:root{--bg:#f7f8fa;--card:#fff;--text:#1b2430;--muted:#5a6675;--line:#dfe3e8;--brand:#0f766e;--brand-d:#0b5a54;--accent:#e8f5f3;--warn:#b42318;--r:10px}
@media (prefers-color-scheme:dark){:root{--bg:#10151b;--card:#18202a;--text:#e6ebf1;--muted:#a1adbb;--line:#2a3542;--brand:#2dd4bf;--brand-d:#5eead4;--accent:#14302e;--warn:#fda29b}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--brand-d);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding-top:12px;padding-bottom:12px}
.brand{font-weight:800;font-size:1.25rem;color:var(--text);text-decoration:none;letter-spacing:-.02em}
.brand span{color:var(--brand)}
nav.main a{margin-right:14px;color:var(--text);text-decoration:none;font-weight:600;font-size:.95rem}
nav.main a:hover{color:var(--brand-d);text-decoration:underline}
main{padding:20px 0 40px}
h1{font-size:1.75rem;line-height:1.25;margin:.4em 0 .3em;letter-spacing:-.02em}
h2{font-size:1.35rem;line-height:1.3;margin:1.6em 0 .5em}
h3{font-size:1.1rem;margin:1.2em 0 .3em}
p,ul,ol{margin:.6em 0}
.lead{color:var(--muted);font-size:1.05rem;margin-top:0}
.crumbs{font-size:.85rem;color:var(--muted);margin:0}
.crumbs a{color:var(--muted)}
.tool,.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:16px 0}
.row{display:flex;flex-wrap:wrap;gap:12px}
.field{flex:1 1 150px;display:flex;flex-direction:column;gap:4px;min-width:0}
label,.lbl{font-size:.88rem;font-weight:600}
input,select,textarea,button{font:inherit;color:inherit}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);min-height:44px}
textarea{min-height:170px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid var(--brand);outline-offset:1px}
.check{display:flex;align-items:center;gap:8px;font-weight:500;min-height:32px}
.check input{width:auto;min-height:0;accent-color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:10px 16px;font-weight:700;cursor:pointer;min-height:44px}
@media (prefers-color-scheme:dark){.btn{color:#04201d}}
.btn:hover{background:var(--brand-d)}
.btn.alt{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.alt:hover{background:var(--accent)}
.btns{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:12px 0}
.stat{background:var(--accent);border-radius:8px;padding:10px 12px}
.stat .v{display:block;font-size:1.4rem;font-weight:800;line-height:1.2;overflow-wrap:anywhere}
.stat .l{font-size:.8rem;color:var(--muted)}
.result{background:var(--accent);border-radius:8px;padding:12px 14px;margin-top:12px;min-height:3em;overflow-wrap:anywhere}
.result strong{font-size:1.15rem}
.err{color:var(--warn);font-weight:600}
.calc{border-top:1px solid var(--line);padding:12px 0}
.calc:first-child{border-top:0;padding-top:0}
.calc p{margin:.2em 0 .6em;font-weight:600}
.inline{display:inline-block;width:6.5em;margin:0 4px}
.inline.wide{width:8em}
table{width:100%;border-collapse:collapse;font-size:.92rem;margin:10px 0}
th,td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:right}
th:first-child,td:first-child{text-align:left}
.tablewrap{overflow-x:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;padding:0;list-style:none}
.grid li{margin:0}
.grid a.tile{display:block;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;text-decoration:none;color:var(--text)}
.grid a.tile:hover{border-color:var(--brand)}
.tile b{display:block;color:var(--brand-d);margin-bottom:2px}
.tile span{font-size:.9rem;color:var(--muted)}
.faq h3{margin-bottom:.2em}
.related{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none}
.related a{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:6px 14px;background:var(--card);text-decoration:none;font-weight:600;font-size:.92rem}
.note{font-size:.85rem;color:var(--muted)}
.ad-slot{margin:16px 0;text-align:center;overflow:hidden}
.ad-slot:empty{display:none}
footer.site{border-top:1px solid var(--line);background:var(--card);padding:20px 0;font-size:.9rem;color:var(--muted)}
footer.site a{margin-right:14px}
.hero{padding:10px 0 4px}
.pw{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.15rem;word-break:break-all}
@media (max-width:520px){h1{font-size:1.5rem}.inline{width:5.5em}}
noscript .card{border-color:var(--warn)}
.sr-only{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.sr-only:focus{left:8px;top:8px;width:auto;height:auto;overflow:visible;background:var(--card);color:var(--text);padding:8px 12px;z-index:10;border-radius:6px}
#gpa-rows select,#gpa-rows input{min-width:84px}
#gpa-rows td:first-child input{min-width:120px}
#gpa-rows td{padding:4px}