/* CalcTask — sistema de diseño */
@font-face{font-family:"Bricolage";src:url(fonts/bricolage-grotesque-latin-wght-normal.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Jakarta";src:url(fonts/plus-jakarta-sans-latin-wght-normal.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"JBMono";src:url(fonts/jetbrains-mono-latin-wght-normal.woff2) format("woff2");font-weight:100 800;font-display:swap}

:root{
  --cat:#6d28d9;
  --bg:#f6f4fb;
  --surface:#ffffff;
  --surface-2:#f1eef9;
  --ink:#16132b;
  --ink-2:#4b4766;
  --ink-3:#7e7a98;
  --line:#e6e2f2;
  --line-2:#d4cfe6;
  --hero-1:#1e1150;--hero-2:#4c1d95;--hero-3:#9d174d;
  --ok:#15803d;--err:#dc2626;--err-soft:#fee2e2;
  --teal:#0f766e;--teal-soft:#ccfbf1;
  --shadow-sm:0 1px 2px rgba(22,19,43,.06),0 2px 6px -2px rgba(22,19,43,.08);
  --shadow:0 2px 4px rgba(22,19,43,.04),0 12px 32px -12px rgba(40,20,90,.22);
  --display:"Bricolage",system-ui,sans-serif;
  --sans:"Jakarta",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JBMono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:18px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b0a17;--surface:#15132a;--surface-2:#1d1a36;--ink:#efedf8;--ink-2:#b9b4d4;--ink-3:#8a85a8;--line:#2a2647;--line-2:#3a355c;
  --ok:#4ade80;--err:#f87171;--err-soft:#3a1420;--teal:#5eead4;--teal-soft:#0f2e2c;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);--shadow:0 12px 32px -12px rgba(0,0,0,.7);color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b0a17;--surface:#15132a;--surface-2:#1d1a36;--ink:#efedf8;--ink-2:#b9b4d4;--ink-3:#8a85a8;--line:#2a2647;--line-2:#3a355c;
  --ok:#4ade80;--err:#f87171;--err-soft:#3a1420;--teal:#5eead4;--teal-soft:#0f2e2c;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);--shadow:0 12px 32px -12px rgba(0,0,0,.7);color-scheme:dark}
:root{--cat-soft:color-mix(in srgb,var(--cat) 12%,var(--surface));--cat-ink:color-mix(in srgb,var(--cat) 78%,var(--ink));--accent:var(--cat);--accent-soft:var(--cat-soft);--accent-ink:#fff;--code-bg:var(--surface-2);--paper:var(--surface)}
[data-cat]{--cat-soft:color-mix(in srgb,var(--cat) 12%,var(--surface));--cat-ink:color-mix(in srgb,var(--cat) 78%,var(--ink));--accent:var(--cat);--accent-soft:var(--cat-soft)}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--cat-ink);text-underline-offset:3px;text-decoration-thickness:1.5px}
img,svg{max-width:100%}
code,kbd,.mono{font-family:var(--mono);font-size:.9em}
code{background:var(--surface-2);padding:.1em .4em;border-radius:6px}
h1,h2,h3{font-family:var(--display);line-height:1.1;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2rem,5vw,3.1rem);margin:.15em 0 .3em}
h2{font-size:clamp(1.35rem,3vw,1.7rem);margin:2.2rem 0 .7rem}
h3{font-size:1.15rem;margin:1.5rem 0 .5rem}
p{margin:.65em 0}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.prose{max-width:780px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:var(--surface);padding:6px 10px;z-index:99}
.ico{width:1em;height:1em;flex:0 0 auto;vertical-align:-.14em}

/* ── Cabecera ── */
.top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.top .wrap{display:flex;align-items:center;gap:14px;height:66px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;line-height:1}
.logo .mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:20px;background:linear-gradient(135deg,#7c3aed,#db2777 60%,#f59e0b);box-shadow:0 6px 16px -6px rgba(124,58,237,.7)}
.logo .wm{display:flex;flex-direction:column;font-family:var(--display)}
.logo .wm small{font-size:.62rem;font-weight:600;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase}
.logo .wm b{font-size:1.4rem;font-weight:800;letter-spacing:-.03em;line-height:1}
.logo .wm b span{background:linear-gradient(90deg,#7c3aed,#db2777);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav a{color:var(--ink-2);text-decoration:none;padding:8px 13px;border-radius:999px;font-weight:600;font-size:.94rem}
.nav a:hover,.nav a[aria-current]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}
.iconbtn{background:var(--surface);border:1px solid var(--line);color:var(--ink-2);border-radius:12px;width:40px;height:40px;display:inline-grid;place-items:center;cursor:pointer;font-size:18px}
.iconbtn:hover{color:var(--ink);border-color:var(--line-2)}
.menubtn{display:none}
@media (max-width:820px){
  .menubtn{display:inline-grid;margin-left:auto}
  .nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 20px 16px;margin:0}
  .nav.open{display:flex}
}

/* ── Portada ── */
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(1200px 500px at 85% -10%,#db2777 0,transparent 60%),radial-gradient(900px 500px at 0% 110%,#2563eb 0,transparent 55%),linear-gradient(135deg,var(--hero-1),var(--hero-2) 55%,var(--hero-3));padding:72px 0 64px;margin-bottom:10px}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%)}
.hero .floaty{position:absolute;font-family:var(--display);font-weight:700;color:rgba(255,255,255,.1);pointer-events:none;user-select:none;line-height:1}
.hero .wrap{position:relative}
.hero .kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:6px 14px;border-radius:999px;font-weight:600;font-size:.88rem;backdrop-filter:blur(6px)}
.hero h1{font-size:clamp(2.3rem,6vw,4.2rem);max-width:1040px;margin:18px 0 14px;font-weight:800;letter-spacing:-.035em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#fde68a,#fbcfe8 60%,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:clamp(1.05rem,2vw,1.25rem);max-width:660px;color:rgba(255,255,255,.82)}
.search{position:relative;max-width:640px;margin:28px 0 18px}
.search .ico{position:absolute;left:20px;top:50%;transform:translateY(-50%);font-size:22px;color:#7e7a98}
.search input{width:100%;font:500 1.08rem var(--sans);padding:19px 20px 19px 56px;border-radius:18px;border:0;background:#fff;color:#16132b;box-shadow:0 20px 50px -18px rgba(0,0,0,.55),0 0 0 6px rgba(255,255,255,.12);outline:none}
.search input:focus{box-shadow:0 20px 50px -18px rgba(0,0,0,.55),0 0 0 6px rgba(255,255,255,.35)}
.search kbd{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:.75rem;color:#7e7a98;border:1px solid #d4cfe6;border-radius:6px;padding:2px 7px;background:#f6f4fb}
.catchips{display:flex;flex-wrap:wrap;gap:8px}
.catchip{display:inline-flex;align-items:center;gap:7px;text-decoration:none;color:#fff;font-weight:600;font-size:.9rem;padding:7px 13px 7px 9px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);transition:background .15s}
.catchip:hover{background:rgba(255,255,255,.2)}
.catchip i{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:var(--cat);font-size:14px;font-style:normal}
.stats{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:30px;color:rgba(255,255,255,.75);font-size:.95rem}
.stats b{font-family:var(--display);font-size:1.6rem;color:#fff;display:block;line-height:1}

.section{margin:46px 0 0;scroll-margin-top:80px}
.sechead{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.sechead .tile{width:48px;height:48px;font-size:24px;border-radius:15px}
.sechead h2{margin:0;font-size:1.55rem}
.sechead p{margin:2px 0 0;color:var(--ink-3);font-size:.95rem}
.sechead .more{margin-left:auto;font-weight:700;text-decoration:none;font-size:.92rem;white-space:nowrap}
.tile{display:grid;place-items:center;border-radius:13px;width:44px;height:44px;font-size:22px;background:var(--cat-soft);color:var(--cat-ink);flex:0 0 auto}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{position:relative;display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow-sm);transition:transform .16s ease,box-shadow .16s ease,border-color .16s}
.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--cat) 45%,var(--line));box-shadow:0 16px 34px -16px color-mix(in srgb,var(--cat) 55%,transparent)}
.card h3{margin:0;font-size:1.08rem;letter-spacing:-.01em}
.card p{margin:0;color:var(--ink-2);font-size:.92rem;line-height:1.5}
.card .tag{position:absolute;top:16px;right:16px}
.card .go{margin-top:auto;font-weight:700;font-size:.86rem;color:var(--cat-ink);display:flex;align-items:center;gap:4px}
.empty{padding:30px;text-align:center;color:var(--ink-3);background:var(--surface);border-radius:var(--r);border:1px dashed var(--line-2)}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0}
.why div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.why .tile{margin-bottom:10px}
.why h3{margin:0 0 4px;font-size:1.05rem}
.why p{margin:0;color:var(--ink-2);font-size:.93rem}

/* ── Página de herramienta ── */
.toolhero{position:relative;overflow:hidden;background:radial-gradient(800px 300px at 90% 0%,color-mix(in srgb,var(--cat) 26%,transparent),transparent 70%),linear-gradient(180deg,color-mix(in srgb,var(--cat) 10%,var(--bg)),var(--bg));border-bottom:1px solid var(--line);padding:22px 0 30px;margin-bottom:22px}
.crumbs{font-size:.86rem;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--ink-3);text-decoration:none;font-weight:600}
.crumbs a:hover{color:var(--cat-ink)}
.toolhead{display:flex;gap:18px;align-items:flex-start;margin-top:16px}
.toolhead .tile{width:62px;height:62px;font-size:30px;border-radius:18px;background:var(--cat);color:#fff;box-shadow:0 12px 26px -10px var(--cat)}
.toolhead h1{margin:2px 0 6px;font-size:clamp(1.8rem,4.4vw,2.7rem)}
.toolhead .lead{color:var(--ink-2);font-size:1.06rem;max-width:760px;margin:0}
.pill{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--cat-ink);background:var(--cat-soft);padding:4px 10px;border-radius:999px;text-decoration:none}
@media (max-width:600px){.toolhead{flex-direction:column;gap:12px}.toolhead .tile{width:52px;height:52px;font-size:26px}}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:22px;margin:0 0 18px}
.panel h2:first-child,.panel h3:first-child{margin-top:0}
.tabs{display:inline-flex;flex-wrap:wrap;gap:4px;background:var(--surface-2);padding:5px;border-radius:14px;margin:0 0 18px;border:1px solid var(--line)}
.tabs button{background:none;border:0;padding:8px 14px;border-radius:10px;font:600 .92rem var(--sans);color:var(--ink-2);cursor:pointer}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-selected="true"]{background:var(--surface);color:var(--cat-ink);box-shadow:var(--shadow-sm)}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.lbl{font-size:.8rem;font-weight:700;color:var(--ink-2);letter-spacing:.02em}
input[type=text],input[type=number],input[type=date],select,textarea{font:500 16px var(--sans);color:var(--ink);background:var(--bg);border:1.5px solid var(--line-2);border-radius:12px;padding:10px 13px;min-width:0;width:100%;transition:border-color .15s,box-shadow .15s}
input.num,.field input[type=text]{font-family:var(--mono);font-size:15.5px}
textarea{min-height:120px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cat);box-shadow:0 0 0 4px color-mix(in srgb,var(--cat) 20%,transparent)}
input.bad{border-color:var(--err);background:var(--err-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font:700 .95rem var(--sans);border-radius:12px;padding:10px 18px;border:1.5px solid var(--cat);background:var(--cat);color:#fff;cursor:pointer;white-space:nowrap;text-decoration:none;box-shadow:0 8px 18px -10px var(--cat)}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line-2);box-shadow:none}
.btn.ghost:hover{border-color:var(--cat);color:var(--cat-ink)}
.btn.sm{padding:6px 12px;font-size:.85rem;border-radius:10px}
.hint{font-size:.86rem;color:var(--ink-3)}
.err{color:var(--err);font-size:.92rem;margin:.5em 0 0;font-weight:600}
.err:empty{display:none}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:600 .84rem var(--sans);border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink-2);border-radius:999px;padding:4px 12px;cursor:pointer}
.chip:hover{border-color:var(--cat);color:var(--cat-ink)}
.results{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:16px}
.res{border:1px solid var(--line);border-radius:14px;padding:11px 14px;background:var(--bg)}
.res .k{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);font-weight:700}
.res .v{font:600 1.05rem var(--mono);word-break:break-word;color:var(--ink);margin-top:2px}
.res.hl{border-color:color-mix(in srgb,var(--cat) 40%,transparent);background:var(--cat-soft)}
.res.hl .v{color:var(--cat-ink)}
.res.xl .v{font:800 2rem var(--display);letter-spacing:-.02em}
.big{font:700 clamp(1.4rem,4vw,2.1rem) var(--mono);word-break:break-all;margin:.2em 0}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);font-weight:700}
td.mono,th.mono{font-family:var(--mono)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.tablewrap table{margin:0}.tablewrap tr:last-child td{border-bottom:0}
.steps{counter-reset:s;list-style:none;padding:0;margin:10px 0 0}
.steps>li{counter-increment:s;position:relative;padding:10px 0 10px 44px;border-top:1px dashed var(--line)}
.steps>li:first-child{border-top:0}
.steps>li::before{content:counter(s);position:absolute;left:0;top:9px;width:30px;height:30px;border-radius:10px;background:var(--cat-soft);color:var(--cat-ink);font:700 .9rem var(--mono);display:grid;place-items:center}
pre.calc{font:.9rem/1.55 var(--mono);background:var(--surface-2);border-radius:12px;padding:12px 14px;overflow-x:auto;margin:6px 0;white-space:pre;border:1px solid var(--line)}
.bits{font-family:var(--mono);letter-spacing:.04em}
.bits .s{color:var(--err)}.bits .e{color:var(--teal)}.bits .m{color:var(--cat-ink)}
.bits .n{color:var(--cat-ink);font-weight:700}.bits .h{color:var(--teal);font-weight:700}
.steps .bits,.note .bits,p .bits{word-break:break-all}
.ov{display:inline-block;border-top:1.5px solid currentColor;line-height:1.15;margin:0 .07em;padding-top:1px}
.tag{display:inline-block;font:700 .72rem var(--sans);padding:2px 8px;border-radius:999px;background:var(--teal-soft);color:var(--teal)}
.tag.warn{background:var(--cat-soft);color:var(--cat-ink)}
.note{font-size:.92rem;color:var(--ink-2);background:var(--cat-soft);border-radius:12px;padding:12px 16px;border-left:4px solid var(--cat)}
.bar{height:12px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--cat),color-mix(in srgb,var(--cat) 60%,#f59e0b));border-radius:99px}

/* Contenido explicativo */
.content{margin:40px 0 10px}
.content .prose h2{padding-top:.4rem}
.content .prose>h2:first-child{margin-top:0}
.content ul,.content ol{padding-left:1.3em}.content li{margin:.3em 0}
.example{border:1px solid color-mix(in srgb,var(--cat) 25%,var(--line));background:var(--surface);padding:14px 18px;border-radius:16px;margin:14px 0;position:relative}
.example .t{font-family:var(--display);font-weight:700;margin:0 0 4px;color:var(--cat-ink)}
details.faq{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin:8px 0;padding:0 18px}
details.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:10px}
details.faq summary::after{content:"+";font:700 1.3rem var(--mono);color:var(--cat-ink);line-height:1}
details.faq[open] summary::after{content:"−"}
details.faq summary::-webkit-details-marker{display:none}
details.faq[open] summary{border-bottom:1px solid var(--line);margin-bottom:6px}

/* Pie */
.foot{margin-top:70px;background:#0e0c1d;color:#b9b4d4;padding:48px 0 30px;font-size:.92rem}
.foot a{color:#d9d5ee;text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot .cols{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:26px 22px;margin:28px 0}
.foot h4{font-family:var(--display);color:#fff;font-size:.98rem;margin:0 0 10px;display:flex;align-items:center;gap:8px}
.foot h4 i{width:10px;height:10px;border-radius:3px;background:var(--cat)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot .legal{border-top:1px solid #26223f;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between}
.foot .logo{color:#fff}.foot .logo .wm small{color:#8a85a8}
.foot .legal nav{display:flex;flex-wrap:wrap;gap:6px 18px}

/* Karnaugh */
.kmap{border-collapse:separate;border-spacing:3px;width:auto;margin:6px 0;font-family:var(--mono)}
.kmap th{text-transform:none;letter-spacing:0;font-size:.9rem;color:var(--ink-2);text-align:center;padding:4px 8px;border:0}
.kmap td.c{width:58px;height:58px;text-align:center;vertical-align:middle;border:1.5px solid var(--line-2);border-radius:10px;cursor:pointer;position:relative;font-size:1.15rem;user-select:none;padding:0;background:var(--bg)}
.kmap td.c:hover{background:var(--cat-soft)}
.kmap td.c .idx{position:absolute;left:5px;top:3px;font-size:.62rem;color:var(--ink-3)}
.kmap td.c .dots{position:absolute;left:3px;right:3px;bottom:4px;display:flex;gap:2px;justify-content:center;flex-wrap:wrap}
.kmap td.c .dots i{width:9px;height:4px;border-radius:2px;display:block}
.kmap td.c.one{font-weight:800;color:var(--cat-ink);background:var(--cat-soft)}
.kmap td.c.dc{color:var(--ink-3)}
.kmap td.c.lit{outline:3px solid var(--hl,var(--cat));outline-offset:-1px}
.kmap .corner{font-size:.8rem;color:var(--ink-3)}
.kmap td{border:0}
.terms{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.term{font:600 1rem var(--mono);border:2px solid var(--c);border-radius:10px;padding:4px 10px;background:var(--bg)}
.resistor{width:100%;max-width:520px;height:auto;display:block;margin:4px auto 10px}
.swatch{display:inline-block;width:12px;height:12px;border-radius:4px;vertical-align:-1px;margin-right:6px;border:1px solid rgba(0,0,0,.25)}
.bars{height:260px;display:flex;align-items:flex-end;gap:2px;padding:10px;background:var(--bg);border:1px solid var(--line);border-radius:14px}
.bars div{flex:1;background:var(--ink-3);border-radius:3px 3px 0 0;min-width:1px;opacity:.55}
.bars div.cmp{background:var(--teal);opacity:1}.bars div.swp{background:var(--cat);opacity:1}.bars div.done{background:var(--ok);opacity:.85}
.stats2{display:flex;gap:18px;flex-wrap:wrap;font:.92rem var(--mono);color:var(--ink-2);margin:10px 0}
.stats2 b{color:var(--ink)}
input[type=range]{accent-color:var(--cat);width:100%}
input[type=checkbox]{accent-color:var(--cat);width:17px;height:17px}

/* Pomodoro */
.clock{display:grid;place-items:center;margin:10px auto;position:relative;width:min(300px,80vw);aspect-ratio:1}
.clock svg{position:absolute;inset:0;transform:rotate(-90deg)}
.clock .t{font:800 clamp(3rem,12vw,4.4rem) var(--display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.clock .ph{font-weight:700;color:var(--cat-ink);text-transform:uppercase;letter-spacing:.1em;font-size:.82rem;text-align:center}

/* Grades */
.grid-rows{display:grid;gap:8px}
.grid-rows .gr{display:grid;grid-template-columns:1fr 110px 110px 40px;gap:8px;align-items:center}
@media (max-width:560px){.grid-rows .gr{grid-template-columns:1fr 80px 80px 34px}.panel{padding:16px}.kmap td.c{width:46px;height:46px}.results{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}}
.x{background:none;border:0;color:var(--ink-3);cursor:pointer;font-size:20px;border-radius:8px;height:38px}
.x:hover{color:var(--err);background:var(--err-soft)}
.cite{font-family:"Times New Roman",Georgia,serif;font-size:1.05rem;padding:14px 16px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding-left:2.2em;text-indent:-1.2em;line-height:1.6}

@media print{.top,.foot,.nav,.btn,.toolhero .tile{display:none}body{background:#fff}}

@media (max-width:640px){.sechead{flex-wrap:wrap}.sechead>div{flex:1 1 calc(100% - 64px)}.sechead .more{margin-left:62px}}