:root{color-scheme:light;--bg:#fffaf2;--surface:#fff;--fg:#2a2640;--mut:#6b6783;--line:#ebe4d6;--acc:#5b4bdb;--acc-d:#4a3bc4;--acc-soft:#eeebff;--warn:#b25e00;--warn-soft:#fff1d6;--sh:0 1px 2px rgba(42,38,64,.05),0 4px 14px rgba(42,38,64,.06)}
.cat-exam{--c:#6d4aff;--cs:#eeeaff}.cat-study{--c:#12a07a;--cs:#dff7ee}.cat-math{--c:#ee7a14;--cs:#ffeedb}.cat-write{--c:#e0457b;--cs:#ffe6ef}.cat-focus{--c:#0f9bb8;--cs:#dff4f9}.cat-util{--c:#3b82f6;--cs:#e3eeff}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 "Nunito","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--acc)}
.ic{flex:none;vertical-align:middle}
.wrap{width:100%;max-width:880px;margin:0 auto;padding:0 18px}
main{flex:1;padding-bottom:48px}
h1{font-size:clamp(26px,5vw,36px);line-height:1.15;margin:18px 0 8px;letter-spacing:-.5px}
h2{font-size:20px;margin:28px 0 10px}
.lead{color:var(--mut);margin:0 0 20px;max-width:60ch}
.muted{color:var(--mut);font-size:14px}
.prose p{max-width:62ch}
/* header / footer */
.site-header{background:rgba(255,250,242,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;color:var(--fg);text-decoration:none;letter-spacing:-.4px}
.brand .mark{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--acc);color:#fff}
.nav nav{display:flex;gap:4px}
.nav nav a{display:flex;align-items:center;gap:6px;color:var(--fg);text-decoration:none;font-size:15px;font-weight:600;padding:7px 12px;border-radius:999px}
.nav nav a:hover{background:var(--acc-soft)}.nav nav a[aria-current]{background:var(--acc-soft);color:var(--acc-d)}
@media(max-width:560px){.nav nav a span{display:none}.nav nav a{padding:9px}}
.site-footer{border-top:1px solid var(--line);color:var(--mut);font-size:13px;padding:18px 0;text-align:center}
/* home */
.hero{text-align:center;padding:clamp(28px,9vh,80px) 0 8px;background:radial-gradient(ellipse 60% 70% at 50% 0,#eeeaff 0,rgba(238,234,255,0) 70%)}
.logo{font-size:clamp(40px,10vw,64px);margin:0;font-weight:800;letter-spacing:-2px;color:var(--fg)}.logo em{font-style:normal;color:var(--acc)}
.tag{color:var(--mut);margin:.4rem 0 1.5rem;font-size:18px}
.searchbox{position:relative;max-width:620px;margin:0 auto}
.searchbox .ic{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--mut)}
#q,.bigsearch{width:100%;font:inherit;font-size:18px;padding:15px 20px 15px 50px;border:2px solid var(--line);border-radius:999px;background:var(--surface);color:var(--fg);outline:none;box-shadow:var(--sh)}
.bigsearch{margin-bottom:18px}
#q:focus,.bigsearch:focus{border-color:var(--acc);box-shadow:0 0 0 4px rgba(91,75,219,.15)}
.status{color:var(--mut);font-size:13px;min-height:1.2em;margin:.5rem 0;text-align:center}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:.6rem 0 1rem}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:999px;padding:7px 14px 7px 10px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;box-shadow:var(--sh)}
.chip .ic{color:var(--c)}.chip:hover{border-color:var(--c)}
.more{margin-top:20px;font-size:14px;color:var(--mut);text-align:center}
.results{list-style:none;padding:0;margin:8px auto 0;max-width:620px;display:grid;gap:12px}
.ad-slot{width:100%;min-height:90px;margin-top:24px}
.section-title{display:flex;align-items:center;gap:8px;margin:34px 0 12px}
/* cards */
.tool-card,.card{border:1px solid var(--line);border-radius:18px;padding:16px;background:var(--surface);box-shadow:var(--sh)}
.tile{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--cs,var(--acc-soft));color:var(--c,var(--acc))}
.tool-card h3{margin:0;font-size:17px;line-height:1.25}
.tool-card p{margin:0;color:var(--mut);font-size:14px}
.tool-card a.open{color:var(--c,var(--acc));font-weight:800;text-decoration:none;font-size:14px;margin-top:4px}
.tool-card a.open:hover{text-decoration:underline}
.tool-card.stretch{position:relative}.tool-card.stretch a.open::after{content:"";position:absolute;inset:0;border-radius:18px}
.tool-card:hover{border-color:var(--c,var(--acc));transform:translateY(-1px)}
.badge{font-size:11px;background:var(--warn-soft);color:var(--warn);border-radius:8px;padding:1px 7px;margin-left:6px;font-weight:700;vertical-align:middle}
.grid-cards{display:grid;gap:12px;grid-template-columns:minmax(0,1fr)}
@media(min-width:560px){.grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}
@media(min-width:760px){.grid-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:900px){.grid-cards{grid-template-columns:repeat(4,minmax(0,1fr))}}
/* tool pages */
.crumb{font-size:13px;color:var(--mut);margin:18px 0 0}.crumb a{color:var(--mut)}
.thead{display:flex;gap:14px;align-items:center;margin:8px 0 6px}.thead h1{margin:0}.thead .tile{width:54px;height:54px;border-radius:16px}
.tool .card{margin-bottom:16px}
.form{display:grid;gap:14px}
label{display:grid;gap:5px;font-size:14px;font-weight:700;color:var(--mut)}
input,select,textarea{font:inherit;font-size:16px;color:var(--fg);background:#fffdf9;border:2px solid var(--line);border-radius:12px;padding:10px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(91,75,219,.15)}
textarea{resize:vertical}
.grid2{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.grid3{display:grid;gap:14px;grid-template-columns:repeat(3,1fr)}
@media(max-width:560px){.grid2,.grid3{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--acc);color:#fff;border:2px solid var(--acc);border-radius:999px;padding:10px 22px;font:inherit;font-weight:800;font-size:15px;cursor:pointer;box-shadow:0 3px 0 var(--acc-d)}
.btn:active{transform:translateY(2px);box-shadow:none}
.btn.ghost{background:var(--surface);color:var(--fg);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--acc)}
.btn:disabled{opacity:.4;cursor:default}
.row{display:flex;gap:10px;align-items:center;margin-top:10px}.row.wrapx{flex-wrap:wrap}.row.center{justify-content:center}
.center{text-align:center}
.result{font-size:20px;font-weight:800;margin:4px 0;color:var(--acc-d)}
.result small{display:block;color:var(--mut);font-weight:600;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.stats div{background:var(--cs);border-radius:14px;padding:10px 12px}.stats b{display:block;font-size:22px;color:var(--c)}.stats span{font-size:12px;color:var(--mut);font-weight:700}
.clock{font-size:clamp(60px,18vw,104px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-3px;color:var(--c)}
.tabs{display:inline-flex;background:#f1ebde;border-radius:999px;padding:4px;align-self:start;justify-self:center}
.tabs button{border:0;background:transparent;color:var(--mut);font:inherit;font-weight:800;font-size:14px;padding:7px 16px;border-radius:999px;cursor:pointer}
.tabs button[aria-selected=true]{background:var(--surface);color:var(--acc-d);box-shadow:var(--sh)}
.steps{margin:6px 0 10px;padding-left:20px;font-size:15px}.steps li{margin:4px 0}.sr{position:absolute;left:-9999px}
/* NEET reorder */
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;position:sticky;top:53px;background:var(--bg);padding:10px 0;z-index:5;border-bottom:1px solid var(--line)}
.toolbar input{flex:1 1 160px;min-width:0;padding:7px 12px}
.summary{color:var(--mut);font-size:14px;font-weight:600}
ol.choices{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:8px}
li.crow{display:grid;grid-template-columns:24px 56px 1fr auto;gap:10px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 12px;box-shadow:var(--sh)}
li.crow.moved{border-left:4px solid var(--warn)}li.crow.flash{background:var(--acc-soft)}
.pos input{width:52px;text-align:center;padding:6px 0;font-weight:800;border-radius:10px}
.ctext{overflow-wrap:anywhere;font-size:14px}
.was{display:inline-block;margin-top:3px;font-size:11px;border:1px solid var(--line);border-radius:6px;padding:0 6px;color:var(--mut);font-weight:700}.was.m{border-color:var(--warn);color:var(--warn);background:var(--warn-soft)}
.btns{display:grid;grid-template-columns:repeat(4,34px);gap:4px}
.btns button{padding:5px 0;border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:8px;cursor:pointer}.btns button:hover{border-color:var(--acc)}
.btns button:disabled{opacity:.3}
.grip{cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;color:var(--mut);text-align:center;font-size:20px;line-height:1}
li.crow.dragging{opacity:.45}li.crow.drop-before{box-shadow:0 -3px 0 var(--acc)}li.crow.drop-after{box-shadow:0 3px 0 var(--acc)}
@media(max-width:520px){li.crow{grid-template-columns:24px 52px 1fr}.btns{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}}
.tablewrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top;font-size:14px}
th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut)}
td.type{font-size:20px;font-weight:800;color:var(--acc)}tr.m td.type{color:var(--warn)}
.hp{position:absolute;left:-9999px}
[hidden]{display:none!important}
@media(min-width:820px){
  .hero{text-align:left}.hero-grid{grid-template-columns:1fr 1fr;gap:24px;align-items:center;text-align:left}
  .hero .searchbox{margin:0}.hero .chips,.hero .status{justify-content:flex-start;text-align:left}.results{margin-left:0}
}
.tool-card.stretch{transition:transform .15s,border-color .15s}
.hero h1.logo{white-space:nowrap}

/* stacked cards */
.tool-card{display:flex;flex-direction:column;gap:6px;padding:14px;border-top:4px solid var(--c,var(--acc));position:relative;overflow:hidden}
.tool-card::after{content:"";position:absolute;right:-26px;top:-26px;width:84px;height:84px;border-radius:50%;background:var(--cs,var(--acc-soft));opacity:.7;z-index:0}
.tool-card>*{position:relative;z-index:1}
.tool-card h3{font-size:16px;margin-top:4px}
.tool-card p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:13px;line-height:1.4}
.tool-card a.open{margin-top:auto;padding-top:6px}
.tool-card .badge{display:inline-block;margin:4px 0 0;width:fit-content}
.results .tool-card{flex-direction:row;align-items:flex-start;flex-wrap:wrap}
.section-title{position:relative}
.section-title::after{content:"";flex:1;height:2px;margin-left:10px;background:linear-gradient(90deg,var(--line),transparent)}
/* hero balance */
.hero{padding-top:clamp(20px,5vh,48px)}

@media(max-width:560px){.chip:nth-child(n+4){display:none}}
/* Hairline hub (MIT, vendored): unframed, wide screens only */
:root{--hairline-plate:#fffaf2;--hairline-hi:#5b4bdb;--hairline-edge:#2a2640;--hairline-mid:#8a85a6;--hairline-lo:#ddd5c4}
.hero-fig{display:none}
@media(min-width:820px){.hero-grid{grid-template-areas:"main fig"}.hero-main{grid-area:main}.hero-fig{display:block;grid-area:fig;min-height:260px;transform:scale(1.12)}.home.active .hero-fig{display:none}}
.hero-grid{display:grid}
/* ads (hidden until enabled; space reserved when shown) */
.ad{margin:22px auto;max-width:728px;text-align:center}.ad[hidden]{display:none}
.ad-label{display:block;font-size:11px;color:var(--mut);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.ad-body{min-height:100px;display:grid;place-items:center}
.ad--preview .ad-body{border:2px dashed var(--line);border-radius:12px;color:var(--mut);font-size:13px;background:#fff8}
.ad-inline{grid-column:1/-1;max-width:none}
.consent{position:fixed;left:12px;right:12px;bottom:12px;z-index:50;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px 16px;box-shadow:0 8px 30px rgba(42,38,64,.2);display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;max-width:720px;margin:0 auto}
.consent p{margin:0;font-size:14px}
/* content and footer */
.tool-copy{margin:28px 0 8px}.tool-copy dt{font-weight:800;margin-top:12px}.tool-copy dd{margin:2px 0 0;color:var(--mut)}
.seo-copy{margin-top:34px;color:var(--mut)}.seo-copy h2{color:var(--fg)}
.brand .mark-svg{border-radius:9px;flex:none}
.site-footer p{margin:4px 0}
.chips{min-height:120px;align-content:flex-start}@media(max-width:560px){.chips{min-height:150px}}

/* one card per row on phones: icon beside the title, text full width */
@media(max-width:559px){
  .tool-card{display:grid;grid-template-columns:auto 1fr;column-gap:12px;row-gap:6px;align-items:center;padding:14px 16px}
  .tool-card .tile{grid-row:1;grid-column:1}.tool-card h3{grid-column:2;grid-row:1;margin:0;font-size:17px}
  .tool-card p,.tool-card a.open{grid-column:1/-1}.tool-card p{-webkit-line-clamp:2;font-size:14px}
  .tool-card .badge{margin-left:6px}
  .results .tool-card{display:grid}
}
.bigsearch{padding-left:20px}
.hero.wrap{padding-left:18px;padding-right:18px}

/* request form */
.stack{display:grid;gap:14px}.card .stack{margin:0}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:600;color:var(--fg);font-size:15px}.check input{width:20px;height:20px;margin:2px 0 0;flex:none;accent-color:var(--acc)}
.muted:empty{display:none}.stack .muted{margin:0}
#request{padding:16px}
@media(max-width:559px){.btn.block{width:100%;justify-content:center}}