/* Shared look for the free tool pages (grade, final, Pomodoro, BMI, calorie). Matches the home page. */
:root{--bg:#1B1B1B;--bg2:#151515;--panel:#232323;--panel2:#2D2D2C;--ink:#EFEEE8;--muted:#A6A59E;--line:#3A3A38;--accent:#EFEEE8;--accent-ink:#1B1B1B;--display:"Big Shoulders Display",Impact,"Arial Narrow",sans-serif;--ease-out:cubic-bezier(0.23,1,0.32,1);color-scheme:dark}
@media (prefers-color-scheme:light){:root:not(.themed){--bg:#EFEEE8;--bg2:#E5E4DD;--panel:#F8F7F3;--panel2:#E6E5DE;--ink:#1B1B1B;--muted:#55544F;--line:#D3D2CA;--accent:#1B1B1B;--accent-ink:#EFEEE8;color-scheme:light}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.skip{position:absolute;left:-9999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 12px;border-radius:8px;z-index:200}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.mk{display:block;background:currentColor;-webkit-mask:url(/brand/dd-mark-256.png) center/contain no-repeat;mask:url(/brand/dd-mark-256.png) center/contain no-repeat}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);background:color-mix(in srgb,var(--bg) 84%,transparent);border-bottom:1px solid color-mix(in srgb,var(--line) 80%,transparent);padding-top:env(safe-area-inset-top,0px)}
.nav .wrap{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 20px/1 var(--display);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.brand .mk{width:30px;height:26px}
.nav ul{display:flex;gap:2px;list-style:none;margin:0 0 0 auto;padding:0}
.nav ul a{display:block;padding:8px 10px;border-radius:9px;text-decoration:none;color:var(--muted);font-weight:600;font-size:14px;white-space:nowrap}
.nav ul a:hover,.nav ul a[aria-current=page]{color:var(--ink);background:var(--panel2)}
.nav .lang{display:block}
.nav .lang select{min-height:36px;width:auto;padding:4px 8px;font-size:14px;border-radius:10px;background:var(--panel)}

.nav .more{margin-left:auto;padding:8px 10px;border-radius:9px;text-decoration:none;color:var(--muted);font-weight:600;font-size:14px;white-space:nowrap}
.nav .more:hover{color:var(--ink);background:var(--panel2)}
.nav .more{display:block}
@media (max-width:560px){.nav .more{display:none}.nav .lang{margin-left:auto}.brand .bt{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;min-height:44px;padding:0 18px;border-radius:12px;font:700 15px/1 inherit;font-family:inherit;text-decoration:none;border:1.5px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;transition:transform .14s var(--ease-out),border-color .15s ease,background-color .15s ease}
@media (hover:hover) and (pointer:fine){.btn:hover{border-color:var(--ink)}}
.btn:active{transform:scale(.97)}
.btn.pri{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.small{min-height:36px;padding:0 12px;font-size:14px;border-radius:10px}
h1,h2{overflow-wrap:anywhere;hyphens:auto;font-family:var(--display);text-transform:uppercase;font-weight:900;letter-spacing:.01em;line-height:.95}
.hero{padding-top:clamp(32px,6vw,64px);padding-bottom:clamp(20px,3vw,32px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:800 13px/1 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor}
.hero h1{font-size:clamp(44px,7vw,84px);margin:12px 0 14px}
.hero p{margin:0;color:var(--muted);font-size:clamp(16px,1.8vw,19px);max-width:40em}
/* the calculator card */
.tool{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:20px;align-items:start;padding-bottom:clamp(40px,6vw,64px)}
@media (max-width:860px){.tool{grid-template-columns:1fr}}
.card{background:var(--panel);border:1.5px solid var(--ink);border-radius:6px;padding:20px;box-shadow:5px 5px 0 var(--ink)}
.card h2{font-size:28px;margin:0 0 14px}
.out{position:sticky;top:80px}
@media (max-width:860px){.out{position:static}}
label{display:grid;gap:5px;font-size:14px;font-weight:600}
input,select{font:inherit;font-size:16px;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;min-height:44px;width:100%}
input:focus,select:focus{border-color:var(--ink);outline:none}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px}
.seg{display:inline-flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.seg button{font:600 14px/1 inherit;font-family:inherit;min-height:38px;padding:0 14px;border-radius:999px;border:1.5px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;transition:transform .14s var(--ease-out),border-color .15s ease}
.seg button:active{transform:scale(.96)}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.big{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:4px 0 6px}
.big b{font:900 clamp(56px,8vw,84px)/.9 var(--display);font-variant-numeric:tabular-nums}
.big span{font-size:18px;font-weight:700}
.muted{color:var(--muted)}
.note{color:var(--muted);font-size:14px;margin:12px 0 0}
.list{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.list li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:8px;font-variant-numeric:tabular-nums}
.list li b{text-align:right}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:15px}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}
th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
td.n,th.n{text-align:right}
tr.hi td{font-weight:800}
.rows{display:grid;gap:8px}
.row{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) 44px;gap:8px;align-items:end}
.row .x{min-height:44px;border:0;background:transparent;color:var(--muted);font-size:22px;cursor:pointer;border-radius:10px}
.row .x:hover{color:var(--ink);background:var(--panel2)}
@media (max-width:520px){.row{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 44px}.row label:first-child{grid-column:1/-1}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* "Save this in Digital Dash" */
.save{margin-top:18px;padding:16px;border:1.5px dashed var(--ink);border-radius:6px;display:grid;gap:10px}
.save b{font:900 22px/1 var(--display);text-transform:uppercase}
.save p{margin:0;color:var(--muted);font-size:14px}
.save .go{display:flex;gap:8px;flex-wrap:wrap}
.save .go input{flex:1 1 180px;width:auto}
/* explainer, FAQ, related */
.prose{max-width:760px;padding-bottom:clamp(40px,6vw,64px)}
.prose h2{font-size:clamp(30px,4vw,44px);margin:36px 0 10px}
.prose p,.prose li{color:var(--muted)}
.prose strong{color:var(--ink)}
.formula{font:600 15px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px 14px;color:var(--ink);overflow-x:auto}
details{border-bottom:1px solid var(--line);padding:14px 0}
details summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px;color:var(--ink)}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--muted)}
details[open] summary::after{content:"−"}
details p{margin:8px 0 0}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:14px}
.related a{display:block;text-decoration:none;padding:16px;border:1.5px solid var(--line);border-radius:6px;background:var(--panel);transition:border-color .15s ease,transform .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.related a:hover{border-color:var(--ink);transform:translateY(-2px)}}
.related b{display:block;font:900 22px/1 var(--display);text-transform:uppercase;margin-bottom:4px}
.related span{color:var(--muted);font-size:14px}
.bar{position:relative;height:12px;border-radius:6px;margin:16px 0 22px;background:linear-gradient(90deg,#6aa9ff 0 14%,#5ec27a 14% 40%,#f2c14e 40% 60%,#ef7a55 60% 100%)}
.bar i{position:absolute;top:-5px;width:4px;height:22px;margin-left:-2px;border-radius:2px;background:var(--ink);box-shadow:0 0 0 2px var(--bg);transition:left .5s var(--ease-out)}
.bar span{position:absolute;top:18px;font-size:12px;color:var(--muted);transform:translateX(-50%)}
.bar span:first-of-type{transform:none}.bar span:last-of-type{transform:translateX(-100%)}
footer{border-top:1px solid var(--line);padding:28px 0 calc(28px + env(safe-area-inset-bottom,0px));color:var(--muted);font-size:14px}
footer .wrap{display:flex;gap:10px 24px;flex-wrap:wrap;align-items:center}
footer .mk{width:22px;height:19px;color:var(--ink)}
footer nav{display:flex;gap:16px;margin-left:auto;flex-wrap:wrap}
footer a{text-decoration:none}
footer a:hover{color:var(--ink)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
/* related strip on tool pages: stays in the content column */
.more-tools{padding-bottom:clamp(40px,6vw,64px)}
.more-tools h2{font-size:clamp(30px,4vw,44px);margin:0 0 14px}
.nav .more[aria-current=page]{color:var(--ink);background:var(--panel2)}
/* hub (/tools): a printed ledger, one row per tool with a small live preview */
.hub-hero{padding-bottom:clamp(28px,4vw,44px)}
.tl{list-style:none;margin:0;padding:0;border-top:3px solid var(--ink)}
.tr a{display:grid;grid-template-columns:72px minmax(0,1fr) 290px 40px;gap:12px 28px;align-items:center;padding:26px 0;border-bottom:1.5px solid var(--ink);text-decoration:none;color:inherit}
.tn{font:900 52px/.8 var(--display);color:transparent;-webkit-text-stroke:1.5px var(--ink);transition:color .25s ease}
.tx{display:grid;gap:6px;min-width:0}
.tx b{font:900 clamp(30px,3.6vw,48px)/.92 var(--display);text-transform:uppercase;overflow-wrap:anywhere}
.tx span{color:var(--muted);font-size:16px}
.tdemo{display:grid;gap:6px;align-content:center;min-height:112px;padding:14px 16px;border:1.5px solid var(--ink);border-radius:4px;background:var(--panel);box-shadow:5px 5px 0 var(--ink);font-variant-numeric:tabular-nums;transition:transform .2s var(--ease-out),box-shadow .2s var(--ease-out)}
.tdemo strong{font:900 40px/1 var(--display)}
.tdemo small{font-size:12.5px;color:var(--muted)}
.tdemo .g-rows{display:grid;grid-template-columns:1fr auto;gap:2px 12px;font-size:13px}
.tdemo .g-rows i{font-style:normal;color:var(--muted)}.tdemo .g-rows em{font-style:normal;text-align:right;font-weight:700}
.tdemo .g-out{display:flex;align-items:baseline;gap:10px;border-top:1.5px dashed var(--line);padding-top:6px}
.tdemo .pbar{display:block;height:5px;border-radius:3px;background:color-mix(in srgb,var(--ink) 14%,transparent);overflow:hidden}
.tdemo .pbar i{display:block;height:100%;background:var(--ink);transform:scaleX(0);transform-origin:0 50%;transition:transform 1s linear}
.tdemo .b-top{display:flex;align-items:baseline;gap:10px}
.bar.mini{margin:8px 0 2px;height:8px}.bar.mini i{top:-4px;height:16px}
.tdemo .c-bars{display:flex;gap:10px;align-items:flex-end;height:54px}
.tdemo .c-bars span{display:grid;justify-items:center;gap:3px;flex:1}
.tdemo .c-bars i{display:block;width:100%;height:calc(var(--h) * 34px);border-radius:3px;background:repeating-linear-gradient(180deg,var(--ink) 0 8px,transparent 8px 11px);opacity:.45}
.tdemo .c-bars .on i{opacity:1}
.tdemo .c-out{display:flex;align-items:baseline;gap:8px}
.tdemo .c-out strong{font-size:32px}
.go{justify-self:end;transition:transform .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.tr a:hover .tn{color:var(--ink)}.tr a:hover .tdemo{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}.tr a:hover .go{transform:translateX(4px)}}
.tr a:active .tdemo{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--ink);transition-duration:.1s}
.tr a:focus-visible{outline-offset:-2px}
@media (max-width:860px){.tr a{grid-template-columns:52px minmax(0,1fr) 28px;grid-template-areas:"n x g" "d d d"}.tn{grid-area:n;font-size:40px;align-self:start}.tx{grid-area:x}.go{grid-area:g;align-self:start}.tdemo{grid-area:d;margin-top:6px}}
.hub-cta{margin:clamp(40px,6vw,72px) auto}
.hub-cta>div{display:flex;align-items:center;justify-content:space-between;gap:24px 40px;flex-wrap:wrap;padding:clamp(28px,4vw,40px) 0;border-top:3px solid var(--ink);border-bottom:1.5px solid var(--ink)}
.hub-cta>div>div{flex:1 1 420px}
.hub-cta h2{font-size:clamp(34px,4.4vw,54px);margin:0 0 10px}
.hub-cta p{margin:0;color:var(--muted);font-size:17px;max-width:34em}
.hub-cta ul{display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none;margin:14px 0 0;padding:0;font-size:14px;font-weight:700}
.hub-cta ul li::before{content:"✓ ";color:var(--muted)}
.btn.lg{min-height:54px;padding:0 26px;font-size:16px;border-radius:14px}
/* rows rise in as they scroll into view */
.rvjs .rv{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
.rvjs .rv.in{opacity:1;transform:none}