/* ==========================================================================
   3D print files: print-files.html viewer and the docs.html parts list
   ========================================================================== */

.print-files {
    padding: 3rem 0 var(--section);
}

.print-files-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
}

/* --- Parts list ------------------------------------------------------- */

.parts-sidebar {
    position: sticky;
    top: 100px;
}

.parts-group + .parts-group {
    margin-top: 1.75rem;
}

.parts-group h3 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--rule);
}

.parts-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.125rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--r);
    color: var(--ink-2);
    font: inherit;
    font-size: 0.9375rem;
    text-align: left;
    cursor: pointer;
}

.parts-item:hover {
    color: var(--ink);
    background: var(--surface-2);
}

.parts-item.active {
    color: var(--accent);
    background: rgb(var(--accent-rgb) / 0.1);
}

.parts-item-qty {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--ink-3);
}

.parts-empty {
    color: var(--ink-2);
}

.parts-footnote {
    margin-top: 2rem;
    font-size: 0.875rem;
    color: var(--ink-3);
}

/* --- Viewer ----------------------------------------------------------- */

.part-viewer {
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
    background: var(--surface-1);
    overflow: hidden;
}

.viewer-frame {
    position: relative;
    border-bottom: 1px solid var(--rule);
}

.viewer-stage {
    aspect-ratio: 4 / 3;
    max-height: 70vh;
    width: 100%;
    background: var(--surface-inset);
    cursor: grab;
    touch-action: none;
}

.viewer-stage:active {
    cursor: grabbing;
}

.viewer-stage canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.viewer-status {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    pointer-events: none;
}

.viewer-status[hidden] {
    display: none;
}

.viewer-tools {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    gap: 0.5rem;
}

.viewer-tool {
    padding: 0.375rem 0.75rem;
    background: var(--surface-1);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-sm);
    color: var(--ink-2);
    font: inherit;
    font-size: 0.8125rem;
    cursor: pointer;
}

.viewer-tool:hover {
    color: var(--ink);
}

.viewer-tool[aria-pressed="true"] {
    color: var(--accent);
    border-color: var(--accent);
}

.viewer-hint {
    position: absolute;
    left: 0.75rem;
    bottom: 0.625rem;
    margin: 0;
    font-size: 0.75rem;
    color: var(--ink-3);
    pointer-events: none;
}

/* --- Details ---------------------------------------------------------- */

.part-details {
    padding: 1.75rem 2rem 2rem;
}

.part-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
}

.part-heading h2 {
    font-size: 1.5rem;
    color: var(--ink);
}

.part-build {
    margin-bottom: 0.25rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-3);
}

.part-description {
    margin-top: 1rem;
    max-width: var(--measure);
    color: var(--ink-2);
}

.part-description[hidden] {
    display: none;
}

.part-specs {
    display: grid;
    grid-template-columns: max-content 1fr;
    margin: 0;
    max-width: 32rem;
}

.part-specs:first-of-type {
    margin-top: 1.5rem;
}

.part-specs dt,
.part-specs dd {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--rule);
    font-size: 0.9375rem;
}

.part-specs dt {
    padding-right: 2rem;
    color: var(--ink-3);
}

.part-specs dd {
    margin: 0;
    color: var(--ink);
}

/* --- Docs page list --------------------------------------------------- */

.print-parts-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9375rem;
}

.print-parts-table th,
.print-parts-table td {
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--rule);
    text-align: left;
    vertical-align: baseline;
}

.print-parts-table th {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-3);
}

.print-parts-table td:last-child {
    text-align: right;
    white-space: nowrap;
}

.print-parts-table td:last-child a + a {
    margin-left: 1rem;
}

/* --- Responsive ------------------------------------------------------- */

@media (max-width: 900px) {
    .print-files-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .parts-sidebar {
        position: static;
    }

    .parts-footnote {
        display: none;
    }
}

@media (max-width: 560px) {
    .part-details {
        padding: 1.25rem;
    }

    .part-heading {
        flex-direction: column;
        gap: 1rem;
    }

    .viewer-hint {
        display: none;
    }

    .print-parts-table th:nth-child(2),
    .print-parts-table td:nth-child(2) {
        display: none;
    }
}