/* ============================================================
   AISC STEEL SECTION DATABASE — page styles
   Matches the calc tool pages (LagScrews / ThroughBolts /
   ConcreteAnchors): dark topbar, sidebar controls, calc sheet.
   Tool pages run on a 15px root font; this page uses the site's
   16px root, so shared chrome is specified in px to match.
   ============================================================ */

.steel-page {
    --sheetline: #E9E6D8;
    --sheet-white: #FCFBF4;
}

/* ---------- topbar (identical sizing to tool pages) ---------- */
.topbar {
    background: var(--ink);
    color: #F6F8F9;
    padding: 10.5px 21px;
    display: flex;
    align-items: baseline;
    gap: 15px;
    flex-wrap: wrap;
}

.topbar h1 {
    font-family: var(--font-head);
    font-size: 15.75px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    margin: 0;
    color: #F6F8F9;
}

.topbar .ref {
    font-family: var(--font-mono);
    font-size: 10.8px;
    opacity: .75;
}

.topbar .topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar .printbtn {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: .05em;
    text-transform: uppercase;
    cursor: pointer;
    background: var(--safety);
    color: #fff;
    border: 1px solid var(--safety-dark);
    padding: 7.5px 16.5px;
    border-radius: 3px;
}

.topbar .printbtn:hover {
    filter: brightness(1.08);
}

.topbar .printbtn:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Secondary (ghost) action on the dark bar */
.topbar .printbtn.ghost {
    background: transparent;
    border-color: rgba(246, 248, 249, 0.5);
    color: #F6F8F9;
}

.topbar .printbtn.ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    filter: none;
}

/* ---------- layout: sidebar + sheet ---------- */
.wrap {
    display: grid;
    grid-template-columns: minmax(290px, 340px) 1fr;
    gap: 21px;
    padding: 21px;
    max-width: 1480px;
    margin: 0 auto;
}

@media (max-width: 980px) {
    .wrap { grid-template-columns: 1fr; }
}

/* ---------- sidebar controls ---------- */
.controls-side {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.controls-side fieldset {
    border: 1px solid var(--ink-60);
    border-radius: 4px;
    background: var(--sheet-white);
    padding: 13px 14px 14px;
    box-shadow: 2px 2px 0 rgba(22, 32, 44, .08);
}

.controls-side legend {
    font-weight: 700;
    font-size: 11px;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 0 7px;
    color: var(--ink);
}

.controls-side .row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 10px;
    margin-bottom: 8px;
}

.controls-side .row.one {
    grid-template-columns: 1fr;
}

.controls-side label.fld {
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: 11px;
    color: var(--ink-60);
    font-weight: 600;
}

.controls-side input[type=text],
.controls-side select {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink);
    border: 1px solid var(--ink-30);
    border-radius: 3px;
    padding: 5px 7px;
    background: #fff;
    width: 100%;
}

.controls-side input:focus-visible,
.controls-side select:focus-visible {
    outline: 2px solid var(--steel);
    outline-offset: 1px;
}

.controls-side .hint {
    font-size: 10px;
    color: var(--ink-60);
    line-height: 1.45;
    margin-top: 5px;
}

.side-btn {
    width: 100%;
    margin-bottom: 8px;
}

.side-btn:last-of-type {
    margin-bottom: 0;
}

/* ---------- buttons ---------- */
.btn-primary,
.btn-secondary {
    padding: 8px 14px;
    border-radius: 3px;
    font-size: 12.5px;
    font-weight: 600;
    font-family: var(--font-body);
    letter-spacing: .03em;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--ink-30);
}

.btn-primary {
    background-color: var(--safety);
    border-color: var(--safety-dark);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--safety-dark);
}

.btn-secondary {
    background-color: #fff;
    color: var(--ink);
}

.btn-secondary:hover {
    background-color: var(--vellum);
    border-color: var(--link);
    color: var(--link-dark);
}

.btn-secondary.active {
    background-color: var(--ink);
    border-color: var(--ink);
    color: #fff;
}

/* ---------- calc sheet ---------- */
.sheet {
    background: var(--sheet-white);
    border: 1px solid var(--ink);
    border-radius: 2px;
    box-shadow: 4px 4px 0 rgba(22, 32, 44, .12);
    overflow: hidden;
    min-width: 0;
}

.titleblock {
    display: grid;
    grid-template-columns: 1fr auto;
    border-bottom: 2px solid var(--ink);
    background: var(--sheet-white);
}

.titleblock .tb-l {
    padding: 13px 18px 10px;
}

.titleblock .tb-l h2 {
    font-family: var(--font-head);
    font-size: 18.75px;
    font-weight: 700;
    letter-spacing: .02em;
    margin: 0;
}

.titleblock .tb-l .sub {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--ink-60);
    margin-top: 2px;
}

.tb-r {
    display: grid;
    grid-template-columns: auto auto;
    border-left: 1px solid var(--ink);
    font-size: 10px;
}

.tb-r div {
    padding: 5px 12px;
    border-bottom: 1px solid var(--sheetline);
}

.tb-r div:nth-child(odd) {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-60);
    border-right: 1px solid var(--sheetline);
}

.tb-r div:nth-child(even) {
    font-family: var(--font-mono);
}

.sheet-body {
    padding: 16px 21px 24px;
}

/* ---------- section preview ---------- */
.preview-sec h3 {
    font-family: var(--font-body);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    border-bottom: 1.5px solid var(--ink);
    padding-bottom: 4px;
    margin: 0 0 9px;
    display: flex;
    align-items: baseline;
    gap: 9px;
}

.preview-sec h3 .sec-ref {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    color: var(--steel);
    letter-spacing: .03em;
    text-transform: none;
    margin-left: auto;
}

.preview {
    display: grid;
    grid-template-columns: minmax(260px, 360px) 1fr;
    gap: 16px;
    margin-bottom: 18px;
    align-items: start;
}

@media (max-width: 760px) {
    .preview { grid-template-columns: 1fr; }
}

#shapePreview {
    width: 100%;
    height: auto;
    display: block;
    background: #fff;
    border: 1px solid var(--sheetline);
    border-radius: 3px;
}

.kv {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px 13px;
    font-size: 11.5px;
}

.kv .cell {
    padding: 6px 8px;
    border: 1px solid var(--sheetline);
    border-radius: 3px;
    background: #fff;
}

.kv .k {
    color: var(--ink-60);
    font-size: 9.5px;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 700;
}

.kv .v {
    font-family: var(--font-mono);
    font-size: 13px;
}

/* ---------- Loading Status ---------- */
.loading-status {
    padding: 8px 12px;
    border-radius: 3px;
    margin-bottom: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
}

.loading-status.info {
    background-color: rgba(46, 100, 166, 0.08);
    color: var(--steel);
    border: 1px solid rgba(46, 100, 166, 0.25);
}

.loading-status.success {
    background-color: rgba(27, 127, 77, 0.08);
    color: var(--ok);
    border: 1px solid rgba(27, 127, 77, 0.25);
}

.loading-status.error {
    background-color: rgba(179, 54, 43, 0.08);
    color: var(--fail);
    border: 1px solid rgba(179, 54, 43, 0.25);
}

/* ---------- Table ---------- */
.table-container {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 64vh;
    width: 100%;
    border: 1px solid var(--ink);
    border-radius: 2px;
    background: #fff;
}

table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
    font-size: 13px;            /* base size; JS scales this down to fit all columns */
}

thead {
    background: var(--ink);
    color: #F6F8F9;
    position: sticky;
    top: 0;
    z-index: 10;
}

th {
    padding: .5em .6em;
    text-align: left;
    font-weight: 600;
    font-size: .82em;
    letter-spacing: .03em;
    text-transform: uppercase;
    white-space: normal;
    vertical-align: bottom;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

th:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* two-line condensed header: engineering symbol over unit (left-aligned) */
.th-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    line-height: 1.12;
    gap: 1px;
}

.th-main {
    font-weight: 600;
    white-space: nowrap;
}

.th-unit {
    font-size: .8em;
    font-weight: 400;
    opacity: .72;
    text-transform: none;
    letter-spacing: 0;
    min-height: .85em;          /* reserve the 2nd line even when there is no unit */
}

.sort-icon {
    font-size: .85em;
    opacity: 0.7;
    margin-left: .3em;
}

tbody tr {
    border-bottom: 1px solid var(--sheetline);
    transition: background-color 0.15s ease;
    cursor: pointer;
}

tbody tr:hover {
    background-color: var(--vellum);
}

tbody tr.selected {
    background-color: var(--steel-soft, #DCE6F2);
}

tbody tr.selected td:first-child {
    box-shadow: inset 3px 0 0 var(--steel);
}

tbody tr:last-child {
    border-bottom: none;
}

td {
    padding: .42em .6em;
    font-size: .92em;
    color: var(--ink);
    text-align: left;
}

td:first-child {
    font-weight: 500;
}

/* Numeric cells - left-aligned under their header, monospace for clean reading */
td:not(:first-child) {
    font-family: var(--font-mono);
    font-size: .86em;
}

/* ---------- Column Selector / Filter Panels ---------- */
.column-selector,
.filter-panel {
    background: #fff;
    border: 1px solid var(--ink);
    border-radius: 2px;
    padding: 18px;
    margin-bottom: 16px;
    box-shadow: 3px 3px 0 rgba(22, 32, 44, .10);
}

.column-selector h3,
.filter-panel h3 {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink);
    margin: 0 0 14px;
    border-bottom: 1.5px solid var(--ink);
    padding-bottom: 4px;
}

.checkbox-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 6px;
    max-height: 320px;
    overflow-y: auto;
    padding: 8px;
    margin-bottom: 16px;
    border: 1px solid var(--sheetline);
    border-radius: 3px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 6px;
    border-radius: 3px;
    transition: background-color 0.15s ease;
}

.checkbox-item:hover {
    background-color: var(--vellum);
}

.checkbox-item input[type="checkbox"] {
    width: 15px;
    height: 15px;
    cursor: pointer;
    accent-color: var(--steel);
}

.checkbox-item label {
    font-size: 12px;
    color: var(--ink);
    cursor: pointer;
    flex: 1;
}

.button-group,
.filter-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.button-group button,
.filter-buttons button {
    padding: 7px 13px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--ink-30);
    background: #fff;
    color: var(--ink);
}

.button-group button:hover,
.filter-buttons button:hover {
    background: var(--vellum);
    border-color: var(--link);
    color: var(--link-dark);
}

.button-group .primary-button,
.filter-buttons .primary-button {
    background: var(--safety);
    color: #fff;
    border-color: var(--safety-dark);
}

.button-group .primary-button:hover,
.filter-buttons .primary-button:hover {
    background: var(--safety-dark);
    border-color: var(--safety-dark);
    color: #fff;
}

/* ---------- Filter Panel Specific ---------- */
.filter-item {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--sheetline);
}

.filter-item:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.filter-item label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-60);
    margin-bottom: 7px;
}

.range-slider {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.range-slider input[type="number"] {
    padding: 6px 9px;
    border: 1px solid var(--ink-30);
    border-radius: 3px;
    font-size: 12.5px;
    font-family: var(--font-mono);
    width: 110px;
    transition: border-color 0.15s ease;
}

.range-slider input[type="number"]:focus {
    outline: none;
    border-color: var(--steel);
}

.range-slider div {
    font-size: 11px;
    color: var(--ink-60);
    font-family: var(--font-mono);
    min-width: 150px;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .wrap { padding: 14px; }
    .sheet-body { padding: 12px 14px 18px; }
    .titleblock { grid-template-columns: 1fr; }
    .tb-r { border-left: none; border-top: 1px solid var(--ink); }
    .checkbox-container { grid-template-columns: 1fr; }
}

/* ---------- Print: clean data sheet (portrait, matches the calc pages) ---------- */
@page { size: letter portrait; margin: .95in .5in .95in; }

@media print {
    .topbar,
    .controls-side,
    .column-selector,
    .filter-panel,
    .loading-status {
        display: none !important;
    }
    .wrap {
        display: block;
        padding: 0;
        max-width: none;
    }
    .sheet {
        box-shadow: none;
        border: none;
    }
    .titleblock { border: 1px solid var(--ink); border-radius: 2px; break-inside: avoid; }
    .table-container {
        max-height: none;
        overflow: visible;
        border-width: 1px;
    }
    /* Repeat the header on every page; never split a row */
    thead { display: table-header-group; position: static; }
    tbody tr { cursor: default; break-inside: avoid; }
    .preview-sec, .preview { break-inside: avoid; }
    /* Compact preview: fixed physical size so the drawing can't balloon
       to page width and push the table down several pages */
    .preview {
        display: grid;
        grid-template-columns: 2.1in 1fr;
        gap: 0.15in;
        margin-bottom: 0.15in;
        align-items: start;
    }
    #shapePreview {
        width: 2.1in;
        height: 1.7in;
    }
    .kv {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px 8px;
    }
    .kv .cell { padding: 3px 6px; }
    .kv .k { font-size: 7.5px; }
    .kv .v { font-size: 10px; }
    .sheet-body { padding: 10px 12px 14px; }

    /* Fixed layout + wrapping guarantees EVERY column fits the page width:
       columns share the width evenly and long values/headers wrap to multiple
       lines instead of being clipped off the right edge. */
    table {
        table-layout: fixed;
        width: 100%;
        font-size: 8.5px !important;
    }
    th, td {
        white-space: normal;
        overflow-wrap: anywhere;
        word-break: break-word;
        padding: 2px 3px;
    }
    th:first-child, td:first-child { width: 0.95in; }
    .th-main { white-space: normal; }   /* allow the section label header to wrap too */

    /* Keep the ink header band and selected-row highlight on paper */
    thead {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    tbody tr.selected {
        background-color: var(--steel-soft, #DCE6F2) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}