/* Look A (report card), picked by Doug 2026-10-26. Teal ink, amber grade, light and dark. */
:root{
  --bg:#f4f6f7; --panel:#ffffff; --fg:#16212a; --muted:#4f5f6a; --line:#d4dce1;
  --accent:#0d6e6e; --soft:#e1f0ef; --hi:#b06d0c; --on-accent:#ffffff;
  --good:#1d7a3a; --good-soft:#e3f3e8; --bad:#b23a1e; --bad-soft:#f9e4de;
  --display:"Archivo",system-ui,sans-serif; --body:"IBM Plex Sans",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f171c; --panel:#172229; --fg:#e6edf0; --muted:#a3b3bc; --line:#2b3a43;
  --accent:#4cc2bd; --soft:#163533; --hi:#f0b04e; --on-accent:#0f171c;
  --good:#6fd08f; --good-soft:#163323; --bad:#f08a70; --bad-soft:#3a1d16; color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 var(--body)}
.wrap{max-width:1600px;margin:0 auto;padding:24px 16px 48px;display:flex;flex-direction:column;gap:24px}
h1,h2,h3{font-family:var(--display);line-height:1.15;margin:0;text-wrap:balance}
p{margin:0}
a{color:var(--accent);text-decoration:none;font-weight:600}
a:hover{text-decoration:none;opacity:.85}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--fg);outline-offset:2px}
.top{display:flex;align-items:center;gap:12px;min-height:44px}
.logo{font:800 20px var(--display);color:var(--accent)}
.back{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--line);color:var(--fg);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:600}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}
.hero h1{font-size:clamp(2rem,4vw,3.1rem);font-weight:800}
.hero h1 span{color:var(--accent)}
.sub{font-size:1.15rem;color:var(--muted);margin-top:12px;max-width:60ch}
.form{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:14px;min-width:0;scroll-margin-top:16px}
.form label{font-weight:600;display:flex;flex-direction:column;gap:6px}
.form input,.tool textarea,.tool input{font-size:17px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);width:100%;scroll-margin-bottom:120px}
.chips{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.chips button{background:var(--bg);border:1px solid var(--line);padding:10px 6px;font-size:16px;border-radius:8px;cursor:pointer}
.chips button[aria-pressed="true"]{border:2px solid var(--accent);background:var(--soft);font-weight:600}
.btn{background:var(--accent);color:var(--on-accent);border:0;padding:14px 18px;font-size:18px;font-weight:600;border-radius:8px;cursor:pointer;text-align:center}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.btn[disabled]{opacity:.6;cursor:wait}
.small{font-size:16px;color:var(--muted)}
.err{color:var(--bad);font-weight:600}
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.how div,.box,.subj{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:8px;min-width:0}
.how h3,.box h3{font-size:1.15rem}
.faq{display:flex;flex-direction:column;gap:16px;max-width:75ch}
.faq h2{font-size:1.5rem}
.faq h3{font-size:1.1rem}
footer{border-top:1px solid var(--line);padding-top:16px;font-size:16px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 16px}
footer nav{display:flex;gap:16px;flex-wrap:wrap}
.sum{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}
.sum h2{font-size:1.6rem}
.grade{width:120px;height:140px;border:3px solid var(--accent);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--soft)}
.grade b{font:800 72px/1 var(--display);color:var(--hi)}
.grade span{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.subjects{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.subj b{font:800 28px/1.2 var(--display);overflow-wrap:anywhere}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.list li{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start}
.pill{font:600 14px/1.2 var(--body);padding:4px 10px;border-radius:999px;white-space:nowrap}
.p-good{background:var(--good-soft);color:var(--good)}
.p-bad{background:var(--bad-soft);color:var(--bad)}
.fix{counter-reset:f;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.fix li{counter-increment:f;display:grid;grid-template-columns:36px 1fr;gap:10px}
.fix li::before{content:counter(f);font:800 18px/36px var(--display);text-align:center;border-radius:50%;width:36px;height:36px;background:var(--soft);color:var(--accent)}
.fix .t{font-weight:600}
.cta{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.loading{display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 16px;text-align:center}
.spin{width:44px;height:44px;border:4px solid var(--soft);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}
.tool{display:flex;flex-direction:column;gap:14px;max-width:820px}
.tool pre{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:16px}
.page-row{display:grid;grid-template-columns:1fr 1.4fr;gap:8px}
[hidden]{display:none!important}
@media (max-width:820px){
  .hero,.grid2{grid-template-columns:1fr}
  .subjects{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .how{grid-template-columns:1fr}
  .sum{grid-template-columns:1fr;justify-items:start}
  .cta,.page-row{grid-template-columns:1fr}
}
/* Ad space: reserved so nothing jumps when an ad fills; "Ad space" until AdSense fills it */
.ad{width:100%;max-width:100%;overflow:hidden;min-height:280px;border:1px dashed var(--line);background:var(--panel);border-radius:8px;display:flex;align-items:center;justify-content:center;position:relative}
.ad::before{content:"Ad space";font-size:12px;color:var(--muted)}
.ad ins{width:100%}
.ad:has(ins[data-ad-status="filled"]){border-color:transparent;background:transparent;display:block;padding-top:18px}
.ad:has(ins[data-ad-status="filled"])::before{content:"Advertisement";position:absolute;top:0;left:0}
@media (min-width:768px){.ad{min-height:250px}}