:root{color-scheme:light;--paper:#f7f8f3;--ink:#172c23;--muted:#52645a;--line:#dce4da;--dark:#143c2f;--leaf:#cef18d;--white:#fff;--shadow:0 14px 38px #12362412}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:#245a43;text-underline-offset:.18em}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #41734c;outline-offset:3px}
.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.skip:focus{position:absolute;z-index:5;background:white;padding:.6rem}
.top{background:#fff;border-bottom:1px solid var(--line)}
.top-inner,.shell{width:min(1216px,calc(100% - 64px));margin:auto}
.top-inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);text-decoration:none;line-height:1.1;white-space:nowrap}
.brand small{display:block;font-size:9px;letter-spacing:.15em;margin-top:5px;color:var(--muted)}
.brand-icon{display:grid;place-items:center;background:var(--dark);color:var(--leaf);width:37px;height:37px;border-radius:10px;font-size:25px}
.top nav{display:flex;gap:5px}
.top button,footer button{border:0;background:transparent;color:var(--muted);padding:8px 12px;border-radius:8px;font-weight:650;font-size:14px}
.top button[aria-current=page]{background:#eaf1e5;color:var(--ink)}
.top .saved{border:1px solid var(--line);color:var(--ink);white-space:nowrap}
.saved b{background:#e9f2dc;border-radius:20px;padding:0 6px;font-size:11px}
.hero{position:relative;display:grid;grid-template-columns:1fr .86fr;min-height:350px;background:var(--dark);color:#f9fff5;border-radius:21px;margin:30px 0 15px;overflow:hidden}
.hero-copy{position:relative;z-index:1;padding:36px 0 37px 43px}
.eyebrow{display:flex;align-items:center;gap:9px;color:#deeddf;font-size:11px;letter-spacing:.13em;font-weight:750}
.eyebrow span{height:8px;width:8px;background:var(--leaf);border-radius:50%}
.eyebrow i{height:3px;width:3px;background:#b5d6b6;border-radius:50%}
h1,h2,h3,p{margin:0}
h1{margin:16px 0 13px;font-size:clamp(53px,6vw,89px);line-height:.89;letter-spacing:-.085em;font-weight:780}
.hero-name{color:var(--leaf);font-size:.9em;white-space:nowrap}
.hero p{font-size:15px;color:#dfebe0;max-width:410px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:23px}
.primary,.secondary,.hero-link,.bookmark{font-size:14px;font-weight:720;border-radius:8px;padding:9px 13px;min-height:42px}
.primary{background:var(--leaf);color:#1a321d;border:1px solid #bbdf7c}
.primary:hover{background:#d9f6a6}
.primary span,.hero-link span{margin-left:6px}
.hero-link{background:transparent;color:#f1f8ee;border:0}
.hero-art{display:grid;place-items:center;pointer-events:none}
.hero-art svg{width:100%;height:100%;max-height:350px;mask-image:linear-gradient(90deg,transparent,#000 15%)}
.stats{display:grid;grid-template-columns:repeat(3,1fr) 1fr;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 6px}
.stats div{padding:0 20px;border-right:1px solid var(--line);display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.stats div:last-child{border:0}
.stats strong{font-size:20px;letter-spacing:-.035em}
.stats span{font-size:12px;color:var(--muted);font-weight:600}
.stats .stats-date strong{font-size:14px;letter-spacing:0}
.workspace{display:grid;grid-template-columns:219px minmax(0,1fr);gap:27px;margin-top:29px;scroll-margin-top:14px}
aside{background:#fff;border:1px solid var(--line);border-radius:13px;padding:12px;height:fit-content;position:sticky;top:14px}
.aside-heading,.kicker{font-size:11px;letter-spacing:.14em;font-weight:800;color:var(--muted)}
.aside-heading{padding:7px 9px 10px}
#subjects{display:grid;gap:4px}
.subject{width:100%;border:0;background:transparent;color:var(--ink);border-radius:8px;display:flex;align-items:center;gap:9px;text-align:left;padding:8px 9px;font-size:14px;font-weight:650;white-space:nowrap}
.subject b{margin-left:auto;font-size:11px;color:var(--muted)}
.subject[aria-current=true]{background:#e8f2d9}
.subject:hover,.top button:hover{background:#eff4e9}
.subject .glyph{width:24px;height:24px;display:grid;place-items:center;border:1px solid #d7e4d6;background:#fff;border-radius:6px;font-size:11px;font-weight:750;line-height:1}
.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin:3px 0 14px}
h2{font-size:clamp(27px,3.7vw,45px);letter-spacing:-.06em;line-height:1.08;margin:5px 0 7px}
.section-title p,.description{color:var(--muted);font-size:14px}
.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}
.secondary:hover,.bookmark:hover{background:#eff4e9}
.track{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin:9px 0 13px}
.track button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 10px;font-size:12px;color:var(--ink)}
.track button[aria-pressed=true]{background:#e7f0d7;border-color:#a6bc91;font-weight:750}
.notice{background:#fbf8e8;border:1px solid #e7dec2;border-radius:10px;padding:11px 14px;font-size:13px;margin:10px 0;color:#504828}
.notice a{font-weight:700}
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:12px 0}
.toolbar input[type=search]{flex:1 1 210px}
.toolbar input[type=search],.toolbar select,textarea{padding:9px 11px;border-radius:8px;border:1px solid #cfdccf;background:#fff;color:var(--ink);min-height:43px}
.check{display:flex;gap:6px;align-items:center;font-size:13px;padding:5px 0}
.count{font-size:12px;color:var(--muted);margin:9px 0;font-weight:650}
.cards{display:grid;gap:10px}
.card,.pattern,.paper,.method,.empty{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 17px}
.card[lang=ml]{line-height:1.7}
.card-top{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:8px}
.pill{background:#edf2ed;color:#354e40;border-radius:99px;padding:3px 8px;font-size:11px;font-weight:700}
.pill.match{background:#e8f1d9;color:#39582a}
.pill.done{background:#d9eee6}
.bookmark{margin-left:auto;min-height:34px;padding:3px 9px;border:1px solid var(--line);color:#1a3929;background:#fff;font-size:19px;line-height:1}
.card h3,.pattern h3,.paper h3,.method h3{font-size:17px;line-height:1.35;letter-spacing:-.02em}
.card p{font-size:15px;margin:5px 0 9px;white-space:pre-line;overflow-wrap:anywhere}
.card details{border-top:1px solid var(--line);padding-top:8px}
summary{cursor:pointer;font-size:13px;font-weight:750;color:#27573e}
.answer{background:#f1f6ec;border-radius:7px;padding:11px;margin-top:9px}
.answer p{margin:0}
.sources{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:10px;font-size:12px}
.pattern p,.paper p,.method p,.empty p{font-size:14px;color:var(--muted);margin-top:6px}
.pattern .pill{display:inline-block;margin-bottom:8px}
.paper-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.method{margin-bottom:11px}
.method ol{padding-left:20px}
.method li{margin-bottom:8px}
footer{display:flex;align-items:center;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);margin:35px 0 0;padding:16px 0 22px;color:var(--muted);font-size:13px}
footer span{margin-right:auto}
dialog{border:1px solid var(--line);border-radius:16px;width:min(680px,calc(100% - 30px));max-height:90vh;box-shadow:var(--shadow);color:var(--ink);background:var(--paper);padding:18px}
dialog::backdrop{background:#0c251b9c}
.exam-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.exam-head h2{font-size:27px}
.timer{font-variant-numeric:tabular-nums;font-weight:800}
.exam-question{margin-bottom:10px;padding:13px;border-radius:10px;border:1px solid var(--line);background:#fff}
.exam-question textarea{width:100%;min-height:65px;margin-top:8px}
.exam-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
.exam-actions output{font-size:14px;font-weight:750}
@media(max-width:850px){.stats{grid-template-columns:repeat(3,1fr)}.stats .stats-date{display:none}.stats div:nth-child(3){border:0}.workspace{grid-template-columns:175px minmax(0,1fr);gap:14px}.top-inner,.shell{width:calc(100% - 34px)}.hero-copy{padding-left:27px}}
@media(max-width:620px){.top-inner,.shell{width:calc(100% - 24px)}.top-inner{height:63px;gap:4px}.brand-icon{width:30px;height:30px;font-size:20px}.brand{font-size:14px;gap:5px}.brand small{display:none}.top nav{gap:0}.top button{font-size:12px;padding:6px}.top .saved span{display:none}.hero{margin-top:14px;grid-template-columns:1fr;min-height:0}.hero-copy{padding:24px 19px}.hero p{font-size:14px;max-width:310px}.hero-art{position:absolute;inset:0 -75px 0 35%;opacity:.39}.hero-art svg{height:100%;max-height:none}.hero-link{padding-inline:0}.stats div{display:block;padding:0 9px}.stats strong{display:block;font-size:17px}.stats span{font-size:10px}.workspace{display:block;margin-top:16px}aside{position:static;margin-bottom:15px;padding:8px}.aside-heading{padding:3px 5px 5px}#subjects{display:flex;overflow-x:auto;gap:4px;padding-bottom:3px}.subject{width:auto;padding:5px 8px;font-size:12px}.subject .glyph,.subject b{display:none}.section-title{align-items:flex-start}.section-title .secondary{font-size:12px;flex:none}.paper-grid{grid-template-columns:1fr}.card{padding:12px}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}button{transition:background-color .15s}}