/* Công cụ tra dung sai lắp ghép ISO 286 — lỗ: xanh dương, trục: cam đỏ (trùng màu giữa ô chọn, sơ đồ và thẻ kết quả) */
/* no-contextual: phông chữ tự đổi chữ x nằm giữa hai số thành dấu nhân, làm Ø480x6 (trục x6) đọc thành 480 × 6 */
.wfits{display:flex;flex-direction:column;gap:12px;font-variant-numeric:tabular-nums;font-variant-ligatures:no-contextual;text-align:left}
.wfits-embed{padding:10px 8px}
.wfits p{margin:0}

/* tab */
.wfits-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:3px;background:var(--soft);border:1px solid var(--line);border-radius:14px}
.wfits-tab{min-height:44px;border:0;background:none;border-radius:11px;font-weight:650;font-size:14px;line-height:1.2;color:var(--muted);padding:4px 6px}
.wfits-tab.on{background:var(--card);color:var(--pri-d);box-shadow:var(--shadow)}

/* ô nhập */
.wfits-form{display:flex;flex-direction:column;gap:10px}
.wfits-form .field{margin:0}
.wfits-size input{font-size:20px;font-weight:700}
.wfits-pick{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.wfits-pk{display:grid;grid-template-columns:1.2fr 1fr;gap:6px;min-width:0}
.wfits-pkt{grid-column:1/-1;display:flex;align-items:center;gap:6px;font-size:13.5px;font-weight:650}
.wfits-pkt::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--blue)}
.wfits-pk-s .wfits-pkt::before{background:var(--acc)}
.wfits-pk select{width:100%;min-width:0;height:48px;border:1.5px solid var(--line);border-radius:12px;padding:0 6px 0 10px;font:inherit;font-size:17px;font-weight:700;background-color:var(--card);color:var(--ink)}
.wfits-pk-h select:focus-visible{border-color:var(--blue)}
.wfits-pk-s select:focus-visible{border-color:var(--acc)}
.wfits-lbl{font-size:13.5px;font-weight:650;margin-bottom:-4px}
.wfits-quick{flex-wrap:wrap;overflow:visible;padding:0}
.wfits .chip{min-height:44px}

/* tiêu đề kết quả */
.wfits-out{display:flex;flex-direction:column;gap:12px}
.wfits-out>.note,.wfits-out>.tbl-wrap{margin:0}
.wfits-head{padding:2px 2px 0}
.wfits-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:24px;font-weight:800;line-height:1.2}
.wfits-title .pill{font-size:13px;padding:4px 11px}
.wfits-hint{margin-top:5px!important;font-size:14.5px;color:var(--muted)}

/* sơ đồ miền dung sai */
.wfits-dia{padding:8px}
.wfits-svg{display:block;width:100%;max-width:460px;height:auto;margin:0 auto}
.wfits-svg text{font-family:inherit;fill:var(--ink)}
.wfits-svg .wfits-zh{fill:var(--blue-l);stroke:var(--blue);stroke-width:1.6}
.wfits-svg .wfits-zs{fill:var(--acc-l);stroke:var(--acc);stroke-width:1.6}
.wfits-svg .wfits-hh{stroke:var(--blue);stroke-width:.8;opacity:.4}
.wfits-svg .wfits-hs{stroke:var(--acc);stroke-width:.8;opacity:.4}
.wfits-svg .wfits-zero{stroke:var(--ink);stroke-width:1.5}
.wfits-svg .wfits-guide{stroke:var(--muted);stroke-width:1;stroke-dasharray:2 3;opacity:.5}
.wfits-svg .wfits-tn{font-size:13px;font-weight:700;text-anchor:middle}
.wfits-svg .wfits-tv{font-size:12.5px;font-weight:700;paint-order:stroke;stroke:var(--card);stroke-width:3px;stroke-linejoin:round}
.wfits-svg .wfits-th{fill:var(--blue)}
.wfits-svg .wfits-ts{fill:var(--acc)}
.wfits-svg .wfits-tz{font-size:10px;fill:var(--muted)}
.wfits-svg .wfits-tzb{font-size:12px;font-weight:700;fill:var(--ink)}
.wfits-svg .wfits-tu{font-size:10px;fill:var(--muted)}

/* thẻ lỗ, trục, lắp ghép */
.wfits-cols{display:grid;gap:12px}
@media(min-width:620px){.wfits-cols{grid-template-columns:1fr 1fr}}
.wfits-z,.wfits-fit,.wfits-gen,.wfits-itc{border-top:4px solid var(--blue);padding-top:11px}
.wfits-z-s{border-top-color:var(--acc)}
.wfits-gen,.wfits-itc{border-top-color:var(--pri)}
.wfits-fit-l{border-top-color:var(--blue)} .wfits-fit-c{border-top-color:var(--acc)} .wfits-fit-t{border-top-color:var(--warn)}
.wfits-zt{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:4px}
.wfits-zt>b{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.wfits-des{display:inline-flex;align-items:center;gap:7px;font-size:20px;font-weight:800;text-align:right}
.wfits-stack{display:inline-flex;flex-direction:column;font-size:13px;line-height:1.2;font-weight:700;text-align:left}
.wfits .kv{align-items:baseline;font-size:15px}
.wfits .kv b{white-space:nowrap;font-size:16.5px}
.wfits .kv.wfits-mid{align-items:center;background:var(--pri-l);margin:8px -6px -4px;padding:9px 8px;border-radius:10px;border-bottom:0}
.wfits-mid i{display:block;font-style:normal;font-weight:650;font-size:13px;color:var(--pri-d)}
.wfits .kv.wfits-mid b{font-size:19px;color:var(--pri-d)}
.wfits-none{font-size:14.5px;color:var(--muted);padding:6px 0 2px}
.wfits-fr{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.wfits-fr b{font-size:22px;font-weight:800;white-space:nowrap}
.wfits-sym{display:block;font-size:13px;color:var(--muted)}
.wfits-unit{padding-top:8px}

/* dung sai chung, bảng IT */
.wfits-big{font-size:30px;font-weight:800;line-height:1.2;margin:2px 0 6px}
.wfits-big span{color:var(--pri-d)}
.wfits-tbl th,.wfits-tbl td{text-align:center;white-space:nowrap;padding:9px 8px}
.wfits-ittbl th,.wfits-ittbl td{padding:9px 7px}
.wfits-tbl th:first-child,.wfits-tbl td:first-child{text-align:left}
.wfits-tbl .wfits-on{background:color-mix(in srgb,var(--pri-l) 55%,var(--card))}
.wfits-tbl th.wfits-on{background:var(--pri-l);color:var(--pri-d)}
.wfits-tbl tr.wfits-row td{background:var(--pri-l);font-weight:700}
.wfits-tbl tr.wfits-row td.wfits-on{background:var(--pri);color:#fff}
.wfits-ittbl th:first-child,.wfits-ittbl td:first-child{position:sticky;left:0;background:var(--card);box-shadow:1px 0 0 var(--line)}
.wfits-ittbl th:first-child{background:var(--soft)}
.wfits-ittbl tr.wfits-row td:first-child{background:var(--pri-l)}
.wfits-its{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:6px}
.wfits-it{background:var(--soft);border-radius:10px;padding:7px 4px;text-align:center}
.wfits-it span{display:block;font-size:13px;font-weight:650;color:var(--muted)}
.wfits-it b{font-size:17px}