-header {
    margin-bottom: 0.65rem;
}

.card p {
    margin-bottom: 1rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   2. Study Pages Slick Spacing (Reduced Margins and Paddings)
   -------------------------------------------------------------------------- */
body.is-ai .study-layout {
    gap: 20px;
    padding: 16px 0 48px;
}

body.is-ai .study {
    padding: 24px 0 48px;
}

body.is-ai .study-layout .study {
    padding: 12px 0 0;
}

body.is-ai .topic-menu {
    padding: 16px 12px 16px 0;
}

body.is-ai .study>h1:first-child {
    margin: 0 0 14px;
    font-size: clamp(30px, 5vw, 46px);
    line-height: 1.1;
}

body.is-ai .study>h1:first-child::before {
    margin-bottom: 8px;
}

body.is-ai .lede {
    margin-bottom: 14px;
    font-size: 15.5px;
    line-height: 1.6;
}

body.is-ai p,
body.is-ai ul,
body.is-ai ol {
    margin: 0 0 12px;
}

body.is-ai .part-body>ul:not(.card-grid):not(.meta-strip),
body.is-ai .part-body>ol {
    margin: 6px 0 10px;
    padding-left: 18px;
}

body.is-ai .part-body>ul:not(.card-grid):not(.meta-strip) li,
body.is-ai .part-body>ol li {
    margin-bottom: 4px;
}

body.is-ai .course-toolbar {
    gap: 8px;
    margin-bottom: 8px;
}

body.is-ai .course-toolbar-actions {
    margin: 8px 0 14px;
    gap: 6px;
}

body.is-ai .meta-strip {
    gap: 6px;
    margin: 6px 0 12px;
}

body.is-ai .meta-strip li {
    padding: 2px 8px;
    font-size: 11.5px;
}

body.is-ai .topic-section {
    margin: 8px 0;
    border-radius: 8px;
}

body.is-ai .topic-header {
    padding: 9px 12px;
    gap: 10px;
}

body.is-ai .topic-badge {
    min-width: 24px;
    height: 24px;
    font-size: 11.5px;
}

body.is-ai .part-section {
    margin: 5px 0;
}

body.is-ai .part-header {
    padding: 6px 10px;
    gap: 8px;
}

body.is-ai .part-body {
    padding: 8px 10px 4px;
}

body.is-ai .topic-content h3,
body.is-ai .part-body h3 {
    margin: 12px 0 6px;
    font-size: 15.5px;
}

body.is-ai .topic-content h4,
body.is-ai .part-body h4 {
    margin: 10px 0 4px;
    font-size: 14px;
}

body.is-ai .callout {
    margin: 12px 0;
    padding: 10px 14px 10px 38px;
    border-radius: 6px;
}

body.is-ai .callout::before {
    top: 10px;
    left: 12px;
}

body.is-ai .card-grid {
    gap: 8px;
    margin: 10px 0;
}

body.is-ai .card-grid li {
    padding: 9px 11px;
}

body.is-ai .analogy {
    margin: 12px 0;
    padding: 10px 12px;
    gap: 10px;
}

body.is-ai pre {
    margin: 12px 0;
    padding: 12px 14px;
    border-radius: 6px;
}

body.is-ai .figure {
    margin: 14px 0;
}

body.is-ai figcaption {
    margin-top: 6px;
}

body.is-ai .viz {
    margin: 12px 0;
    padding: 10px 12px;
    border-radius: 8px;
}

body.is-ai .viz-head {
    margin-bottom: 6px;
}

body.is-ai .viz-stage {
    padding: 8px 10px;
    min-height: auto;
}

body.is-ai .viz-note {
    margin-top: 6px;
    padding: 6px 8px;
    min-height: auto;
}

/* --------------------------------------------------------------------------
   3. Desktop Table Styles
   -------------------------------------------------------------------------- */
body.is-ai .table-wrap {
    margin: 12px 0;
    border-radius: 7px;
}

body.is-ai table,
body.is-ai .static-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

body.is-ai th,
body.is-ai td,
body.is-ai .static-table th,
body.is-ai .static-table td {
    padding: 7px 10px;
    border: 1px solid var(--line);
    vertical-align: top;
}

body.is-ai th,
body.is-ai .static-table th {
    color: var(--accent);
    background: var(--surface-raised);
    text-align: left;
}

/* --------------------------------------------------------------------------
   4. Mobile Responsive & Table-to-Card Replacement (< 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {

    /* Catalog mobile */
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 1.25rem 0.75rem 0.75rem;
    }

    .grid {
        gap: 0.85rem;
        padding: 0.5rem 0 1.5rem;
    }

    .card {
        padding: 1rem;
    }

    /* Study layout mobile */
    body.is-ai .study,
    body.is-ai .study-layout {
        /* width: 95%; */
        padding-top: 10px;
    }

    body.is-ai .topic-menu {
        margin: 0 -12px 6px;
        padding: 0 12px;
    }

    body.is-ai .topic-menu-panel>summary {
        padding: 8px 0;
    }

    body.is-ai .study>h1:first-child {
        font-size: 25px;
        margin-bottom: 8px;
    }

    body.is-ai .lede {
        font-size: 14.5px;
        margin-bottom: 10px;
    }

    body.is-ai .topic-header {
        padding: 7px 9px;
    }

    body.is-ai .part-header {
        padding: 5px 8px;
    }

    body.is-ai .part-body {
        padding: 6px 4px;
    }

    body.is-ai pre {
        padding: 10px 10px;
        margin: 8px 0;
    }

    body.is-ai .callout {
        padding: 8px 10px 8px 32px;
        margin: 8px 0;
    }

    body.is-ai .viz {
        padding: 8px 9px;
        margin: 8px 0;
    }

    /* Transform HTML tables into sleek responsive card stacks */
    body.is-ai .table-wrap {
        overflow-x: visible;
        border: none;
        background: transparent;
        margin: 10px 0;
    }

    body.is-ai table,
    body.is-ai .static-table {
        display: block;
        width: 100%;
        background: transparent;
        border: none;
    }

    body.is-ai thead,
    body.is-ai table tr:first-child:has(th),
    body.is-ai .static-table tr:first-child:has(th) {
        display: none !important;
    }

    body.is-ai tbody {
        display: flex;
        flex-direction: column;
        gap: 8px;
        width: 100%;
    }

    body.is-ai table tr:not(:first-child:has(th)),
    body.is-ai .static-table tr:not(:first-child:has(th)) {
        display: flex;
        flex-direction: column;
        gap: 4px;
        background: var(--surface-raised, #171c22);
        border: 1px solid var(--line, #28303a);
        border-left: 3px solid var(--accent, #e0af68);
        border-radius: 7px;
        padding: 8px 10px;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    }

    body.is-ai table tr:not(:first-child:has(th)):hover,
    body.is-ai .static-table tr:not(:first-child:has(th)):hover {
        border-color: rgba(56, 189, 248, 0.35);
    }

    body.is-ai table td,
    body.is-ai .static-table td {
        display: flex;
        flex-direction: column;
        gap: 2px;
        padding: 3px 0;
        border: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        background: transparent;
        font-size: 13px;
        line-height: 1.45;
    }

    body.is-ai table td:last-child,
    body.is-ai .static-table td:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    body.is-ai table td[data-label]::before,
    body.is-ai .static-table td[data-label]::before {
        content: attr(data-label);
        display: inline-block;
        font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
        font-size: 10px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: var(--accent, #e0af68);
        margin-bottom: 1px;
    }

    body.is-ai td code,
    body.is-ai th code {
        white-space: normal;
        word-break: break-word;
    }
}