:root{--bg:#f8fafc;--card:#fff;--soft:#eef2ff;--text:#17223b;--sub:#526079;--line:#dce2ee;--primary:#6366f1;--gradient:linear-gradient(125deg,#6366f1,#8b5cf6 58%,#db2777);color-scheme:light}
:root[data-theme=dark]{--bg:#0b1220;--card:#121e32;--soft:#1a2942;--text:#f1f5f9;--sub:#bdc9dc;--line:#31425b;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 Tahoma,Arial,sans-serif}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}:focus-visible{outline:3px solid #a855f7;outline-offset:4px}header{position:sticky;top:0;background:var(--card);border-bottom:1px solid var(--line);z-index:10}.wrap{max-width:1180px;margin:auto;padding:0 24px}.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:80px;flex-wrap:wrap;padding-block:14px}.logo{font:900 25px/1.2 Arial,sans-serif;letter-spacing:-1px;direction:ltr;color:var(--primary)}.controls,nav,.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.controls select{max-width:125px}button,.button,select{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:10px;padding:9px 15px}.primary,.button{display:inline-block;background:var(--gradient);color:white;border:0;font-weight:bold}.button:hover{text-decoration:none;filter:brightness(1.1)}.icon{padding:8px 12px}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:var(--card);z-index:20}main{min-height:75vh;padding-bottom:70px}.hero{text-align:center;padding:64px 12px 40px;background:radial-gradient(ellipse at 30% 20%,#8b5cf61a,transparent 65%)}.eyebrow{display:inline-block;color:var(--primary);border:1px solid var(--line);background:var(--card);border-radius:99px;padding:5px 16px;font-size:13px}h1{font-size:clamp(28px,4.6vw,48px);line-height:1.4;letter-spacing:-1px;margin:20px 0 12px}h2{font-size:23px;margin:36px 0 16px}h3{font-size:18px}.hero p,.muted{color:var(--sub)}.hero p{max-width:680px;margin:12px auto 24px}.search{max-width:600px;margin:auto}.search input{border-radius:99px;padding:17px 24px}.category-nav{justify-content:center;margin:25px 0}.category-nav a{border:1px solid var(--line);background:var(--card);padding:6px 16px;border-radius:99px;color:var(--sub);font-size:14px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:16px}.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:0 12px 32px #6366f11c}.card>a{display:block;padding:24px;min-height:170px;color:var(--text)}.card>a:hover{text-decoration:none}.card .emoji{display:flex;width:48px;height:48px;align-items:center;justify-content:center;background:var(--soft);border-radius:14px;font-size:25px;margin-bottom:15px}.card strong{display:block;padding-inline-end:20px}.card small{color:var(--sub)}.fav{position:absolute;inset-inline-end:10px;top:10px;border:0;padding:3px 9px;background:var(--soft)}.back{display:inline-block;margin:30px 0 10px}.tool-head{margin-bottom:24px}.tool-head h1{font-size:32px}.panel,.page{padding:clamp(20px,4vw,36px);background:var(--card);border:1px solid var(--line);border-radius:20px;max-width:900px;margin:20px auto}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:14px;font-weight:bold}.field.wide{grid-column:1/-1}input,select,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);min-width:0}input[type=checkbox]{width:20px;height:20px}textarea{min-height:120px;resize:vertical}form>.actions{margin-top:22px}.result{margin-top:24px;border:1px solid #10b98170;background:#10b9810b;border-radius:12px;padding:22px;overflow-wrap:anywhere}.result[hidden]{display:none}.result .big{display:block;font-size:30px;font-weight:bold;color:#09865e;line-height:1.5;margin-block:8px}.result dl{margin:0}.result dt{color:var(--sub);font-size:14px}.result dd{margin:0 0 12px;font-size:22px;font-weight:bold}.error{border-color:#ef444480;background:#ef44440b;color:var(--text)}.note{font-size:14px;padding:13px 17px;border-inline-start:3px solid var(--primary);background:var(--soft);margin:18px 0}.result-actions{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.empty{text-align:center;color:var(--sub);padding:30px}.gpa-row{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:8px;margin:12px 0}.files{padding:20px;border:2px dashed var(--line);border-radius:12px;margin-bottom:16px}.files.drag{border-color:var(--primary)}.file-row{display:flex;gap:8px;align-items:center;padding:10px;border-bottom:1px solid var(--line)}.file-row span{flex:1;overflow-wrap:anywhere}.file-row button{padding:4px 10px}.downloads{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.preview{max-width:100%;max-height:300px;display:block;margin:16px auto}.sources{font-size:13px;border-top:1px solid var(--line);margin-top:24px;padding-top:16px}.sources a{margin-inline-end:12px}footer{border-top:1px solid var(--line);background:var(--card);padding:30px 0;text-align:center;color:var(--sub);font-size:13px}footer nav{justify-content:center;margin-bottom:18px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:10px 20px;border-radius:99px;background:var(--text);color:var(--bg);z-index:50}section[id]{scroll-margin-top:130px}.badge{font-size:12px;color:var(--sub)}.page p{margin-block:16px}.page li{margin-block:8px}#qr-output{background:white;padding:20px;display:table;margin:20px auto}#qr-output:empty{display:none}
@media(max-width:650px){.wrap{padding:0 16px}.bar{gap:10px}.logo{font-size:23px}.controls{gap:6px}.controls select{max-width:100px;padding:8px}.hero{padding-top:40px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card>a{padding:16px;min-height:160px}.card strong{font-size:14px}.fields{grid-template-columns:1fr}.gpa-row{grid-template-columns:1fr 1fr}.gpa-row button{width:100%}.panel{padding:20px}.category-nav{gap:7px}.category-nav a{font-size:12px;padding:5px 10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{header,footer,.back,form,.result-actions,.controls,#toast,.sources{display:none!important}.panel,body{background:white;color:black;border:0}.result{border:1px solid #aaa}.result .big{color:black}main{min-height:0}}
[hidden]{display:none!important}

.controls{flex-wrap:nowrap}.controls select{width:auto}.trust-chips{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:24px auto;color:var(--sub);font-size:12px}.trust-chips span{padding:5px 13px;border:1px solid var(--line);border-radius:99px;background:var(--card)}.trust-chips span::before{content:'✓ ';color:#10b981}.quick-start{padding:0 0 16px}.quick-start h2{text-align:center;font-size:20px}.quick-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quick-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--card);border:1px solid var(--line);padding:18px;border-radius:14px;color:var(--text);font-weight:bold;font-size:14px}.quick-links a:hover{border-color:var(--primary);text-decoration:none}.tool-guide{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);color:var(--sub);font-size:15px;line-height:2}.tool-guide h2,.tool-guide h3{color:var(--text)}.tool-guide ol{padding-inline-start:24px}.tool-guide details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-top:20px}.tool-guide summary{cursor:pointer;font-weight:bold;color:var(--text)}.text-output{white-space:pre-wrap;overflow-wrap:anywhere;direction:ltr;text-align:left;font:14px/1.8 Consolas,monospace;max-height:600px;overflow:auto}.diff-added{background:#10b98122;display:block}.diff-removed{background:#ef444422;display:block}.page-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;margin-block:16px}.page-tile{border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:12px;text-align:center}.page-tile img{display:block;width:100%;height:180px;object-fit:contain;background:white;margin-bottom:10px}.page-tile span{display:block}.page-tile button{padding:4px 10px;margin:3px}
@media(max-width:650px){.quick-links{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-links a{font-size:12px;padding:12px}.controls{gap:6px}.hero h1{font-size:36px}.trust-chips{gap:5px}.trust-chips span{font-size:11px;padding:4px 8px}}

.repeat-row{border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0}.repeat-row legend{font-weight:bold;color:var(--primary)}.remove-row{margin-top:14px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;margin-block:16px;font-size:14px}th,td{padding:10px;border:1px solid var(--line);text-align:start}th{background:var(--soft)}td{unicode-bidi:plaintext}dd{unicode-bidi:plaintext}.equation-graph{display:block;width:100%;max-height:350px;margin:20px 0}.worksheet{padding-inline-start:30px}.worksheet li{padding:10px;font:18px/1.8 Consolas,monospace}.directory-list{columns:2;padding-inline-start:22px}.directory-list li{break-inside:avoid;margin-bottom:8px}.focus-toggle{display:block;margin-inline-start:auto;margin-bottom:16px}.tool-focus header,.tool-focus footer,.tool-focus #content>*:not(.panel),.tool-focus .tool-guide,.tool-focus .sources{display:none!important}.tool-focus main{max-width:none;padding:10px}.tool-focus .panel{max-width:1400px;margin:0 auto;min-height:95vh}.tool-focus .focus-toggle{position:sticky;top:8px;z-index:11}.share-dialog{width:min(600px,94vw);max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:18px;padding:24px;background:var(--card);color:var(--text)}.share-dialog::backdrop{background:#0009}.share-dialog textarea{margin-block:12px}.check-label{display:flex;gap:8px;align-items:center}.share-dialog h2{margin-top:0}.share-dialog label{font-weight:bold}.page form>.primary{margin-top:20px}
@media(max-width:650px){.directory-list{columns:1}.controls{flex-wrap:wrap}.controls a{font-size:12px}.repeat-row{padding:12px}.tool-focus .panel{padding:16px}}
@media print{.focus-toggle,.share-dialog,.remove-row,#add-repeat{display:none!important}.answer-key{display:block}}
#toast{width:max-content;max-width:calc(100vw - 32px);text-align:center;pointer-events:none}