/* Machine-shop reference data pages (/tools/pull-stud-finder-by-machine, /tools/spindle-taper-identifier,
   /tools/er-collet-chart, /tools/import-duty-cutting-tools, /tools/cnc-machine-hour-rate-calculator). Loaded after tools.css. Uses the site tokens from site.css, so light and dark mode
   follow prefers-color-scheme. Version token: V.dataTools in _src/assets.mjs. */
:root{--dt-amber:#9a5b00;--dt-amber-bg:rgba(242,184,75,.14);--dt-row:rgba(10,132,237,.035)}
@media (prefers-color-scheme:dark){:root{--dt-amber:#f2b84b;--dt-amber-bg:rgba(242,184,75,.1);--dt-row:rgba(59,161,255,.05)}}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.chap.dt-sec{padding:clamp(56px,7vw,96px) 0}
.dt-lead{margin-top:14px;max-width:70ch;color:var(--ink-2);font-size:1.05rem;line-height:1.55}
.dt-note{margin-top:14px;max-width:80ch;color:var(--muted);font-size:.9rem;line-height:1.55}
.dt-note a,.dt-lead a,.dt a,.dt-soft a{color:var(--blue-ink)}
@media (prefers-color-scheme:dark){.dt-note a,.dt-lead a,.dt a,.dt-soft a{color:var(--blue-2)}}

/* tables: scroll inside their own box on narrow screens, never the page */
.dt-scroll{margin-top:22px;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.dt-scroll:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.dt{width:100%;border-collapse:collapse;font-size:.92rem;line-height:1.45;min-width:640px}
.dt thead th{position:sticky;top:0;background:var(--paper-2);font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 14px;vertical-align:bottom;white-space:nowrap}
.dt tbody th,.dt tbody td{padding:12px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--line);color:var(--ink-2)}
.dt tbody th{color:var(--ink);font-weight:700;white-space:nowrap;min-width:150px}
.dt tbody tr:nth-child(even){background:var(--dt-row)}
.dt b{color:var(--ink);font-weight:650;font-variant-numeric:tabular-nums}
.dt td{font-variant-numeric:tabular-nums}
.dt .mono,.dt-src .mono{font-family:var(--mono);font-size:.86rem}
.dt .nowrap{white-space:nowrap}
.dt-sub{display:block;margin-top:2px;font-weight:400;font-size:.8rem;color:var(--muted);white-space:normal}
.dt td .dt-sub{display:inline}
.dt tbody th .dt-sub{display:block}
.dt-na{color:var(--muted);font-size:.84rem}
.dt-tq tr.dt-grp th,.dt-tq tr.dt-grp td{border-top:2px solid var(--line)}
.dt-tq tbody tr:nth-child(even){background:none}
.dt-src{min-width:720px}
.dt-src td:nth-child(2){min-width:260px}
.dt-sn{display:block;margin-top:4px;font-size:.8rem;color:var(--muted)}
sup.ct{font-size:.68em;line-height:0;margin-left:2px;white-space:nowrap}
sup.ct a{text-decoration:none;font-family:var(--mono)}
sup.ct a:hover{text-decoration:underline}
tr:target{outline:2px solid var(--blue);outline-offset:-2px}

/* confidence badges: one accent (blue) + amber for "check" */
.cf{display:inline-block;padding:3px 8px;border-radius:999px;font:600 .68rem/1.3 var(--mono);letter-spacing:.03em;white-space:nowrap;vertical-align:1px}
.cf-b{background:var(--blue);color:#fff}
.cf-2{border:1px solid var(--blue);color:var(--blue-ink)}
.cf-1{border:1px solid var(--dt-amber);color:var(--dt-amber);background:var(--dt-amber-bg)}
@media (prefers-color-scheme:dark){.cf-b{background:#1a6fc4}.cf-2{border-color:var(--blue-2);color:var(--blue-2)}}

/* safety note */
.dt-warn{display:grid;grid-template-columns:28px 1fr;gap:10px;margin-top:20px;padding:14px 16px;max-width:880px;border-left:3px solid var(--dt-amber);background:var(--dt-amber-bg);border-radius:0 var(--r) var(--r) 0}
.dt-warn i{font-size:1.35rem;color:var(--dt-amber);margin-top:1px}
.dt-warn p{margin:0;color:var(--ink);font-size:.96rem;line-height:1.5}

/* finder panels (dark instrument panel, same as the calculators) */
.dt-pick .dro .v.sm,.dt-meas .dro .v.sm{font-size:clamp(1.05rem,.9rem + .6vw,1.35rem)}
.dt-pick .dro .v small{font-size:.42em}
.dt-out{margin-top:6px;font-size:.88rem;line-height:1.5;color:var(--d-ink)}
.dt-out p{margin:6px 0 0}
.dt-out ul{margin:6px 0 0;padding-left:18px}
.dt-out li{margin-top:6px}
.dt-out li span{color:var(--d-muted)}
.dt-out a{color:var(--blue-2)}
.dt-out ul.dt-chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.dt-chips li{margin:0}
.dt-chips a{display:inline-flex;flex-direction:column;gap:2px;padding:8px 10px;border:1px solid rgba(59,161,255,.35);border-radius:8px;text-decoration:none;font:500 .82rem/1.2 var(--mono);color:#e9f4ff;background:rgba(10,132,237,.08);min-height:44px;justify-content:center}
.dt-chips a span{font:400 .72rem/1.3 var(--font);color:var(--d-muted)}
.dt-chips a:hover{border-color:var(--blue-2)}
.dt-fine{font-size:.78rem;color:var(--d-muted)}
.dt-meas{margin-top:22px;max-width:760px}
.dt-meas fieldset{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:860px){.dt-meas fieldset{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.dt-meas fieldset{grid-template-columns:1fr}}
.calc [hidden]{display:none}

/* steps + closing line */
.dt-steps{margin:18px 0 0;padding-left:22px;color:var(--ink-2);font-size:1.04rem;line-height:1.6}
.dt-steps li{margin-top:10px}
.dt-steps b{color:var(--ink)}
.dt-soft{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:1.05rem;color:var(--ink)}
.dt-soft a{font-weight:650}

@media (max-width:640px){.dt{font-size:.86rem}.dt tbody th,.dt tbody td{padding:10px 12px}}

/* import duty checker: one readout block per country */
.dt-duty .dro{grid-template-columns:repeat(2,minmax(0,1fr))}
.dt-cty{border-top:1px solid rgba(59,161,255,.18);padding-top:12px}
.dt-cty .dt-out b{color:#fff;font-family:var(--mono)}
.dt-cty .dt-out a{font-family:var(--mono)}
.dt-duty-t{min-width:860px}
.dt-duty-t td{min-width:200px}
.dt-duty-t td a{font-weight:600}
.dt-duty-t td .dt-sub{display:block;margin:2px 0 8px}

/* machine hour rate: second fieldset, cost bar (no background track) and legend */
.dt-hr .u:empty{display:none}
.dt-hr fieldset+fieldset{margin-top:18px;padding-top:16px;border-top:1px solid rgba(150,180,215,.16)}
.dt-bar{display:flex;gap:2px;height:10px;margin:2px 0 10px;border-radius:3px;overflow:hidden}
.dt-bar span{display:block;height:100%;min-width:0;transition:width .25s var(--ease)}
.dt-bar .s0,.dt-legend .s0{background:#3ba1ff}
.dt-bar .s1,.dt-legend .s1{background:#8cc8ff}
.dt-bar .s2,.dt-legend .s2{background:#1a6fc4}
.dt-bar .s3,.dt-legend .s3{background:#f2b84b}
.dt-bar .s4,.dt-legend .s4{background:#c9e4ff}
.dt-out ul.dt-legend{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 16px}
.dt-legend li{margin:0;display:flex;align-items:center;gap:8px;color:var(--d-muted)}
.dt-legend li b{margin-left:auto;color:#e9f4ff;font-family:var(--mono);font-weight:500}
.dt-legend i{flex:0 0 10px;width:10px;height:10px;border-radius:2px}
@media (max-width:520px){.dt-out ul.dt-legend{grid-template-columns:1fr}.dt-duty .dro{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.dt-bar span{transition:none}}

/* formula block and sub-headings */
.dt-formula{margin-top:22px;max-width:760px;padding:18px 20px;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:0 12px 12px 0;background:var(--card);font-family:var(--mono);font-size:.92rem;line-height:1.5;color:var(--ink-2)}
.dt-formula p{margin:0}
.dt-formula p+p{margin-top:8px}
.dt-formula b{color:var(--ink);font-weight:600}
.dt-formula .dt-sum{margin-top:12px;padding-top:10px;border-top:1px solid var(--line)}
.dt-h3{margin-top:40px;font-size:1.2rem;line-height:1.3;color:var(--ink)}
.dt-h3+.dt-lead{margin-top:8px}
.dt-st{min-width:520px}
.dt-ex{min-width:560px}