/* MarathonX truss builder ("בנו מסבך בעצמכם"). Everything is scoped to .mxb / .mxb-tabs. Site tokens from mx.css. */
.mxb-tabs { display: flex; gap: 4px; max-width: 760px; margin: 0 auto 18px; padding: 4px; border-radius: 10px; background: var(--mx-tone, #ECEFF3); }
.mxb-tabs [role="tab"] { flex: 1; min-height: 44px; padding: 8px 14px; border: 0; border-radius: 7px; background: transparent; color: var(--mx-ink-2, #3D4955); font: 700 1rem var(--mx-font, Heebo, Arial, sans-serif); cursor: pointer; transition: background var(--mx-t-ui, 220ms) var(--mx-ease-out, ease), color var(--mx-t-ui, 220ms); }
.mxb-tabs [role="tab"][aria-selected="true"] { background: var(--mx-surface, #fff); color: var(--mx-ink, #10181F); box-shadow: 0 1px 2px rgba(16, 24, 31, .08), 0 0 0 1px var(--mx-line, #D5DCE3); }
.mxb-tabs [role="tab"]:focus-visible { outline: 3px solid var(--mx-focus, #0B6BCB); outline-offset: 2px; }
.mxb-new { display: inline-block; margin-inline-start: 6px; padding: 1px 7px; border-radius: 999px; background: var(--mx-brand, #F5A000); color: var(--mx-on-brand, #170F00); font-size: .75rem; font-weight: 800; vertical-align: 1px; }

.mxb { --b-ink: var(--mx-ink, #10181F); --b-ink2: var(--mx-ink-2, #3D4955); --b-ink3: var(--mx-ink-3, #5F6B77); --b-line: var(--mx-line, #D5DCE3); --b-blue: var(--mx-blue, #0D2742);
	--b-brand: var(--mx-brand, #F5A000); --b-t: #0B6E99; --b-c: #B4364F; --b-0: #7C8B98; --b-load: #B86E00; --b-eq: #6B3F00; --b-def: #6A4BB0; --b-react: #1E7A4C;
	font-family: var(--mx-font, Heebo, Arial, sans-serif); color: var(--b-ink); max-width: var(--mx-max, 1320px); margin: 0 auto; }
.mxb *, .mxb *::before, .mxb *::after { box-sizing: border-box; }
.mxb[hidden] { display: none !important; }
.mxb [hidden] { display: none !important; }
.mxb-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 16px 32px; margin-bottom: 18px; }
.mxb-intro { max-width: 640px; }
.mxb-kicker { margin: 0 0 4px; color: var(--mx-brand-strong, #DB8B00); font-size: .875rem; font-weight: 800; letter-spacing: .02em; }
.mxb-title { margin: 0 0 6px; font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem); font-weight: 900; line-height: 1.15; }
.mxb-lead { margin: 0; color: var(--b-ink2); font-size: 1.0625rem; line-height: 1.6; }
.mxb-start { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.mxb-start-k { color: var(--b-ink3); font-size: .9375rem; font-weight: 700; }
.mxb-chip { min-height: 40px; padding: 6px 14px; border: 1.5px solid var(--b-line); border-radius: 999px; background: var(--mx-surface, #fff); color: var(--b-ink); font: 700 .9375rem var(--mx-font, Heebo, Arial, sans-serif); cursor: pointer; transition: border-color var(--mx-t-hover, 180ms), background var(--mx-t-hover, 180ms), transform var(--mx-t-press, 140ms) var(--mx-ease-out, ease); }
.mxb-chip:hover { border-color: var(--b-ink); }
.mxb-chip:active { transform: scale(.97); }
.mxb-chip.is-on { border-color: var(--b-blue); background: var(--b-blue); color: #fff; }

.mxb-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start; }
.mxb-stage { min-width: 0; padding: 14px; border-radius: var(--mx-radius-lg, 8px); background: var(--mx-surface, #fff); box-shadow: 0 0 0 1px var(--mx-tone, #ECEFF3); }
.mxb-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.mxb-seg { display: inline-flex; padding: 3px; border-radius: 9px; background: var(--mx-tone, #ECEFF3); }
.mxb-seg button { min-height: 38px; padding: 6px 14px; border: 0; border-radius: 7px; background: transparent; color: var(--b-ink2); font: 700 .9375rem var(--mx-font, Heebo, Arial, sans-serif); cursor: pointer; transition: background var(--mx-t-ui, 220ms), color var(--mx-t-ui, 220ms); }
.mxb-seg button[aria-checked="true"] { background: var(--b-blue); color: #fff; }
.mxb-zoom { display: inline-flex; gap: 6px; }
.mxb-ib { min-width: 38px; min-height: 38px; padding: 0 10px; border: 1.5px solid var(--b-line); border-radius: 7px; background: #fff; color: var(--b-ink); font: 800 1.05rem var(--mx-font, Heebo, Arial, sans-serif); cursor: pointer; }
.mxb-ib-wide { font-size: .875rem; font-weight: 700; }
.mxb-ib:hover { border-color: var(--b-ink); }

.mxb-canvas { position: relative; border-radius: 6px; overflow: hidden; background: #FBFCFD; box-shadow: inset 0 0 0 1px var(--b-line); }
.mxb-svg { display: block; width: 100%; height: auto; aspect-ratio: 900 / 560; touch-action: none; user-select: none; -webkit-user-select: none; cursor: grab; }
.mxb-svg[data-mode="node"] { cursor: crosshair; }
.mxb-svg[data-mode="member"] { cursor: cell; }
.mxb-svg text { font-family: 'IBM Plex Mono', ui-monospace, monospace; pointer-events: none; }
.mxb-gl { stroke: #E8EEF3; stroke-width: 1; }
.mxb-axis { stroke: #B7C7D4; stroke-width: 1.2; }
.mxb-gt { fill: #8597A6; font-size: calc(10px * var(--fs, 1)); }
.mxb-empty { fill: var(--b-ink3); font-family: var(--mx-font, Heebo, Arial, sans-serif) !important; font-size: 17px; direction: rtl; }

.mxb-m { stroke: var(--b-0); stroke-width: calc(5.5px * min(var(--fs, 1), 1.8)); stroke-linecap: round; transition: stroke 300ms; }
.mxb-m.is-t { stroke: var(--b-t); }
.mxb-m.is-c { stroke: var(--b-c); }
.mxb-m.is-solved { animation: mxb-tint 650ms var(--mx-ease-out, ease) both; animation-delay: calc(var(--i, 0) * 28ms); }
@keyframes mxb-tint { from { stroke: var(--b-0); } }
.mxb-m.is-sel { stroke-width: 8; filter: drop-shadow(0 0 4px rgba(245, 160, 0, .9)); }
.mxb-m.is-hi { stroke-width: 9; }
.mxb-m.is-new { stroke-dasharray: 1; stroke-dashoffset: 1; animation: mxb-drawm 380ms var(--mx-ease-out, ease) forwards; }
@keyframes mxb-drawm { to { stroke-dashoffset: 0; } }
.mxb-mhit { stroke: transparent; stroke-width: 20; cursor: pointer; }
.mxb-mhit:focus { outline: none; stroke: rgba(11, 107, 203, .25); }
.mxb-band { stroke: var(--b-brand); stroke-width: 3; stroke-dasharray: 7 6; stroke-linecap: round; pointer-events: none; animation: mxb-march 600ms linear infinite; }
@keyframes mxb-march { to { stroke-dashoffset: -13; } }
.mxb-ft { font-size: calc(12px * var(--fs, 1)); font-weight: 600; paint-order: stroke; stroke: #FBFCFD; stroke-width: 4px; fill: var(--b-0); }
.mxb-ft.is-t { fill: var(--b-t); } .mxb-ft.is-c { fill: var(--b-c); }
.mxb-svg.is-tint .mxb-ft { animation: mxb-fade 400ms var(--mx-ease-out, ease) both; animation-delay: calc(120ms + var(--i, 0) * 28ms); }
@keyframes mxb-fade { from { opacity: 0; } }

.mxb-n { fill: #fff; stroke: var(--b-blue); stroke-width: calc(3px * min(var(--fs, 1), 1.6)); cursor: grab; transition: r 160ms var(--mx-ease-out, ease), fill 160ms; }

.mxb-n.is-sel { fill: var(--b-brand); }
.mxb-n.is-pending { fill: var(--b-brand); animation: mxb-pulse 1.1s ease-in-out infinite; }
@keyframes mxb-pulse { 50% { stroke-width: 6; } }
.mxb-n:focus { outline: none; stroke: var(--mx-focus, #0B6BCB); stroke-width: 4; }
.mxb-nt { fill: var(--b-blue); font-size: calc(12px * var(--fs, 1)); font-weight: 600; paint-order: stroke; stroke: #FBFCFD; stroke-width: 4px; }
.mxb-sup-body { fill: #DCE6EE; stroke: var(--b-blue); stroke-width: 1.6; stroke-linejoin: round; }
.mxb-sup-wheel { fill: #fff; stroke: var(--b-blue); stroke-width: 1.6; }
.mxb-ground { stroke: var(--b-blue); stroke-width: 2; }
.mxb-hatch { stroke: #7F93A3; stroke-width: 1.2; }

.mxb-deck { stroke: var(--b-load); stroke-width: 3; stroke-linecap: round; }
.mxb-deck-post { stroke: var(--b-load); stroke-width: 1; stroke-dasharray: 3 3; opacity: .6; }
.mxb-la { stroke: var(--b-load); stroke-width: 2; }
.mxb-la-h { fill: var(--b-load); }
.mxb-lline { fill: none; stroke: var(--b-load); stroke-width: 1.5; }
.mxb-lt { fill: var(--b-load); font-size: calc(12px * var(--fs, 1)); font-weight: 600; paint-order: stroke; stroke: #FBFCFD; stroke-width: 4px; }
.mxb-ea { stroke: var(--b-eq); stroke-width: 3; }
.mxb-ea-h { fill: var(--b-eq); }
.mxb-et { fill: var(--b-eq); font-size: calc(11.5px * var(--fs, 1)); font-weight: 600; paint-order: stroke; stroke: #FBFCFD; stroke-width: 4px; }
.mxb-ra { stroke: var(--b-react); stroke-width: 2.5; }
.mxb-ra-h { fill: var(--b-react); }
.mxb-rxt { fill: var(--b-react); font-size: calc(11.5px * var(--fs, 1)); font-weight: 600; paint-order: stroke; stroke: #FBFCFD; stroke-width: 4px; }
.mxb-svg.is-tint .mxb-react { animation: mxb-fade 450ms var(--mx-ease-out, ease) 250ms both; }
.mxb-defl { stroke: var(--b-def); stroke-width: 2.2; stroke-dasharray: 7 5; stroke-linecap: round; }
.mxb-defn { fill: var(--b-def); }
.mxb-cap-bg { fill: rgba(106, 75, 176, .1); stroke: rgba(106, 75, 176, .35); }
.mxb-cap-t { fill: var(--b-def); font-size: calc(12px * var(--fs, 1)); font-weight: 600; font-family: var(--mx-font, Heebo, Arial, sans-serif) !important; direction: rtl; }
.mxb-span { fill: rgba(245, 160, 0, .18); stroke: var(--b-load); stroke-width: 1.2; animation: mxb-fade 380ms var(--mx-ease-out, ease) both; animation-delay: calc(var(--i, 0) * 90ms); }
.is-path .mxb-members, .is-path .mxb-nodes { opacity: .55; transition: opacity 300ms; }
.mxb-deckl, .mxb-eq, .mxb-nload { transition: opacity 320ms var(--mx-ease-out, ease); }
.mxb-deckl.is-dim, .mxb-eq.is-dim, .mxb-nload.is-dim { opacity: .14; }

.mxb-tip { position: absolute; z-index: 2; max-width: 230px; padding: 8px 10px; border-radius: 6px; background: var(--b-blue); color: #EAF1F8; font-size: .8125rem; line-height: 1.45; pointer-events: none; box-shadow: 0 6px 18px rgba(13, 39, 66, .25); animation: mxb-tipin 160ms var(--mx-ease-out, ease); }
.mxb-tip b { display: block; color: #fff; font-size: .875rem; }
.mxb-tip span { display: block; }
.mxb-tip .is-t { color: #8FD3F0; } .mxb-tip .is-c { color: #F5A3B3; }
@keyframes mxb-tipin { from { opacity: 0; transform: translateY(4px); } }
.mxb-hint { position: absolute; inset-inline-start: 10px; bottom: 8px; margin: 0; padding: 3px 9px; border-radius: 5px; background: rgba(255, 255, 255, .9); color: var(--b-ink3); font-size: .8125rem; pointer-events: none; }

.mxb-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 12px; }
.mxb-sp { flex: 1; }
.mxb-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 8px 16px; border: 1.5px solid var(--b-line); border-radius: 7px; background: #fff; color: var(--b-ink); font: 700 .9375rem var(--mx-font, Heebo, Arial, sans-serif); cursor: pointer; transition: border-color var(--mx-t-hover, 180ms), background var(--mx-t-hover, 180ms), transform var(--mx-t-press, 140ms) var(--mx-ease-out, ease); }
.mxb-btn:hover:not(:disabled) { border-color: var(--b-ink); }
.mxb-btn:active:not(:disabled) { transform: scale(.97); }
.mxb-btn:disabled { opacity: .45; cursor: default; }
.mxb-btn-primary { border-color: var(--b-brand); background: var(--b-brand); color: var(--mx-on-brand, #170F00); font-weight: 800; }
.mxb-btn-primary:hover:not(:disabled) { border-color: var(--mx-brand-strong, #DB8B00); background: var(--mx-brand-strong, #DB8B00); }
.mxb-btn-ghost { border-color: transparent; background: transparent; }
.mxb-btn:focus-visible, .mxb-chip:focus-visible, .mxb-ib:focus-visible, .mxb-seg button:focus-visible, .mxb-link:focus-visible, .mxb-li:focus-visible, .mxb input:focus-visible, .mxb select:focus-visible, .mxb summary:focus-visible, .mxb-scroll:focus-visible, .mxb tr:focus-visible { outline: 3px solid var(--mx-focus, #0B6BCB); outline-offset: 2px; }
.mxb-check { display: inline-flex; align-items: center; gap: 7px; font-size: .9375rem; font-weight: 600; cursor: pointer; }
.mxb-check input { width: 18px; height: 18px; accent-color: var(--b-blue); }
.mxb-scale { display: inline-flex; align-items: center; gap: 6px; font-size: .9375rem; font-weight: 600; }
.mxb-scale input { width: 92px; }
.mxb-status { min-height: 1.5em; margin: 12px 0 8px; padding: 9px 12px; border-radius: 6px; background: #EEF3F7; color: var(--b-ink2); font-size: .9375rem; line-height: 1.55; }
.mxb-status.is-bad { background: #FDF0ED; color: #8E2A17; }
.mxb-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0; padding: 0; list-style: none; color: var(--b-ink2); font-size: .8125rem; }
.mxb-legend li { display: inline-flex; align-items: center; gap: 6px; }
.mxb-legend i { display: inline-block; width: 18px; height: 4px; border-radius: 2px; }
.mxb-k-t { background: var(--b-t); } .mxb-k-c { background: var(--b-c); } .mxb-k-0 { background: var(--b-0); }
.mxb-k-r { background: var(--b-react); }
.mxb-k-load { height: 0 !important; border-top: 3px solid var(--b-load); } .mxb-k-eq { background: var(--b-eq); height: 5px !important; }

.mxb-pathbox { margin-top: 12px; padding: 12px 14px; border-radius: 8px; background: var(--mx-brand-soft, #FFF1D6); animation: mxb-tipin 220ms var(--mx-ease-out, ease); }
.mxb-path-steps { display: flex; gap: 6px; margin-bottom: 8px; }
.mxb-path-steps button { width: 32px; height: 32px; border: 1.5px solid #E2B45C; border-radius: 50%; background: #fff; color: #6B4500; font-weight: 800; cursor: pointer; }
.mxb-path-steps button[aria-selected="true"] { background: var(--b-brand); border-color: var(--b-brand); color: var(--mx-on-brand, #170F00); }
.mxb-path-text { margin: 0 0 8px; color: #4A3000; line-height: 1.6; }
.mxb-path-nav { display: flex; gap: 8px; }

.mxb-panel { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.mxb-box { border-radius: var(--mx-radius-lg, 8px); background: var(--mx-surface, #fff); box-shadow: 0 0 0 1px var(--mx-tone, #ECEFF3); }
.mxb-box > summary { padding: 12px 14px; font-weight: 800; cursor: pointer; list-style: none; }
.mxb-box > summary::-webkit-details-marker { display: none; }
.mxb-box > summary::after { content: '+'; float: left; color: var(--b-ink3); font-weight: 700; }
.mxb-box[open] > summary::after { content: '−'; }
.mxb-box > :not(summary) { margin-inline: 14px; }
.mxb-box > :last-child { margin-bottom: 14px; }
.mxb-f { display: block; margin: 0 0 10px; color: var(--b-ink2); font-size: .875rem; font-weight: 700; }
.mxb-f input, .mxb-f select { display: block; width: 100%; margin-top: 4px; padding: 9px 10px; border: 1.5px solid var(--b-line); border-radius: 5px; background: #fff; color: var(--b-ink); font: 500 .9375rem var(--mx-font, Heebo, Arial, sans-serif); }
.mxb input[type="number"], .mxb input[dir="ltr"] { font-family: 'IBM Plex Mono', ui-monospace, monospace; text-align: left; }
.mxb-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mxb-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.mxb-muted { margin: 0 0 10px; color: var(--b-ink3); font-size: .8125rem; line-height: 1.55; }
.mxb-link { padding: 2px 0; border: 0; background: none; color: var(--mx-focus, #0B6BCB); font: 700 .875rem var(--mx-font, Heebo, Arial, sans-serif); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.mxb-danger { color: #A32A16; }
.mxb-sub { margin: 12px 0 6px; font-size: .875rem; }
.mxb-sel-t { margin: 0 0 8px; font-size: 1rem; }
.mxb-list { max-height: 210px; margin: 0 0 10px; padding: 0; overflow: auto; list-style: none; border-radius: 5px; box-shadow: inset 0 0 0 1px var(--mx-tone, #ECEFF3); }
.mxb-li { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; width: 100%; padding: 7px 10px; border: 0; border-bottom: 1px solid var(--mx-tone, #ECEFF3); background: #fff; color: var(--b-ink); font: 500 .875rem var(--mx-font, Heebo, Arial, sans-serif); text-align: start; cursor: pointer; }
.mxb-li span { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: .8125rem; color: var(--b-ink2); text-align: left; }
.mxb-li em { color: var(--b-ink3); font-style: normal; font-size: .8125rem; }
.mxb-li:hover { background: #F5F8FA; }
.mxb-li.is-sel { background: var(--mx-brand-soft, #FFF1D6); }
.mxb-load { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; padding: 8px 10px; border-bottom: 1px solid var(--mx-tone, #ECEFF3); font-size: .875rem; }
.mxb-load span { flex: 1 1 100%; }
.mxb-load.is-edit { background: var(--mx-brand-soft, #FFF1D6); }
.mxb-list > .mxb-muted { padding: 8px 10px; margin: 0; }
.mxb-file { position: relative; overflow: hidden; }
.mxb-file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.mxb-results { margin-top: 18px; animation: mxb-tipin 300ms var(--mx-ease-out, ease); }
.mxb-rh { margin: 0 0 10px; font-size: 1.25rem; font-weight: 900; }
.mxb-rgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.mxb-rt { min-width: 0; padding: 12px; border-radius: var(--mx-radius-lg, 8px); background: #fff; box-shadow: 0 0 0 1px var(--mx-tone, #ECEFF3); }
.mxb-rt h4 { margin: 0 0 8px; font-size: .9375rem; }
.mxb-scroll { max-height: 320px; overflow: auto; }
.mxb-rt table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.mxb-rt th { position: sticky; top: 0; z-index: 1; padding: 7px 8px; background: #F2F5F8; color: var(--b-ink2); font-weight: 700; text-align: start; white-space: nowrap; }
.mxb-rt td { padding: 6px 8px; border-bottom: 1px solid var(--mx-tone, #ECEFF3); font-family: 'IBM Plex Mono', ui-monospace, monospace; white-space: nowrap; }
.mxb-rt td:first-child { font-family: inherit; font-weight: 700; }
.mxb-rt td[dir="ltr"] { text-align: left; }
.mxb-rt tr.is-hi td { background: var(--mx-brand-soft, #FFF1D6); }
.mxb-rt tbody tr { cursor: default; }
.mxb-rt td.is-t { color: var(--b-t); font-weight: 600; } .mxb-rt td.is-c { color: var(--b-c); font-weight: 600; }
.mxb-results > .mxb-muted { margin-top: 10px; }
.mxb-note { margin-top: 16px; padding: 12px 14px; border-radius: var(--mx-radius-lg, 8px); background: #fff; box-shadow: 0 0 0 1px var(--mx-tone, #ECEFF3); color: var(--b-ink2); font-size: .9375rem; line-height: 1.65; }
.mxb-note summary { font-weight: 800; color: var(--b-ink); cursor: pointer; }

.mxb { container-type: inline-size; container-name: mxb; }
@container mxb (max-width: 1040px) { .mxb-grid { grid-template-columns: 1fr; } .mxb-panel { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); align-items: start; } }
@media (max-width: 640px) {
	.mxb-stage { padding: 8px; }
	.mxb-bar { gap: 8px; }
	.mxb-seg { width: 100%; } .mxb-seg button { flex: 1; padding: 6px 8px; font-size: .875rem; }
	.mxb-zoom { width: 100%; justify-content: flex-end; }
	.mxb-hint { position: static; display: block; margin: 0; border-radius: 0; background: #F3F6F8; }
	.mxb-actions .mxb-btn-primary { flex: 1 1 100%; }
	.mxb-panel { display: flex; }
	.mxb-tabs [role="tab"] { font-size: .9375rem; padding: 8px; }
}
@media (prefers-reduced-motion: reduce) {
	.mxb *, .mxb-tabs * { animation: none !important; transition: none !important; }
}

.mxb-eq { animation: mxb-fade 380ms var(--mx-ease-out, ease) both; }

/* 19.10.2026: "+ סמך" tool — support picker with the same glyphs as the canvas */
.mxb-svg[data-mode="support"] { cursor: copy; }
.mxb-svg[data-mode="support"] .mxb-n { cursor: copy; }
.mxb-suppick { display: flex; flex-wrap: wrap; gap: 6px; flex-basis: 100%; padding: 6px; border-radius: 9px; background: var(--mx-tone, #ECEFF3); animation: mxb-fade 220ms var(--mx-ease-out, ease) both; }
.mxb-suppick[hidden] { display: none; }
.mxb-suppick button { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 4px 12px 4px 8px; border: 0; border-radius: 7px; background: transparent; color: var(--b-ink2); font: 700 .875rem var(--mx-font, Heebo, Arial, sans-serif); cursor: pointer; transition: background var(--mx-t-hover, 180ms), box-shadow var(--mx-t-hover, 180ms); }
.mxb-suppick button svg { width: 30px; height: 32px; flex: none; overflow: visible; }
.mxb-suppick button svg .mxb-n { stroke-width: 2.4px; cursor: inherit; }
.mxb-suppick button:hover { background: rgba(255, 255, 255, .7); }
.mxb-suppick button[aria-checked="true"] { background: #fff; color: var(--b-ink, #10181F); box-shadow: inset 0 0 0 1.5px var(--b-blue); }
.mxb-suppick button:focus-visible { outline: 3px solid var(--mx-focus, #0B6BCB); outline-offset: 2px; }
.mxb-sup-x { stroke: #B42318; stroke-width: 2.4; stroke-linecap: round; fill: none; }
.mxb-n.is-pop { animation: mxb-pop 420ms cubic-bezier(.3, 1.5, .5, 1) both; transform-box: fill-box; transform-origin: center; }
@keyframes mxb-pop { 0% { transform: scale(.6); } 100% { transform: none; } }
/* phone: one short row that scrolls sideways, so opening the picker barely moves the canvas */
@media (max-width: 640px) { .mxb-suppick { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; scroll-snap-type: x proximity; } .mxb-suppick::-webkit-scrollbar { display: none; } .mxb-suppick button { flex: none; scroll-snap-align: start; padding: 4px 10px 4px 6px; } .mxb-suppick button svg { width: 26px; height: 28px; } }
.mxb-svg.has-result .mxb-deckl { opacity: .6; }
.mxb-nhit { fill: transparent; cursor: grab; }

/* 20.10.2026: live forces, blueprint sheet, draggable load (owner: visuals) */
.mxb-canvas { background: #F7FAFD; box-shadow: inset 0 0 0 1px var(--b-line), 0 30px 60px -44px rgba(13, 39, 66, .45); }
.mxb-canvas::before, .mxb-canvas::after { content: ""; position: absolute; width: 18px; height: 18px; border: 0 solid var(--b-blue, #0D2742); pointer-events: none; z-index: 1; }
.mxb-canvas::before { top: 8px; right: 8px; border-top-width: 2px; border-right-width: 2px; }
.mxb-canvas::after { bottom: 8px; left: 8px; border-bottom-width: 2px; border-left-width: 2px; }
.mxb-svg.has-result .mxb-m { stroke-width: var(--fw, 5px); transition: stroke 260ms ease, stroke-width 260ms ease; }
.mxb-n { transform-box: fill-box; transform-origin: center; transition: transform 160ms var(--mx-ease-out, ease), fill 160ms; }
@media (hover: hover) and (pointer: fine) { .mxb-n:hover { transform: scale(1.35); } }
.mxb-lgrip { fill: #F5A000; stroke: #fff; stroke-width: 3; cursor: grab; filter: drop-shadow(0 2px 4px rgba(13, 39, 66, .35)); }
.mxb-svg:not([data-mode="select"]) .mxb-lgrip { pointer-events: none; opacity: .5; }
@media (prefers-reduced-motion: no-preference) { .mxb-lgrip { animation: mxb-grip 2.4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; } }
@keyframes mxb-grip { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.18); } }

/* force flow (20.10.2026): dashes run outward in tension (the member is pulled) and inward in compression (pushed) */
.mxb-flows { pointer-events: none; }
.mxb-flow { stroke: #fff; stroke-linecap: round; stroke-width: calc(1px + 2.2px * var(--k, .5)); stroke-dasharray: 2 12; opacity: calc(.35 + .55 * var(--k, .5)); }
@media (prefers-reduced-motion: no-preference) {
	.mxb-flow.is-t { animation: mxb-flow 1.1s linear infinite; }
	.mxb-flow.is-c { animation: mxb-flow 1.1s linear infinite reverse; }
}
@keyframes mxb-flow { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -28; } }

/* 19.10.2026 night: support direction (side buttons, angle) */
.mxb-suppick-sep { width: 1px; align-self: stretch; margin: 4px 2px; background: var(--mx-line, #D5DCE3); flex: none; }
.mxb-suppick-k { align-self: center; font-weight: 800; font-size: .8125rem; color: var(--b-ink2); white-space: nowrap; }
.mxb-suppick-sides { display: inline-flex; gap: 4px; }
.mxb-suppick-sides button { padding: 4px 10px 4px 8px; }
.mxb-suppick-sides svg, .mxb-dir-btns svg { width: 16px !important; height: 16px !important; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.mxb-dir { display: grid; gap: 8px; margin: 8px 0 4px; }
.mxb-dir[hidden] { display: none; }
.mxb-dir-k { font-weight: 800; font-size: .875rem; }
.mxb-dir-btns { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; }
.mxb-dir-btns button { display: inline-flex; align-items: center; justify-content: center; gap: 4px; min-height: 40px; padding: 4px; border: 1.5px solid var(--mx-line, #D5DCE3); border-radius: 6px; background: #fff; font: 700 .8125rem var(--mx-font, Heebo, Arial, sans-serif); color: var(--b-ink2); cursor: pointer; transition: border-color 160ms, background-color 160ms; }
.mxb-dir-btns button:hover { border-color: var(--b-blue); }
.mxb-dir-btns button[aria-pressed="true"] { border-color: var(--b-blue); background: #EAF1F8; color: var(--b-ink, #10181F); }
.mxb-dir-btns button:focus-visible { outline: 3px solid var(--mx-focus, #0B6BCB); outline-offset: 2px; }
.mxb-ra.is-lift { stroke: #B42318 !important; }

/* 20.10.2026: length and angle of the selected member, editable right on the drawing */
.mxb-dims { position: absolute; z-index: 4; display: flex; direction: ltr; gap: 6px; padding: 4px; border-radius: 10px; background: rgba(255, 255, 255, .94); box-shadow: 0 0 0 1px var(--mx-line, #D5DCE3), 0 8px 20px -10px rgba(16, 24, 31, .35); animation: mxb-fade 180ms var(--mx-ease-out, ease) both; }
.mxb-dim { display: inline-flex; align-items: baseline; gap: 4px; min-height: 36px; padding: 6px 10px; border: 0; border-radius: 7px; background: #EAF1F8; color: var(--b-ink, #10181F); font: 700 .875rem var(--mx-font, Heebo, Arial, sans-serif); cursor: text; transition: background-color 160ms, box-shadow 160ms; }
.mxb-dim span { color: var(--b-ink2); font-weight: 600; direction: ltr; }
.mxb-dim b { font-variant-numeric: tabular-nums; font-weight: 800; }
.mxb-dim small { color: var(--b-ink2); font-weight: 600; }
.mxb-dim:hover { background: #fff; box-shadow: inset 0 0 0 1.5px var(--b-blue); }
.mxb-dim:focus-visible { outline: 3px solid var(--mx-focus, #0B6BCB); outline-offset: 2px; }
.mxb-dim-in { width: 92px; min-height: 36px; padding: 4px 8px; border: 1.5px solid var(--b-blue); border-radius: 7px; font: 800 .9375rem var(--mx-font, Heebo, Arial, sans-serif); font-variant-numeric: tabular-nums; text-align: left; }
.mxb-dim-in:focus { outline: 3px solid var(--mx-focus, #0B6BCB); outline-offset: 1px; }
@media (max-width: 640px) { .mxb-dim { min-height: 40px; } }