@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/montserrat-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/montserrat-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 600; font-display: swap; src: url("fonts/montserrat-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 700; font-display: swap; src: url("fonts/montserrat-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Geist Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/geist-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Geist Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/geist-mono-latin-500-normal.woff2") format("woff2"); }

/* Layout: mesa de trabajo a pantalla completa — barra superior, cama de impresión (2D/3D) | inspector de propiedades, y barra de estado abajo. Portada con zona de arrastre y contenido. */
/* Marca NODARA: turquesa #14D1C3, rosa coral #FF568A, azul noche #0B1F2A, gris claro #E8EEF3, blanco */
:root {
  --ui: #F5F8FA;
  --panel: #FFFFFF;
  --ink: #0B1F2A;
  --muted: #4E6370;
  --faint: #7A8D99;
  --line: #DDE6EC;
  --mist: #E8EEF3;
  --turq: #14D1C3;
  --coral: #FF568A;
  --night: #0B1F2A;
  --primary: #14D1C3;
  --primary-ink: #0B1F2A;
  --primary-soft: #E2F9F7;
  --cut-text: #D2346C;
  --mat: #0B1F2A;
  --mat-grid: #143445;
  --mat-grid-major: #1F4B60;
  --ruler: #06141C;
  --ruler-tick: #14D1C3;
  --board: #FFFFFF;
  --board-ink: #0B1F2A;
  --board-muted: #51656F;
  --cut: #FF568A;
  --fold: #0EA89C;
  --ref: #0B1F2A;
  --grid: #143445;
  --grid-major: #1F4B60;
  --iso-front: #F2F6F8;
  --iso-edge: #51656F;
  --glow-a: rgb(20 209 195 / 0.20);
  --glow-b: rgb(255 86 138 / 0.16);
  --warn: #9c4700;
  --warn-bg: #fff0e1;
  --relief: #14D1C3;
  --relief-2d: #14D1C3;
  --plate: #E3EBF0;
  --bed-line: #1F4B60;
  --ok: #0B8F86;
  --f-ui: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --r: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ui: #0B1F2A; --panel: #102A38; --ink: #F2F6F8; --muted: #A3B6C2; --faint: #7D96A5; --line: #1E3D4E;
    --primary: #14D1C3; --primary-ink: #0B1F2A; --primary-soft: #12343F; --cut-text: #FF7DA6;
    --mat: #06151D; --mat-grid: #0F2C3A; --mat-grid-major: #1A4456; --ruler: #030D13; --ruler-tick: #14D1C3;
    --board: #F2F6F8; --grid: #0F2C3A; --grid-major: #1A4456; --iso-front: #E3EBF0; --iso-edge: #3E5562;
    --glow-a: rgb(20 209 195 / 0.16); --glow-b: rgb(255 86 138 / 0.14);
    --warn: #ffb36b; --warn-bg: #2b1f12; --ok: #3EE3D6; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ui: #0B1F2A; --panel: #102A38; --ink: #F2F6F8; --muted: #A3B6C2; --faint: #7D96A5; --line: #1E3D4E;
    --primary: #14D1C3; --primary-ink: #0B1F2A; --primary-soft: #12343F; --cut-text: #FF7DA6;
    --mat: #06151D; --mat-grid: #0F2C3A; --mat-grid-major: #1A4456; --ruler: #030D13; --ruler-tick: #14D1C3;
    --board: #F2F6F8; --grid: #0F2C3A; --grid-major: #1A4456; --iso-front: #E3EBF0; --iso-edge: #3E5562;
    --glow-a: rgb(20 209 195 / 0.16); --glow-b: rgb(255 86 138 / 0.14);
    --warn: #ffb36b; --warn-bg: #2b1f12; --ok: #3EE3D6; color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { background: var(--ui); color: var(--ink); font-family: var(--f-ui); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--cut); outline-offset: 2px; }

.app { height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: 10px; padding-block: 10px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

/* Barra superior */
.top { display: flex; align-items: center; gap: 18px; min-width: 0; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; flex: none; }
.nd-symbol { display: block; flex: none; }
.brand .nd-symbol { width: 32px; height: 32px; }
.brand .nd-word { height: 13px; width: auto; display: block; }
.brand .prod { font-weight: 600; font-size: 15px; letter-spacing: 0.02em; padding-left: 10px; border-left: 1px solid var(--line); }
.doc { min-width: 0; display: grid; border-left: 1px solid var(--line); padding-left: 18px; }
.doc b { font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc span { color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; flex: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 38px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); font-weight: 600; font-size: 13.5px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { background: linear-gradient(90deg, var(--turq), var(--coral)); border-color: transparent; }
.btn.icon { width: 38px; padding: 0; }
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Cuerpo */
.body { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 10px; min-height: 0; }







.stage { position: relative; background: var(--mat); border-radius: var(--r); overflow: hidden; min-height: 0; }












#view3d { position: absolute; inset: 0; }
#view3d canvas { display: block; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
#view3d canvas:active { cursor: grabbing; }
.chip-row { position: absolute; left: 12px; right: 12px; display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; pointer-events: none; }
.chip-row.t { top: 12px; } .chip-row.b { bottom: 12px; }
.tag { pointer-events: auto; display: inline-flex; align-items: center; gap: 8px; padding: 6px 11px; border-radius: 999px; background: rgb(3 13 19 / 0.6); color: #f1f5f2; font-size: 12.5px; backdrop-filter: blur(6px); }
.tag strong { font-family: var(--f-mono); font-weight: 500; }
.tag.hint { background: linear-gradient(90deg, var(--turq), var(--coral)); color: var(--night); font-weight: 600; }
.tag svg { width: 26px; height: 6px; }

/* Inspector */
.inspector { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); overflow-y: auto; min-height: 0; }
form { display: grid; }
.sec { padding: 16px 18px; border-bottom: 1px solid var(--line); display: grid; gap: 12px; min-width: 0; }
.sec:last-child { border-bottom: 0; }
.sec h3 { margin: 0; font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 5px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--ui); font-size: 12.5px; cursor: pointer; }
.chip:hover { border-color: var(--ink); }
.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--ui); border-radius: 10px; padding: 3px; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { text-align: center; padding: 6px; font-size: 13px; cursor: pointer; color: var(--muted); border-radius: 8px; }
.seg input:checked + label { background: var(--panel); color: var(--ink); font-weight: 600; box-shadow: 0 1px 3px rgb(0 0 0 / 0.12); }
.dims { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; min-width: 0; }
.frow { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.frow label { font-size: 13px; font-weight: 500; }
.frow label b { font: 400 11px var(--f-mono); color: var(--faint); margin-left: 6px; }
.num { position: relative; width: 112px; flex: none; }
.num input { width: 100%; font: 500 14px/1 var(--f-mono); font-variant-numeric: tabular-nums; padding: 8px 34px 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--ui); text-align: right; }
.num span { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font: 11px var(--f-mono); color: var(--faint); pointer-events: none; }
input[type="range"] { width: 100%; accent-color: var(--cut); margin: 0; height: 18px; }
select { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--ui); font-size: 13.5px; }
.hint { font-size: 12.5px; color: var(--muted); margin: 0; }
.err { font-size: 13px; color: var(--warn); background: var(--warn-bg); border-radius: 10px; padding: 10px 12px; margin: 12px 18px 0; }
.checks { display: grid; gap: 8px; font-size: 13.5px; }
.checks label { display: flex; gap: 10px; align-items: center; cursor: pointer; }
.checks input { accent-color: var(--primary); width: 16px; height: 16px; }
details.more > summary { list-style: none; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 13.5px; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary small { display: block; font-weight: 400; color: var(--faint); font-size: 12px; }
details.more > summary .chev { width: 14px; height: 14px; transition: transform .15s; }
details.more[open] > summary .chev { transform: rotate(180deg); }
.more-body { display: grid; gap: 14px; padding-top: 12px; }
.sublbl { font-size: 13px; font-weight: 600; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pair .num { width: 100%; }
.pair label { font-size: 12.5px; color: var(--muted); }
details.calib summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--primary); }
.calib-body { display: grid; gap: 10px; margin-top: 10px; justify-items: start; }
.calib-body .pair { width: 100%; }


/* Barra de estado */
.status { display: flex; align-items: center; gap: 8px 22px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); padding: 2px 4px; }
dl#stats { display: flex; flex-wrap: wrap; gap: 4px 22px; margin: 0; }
dl#stats div { display: flex; gap: 7px; align-items: baseline; }
dl#stats dt { color: var(--muted); }
dl#stats dd { margin: 0; color: var(--ink); font-family: var(--f-mono); font-weight: 500; font-variant-numeric: tabular-nums; }
.fitchip { font-family: var(--f-ui); font-weight: 600; color: var(--primary); }
.fitchip.no { color: var(--warn); }
#status { margin-left: auto; color: var(--ink); font-weight: 500; }

/* Portada */
.home { min-height: 100%; background: radial-gradient(60vw 40vw at -10% -10%, var(--glow-a), transparent 60%), radial-gradient(55vw 38vw at 110% -8%, var(--glow-b), transparent 60%), var(--ui); padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.home-inner { max-width: 1180px; margin: 0 auto; padding-block: 20px 64px; display: grid; gap: 40px; }
.home-bar { display: flex; justify-content: space-between; align-items: center; }
.home-bar-r { display: flex; gap: 8px; }
.home-hero { display: grid; gap: 22px; justify-items: center; text-align: center; padding-block: clamp(32px, 9vh, 110px) clamp(8px, 3vh, 32px); }
.lockup { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 32px); max-width: 100%; }
.mark.big { width: clamp(56px, 10vw, 136px); height: clamp(56px, 10vw, 136px); flex: none; }
.wordmark { margin: 0; font-weight: 700; font-size: clamp(48px, 12.5vw, 176px); line-height: 0.9; letter-spacing: 0.08em; margin-right: -0.08em; }
.home-lede { margin: 0; max-width: 58ch; color: var(--muted); font-size: clamp(15px, 1.6vw, 18px); text-wrap: balance; }
.home-menu { display: grid; gap: 16px; }
.home-menu h2 { margin: 0; font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); text-align: center; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.card { box-shadow: 0 1px 0 var(--line); } .card { display: grid; gap: 8px; align-content: start; text-align: left; padding: 10px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); cursor: pointer; }
.card:hover { border-color: var(--turq); box-shadow: 0 10px 30px -18px rgb(20 209 195 / 0.6); }
.card .thumb { aspect-ratio: 4 / 3; max-width: 100%; border-radius: 9px; background: var(--mat); display: grid; place-items: center; padding: 10%; }
.card .thumb svg { width: 100%; height: 100%; }
.card b { font-weight: 600; font-size: 14.5px; padding: 0 2px; }
.card p { margin: -4px 0 0; padding: 0 2px; font-size: 12.5px; color: var(--muted); }



/* Cajón de montaje */








@media (max-width: 1100px) { .body { grid-template-columns: minmax(0, 1fr) 320px; } .doc span { display: none; } }
@media (max-width: 860px) {
  html, body { height: auto; }
  .app { height: auto; grid-template-rows: auto auto auto; }
  .body { grid-template-columns: 1fr; }
  
  
  
  .stage { height: 62vh; min-height: 340px; }
  .inspector { overflow: visible; }
  .doc { display: none; }
  .top { flex-wrap: wrap; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) { .hide-sm { display: none; } .btn { padding: 0 12px; } }
@media (prefers-reduced-motion: no-preference) { .btn, .chip, .card,  }

/* Marca NODARA en las páginas */
.org { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.org .nd-symbol { width: 34px; height: 34px; }
.org .nd-word { height: 14px; width: auto; display: block; }
.eyebrow { margin: 0; font-size: 12px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
.prodname { margin: 0; font-weight: 500; font-size: clamp(44px, 10.5vw, 148px); line-height: 0.95; letter-spacing: 0.16em; margin-right: -0.16em; color: var(--ink); text-decoration: none; }
.prodname.sm { font-size: clamp(26px, 4.4vw, 44px); letter-spacing: 0.2em; margin-right: -0.2em; }
.gbar { display: block; width: 72px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--turq), var(--coral)); }
.btn.pill { border-radius: 999px; }
.home-hero { padding-block: 0 clamp(8px, 3vh, 32px); }
.home-hero.model { padding-top: clamp(8px, 3vh, 28px); }
.tq-lockup { display: grid; justify-items: center; gap: clamp(18px, 3vw, 34px); }
.tq-logo { width: clamp(92px, 13vw, 168px); height: auto; color: var(--ink); display: block; }
.foot-brand { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.tagline { margin: 0; letter-spacing: 0.08em; color: var(--muted); }
@media (max-width: 520px) { .brand .nd-word { display: none; } }
.noscript { text-align: center; padding: 16px; }

/* Contenido de las páginas */
.home-h1 { margin: 0; font-size: clamp(26px, 3.6vw, 40px); line-height: 1.12; font-weight: 700; letter-spacing: -0.015em; max-width: 24ch; text-wrap: balance; }
.home-hero.model .home-h1 { font-size: clamp(32px, 5vw, 56px); }
.crumbs { font-size: 13px; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--cut-text); }
.cta { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.btn.big { height: 48px; padding: 0 24px; font-size: 15px; text-decoration: none; }
a.btn { text-decoration: none; }
.card { text-decoration: none; color: inherit; }
.card h3 { margin: 0; font-weight: 600; font-size: 14.5px; padding: 0 2px; }
.block { display: grid; gap: 16px; max-width: 860px; margin: 0 auto; width: 100%; }
.block > h2 { margin: 0; font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; letter-spacing: -0.01em; }
.block p, .block li { color: var(--muted); font-size: 15.5px; line-height: 1.65; }
.block p { margin: 0; max-width: 68ch; }
.block p strong, .block li strong { color: var(--ink); font-weight: 600; }
.block a { color: var(--ink); text-decoration-color: var(--turq); text-underline-offset: 3px; text-decoration-thickness: 2px; }
.block a:hover { color: var(--cut-text); }
.list { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; max-width: 68ch; }
.how { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; counter-reset: h; }
.how li { counter-increment: h; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; display: grid; gap: 6px; align-content: start; }
.how li::before { content: counter(h); width: 30px; height: 30px; border-radius: 9px; background: var(--mat); color: var(--ruler-tick); font: 500 13px var(--f-mono); display: grid; place-items: center; }
.how b { font-size: 15px; color: var(--ink); }
.how span { color: var(--muted); font-size: 14px; }
@media (max-width: 720px) { .how { grid-template-columns: 1fr; } }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }
td.mono { font-family: var(--f-mono); white-space: nowrap; }


.faq { display: grid; gap: 8px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--cut-text); font-weight: 500; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; }

.guides { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 720px) { .guides { grid-template-columns: 1fr; } }
.guide { display: grid; gap: 6px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); text-decoration: none; color: inherit; }
.guide:hover { border-color: var(--turq); }
.guide b { font-size: 15.5px; color: var(--ink); }
.guide span { font-size: 14px; color: var(--muted); }
.article-meta { font-size: 13px; color: var(--faint); }
.site-foot { border-top: 1px solid var(--line); padding-top: 28px; display: grid; gap: 14px; font-size: 13.5px; color: var(--muted); }
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; gap: 18px; }

/* ===== Relieve ===== */
.rl-lockup { display: grid; justify-items: center; gap: clamp(16px, 2.6vw, 30px); }
.rl-logo { width: clamp(84px, 11vw, 140px); height: auto; color: var(--ink); display: block; }
.home-hero { gap: 20px; }

/* Zona de arrastre de la portada */
.drop { width: min(620px, 100%); display: grid; justify-items: center; gap: 6px; padding: 28px 20px; border: 2px dashed var(--line); border-radius: 18px; background: var(--panel); cursor: pointer; text-align: center; }
.drop:hover, .drop.over { border-color: var(--turq); box-shadow: 0 18px 40px -26px rgb(20 209 195 / 0.7); }
.drop b { font-size: 16px; }
.drop > span { color: var(--muted); font-size: 13.5px; }
.drop-ico { width: 40px; height: 40px; fill: none; stroke: var(--turq); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.drop-btns { margin-top: 8px; display: flex; gap: 8px; }
.drop-btns .btn { pointer-events: none; }

/* Escenario */
.stage { touch-action: pan-y; }
#view2d { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#view2d .gminor { stroke: var(--mat-grid); stroke-width: 1; vector-effect: non-scaling-stroke; }
#view2d .gmajor { stroke: var(--mat-grid-major); stroke-width: 1; vector-effect: non-scaling-stroke; }
#view2d .plate { fill: var(--plate); opacity: 0.9; }
#view2d .fig { fill: var(--relief-2d); fill-rule: evenodd; }
#view2d .figline { fill: none; stroke: var(--night); stroke-width: 0.6; vector-effect: non-scaling-stroke; fill-rule: evenodd; opacity: .5; }
#view2d .dimln { stroke: var(--ruler-tick); stroke-width: 1; vector-effect: non-scaling-stroke; fill: none; }
#view2d .dimtx { fill: var(--ruler-tick); font-family: var(--f-mono); }
#view3d { position: absolute; inset: 0; }
#view3d canvas { display: block; width: 100%; height: 100%; cursor: grab; touch-action: none; }
#view3d canvas:active { cursor: grabbing; }
.stage-msg { position: absolute; inset: 0; margin: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: #c9d6dd; font-size: 14px; }
.dropveil { position: absolute; inset: 10px; border: 2px dashed var(--turq); border-radius: 12px; display: grid; place-items: center; background: rgb(6 21 29 / 0.72); color: #f1f5f2; font-size: 16px; z-index: 3; pointer-events: none; }
.vseg { pointer-events: auto; display: inline-grid; grid-template-columns: 1fr 1fr; background: rgb(3 13 19 / 0.6); backdrop-filter: blur(6px); border-radius: 999px; padding: 3px; }
.vseg input { position: absolute; opacity: 0; pointer-events: none; }
.vseg label { min-width: 46px; text-align: center; padding: 4px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600; color: #c9d6dd; cursor: pointer; }
.vseg input:checked + label { background: linear-gradient(90deg, var(--turq), var(--coral)); color: var(--night); }
.vseg input:focus-visible + label { outline: 2px solid var(--cut); outline-offset: 2px; }
.tagbtn { border: 0; cursor: pointer; font: inherit; font-size: 12.5px; }
.tagbtn:hover { background: rgb(3 13 19 / 0.85); }
.tag.no { background: var(--warn-bg); color: var(--warn); font-weight: 600; }

/* Inspector */
.src { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; align-items: center; }
.src-thumb { width: 64px; height: 64px; border-radius: 10px; background: var(--mat); display: grid; place-items: center; overflow: hidden; }
.src-thumb img, .src-thumb svg { max-width: 86%; max-height: 86%; display: block; }
.src-meta { display: grid; min-width: 0; }
.src-meta b { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.src-meta span { font-size: 12.5px; color: var(--muted); }
.presets { align-items: center; }
.presets .sublbl { font-size: 12.5px; font-weight: 500; color: var(--muted); margin-right: 2px; }
.check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-size: 13.5px; }
.check input { accent-color: var(--primary); width: 16px; height: 16px; margin: 2px 0 0; flex: none; }
.warns { margin: 0; padding: 10px 12px 10px 28px; border-radius: 10px; background: var(--warn-bg); color: var(--warn); font-size: 12.5px; display: grid; gap: 4px; }
.val { font: 500 13px var(--f-mono); font-variant-numeric: tabular-nums; color: var(--ink); }
.xyz { display: grid; grid-template-columns: minmax(0, 1fr) 22px; grid-template-rows: auto auto; column-gap: 8px; row-gap: 10px; }
.xyz .frow:first-child { grid-column: 1; grid-row: 1; }
.xyz .frow:last-child { grid-column: 1; grid-row: 2; }
.lock { grid-column: 2; grid-row: 1 / span 2; align-self: stretch; border: 0; background: none; padding: 0; cursor: pointer; color: var(--faint); display: grid; place-items: center; border-radius: 6px; }
.lock svg { width: 16px; height: 100%; max-height: 64px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; }
.lock[aria-pressed="true"] { color: var(--cut-text); }
.lock[aria-pressed="false"] .shk { transform: translate(2.5px, -1.5px); }
.lock[aria-pressed="false"] .ln { stroke-dasharray: 1.5 2; }
.sel-sm { width: 112px; flex: none; }
.est { background: linear-gradient(180deg, var(--primary-soft), transparent 70%); }
.est-main { display: grid; gap: 2px; }
.est-main strong { font: 500 34px/1.05 var(--f-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.est-main strong small { font-size: 16px; margin-left: 4px; color: var(--muted); }
.est-main span { font: 13px var(--f-mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.approx { margin: 0; font-size: 12px; color: var(--muted); padding-left: 10px; border-left: 2px solid var(--coral); }
#svgFallback { display: grid; gap: 8px; }
#svgFallback textarea { width: 100%; height: 96px; font: 11px var(--f-mono); background: var(--ui); border: 1px solid var(--line); border-radius: 8px; padding: 8px; }
.sec .chip { justify-self: start; }
.fitchip.no { color: var(--warn); }
@media (max-width: 860px) { .stage { height: 56vh; } }
#view2d .hole { fill: transparent; cursor: pointer; stroke: transparent; stroke-width: 1.2; vector-effect: non-scaling-stroke; }
#view2d .hole:hover { fill: rgb(255 86 138 / 0.28); stroke: var(--coral); }
#view2d .hole.filled { fill: rgb(255 86 138 / 0.42); stroke: var(--coral); stroke-dasharray: 4 3; }
#view2d .hole.filled:hover { fill: rgb(255 86 138 / 0.2); }
#view2d .ring.loose { fill: var(--coral); opacity: 0.7; }
.holes-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.holes-row .chip { flex: none; }
.hint.warn { color: var(--warn); }
.pair3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.pair3 .num { width: 100%; }
.pair3 label { font-size: 12.5px; color: var(--muted); }
.tl { display: flex; flex-wrap: wrap; gap: 8px; pointer-events: none; }
.tseg { grid-template-columns: repeat(3, auto); }
.tseg label { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px 4px 10px; }
.tseg svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
#view2d .piece { cursor: pointer; }
#view2d[data-tool="pieces"] .piece.fig:hover { fill: #47E0D5; stroke: var(--night); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
#view2d .piece.del { fill: url(#hatchDel); stroke: var(--coral); stroke-width: 1.4; vector-effect: non-scaling-stroke; fill-rule: evenodd; }
#view2d[data-tool="pieces"] .piece.del:hover { stroke-width: 2.4; }
#view2d:not([data-tool="pieces"]) .piece { pointer-events: none; cursor: default; }
#view2d:not([data-tool="holes"]) .hole { pointer-events: none; }
#view2d:not([data-tool="holes"]) .hole:not(.filled) { display: none; }
#view2d[data-tool="cut"] { cursor: crosshair; touch-action: none; }
#view2d .cutln { stroke: var(--coral); stroke-width: 1.6; stroke-dasharray: 7 4; vector-effect: non-scaling-stroke; fill: none; }
#view2d .cutend { fill: var(--coral); }
#view2d .rule { stroke: #FFFFFF; stroke-width: 1.4; vector-effect: non-scaling-stroke; }
#view2d .ruletk { stroke: #FFFFFF; stroke-width: 1; vector-effect: non-scaling-stroke; }
#view2d .rulelbl { fill: var(--night); font-family: var(--f-mono); }
#view2d .rulebg { fill: #FFFFFF; }
.erows { display: grid; gap: 8px; }
.erow { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto; align-items: center; gap: 10px; font-size: 13px; min-height: 30px; }
.ebtns { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 3px; }
.dot-pieces { background: repeating-linear-gradient(135deg, var(--coral) 0 2px, transparent 2px 4px); outline: 1px solid var(--coral); }
.dot-holes { border: 1.5px dashed var(--coral); }
.dot-cuts { background: linear-gradient(135deg, transparent 45%, var(--coral) 45% 58%, transparent 58%); }

/* ===== Cinta superior con desplegables ===== */
.app { display: flex; flex-direction: column; }
.app > .body { flex: 1 1 auto; min-height: 0; display: block; position: relative; }
.app > .err { margin: 0; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ribbon { position: relative; z-index: 20; display: block; }
.rb { display: flex; align-items: stretch; gap: 2px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 6px; overflow-x: auto; scrollbar-width: thin; }
.rb-k { display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.rb-item { flex: none; display: grid; grid-template-columns: auto 12px; column-gap: 8px; align-content: center; padding: 6px 12px; border: 0; border-radius: 10px; background: none; color: var(--ink); text-align: left; cursor: pointer; }
.rb-item .rb-k { grid-column: 1; }
.rb-item .rb-v { grid-column: 1; font-size: 13.5px; font-weight: 600; max-width: 20ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rb-item .chev { grid-column: 2; grid-row: 1 / span 2; align-self: center; width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 1.5; color: var(--faint); transition: transform .15s; }
.rb-item:hover { background: var(--ui); }
.rb-item[aria-expanded="true"] { background: var(--ui); box-shadow: inset 0 -2px 0 var(--coral); }
.rb-item[aria-expanded="true"] .chev { transform: rotate(180deg); }
.rb-item.on .rb-v { color: var(--cut-text); }
.rb-warn { display: inline-grid; place-items: center; width: 14px; height: 14px; border-radius: 50%; background: var(--warn-bg); color: var(--warn); font-style: normal; font-size: 10px; margin-left: 4px; vertical-align: 1px; }
.rb-sep { flex: none; width: 1px; margin: 6px 6px; background: var(--line); }
.rb-dims, .rb-tools, .rb-view { flex: none; display: grid; gap: 4px; align-content: center; padding: 2px 8px; }
.rb-view { margin-left: auto; }
.rb-xyz { display: flex; align-items: center; gap: 4px; }
.mini { display: inline-flex; align-items: center; gap: 4px; background: var(--ui); border: 1px solid var(--line); border-radius: 8px; padding: 0 6px 0 8px; height: 32px; cursor: text; }
.mini:focus-within { border-color: var(--turq); }
.mini b { font: 500 11px var(--f-mono); color: var(--faint); }
.mini input { width: 56px; border: 0; background: none; font: 500 14px var(--f-mono); font-variant-numeric: tabular-nums; text-align: right; padding: 0; outline: none; }
.rb .lock { width: 26px; height: 32px; grid-row: auto; grid-column: auto; }
.rb .lock svg { width: 26px; height: 16px; }
.rb-toggle { display: grid; place-items: center; width: 32px; height: 32px; margin-left: 4px; border-radius: 8px; border: 1px solid var(--line); background: var(--ui); color: var(--muted); cursor: pointer; }
.rb-toggle svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linejoin: round; }
#mirror:checked + .rb-toggle { background: var(--primary-soft); border-color: var(--turq); color: var(--cut-text); }
#mirror:focus-visible + .rb-toggle { outline: 2px solid var(--cut); outline-offset: 2px; }
.seg2 { display: inline-flex; background: var(--ui); border: 1px solid var(--line); border-radius: 9px; padding: 2px; }
.seg2 input { position: absolute; opacity: 0; pointer-events: none; }
.seg2 label { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 7px; font-size: 12.5px; font-weight: 600; color: var(--muted); cursor: pointer; white-space: nowrap; }
.seg2 label:hover { color: var(--ink); }
.seg2 svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.seg2 input:checked + label { background: linear-gradient(90deg, var(--turq), var(--coral)); color: var(--night); }
.seg2 input:focus-visible + label { outline: 2px solid var(--cut); outline-offset: 2px; }

.rb-panel { position: absolute; top: calc(100% + 6px); left: 0; width: 340px; max-width: calc(100vw - 32px); max-height: min(70vh, 620px); overflow-y: auto; display: grid; gap: 12px; align-content: start; padding: 16px 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 60px -24px rgb(0 0 0 / 0.55); }
.rb-panel.wide { width: 380px; }
.rb-panel h3 { margin: 4px 0 0; font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.rb-panel h3:first-child { margin-top: 0; }
.rb-panel > .chip { justify-self: start; }
.sel-md { width: 170px; flex: none; }
.err { margin: 0; }

/* Tarjeta de filamento sobre la escena */
.estcard { position: absolute; right: 12px; bottom: 12px; width: 250px; display: grid; gap: 8px; padding: 14px 16px; background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 16px 40px -20px rgb(0 0 0 / 0.6); backdrop-filter: blur(8px); z-index: 2; }
.estcard .est-main strong { font-size: 30px; }
.estcard .approx { font-size: 11.5px; }
.stage { position: absolute; inset: 0; }

@media (max-width: 860px) {
  .app > .body { display: grid; gap: 10px; }
  .stage { position: relative; inset: auto; height: 56vh; min-height: 320px; }
  .estcard { position: static; width: auto; }
}
@media (max-width: 640px) {
  .rb-panel { position: fixed; left: 0 !important; right: 0; top: auto; bottom: 0; width: 100%; max-width: none; max-height: 72vh; border-radius: 18px 18px 0 0; padding-bottom: calc(18px + env(safe-area-inset-bottom, 0px)); padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px)); }
}
.rb { position: relative; }
.rb-item { padding: 6px 10px; }
.rb-item .rb-v { max-width: 17ch; }
.mini input { width: 50px; }
.tl .tag { align-self: center; }

/* Texto, acabado, agujeros e historial */
.hist { display: flex; gap: 4px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
#txt { width: 100%; min-height: 64px; resize: vertical; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--ui); font: 600 16px/1.35 var(--f-ui); }
#txt:focus-visible { outline: 2px solid var(--cut); outline-offset: 2px; }
#view2d .fig.solid { pointer-events: none; }
#view2d .thin { fill: url(#hatchThin); stroke: #FFC233; stroke-width: 1; vector-effect: non-scaling-stroke; pointer-events: none; }
#view2d .bore { stroke-width: 1.4; vector-effect: non-scaling-stroke; pointer-events: none; }
#view2d .bore.thru { fill: var(--mat); stroke: var(--night); }
#view2d .bore.mag { fill: rgb(255 86 138 / 0.25); stroke: var(--coral); stroke-dasharray: 3 2; }
#view2d[data-tool="bores"] { cursor: crosshair; }
#view2d[data-tool="bores"] .piece, #view2d[data-tool="bores"] .hole { pointer-events: none; }
.dot-bores { border-radius: 50%; border: 2px solid var(--coral); }
.rb-panel .erow { grid-template-columns: 10px minmax(0, 1fr) auto; }
@media (max-width: 1560px) { .seg2 .tl-t { display: none; } .seg2 label { padding: 6px 9px; } }
@media (max-width: 520px) { .hist .btn { width: 34px; } }
@media (min-width: 641px) { .rb { flex-wrap: wrap; overflow: visible; row-gap: 4px; } }

/* Zoom de la vista 2D */
.zoom2d { pointer-events: auto; display: inline-flex; align-items: center; gap: 2px; padding: 3px; border-radius: 999px; background: rgb(3 13 19 / 0.6); backdrop-filter: blur(6px); }
.zbtn { display: grid; place-items: center; min-width: 30px; height: 28px; padding: 0 8px; border: 0; border-radius: 999px; background: none; color: #f1f5f2; font: 600 12.5px var(--f-ui); cursor: pointer; }
.zbtn:hover { background: rgb(255 255 255 / 0.1); }
.zbtn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.zlbl { min-width: 46px; text-align: center; font: 500 12px var(--f-mono); color: #f1f5f2; font-variant-numeric: tabular-nums; }
.zfit { border-left: 1px solid rgb(255 255 255 / 0.15); border-radius: 0 999px 999px 0; }
#view2d { touch-action: none; }
#view2d:not([data-tool="cut"]):not([data-tool="bores"]) { cursor: grab; }
#view2d.panning { cursor: grabbing !important; }

/* ===== Idiomas y contenido de las páginas ===== */
.langsw { display: inline-flex; align-items: center; padding: 3px; gap: 2px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.langsw a { display: grid; place-items: center; min-width: 34px; height: 30px; padding: 0 8px; border-radius: 7px; font: 600 12.5px var(--f-ui); letter-spacing: 0.04em; color: var(--muted); text-decoration: none; }
.langsw a:hover { color: var(--ink); background: var(--ui); }
.langsw a[aria-current="page"] { background: linear-gradient(90deg, var(--turq), var(--coral)); color: var(--night); }
.top-actions .langsw { height: 38px; }
.langsw.foot { justify-self: start; }
.langbar { position: fixed; z-index: 40; left: max(16px, env(safe-area-inset-left, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); max-width: calc(100% - 32px); display: flex; align-items: center; gap: 12px; padding: 10px 10px 10px 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 20px 50px -20px rgb(0 0 0 / 0.5); font-size: 13.5px; }
.langbar a { font-weight: 600; color: var(--cut-text); white-space: nowrap; }
.langbar button { display: grid; place-items: center; width: 30px; height: 30px; border: 0; border-radius: 8px; background: none; color: var(--muted); cursor: pointer; }
.langbar button:hover { background: var(--ui); color: var(--ink); }
.langbar svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.feats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feats li { display: grid; gap: 4px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.feats b { font-size: 15px; }
.feats span { color: var(--muted); font-size: 14px; }
@media (max-width: 720px) { .feats { grid-template-columns: 1fr; } }
.guides.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.guide[aria-current="page"] { border-color: var(--turq); background: var(--primary-soft); }
@media (max-width: 720px) { .guides.four { grid-template-columns: 1fr; } }
.footnav { display: flex; flex-wrap: wrap; gap: 6px 4px; }
.footnav a, .site-foot p a { color: var(--ink); text-decoration-color: var(--turq); text-underline-offset: 3px; }
.home-bar-r { align-items: center; }
@media (max-width: 520px) { .top-actions .langsw a { min-width: 30px; padding: 0 5px; } .top .langsw { order: -1; } }
.site-foot p { margin: 0; }