/* Cristal — estilos. Estética lavanda gamificada, títulos condensados (Oswald), modo claro y oscuro. */
@font-face{font-family:"Inter";src:url(fonts/inter-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Oswald";src:url(fonts/oswald-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Oswald";src:url(fonts/oswald-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Oswald";src:url(fonts/oswald-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}

:root{
  --bg:#f3f3fb; --bg-top:#f8f7fd; --surface:#ffffff; --soft:#f2f0fb; --soft2:#e9e6f7; --line:#e6e4f3; --track:#ecebf8;
  --ink:#1d1a3a; --ink2:#34304f; --muted:#5f5b7a;
  --brand:#1d1a3a; --accent:#5b4be0; --accent-ink:#4636c4; --accent-soft:#efecfd; --on-accent:#ffffff; --teal:#0f8f80;
  --good:#15803d; --goodsoft:#e9f8ef; --bad:#be123c; --badsoft:#fff1f3; --warn:#a15c07; --warnsoft:#fff6e3;
  --A:#e5566e; --T:#e0a800; --G:#1fa88f; --C:#4a7cf0; --U:#8e5bd0; --P:#f08a24; --S:#7c8db5; --H:#6d5bd0;
  --stage:#16142e; --stage2:#29245c; --stage-ink:#eeecff; --stage-muted:#b1abd9;
  --s-base:#0d9488; --s-energia:#ea580c; --s-herencia:#7c3aed; --s-biodiv:#16a34a; --s-organismos:#65a30d; --s-extra:#64748b;
  --sd-base:#0f766e; --sd-energia:#c2410c; --sd-herencia:#6d28d9; --sd-biodiv:#15803d; --sd-organismos:#4d7c0f; --sd-extra:#475569;
  --side-bg:rgba(255,255,255,.72);
  --shadow:0 8px 22px rgba(80,66,180,.07); --shadow-lg:0 14px 34px rgba(80,66,180,.13);
  --display:"Oswald","Arial Narrow","Roboto Condensed",sans-serif;
  --body:"Inter","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:22px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0f0e21; --bg-top:#17152f; --surface:#1c1a35; --soft:#232045; --soft2:#2b2852; --line:#2f2c55; --track:#2f2c55;
  --ink:#eeecff; --ink2:#d6d2f3; --muted:#aaa6cc;
  --brand:#eeecff; --accent:#9d8cff; --accent-ink:#b9adff; --accent-soft:#29245a; --on-accent:#14122b; --teal:#2dd4bf;
  --good:#4ade80; --goodsoft:#12301f; --bad:#fb7185; --badsoft:#3a1424; --warn:#fbbf24; --warnsoft:#33270d;
  --s-base:#2dd4bf; --s-energia:#fb923c; --s-herencia:#c4b5fd; --s-biodiv:#4ade80; --s-organismos:#a3e635; --s-extra:#94a3b8;
  --side-bg:rgba(23,21,47,.85);
  --shadow:0 8px 22px rgba(0,0,0,.25); --shadow-lg:0 14px 40px rgba(0,0,0,.4);
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f0e21; --bg-top:#17152f; --surface:#1c1a35; --soft:#232045; --soft2:#2b2852; --line:#2f2c55; --track:#2f2c55;
  --ink:#eeecff; --ink2:#d6d2f3; --muted:#aaa6cc;
  --brand:#eeecff; --accent:#9d8cff; --accent-ink:#b9adff; --accent-soft:#29245a; --on-accent:#14122b; --teal:#2dd4bf;
  --good:#4ade80; --goodsoft:#12301f; --bad:#fb7185; --badsoft:#3a1424; --warn:#fbbf24; --warnsoft:#33270d;
  --s-base:#2dd4bf; --s-energia:#fb923c; --s-herencia:#c4b5fd; --s-biodiv:#4ade80; --s-organismos:#a3e635; --s-extra:#94a3b8;
  --side-bg:rgba(23,21,47,.85);
  --shadow:0 8px 22px rgba(0,0,0,.25); --shadow-lg:0 14px 40px rgba(0,0,0,.4);
  color-scheme:dark;
}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:linear-gradient(180deg,var(--bg-top),var(--bg) 600px) fixed,var(--bg);color:var(--ink);font-family:var(--body);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
a{color:var(--accent-ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;text-wrap:balance;line-height:1.12;margin:0;letter-spacing:.01em}
p{margin:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--accent);color:var(--on-accent);padding:8px 14px;border-radius:10px}
.skip:focus{left:8px}
.dot{width:9px;height:9px;border-radius:99px;background:var(--c,var(--accent));display:inline-block;flex:none}
.k{font:600 11px var(--body);letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.cr.off{color:var(--line)}

/* ---------- estructura ---------- */
.app{display:grid;grid-template-columns:272px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;overflow:auto;padding:22px 14px;display:flex;flex-direction:column;gap:16px;background:var(--side-bg);border-right:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:12px;padding:2px 8px;text-decoration:none;color:var(--ink)}
.brand b{font:600 22px var(--display);letter-spacing:.2em;display:block;line-height:1.1}
.brand small{color:var(--muted);font-size:12px}
.side-level{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:16px;background:var(--accent-soft)}
.side-level .lvl{width:34px;height:34px;border-radius:99px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;font:600 16px var(--display);flex:none}
.side-level b{display:block;font-size:13px;line-height:1.3}
.side-level small{color:var(--muted);font-size:11.5px}
.nav{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;text-decoration:none;color:var(--ink2);font-weight:600;font-size:14.5px}
.nav a svg{color:var(--muted);flex:none}
.nav a:hover{background:var(--soft)}
.nav a.on{background:var(--surface);color:var(--accent-ink);box-shadow:var(--shadow)}
.nav a.on svg{color:var(--accent)}
.nav em{margin-left:auto;font-style:normal;font-size:11.5px;font-weight:700;background:var(--accent);color:var(--on-accent);border-radius:99px;padding:1px 8px}
.side-stages{display:grid;gap:12px;padding:4px 4px 0;border-top:1px solid var(--line);padding-top:14px}
.sst{display:grid;gap:1px}
.sst-h{display:flex;align-items:center;gap:8px;font:600 11px var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:2px 8px 4px}
.sst a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px 6px 25px;border-radius:10px;text-decoration:none;color:var(--ink2);font-size:13.5px;line-height:1.3}
.sst a:hover{background:var(--soft)}
.sst a.on{background:var(--soft2);color:var(--ink);font-weight:600}
.sst a small{color:var(--muted);font-size:11.5px;font-variant-numeric:tabular-nums}
.side-foot{margin-top:auto;color:var(--muted);font-size:12px;padding:0 8px}
main{min-width:0}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;min-height:60px;padding:8px max(20px,env(safe-area-inset-right,0px)) 8px max(20px,env(safe-area-inset-left,0px));background:color-mix(in srgb,var(--bg-top) 80%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.ibtn{width:44px;height:44px;border-radius:99px;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;flex:none}
.menu-btn{display:none}
.crumb{font-size:13.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1}
.crumb b{color:var(--ink)}
.page{max-width:1000px;margin:0 auto;padding:26px max(20px,env(safe-area-inset-right,0px)) 80px max(20px,env(safe-area-inset-left,0px));display:grid;gap:26px;grid-template-columns:minmax(0,1fr)}
.page:focus{outline:none}
.scrim{display:none}
.bnav{display:none}

/* ---------- comunes ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.btn{border:1.5px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:11px 18px;min-height:46px;font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:8px;text-decoration:none;line-height:1.2}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);box-shadow:0 10px 22px color-mix(in srgb,var(--accent) 28%,transparent)}
.btn:disabled{opacity:.45;cursor:default}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:999px;padding:4px 11px;background:var(--soft);color:var(--ink2)}
.chip.lv1{background:var(--goodsoft);color:var(--good)} .chip.lv2{background:var(--warnsoft);color:var(--warn)} .chip.lv3{background:var(--badsoft);color:var(--bad)}
.eyebrow{font:600 12px var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink)}
.lead{color:var(--muted);max-width:68ch}
.lead.small,.small{font-size:13.5px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.end{justify-content:flex-end}
.bar{height:7px;width:150px;border-radius:999px;background:var(--track);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--c,var(--accent));transition:width .5s}
.phead{display:grid;gap:10px}
.phead h1{font-size:clamp(34px,6vw,48px);letter-spacing:.02em}
.phead h1 span{color:var(--accent)}

/* ---------- inicio ---------- */
.home{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.home>.me,.home>.hero{grid-column:1/-1}
.me{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.avatar{width:58px;height:58px;border-radius:99px;background:var(--surface);border:2px solid var(--accent);color:var(--accent);display:grid;place-items:center;font:600 24px var(--display);box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 22%,transparent);flex:none}
.me>div{display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.me-name{font:600 22px var(--display);letter-spacing:.12em}
.lvpill{background:var(--accent);color:var(--on-accent);font-size:11px;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:99px}
.xpbar{flex:1;min-width:140px;max-width:280px;height:8px;border-radius:99px;background:var(--track);overflow:hidden;margin-left:auto}
.xpbar i{display:block;height:100%;background:var(--accent);border-radius:99px}
.hero{position:relative;border-radius:28px;overflow:hidden;padding:24px 24px 22px;display:grid;gap:14px;border:1px solid var(--line);box-shadow:var(--shadow-lg);
  background:linear-gradient(160deg,#ffffff 0%,#e8e4fc 70%,#dad3fb 100%)}
:root[data-theme="dark"] .hero{background:linear-gradient(160deg,#272252 0%,#1b1838 60%,#2b2262 100%)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero{background:linear-gradient(160deg,#272252 0%,#1b1838 60%,#2b2262 100%)}}
.hero-cr{width:min(100%,380px);height:auto;justify-self:center}
.hero-cr .g0{stop-color:#b9aefc;stop-opacity:.55}.hero-cr .g1{stop-color:#b9aefc;stop-opacity:0}
.hero-cr .ped1{fill:#cfc8f6}.hero-cr .ped2{fill:#fff;opacity:.8}.hero-cr .sp{fill:#a99cff}
:root[data-theme="dark"] .hero-cr .ped1{fill:#2f2a63}:root[data-theme="dark"] .hero-cr .ped2{fill:#8c7bff;opacity:.45}:root[data-theme="dark"] .hero-cr .g0{stop-color:#8c7bff;stop-opacity:.6}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero-cr .ped1{fill:#2f2a63}:root:not([data-theme="light"]) .hero-cr .ped2{fill:#8c7bff;opacity:.45}:root:not([data-theme="light"]) .hero-cr .g0{stop-color:#8c7bff;stop-opacity:.6}}
.hero-cr .float{animation:float 5s ease-in-out infinite;transform-origin:175px 95px}
@keyframes float{50%{transform:translateY(-6px)}}
.hero h1{font-size:clamp(28px,5.4vw,42px);line-height:1.1}
.hero h1 span{color:var(--accent)}
.hero-sub{font-size:12px;letter-spacing:.14em;color:var(--muted)}
.hero-sub a{color:var(--accent-ink)}
.cta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 7px 7px 22px;border-radius:99px;border:1.5px solid var(--accent);color:var(--accent-ink);text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.1em;background:color-mix(in srgb,var(--surface) 60%,transparent);max-width:520px;min-height:52px}
.cta i{width:38px;height:38px;border-radius:99px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;flex:none}
.cta:hover{background:var(--surface)}
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));text-align:center;padding:14px 6px}
.trio>div{display:flex;flex-direction:column;gap:2px}
.trio>div+div{border-left:1px solid var(--line)}
.trio small{color:var(--muted);font-size:12px}
.trio b{font:500 24px var(--display)}
.prog{display:flex;align-items:center;gap:18px}
.ringbox{position:relative;width:108px;height:108px;flex:none}
.ringbox>span{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ringbox b{font:500 28px var(--display);line-height:1}
.ringbox small{font-size:9px;letter-spacing:.14em;color:var(--muted);margin-top:4px}
.plist{display:grid;gap:7px;flex:1;min-width:0;font-size:13.5px}
.plist a{display:flex;justify-content:space-between;gap:8px;text-decoration:none;color:var(--ink)}
.plist a span{display:flex;align-items:center;gap:8px;min-width:0}
.plist b{font-variant-numeric:tabular-nums}
.missions{display:grid;gap:2px}
.mh{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.mh small{color:var(--muted)}
.mi{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:14.5px;min-height:44px}
.mi:last-child{border-bottom:0}
.mi .cb{width:22px;height:22px;border-radius:7px;border:2px solid var(--line);display:grid;place-items:center;flex:none}
.mi.done .cb{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.mi.done .mt{color:var(--muted);text-decoration:line-through}
.mi .mt{flex:1}
.mi small{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.weak{display:grid;gap:8px;align-content:start}
.weak h3{font-size:24px}
.weak .btn{justify-self:start}
.nextcr{display:flex;align-items:center;justify-content:space-between;gap:12px;text-decoration:none;color:var(--ink);background:linear-gradient(135deg,var(--surface) 40%,color-mix(in srgb,var(--c) 16%,var(--surface)) 100%)}
.nextcr>div{display:flex;flex-direction:column;gap:4px}
.nextcr b{font:500 26px var(--display);color:var(--c)}
.nextcr small{color:var(--muted);font-size:13px}
.quick{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:10px}
.quick a{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px;border-radius:16px;text-decoration:none;color:var(--ink);text-align:center}
.quick a:hover{background:var(--soft)}
.quick a svg{color:var(--accent)}
.quick b{font-size:13.5px}
.quick small{color:var(--muted);font-size:11.5px}

/* ---------- ruta ---------- */
.rprog{display:flex;align-items:center;gap:12px}
.rprog .bar{flex:1;width:auto}
.rprog b{font:500 18px var(--display);font-variant-numeric:tabular-nums}
.rprog.big .bar{height:9px}
.road{list-style:none;margin:0;padding:0;display:grid}
.rn{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;position:relative;padding-bottom:22px}
.rn::before{content:"";position:absolute;left:20px;top:46px;bottom:0;width:3px;border-radius:2px;background:var(--line)}
.rn.done::before{background:var(--c)}
.rn:last-child::before{display:none}
.rdot{width:44px;height:44px;border-radius:99px;display:grid;place-items:center;font:600 18px var(--display);background:var(--surface);border:2px solid var(--line);color:var(--muted)}
.rn.done .rdot{background:var(--c);border-color:var(--c);color:var(--on-accent)}
.rn.cur .rdot{background:var(--c);border-color:var(--c);color:#fff;box-shadow:0 0 0 7px color-mix(in srgb,var(--c) 22%,transparent)}
:root[data-theme="dark"] .rn.cur .rdot{color:#14122b}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .rn.cur .rdot{color:#14122b}}
.rbody{display:grid;gap:8px;padding-top:2px}
.rn.cur .rbody{background:var(--surface);border:1.5px solid var(--c);border-radius:20px;padding:16px;box-shadow:var(--shadow-lg)}
.rn .k{color:var(--muted)}
.rn.cur .k,.rn.done .k{color:var(--c)}
.rbody h3{font-size:22px}
.rn.soon h3{color:var(--muted)}
.runits{display:grid;gap:6px}
.ru{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:14px;background:var(--surface);border:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:14px;min-height:44px}
a.ru:hover{border-color:var(--c)}
.ru span{flex:1}
.ru small{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.ru.soon{color:var(--muted);background:transparent;border-style:dashed}
.ru .cr{color:var(--c)}
.goal .rdot{border-radius:14px}
.goal .btn{justify-self:start}
.extra{display:grid;gap:10px}
.extra h3{font-size:22px}
.quote{display:grid;gap:10px;background:linear-gradient(150deg,var(--surface) 30%,var(--accent-soft) 100%)}
.quote p{font:400 22px var(--display);line-height:1.3}
.quote p span{color:var(--accent)}

/* ---------- unidad ---------- */
.uhead{border-radius:26px;padding:26px;color:#fff;display:grid;gap:10px;position:relative;overflow:hidden;
  background:radial-gradient(420px 220px at 95% 0%,rgba(255,255,255,.18),transparent 60%),linear-gradient(150deg,color-mix(in srgb,var(--cd) 72%,#14122b),var(--cd));box-shadow:var(--shadow-lg)}
.uh-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.uhead .eyebrow{color:rgba(255,255,255,.85)}
.uhead h1{font-size:clamp(32px,5.6vw,48px);letter-spacing:.02em;color:#fff}
.uhead p{color:rgba(255,255,255,.9);max-width:64ch}
.uhead .cr.off{color:rgba(255,255,255,.5)}
.segs{display:flex;gap:4px}
.segs i{flex:1;height:5px;border-radius:99px;background:rgba(255,255,255,.28)}
.segs i.d{background:#fff}
.segs i.c{background:rgba(255,255,255,.65);box-shadow:0 0 0 2px rgba(255,255,255,.35)}
.uhead .chips span{font-size:12.5px;font-weight:600;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:4px 11px}
.ulayout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:26px;align-items:start}
.toc{position:sticky;top:78px;display:grid;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:10px;box-shadow:var(--shadow)}
.toc a{display:grid;grid-template-columns:24px 1fr;gap:9px;align-items:start;padding:8px;border-radius:12px;text-decoration:none;color:var(--muted);font-size:13.5px;line-height:1.35;font-weight:600}
.toc a:hover{background:var(--soft)}
.toc a.on{background:var(--accent-soft);color:var(--accent-ink)}
.toc a .d{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:11px;margin-top:-2px}
.toc a.done .d{background:var(--good);border-color:var(--good);color:#fff}
.toc .sep{height:1px;background:var(--line);margin:6px 4px}
.lesson{display:grid;gap:18px;min-width:0;grid-template-columns:minmax(0,1fr)}
.lesson>*{min-width:0;max-width:100%}
.lesson>h2{font-size:clamp(30px,4.6vw,40px);letter-spacing:.015em;text-transform:uppercase}
.lesson h3{font-size:21px;margin-top:6px}
.lesson p{max-width:72ch;color:var(--ink2)}
.lesson p b{color:var(--ink)}
.lesson ul.l{margin:0;padding-left:20px;max-width:72ch}
.lesson ul.l li{margin:5px 0}
.objectives{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px 20px}
.objectives>b{font:500 17px var(--display);letter-spacing:.04em;text-transform:uppercase}
.objectives ol{margin:8px 0 0;padding-left:20px}
.objectives li{margin:4px 0}
.note{border-radius:20px;padding:16px 18px;display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:start;border:1px solid transparent}
.note .ic{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font:600 16px var(--display);color:#fff}
.note b.k{display:block;font:500 16px var(--display);letter-spacing:.05em;text-transform:uppercase;margin-bottom:3px}
.note.ejemplo{background:color-mix(in srgb,#0ea5e9 9%,var(--surface));border-color:color-mix(in srgb,#0ea5e9 26%,transparent)} .note.ejemplo .ic{background:#0369a1}
.note.importante{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent)} .note.importante .ic{background:var(--accent)}
.note.error{background:var(--badsoft);border-color:color-mix(in srgb,var(--bad) 28%,transparent)} .note.error .ic{background:#be123c} .note.error b.k{color:var(--bad)}
.note.hipotesis{background:var(--warnsoft);border-color:color-mix(in srgb,var(--warn) 30%,transparent)} .note.hipotesis .ic{background:#a15c07}
.note.dato,.note.ampliacion{background:var(--soft);border-color:var(--line)} .note.dato .ic,.note.ampliacion .ic{background:#4b5578}
.note.pending{border-style:dashed}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.tbl table{border-collapse:collapse;width:100%;font-size:14.5px;min-width:520px}
.tbl th{text-align:left;background:var(--soft);font:600 12px var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:11px 13px}
.tbl td{padding:11px 13px;border-top:1px solid var(--line);vertical-align:top;line-height:1.45}
.tbl caption{caption-side:bottom;text-align:left;font-size:13px;color:var(--muted);padding:8px 12px}
.key{border-radius:20px;padding:16px 20px;color:#fff;background:linear-gradient(140deg,#5b4be0,#7c3aed)}
.key>b{font:600 11px var(--body);letter-spacing:.14em;text-transform:uppercase;color:#e4dfff}
.key ul{margin:6px 0 0;padding-left:18px;font-weight:500}
.key a{color:#fff}
.fig{margin:0;display:grid;gap:8px}
.fig figcaption,.vcap{font-size:13.5px;color:var(--muted)}
.fig .box{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:14px;overflow:hidden}
.fig svg{display:block;width:100%;height:auto}
.myth{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface)}
.myth div{padding:14px 16px}
.myth div:first-child{background:var(--badsoft)}
.myth b{display:block;font:600 11.5px var(--body);letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}
.myth div:first-child b{color:var(--bad)} .myth div:last-child b{color:var(--good)}
.summary{margin:0;padding-left:20px}
.summary li{margin:6px 0}
.pager{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}

/* ---------- reproductor de animaciones ---------- */
.player{background:var(--surface);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
.player-head{display:flex;gap:10px;align-items:center;padding:12px 14px 12px 18px;border-bottom:1px solid var(--line)}
.player-head .ph-k{font:600 10.5px var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent-soft);padding:3px 8px;border-radius:99px;flex:none}
.player-head b{font-size:13.5px;line-height:1.35;flex:1;min-width:0}
.expand-viz{white-space:nowrap;border:1px solid var(--line);border-radius:99px;background:var(--surface);font-size:12px;font-weight:600;padding:8px 12px;cursor:pointer;min-height:36px}
.player .screen{position:relative;background:var(--stage);display:block}
.player .screen svg{display:block;width:100%;height:auto;aspect-ratio:820/470}
.stage-viewport{width:100%;min-width:0;overflow:auto}.zoom-hint{display:none}
.player .screen .sub{position:relative;margin:0;padding:13px 18px;background:#0e0c22;color:#ecebff;min-height:72px;font-size:14px;line-height:1.55;text-align:left;border-top:1px solid #2a2656}
.player .ctrls{display:flex;align-items:center;gap:10px;padding:12px 14px;flex-wrap:wrap}
.pbtn{width:44px;height:44px;border-radius:99px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center;flex:none}
.pbtn.play{background:var(--accent);border-color:var(--accent);color:var(--on-accent);box-shadow:0 8px 18px color-mix(in srgb,var(--accent) 30%,transparent)}
.pbtn svg{width:16px;height:16px}
.track{flex:1;min-width:110px;height:8px;border-radius:999px;background:var(--track);position:relative;cursor:pointer}
.track i{position:absolute;inset:0 auto 0 0;border-radius:999px;background:var(--accent)}
.ptime{font:600 12px var(--mono);color:var(--muted);white-space:nowrap}
.speed-label select{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:6px;font-size:12px;min-height:36px}
.scenes{display:flex;gap:6px;padding:0 14px 14px;flex-wrap:wrap}
.scenes button{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:8px 12px;min-height:40px;font-size:12.5px;font-weight:600;color:var(--ink2);cursor:pointer}
.scenes button.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink)}
.pcap{padding:0 16px 14px;font-size:13.5px;color:var(--muted)}
.transcript{padding:12px 16px;border-top:1px solid var(--line);font-size:13.5px}
.transcript summary{cursor:pointer;color:var(--accent-ink);font-weight:600}
.transcript ol{padding-left:21px;line-height:1.7}
.player.expanded{position:fixed;inset:12px;z-index:1000;overflow:auto;border-radius:20px;box-shadow:0 0 0 100vmax rgba(10,8,30,.7);display:flex;flex-direction:column}
.player.expanded .screen{flex:1;min-height:0;display:flex;flex-direction:column}
.player.expanded .stage-viewport{flex:1;min-height:0;display:grid;place-items:center}
.player.expanded .screen svg{max-height:calc(100dvh - 285px);min-height:180px}
.player.expanded .player-head{position:sticky;top:0;z-index:2;background:var(--surface)}
.player.expanded .pcap,.player.expanded .transcript{display:none}
body.animation-open{overflow:hidden}

/* widgets interactivos heredados */
.widget,.explorer{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:18px;display:grid;gap:14px;box-shadow:var(--shadow);overflow:hidden}
.explorer{padding:0;gap:0}
.widget .stage{background:radial-gradient(420px 260px at 50% 40%,var(--stage2),var(--stage));border-radius:16px;overflow:hidden;position:relative}
.widget .stage canvas{display:block;width:100%;height:360px}
.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:18px;align-items:center}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 13px;min-height:40px;font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.seg button.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.seg button i{width:10px;height:10px;border-radius:50%}
.info{background:var(--soft);border-radius:16px;padding:14px;min-height:80px;font-size:15px}
.info b{font-family:var(--display);font-weight:500;letter-spacing:.03em;color:var(--brand)}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13.5px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:7px}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.range{display:grid;gap:6px}
.range label{font-weight:600;font-size:14px;display:flex;justify-content:space-between}
.range input{width:100%;accent-color:var(--accent)}
.ptable{display:grid;grid-template-columns:repeat(18,minmax(0,1fr));gap:3px}
.el{aspect-ratio:1;border-radius:6px;display:grid;place-items:center;font:700 clamp(9px,1.5vw,14px) var(--body);border:1px solid var(--line);background:var(--soft);color:var(--muted);cursor:default;padding:0}
.el.b{cursor:pointer;color:#fff;border-color:transparent}
.el.b:hover{transform:scale(1.08)}
.el.sel{outline:3px solid var(--ink);outline-offset:1px}
.el.gap{visibility:hidden}
.exp-controls{display:flex;flex-wrap:wrap;gap:8px;padding:14px;background:var(--soft)}
.exp-controls .btn{font-size:13px;min-height:42px}
.exp-stage{background:var(--stage);overflow:hidden}.exp-stage svg{display:block;width:100%;height:auto}
.exp-detail{padding:18px;display:grid;gap:7px}.exp-detail b{color:var(--brand);font-family:var(--display);font-weight:500;letter-spacing:.03em}
.explorer .pcap{padding:0 18px 16px}
.lab-control{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 12px;font-size:14px;font-weight:600}.lab-control input{flex:1;min-width:130px;accent-color:var(--accent)}.lab-control output{font-variant-numeric:tabular-nums;color:var(--accent-ink)}
.lgd{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:8px}.lg{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted)}.lg i{width:11px;height:11px;border-radius:50%;display:inline-block;flex:none;box-shadow:0 0 0 1px rgba(0,0,0,.25)}

/* ---------- evaluaciones ---------- */
.quiz{display:grid;gap:12px}
.qhead{display:flex;align-items:center;gap:12px}
.qhead .bar{flex:1;width:auto}
.qn{font:500 22px var(--display)}
.qn small{font-size:14px;color:var(--muted)}
.qtime{font-variant-numeric:tabular-nums;font-family:var(--mono)}
.qchips{display:flex;gap:6px;flex-wrap:wrap}
.qcard{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px;display:grid;gap:14px;box-shadow:var(--shadow-lg)}
.qcard h3{font:600 18px/1.45 var(--body);letter-spacing:0}
.opts{display:grid;gap:9px}
.opt{text-align:left;padding:13px 15px;min-height:52px;border-radius:16px;border:1.5px solid var(--line);background:var(--surface);font-size:15.5px;font-weight:500;cursor:pointer;display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:start;line-height:1.45}
.opt .lt{width:28px;height:28px;border-radius:9px;background:var(--soft);display:grid;place-items:center;font:600 14px var(--display);color:var(--muted)}
.opt:hover:not(:disabled){border-color:var(--accent)}
.opt.ok{background:var(--goodsoft);border-color:var(--good)} .opt.ok .lt{background:var(--good);color:#fff}
.opt.no{background:var(--badsoft);border-color:var(--bad)} .opt.no .lt{background:var(--bad);color:#fff}
.opt:disabled{cursor:default}
.fbk{border-radius:16px;padding:13px 15px;font-size:15px}
.fbk.ok{background:var(--goodsoft)} .fbk.no{background:var(--badsoft)}
.fbk>b{display:block;font:500 17px var(--display);letter-spacing:.03em}
.fbk.ok>b{color:var(--good)} .fbk.no>b{color:var(--bad)}
.fbk b.inl{display:inline;font:inherit;font-weight:700}
.results{display:grid;gap:14px}
.rhead{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center}
.ring{width:150px;height:150px}
.ring .arc{transition:stroke-dashoffset 1.1s ease}
.rtext{display:grid;gap:6px}
.rhead h2{font-size:32px;text-transform:uppercase}
.gotcr{display:flex;align-items:center;gap:18px;background:linear-gradient(135deg,var(--surface) 30%,color-mix(in srgb,var(--c) 18%,var(--surface)))}
.gotcr h3{font-size:26px;color:var(--c)}
.gotcr .cr{animation:pop .7s cubic-bezier(.2,1.6,.4,1) both}
@keyframes pop{from{transform:scale(.3) rotate(-20deg);opacity:0}}
.breakdown{display:grid;gap:8px}
.breakdown .bt{font:500 16px var(--display);letter-spacing:.04em;text-transform:uppercase;margin-top:4px}
.bd{display:grid;grid-template-columns:minmax(110px,220px) 1fr 54px;gap:10px;align-items:center;font-size:14px}
.bd .bar{width:100%}
.bd b{font-family:var(--mono);text-align:right}
.misses{display:grid;gap:10px}
.misses h3{font-size:24px;text-transform:uppercase}
.miss{border:1px solid var(--line);border-radius:18px;padding:14px;display:grid;gap:6px;background:var(--surface)}
.miss .q{font-weight:700}
.miss .a{font-size:14.5px}
.miss .bad{color:var(--bad)} .miss .good{color:var(--good)}

/* ---------- flashcards ---------- */
.tabs{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 6px;scrollbar-width:thin}
.tabs a{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;padding:10px 15px;border-radius:99px;border:1px solid var(--line);background:var(--surface);color:var(--ink2);text-decoration:none;font-size:13px;font-weight:600;min-height:42px}
.tabs a.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.tabs a.on .dot{background:var(--on-accent)}
.fcbox{display:grid;gap:16px;max-width:560px;width:100%;justify-self:center}
.fc-top{display:flex;align-items:center;gap:12px}
.fc-top .bar{flex:1;width:auto}
.fc-n{font:500 18px var(--display);font-variant-numeric:tabular-nums}
.fc-stack{position:relative;height:340px;margin-bottom:12px}
.fc-shadow{position:absolute;border-radius:28px}
.fc-shadow.s2{left:26px;right:26px;top:26px;bottom:-14px;background:var(--soft2)}
.fc-shadow.s1{left:13px;right:13px;top:13px;bottom:-6px;background:var(--soft);border:1px solid var(--line)}
.fc{position:absolute;inset:0;border:0;padding:0;background:none;cursor:pointer;perspective:1200px;text-align:center;border-radius:28px}
.fc-face{position:absolute;inset:0;border-radius:28px;padding:24px;display:flex;flex-direction:column;justify-content:space-between;align-items:center;backface-visibility:hidden;-webkit-backface-visibility:hidden;transition:transform .55s cubic-bezier(.3,.7,.2,1)}
.fc .front{background:linear-gradient(160deg,var(--surface) 0%,var(--accent-soft) 100%);border:1px solid var(--line);box-shadow:var(--shadow-lg);color:var(--ink)}
.fc .back{background:linear-gradient(150deg,#2a2160 0%,#4636c4 100%);color:#fff;transform:rotateY(180deg);justify-content:center;gap:14px;box-shadow:0 18px 40px rgba(70,54,196,.32)}
.fc.flipped .front{transform:rotateY(-180deg)}
.fc.flipped .back{transform:rotateY(0)}
.fc-meta{display:flex;justify-content:space-between;align-items:center;width:100%}
.fc-meta .chip{background:color-mix(in srgb,var(--c) 14%,var(--surface));color:var(--ink)}
.fc-q{font:400 clamp(26px,5vw,34px)/1.2 var(--display);color:var(--ink);overflow-wrap:anywhere}
.fc-hint{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.fc-k{font:500 15px var(--display);letter-spacing:.12em;text-transform:uppercase;color:#d9d3ff}
.fc-a{font-size:17px;line-height:1.55;color:#f3f1ff;max-width:44ch;overflow:auto}
.fc-rate{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.rt{min-height:64px;border-radius:18px;font-size:14px;font-weight:700;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:1px solid}
.rt small{font-size:11.5px;font-weight:500}
.rt.again{background:var(--badsoft);border-color:color-mix(in srgb,var(--bad) 35%,transparent);color:var(--bad)}
.rt.hard{background:var(--warnsoft);border-color:color-mix(in srgb,var(--warn) 35%,transparent);color:var(--warn)}
.rt.good{background:var(--goodsoft);border-color:color-mix(in srgb,var(--good) 35%,transparent);color:var(--good)}
.fc-help{text-align:center;color:var(--muted);font-size:13.5px}
.fc-done,.empty{display:grid;gap:14px;text-align:center;justify-items:center}
.fc-done h2{font-size:34px;text-transform:uppercase}
.tri{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;max-width:360px}
.tri>div{display:flex;flex-direction:column}
.tri b{font:500 30px var(--display)}
.tri small{color:var(--muted);font-size:12px}
.tri .good{color:var(--good)} .tri .hard{color:var(--warn)} .tri .again{color:var(--bad)}

/* ---------- simulacro, glosario, atlas, ajustes ---------- */
.simgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:12px}
.simopt{text-align:left;display:grid;gap:6px;cursor:pointer;border-top:4px solid var(--c)}
.simopt:hover{border-color:var(--c)}
.simopt b{font:500 21px var(--display);letter-spacing:.02em}
.simopt small{color:var(--muted);font-size:13.5px}
.simopt .chip{justify-self:start}
.gsearch{width:100%;padding:14px 18px;border-radius:99px;border:1.5px solid var(--line);background:var(--surface);font-size:16px;min-height:52px}
.gl{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:10px}
.gi{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:15px 17px;display:grid;gap:4px;align-content:start}
.gi>b{font:500 18px var(--display);letter-spacing:.02em}
.gi p{font-size:14.5px;color:var(--ink2);line-height:1.5}
.gi a{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;text-decoration:none;color:var(--muted);margin-top:4px}
.atl{display:grid;gap:12px}
.atl h2{font-size:24px;display:flex;align-items:center;gap:10px;text-transform:uppercase}
.atl h2 .dot{width:12px;height:12px}
.atlas-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:10px}
.atlas-card{display:flex;gap:13px;align-items:center;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:18px;color:var(--ink);text-decoration:none;transition:border-color .2s,transform .2s}
.atlas-card:hover{border-color:var(--c);transform:translateY(-2px)}
.atlas-card b{font-size:14px;line-height:1.4;display:block}
.atlas-card small{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.atlas-icon{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:12px;background:color-mix(in srgb,var(--c) 16%,var(--surface));color:var(--c)}
.atlas-card>svg:last-child{margin-left:auto;color:var(--muted);flex:none}
.card>h3{font-size:22px;margin-bottom:10px;text-transform:uppercase}
.card>p+p,.card>p+ul,.card>ul+p{margin-top:10px}
.card ul.l{margin:0;padding-left:20px}
.card ul.l li{margin:4px 0}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-weight:600;font-size:14px}
.form input{padding:12px 14px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);min-height:48px;font-size:16px;font-weight:400}
.danger h3{color:var(--bad)}
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:11px 18px;border-radius:14px;font-size:14px;font-weight:600;z-index:60;box-shadow:var(--shadow-lg)}

/* ---------- responsivo ---------- */
@media (max-width:1000px){
  .ulayout{grid-template-columns:1fr}
  .toc{position:static;grid-template-columns:repeat(auto-fill,minmax(min(100%,210px),1fr))}
  .toc .sep{display:none}
}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:300px;z-index:40;transform:translateX(-105%);transition:transform .3s;background:var(--bg-top)}
  .app.open .side{transform:none}
  .app.open .scrim{display:block;position:fixed;inset:0;background:rgba(10,8,30,.5);z-index:30}
  .menu-btn{display:grid}
  .split{grid-template-columns:1fr}
  .page{padding-bottom:120px}
  .bnav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:end;position:fixed;left:0;right:0;bottom:0;z-index:25;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);border-radius:24px 24px 0 0;padding:6px 6px max(10px,env(safe-area-inset-bottom));box-shadow:0 -6px 20px rgba(40,30,110,.08)}
  .bnav a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;min-height:52px;justify-content:center;color:var(--muted);text-decoration:none;font-size:10.5px;font-weight:600}
  .bnav a.on{color:var(--accent-ink)}
  .bnav .center{justify-content:flex-start}
  .bnav .gem{width:60px;height:60px;margin-top:-26px;border-radius:99px;background:var(--surface);border:1px solid var(--line);box-shadow:0 8px 22px color-mix(in srgb,var(--accent) 35%,transparent);display:grid;place-items:center}
}
@media (max-width:700px){
  .home{grid-template-columns:1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .page{gap:20px;padding-top:18px}
  .hero{padding:18px 18px 18px}
  .uhead{padding:20px;border-radius:22px}
  .myth{grid-template-columns:1fr}
  .rhead{grid-template-columns:1fr;justify-items:center;text-align:center}
  .bd{grid-template-columns:100px 1fr 46px}
  .ptable{gap:2px}
  .widget .stage canvas{height:300px}
  .player-head{padding:10px 10px 10px 12px;gap:6px}
  .player-head .ph-k{display:none}
  .player .ctrls{gap:7px}
  .speed-label select{max-width:62px}
  .ptime{font-size:10.5px}
  .player.expanded{inset:4px}
  .player.expanded .stage-viewport{display:block}
  .player.expanded .stage-viewport svg{min-width:640px;max-height:none;height:auto}
  .player.expanded .zoom-hint{display:block;background:var(--soft);font-size:11px;color:var(--muted);padding:7px 12px}
  .player.expanded .scenes{max-height:95px;overflow:auto}
  .exp-controls{padding:10px;gap:6px}
  .exp-stage{overflow:auto}.exp-stage svg{min-width:520px}
  .fc-stack{height:320px}
  .qcard{padding:18px}
  .card{padding:18px}
  .prog{gap:14px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.side,.top,.bnav,.ctrls,.scenes,.player-head,.pager,.toc{display:none!important}.app{display:block}.page{max-width:none;padding:0}.ulayout{display:block}.player .screen .sub{background:#fff;color:#111}body{background:#fff;color:#111}.card,.player,.explorer{box-shadow:none;break-inside:avoid}}
[hidden]{display:none!important}
.home>.col{display:grid;gap:16px;align-content:start;min-width:0}