.metal-tool .tube-beam-page{min-width:0;overflow-wrap:anywhere}
.metal-tool .tube-beam-notice{padding:10px 13px;border-left:3px solid var(--accent);background:#edf6f7;font-size:.78rem;line-height:1.7}
.metal-tool .tube-beam-axis{display:flex;flex-wrap:wrap;gap:8px 20px;margin:12px 0;padding:8px 10px;border:1px solid var(--line);font-size:.82rem}
.metal-tool .tube-beam-axis label{display:flex;align-items:center;min-height:44px;cursor:pointer}
.metal-tool .tube-beam-axis input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.metal-tool .tube-beam-selection{margin-top:16px}
.metal-tool .tube-beam-primary{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:12px;margin:0}
.metal-tool .tube-beam-primary>div{padding:14px;background:#e8f5f7;border-left:3px solid var(--accent);border-radius:6px;min-width:0}
.metal-tool .tube-beam-primary dt{font-size:.84rem;font-weight:700}
.metal-tool .tube-beam-primary dd{margin:6px 0;font-size:clamp(1.3rem,3vw,2rem);font-weight:800;color:var(--accent-dark);font-variant-numeric:tabular-nums}
.metal-tool .tube-beam-primary small{font-size:.72rem;font-weight:500}
.metal-tool .tube-beam-deflection p{margin:3px 0;font-size:1.1rem;font-weight:700;color:var(--accent-dark)}
.metal-tool .tube-beam-auxiliary{margin-top:12px}
.metal-tool .tube-beam-page summary{min-height:36px;cursor:pointer;color:var(--accent-dark);font-size:.8rem;font-weight:700}
.metal-tool .tube-beam-page summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.metal-tool .tube-beam-aux-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;font-size:.77rem}
.metal-tool .tube-beam-aux-grid dd{margin:4px 0;font-variant-numeric:tabular-nums}
.metal-tool .tube-beam-compare-head,.metal-tool .tube-beam-compare-row{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,.7fr) minmax(0,1fr) minmax(0,1.2fr) minmax(0,.8fr);gap:9px;align-items:center}
.metal-tool .tube-beam-compare-head{padding:9px;font-size:.72rem;background:#f0f6f7}
.metal-tool .tube-beam-compare-row{width:100%;min-width:0;min-height:44px;padding:9px;margin:0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:#fff;color:var(--ink);text-align:right;font-size:.78rem;font-variant-numeric:tabular-nums;cursor:pointer;transition:background-color .16s ease}
.metal-tool .tube-beam-compare-row span{min-width:0;overflow-wrap:anywhere}
.metal-tool .tube-beam-compare-name{text-align:left;font-weight:700}
.metal-tool .tube-beam-compare-name small{display:block;color:var(--accent-dark);font-size:.65rem}
.metal-tool .tube-beam-compare-row:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;background:#edf8f9}
@media(hover:hover){.metal-tool .tube-beam-compare-row:hover{background:#edf8f9}}
.metal-tool .tube-beam-compare-row[aria-current="true"]{background:#d9edf0;box-shadow:inset 3px 0 var(--accent);font-weight:700}
.metal-tool .tube-beam-compare-row:active{background:#d9edf0}
.metal-tool .tube-beam-evidence{min-width:0;overflow-wrap:anywhere;font-size:.78rem;line-height:1.7}
@media(max-width:600px){.metal-tool .tube-beam-page .beam-choice-grid{grid-template-columns:minmax(0,1fr)}
.metal-tool .tube-beam-page .beam-choice-face{min-height:64px;flex-direction:row;gap:12px}
.metal-tool .tube-beam-page .beam-choice-face svg{width:116px;height:42px}
.metal-tool .tube-beam-page .beam-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
.metal-tool .tube-beam-page .beam-selection{grid-template-columns:minmax(0,1fr)}
.metal-tool .tube-beam-primary{grid-template-columns:minmax(0,1fr)}
.metal-tool .tube-beam-aux-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.metal-tool .tube-beam-compare-head{display:none}
.metal-tool .tube-beam-compare-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 9px;text-align:left;font-size:.73rem}
.metal-tool .tube-beam-compare-name{grid-column:1/-1;font-size:.83rem}
.metal-tool .tube-beam-compare-name small{display:inline;margin-left:8px}
.metal-tool .tube-beam-compare-deflection{grid-column:1;grid-row:2}
.metal-tool .tube-beam-compare-mass{grid-column:2;grid-row:2}
.metal-tool .tube-beam-compare-weight{grid-column:3;grid-row:2}
.metal-tool .tube-beam-compare-stress{display:none}
.metal-tool .tube-beam-compare-row [data-label]::before{content:attr(data-label);display:block;font-size:.62rem;color:var(--muted)}}
@media(max-width:390px){.metal-tool .tube-beam-page .beam-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.metal-tool .tube-beam-page .beam-choice-face{min-height:78px;flex-direction:column;gap:2px;padding:5px}
.metal-tool .tube-beam-page .beam-choice-face svg{width:min(100%,166px);height:43px}
.metal-tool .tube-beam-compare-row{padding:6px 9px;row-gap:2px}}
@media(prefers-reduced-motion:reduce){.metal-tool .tube-beam-page *{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.metal-tool .solid-beam-page :is(input:not([type="radio"]),select,.beam-neighbors button){box-sizing:border-box;min-height:44px}
.metal-tool .solid-beam-page :is(input,select,button):focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.metal-tool .open-beam-page :is(input:not([type="radio"]),select,.beam-neighbors button){box-sizing:border-box;min-height:44px}
.metal-tool .open-beam-page :is(input,select,button):focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.metal-tool .open-beam-t-page .i-beam-self{display:flex;flex-direction:column;gap:4px;max-width:180px;margin-top:12px;color:var(--muted);font-size:.7rem;font-weight:700}
.metal-tool .open-beam-t-page .i-beam-self select{width:100%;padding:5px 7px;border:1px solid #cbd9dd;border-radius:5px;background:#fff;color:var(--ink);font-size:.78rem}
.metal-tool .open-beam-t-page .tube-beam-primary{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:700px){.metal-tool .open-beam-t-page .tube-beam-primary{grid-template-columns:minmax(0,1fr)}}