:root {
  --ink: #0f1f33; --ink2: #3b4a5e; --muted: #6b7a8c; --line: #dde3ea;
  --bg: #f6f8fb; --card: #fff; --navy: #0b2545; --blue: #13497a; --teal: #0e9f8e; --teal-l: #e3f6f3;
  --gold: #d99a1e; --gold-l: #fdf3df; --red: #c73b3b; --red-l: #fbe9e9; --green: #2f8f4e; --green-l: #e6f4ea;
  --r: 14px; --sh: 0 1px 2px rgba(15,31,51,.06), 0 6px 20px rgba(15,31,51,.06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.65 var(--font); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--blue); }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: .2em 0 .4em; }
h2 { font-size: 1.45rem; margin: 1.8em 0 .6em; }
h3 { font-size: 1.08rem; margin: .2em 0 .4em; }
code, pre, .mono { font-family: var(--mono); font-size: .88em; }
code { background: #eef2f6; padding: .1em .35em; border-radius: 5px; }
pre { white-space: pre-wrap; background: #0f1f33; color: #e6eef7; padding: 14px 16px; border-radius: 10px; margin: 0; line-height: 1.55; }
pre.code { background: #eef2f6; color: var(--ink); }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 460px; }
.muted { color: var(--muted); } .small { font-size: .88rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; font-weight: 700; color: var(--teal); margin: 1.6em 0 0; }
.lead { font-size: 1.15rem; color: var(--ink2); max-width: 760px; }
.big { font-size: 1.08rem; }
.sec { margin-top: 2.2em; }
.nowrap { white-space: nowrap; }
.loading { padding: 80px 16px; color: var(--muted); }

/* Encabezado */
.top { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 20; }
.top-in { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { display: flex; gap: 10px; align-items: center; color: #fff; text-decoration: none; margin-right: auto; }
.brand b { display: block; font-size: .95rem; } .brand small { display: block; font-size: .72rem; opacity: .7; }
.logo { background: var(--teal); border-radius: 9px; width: 36px; height: 36px; display: grid; place-items: center; font-weight: 800; }
#nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
#nav a { color: #cfdbe8; text-decoration: none; padding: 7px 10px; border-radius: 8px; font-size: .9rem; font-weight: 500; }
#nav a:hover, #nav a.on { color: #fff; background: rgba(255,255,255,.1); }
#nav .who { font-size: .82rem; opacity: .8; padding: 0 6px; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#nav .link { color: #cfdbe8; }
.menu { display: none; background: none; border: 0; color: #fff; font-size: 1.5rem; cursor: pointer; }
@media (max-width: 1120px) {
  .menu { display: block; }
  #nav { display: none; position: absolute; left: 0; right: 0; top: 64px; background: var(--navy); flex-direction: column; align-items: stretch; padding: 8px 16px 16px; }
  body.menu-open #nav { display: flex; }
}

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--teal); color: #fff; border: 0; border-radius: 10px; padding: 11px 18px; font: 600 .95rem var(--font); text-decoration: none; cursor: pointer; transition: transform .1s, background .2s; }
.btn:hover { background: #0b8a7b; } .btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--blue); box-shadow: inset 0 0 0 1.5px currentColor; }
.btn.ghost:hover { background: rgba(19,73,122,.06); }
.btn.sm { padding: 6px 12px; font-size: .85rem; }
.btn.full { width: 100%; margin-top: 8px; }
.btn.danger { background: var(--red); } .btn.danger:hover { background: #a83030; }
.btn:disabled { opacity: .5; cursor: default; }
.top .btn.sm { color: #fff; }
.link { background: none; border: 0; color: var(--blue); cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }

/* Hero */
.hero { background: radial-gradient(1200px 400px at 80% -20%, #1f6aa5 0, transparent 60%), linear-gradient(160deg, var(--navy), #123a63); color: #fff; padding: 40px 0 56px; }
.hero-in { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: center; }
.hero .eyebrow { color: #7fe0d3; } .hero .lead { color: #d4e1ee; }
.hero .btn.ghost { color: #fff; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0; }
.org { font-size: .85rem; opacity: .75; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.facts div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: var(--r); padding: 18px; }
.facts b { display: block; font-size: 2rem; font-weight: 800; color: #7fe0d3; } .facts span { font-size: .9rem; opacity: .85; }
@media (max-width: 860px) { .hero-in { grid-template-columns: 1fr; } }

/* Tarjetas */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.cards.c3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.cards.c4 { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; box-shadow: var(--sh); color: inherit; text-decoration: none; position: relative; }
.card p { margin: .3em 0; color: var(--ink2); font-size: .94rem; }
a.card:hover { border-color: var(--teal); transform: translateY(-2px); transition: .15s; }
.mod .ic { font-size: 1.6rem; } .mod small { display: block; color: var(--teal); font-weight: 700; font-size: .78rem; text-transform: uppercase; margin-top: 6px; }
.mod .dates { display: block; margin-top: 10px; font-size: .78rem; color: var(--muted); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 24px auto; }
@media (max-width: 800px) { .two { grid-template-columns: 1fr; } }
.person { display: flex; gap: 16px; align-items: flex-start; }
.person small { color: var(--teal); font-weight: 700; text-transform: uppercase; font-size: .75rem; }
.avatar { flex: none; width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, var(--teal), var(--blue)); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.3rem; }
.avatar.alt { background: var(--gold-l); font-size: 1.6rem; }
.avatar.xl { width: 120px; height: 120px; font-size: 2.6rem; }
.band { background: #eaf0f6; padding: 10px 0 20px; margin: 40px 0; }
.safe { background: var(--card); border-radius: var(--r); padding: 20px 24px; border-left: 5px solid var(--gold); }
.safe ol { padding-left: 20px; margin: 0; } .safe li { margin: 6px 0; font-size: .94rem; }
.ticks { list-style: none; padding: 0; } .ticks li { padding-left: 26px; position: relative; margin: 8px 0; }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 800; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; } @media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } }
.disclaimer { font-size: .82rem; color: var(--muted); margin: 32px auto 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; } .chips span { background: var(--teal-l); color: #0a6d61; border-radius: 99px; padding: 4px 12px; font-size: .82rem; font-weight: 600; }
.profile-head { display: flex; gap: 28px; align-items: center; margin: 12px 0 24px; flex-wrap: wrap; }

/* Pasos */
.steps6 { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.steps6 div { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
.steps6 span { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; font-size: .85rem; }
.steps6 b { display: block; margin: 8px 0 4px; } .steps6 p { margin: 0; font-size: .88rem; color: var(--ink2); }

/* Tablas */
.tablewrap { overflow-x: auto; margin: 12px 0; }
.tbl { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 10px; overflow: hidden; font-size: .92rem; }
.tbl th { background: var(--navy); color: #fff; text-align: left; padding: 10px 12px; font-weight: 600; font-size: .85rem; }
.tbl td { padding: 10px 12px; border-top: 1px solid var(--line); vertical-align: top; }
.tbl.big td { padding: 14px 12px; }
.tbl tr:nth-child(even) td { background: #fafbfd; }

/* Callouts */
.callout { border-radius: 12px; padding: 14px 18px; margin: 16px 0; background: #eef4fb; border-left: 5px solid var(--blue); }
.callout b:first-child { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.callout.key { background: var(--teal-l); border-color: var(--teal); }
.callout.warn { background: var(--gold-l); border-color: var(--gold); }
.callout.danger { background: var(--red-l); border-color: var(--red); }
.callout.example { background: var(--green-l); border-color: var(--green); }
.verbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 16px 0; }
.verbs.three { grid-template-columns: repeat(3, 1fr); }
.verbs div { background: var(--card); border: 1px solid var(--line); border-top: 4px solid var(--teal); border-radius: 10px; padding: 14px; }
.verbs b { display: block; font-size: 1.02rem; } .verbs span { font-size: .88rem; color: var(--ink2); }
@media (max-width: 760px) { .verbs, .verbs.three { grid-template-columns: 1fr 1fr; } }
.traffic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 14px 0; }
.traffic div { border-radius: 10px; padding: 14px; font-size: .92rem; } .traffic b { display: block; font-size: 1.05rem; }
.t-green { background: var(--green-l); border-left: 6px solid var(--green); }
.t-yellow { background: var(--gold-l); border-left: 6px solid var(--gold); }
.t-red { background: var(--red-l); border-left: 6px solid var(--red); }
@media (max-width: 700px) { .traffic { grid-template-columns: 1fr; } }
.seven { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin: 14px 0; }
.seven div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font-size: .9rem; }
.seven b { display: block; color: var(--blue); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 14px 0; }
.compare > div { border-radius: 10px; padding: 14px; font-size: .94rem; }
.compare b { display: block; font-size: .8rem; text-transform: uppercase; margin-bottom: 4px; }
.compare .ok { background: var(--green-l); } .compare .no { background: var(--red-l); }
.compare:has(> :only-child) { grid-template-columns: 1fr; }
@media (max-width: 700px) { .compare { grid-template-columns: 1fr; } }
.flow { counter-reset: f; list-style: none; padding: 0; display: grid; gap: 8px; }
.flow li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px 10px 50px; position: relative; }
.flow li::before { counter-increment: f; content: counter(f); position: absolute; left: 12px; top: 9px; width: 26px; height: 26px; border-radius: 50%; background: var(--teal); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .85rem; }
.weeks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.weeks div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; font-size: .88rem; } .weeks b { display: block; color: var(--teal); }
@media (max-width: 700px) { .weeks { grid-template-columns: 1fr 1fr; } }
.variants { display: grid; gap: 10px; } .variants div { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 10px; padding: 12px 14px; font-size: .94rem; }
.variants b { display: block; color: var(--blue); }
.factbank { background: var(--card); border: 2px dashed var(--teal); border-radius: 12px; padding: 14px 18px; }
.techs li { margin: 6px 0; }

/* Guía */
.progress { background: #e2e8ef; border-radius: 99px; height: 10px; overflow: hidden; max-width: 520px; }
.progress div { background: linear-gradient(90deg, var(--teal), #3cc5b3); height: 100%; border-radius: 99px; transition: width .4s; }
.progress.sm { height: 6px; width: 80px; display: inline-block; vertical-align: middle; margin-right: 6px; }
.chapters { display: grid; gap: 12px; margin: 24px 0; }
.chap { display: flex; gap: 16px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 20px; text-decoration: none; color: inherit; box-shadow: var(--sh); }
.chap:hover { border-color: var(--teal); }
.chap .n { flex: none; width: 42px; height: 42px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 800; }
.chap.done .n { background: var(--green); } .chap.proj .n { background: var(--gold); }
.chap h3 { margin: 0; } .chap p { margin: 2px 0; font-size: .9rem; color: var(--ink2); } .chap small { color: var(--muted); font-size: .8rem; }
.chap .ic { margin-left: auto; font-size: 1.8rem; }
.chapter-layout { display: grid; grid-template-columns: 230px 1fr; gap: 36px; }
.toc { position: sticky; top: 84px; align-self: start; padding-top: 30px; display: flex; flex-direction: column; gap: 2px; max-height: calc(100vh - 100px); overflow: auto; }
.toc a { font-size: .85rem; color: var(--ink2); text-decoration: none; padding: 6px 10px; border-left: 3px solid transparent; border-radius: 0 6px 6px 0; }
.toc a.on { border-color: var(--teal); background: var(--teal-l); color: var(--ink); font-weight: 600; }
.toc hr { border: 0; border-top: 1px solid var(--line); width: 100%; }
.toc .pres { color: var(--teal); font-weight: 700; }
@media (max-width: 900px) { .chapter-layout { grid-template-columns: 1fr; } .toc { display: none; } }
.chapter { min-width: 0; padding-bottom: 40px; }
.chapter section { scroll-margin-top: 80px; }
.chapter section > p, .chapter section > ol, .chapter section > ul { max-width: 780px; }
.timing { display: flex; border-radius: 10px; overflow: hidden; margin: 12px 0 4px; min-height: 52px; }
.timing div { padding: 6px 8px; color: #fff; font-size: .74rem; line-height: 1.25; min-width: 0; overflow: hidden; }
.timing b { display: block; font-size: .95rem; }
.tk0 { background: #0b2545; } .tk1 { background: #13497a; } .tk2 { background: #1f6aa5; } .tk3 { background: #0e9f8e; } .tk4 { background: #3cb39f; } .tk5 { background: #d99a1e; }
.example { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; margin: 16px 0; box-shadow: var(--sh); }
.example h4 { margin: 0 0 12px; font-size: 1.05rem; }
.src { background: #f2f5f9; border-left: 4px solid var(--muted); border-radius: 8px; padding: 10px 14px; margin: 10px 0; }
.src b { font-size: .78rem; text-transform: uppercase; color: var(--muted); } .src p { margin: 4px 0 0; font-style: italic; }
.prompt { margin: 12px 0; } .ph { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.ph b { font-size: .78rem; text-transform: uppercase; color: var(--blue); }
.copy { background: var(--teal-l); color: #0a6d61; border: 0; border-radius: 6px; padding: 4px 10px; font: 600 .78rem var(--font); cursor: pointer; }
.copy:hover { background: #c9ece6; }
details { margin: 10px 0; } summary { cursor: pointer; font-weight: 600; color: var(--blue); }
blockquote { margin: 8px 0; padding: 12px 16px; background: var(--green-l); border-radius: 8px; border-left: 4px solid var(--green); }
.labsteps li { margin: 6px 0; }
.labtpl input { width: 100%; min-width: 110px; border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; font: inherit; font-size: .88rem; }
.notes { display: block; font-weight: 600; margin: 16px 0; }
textarea, input[type=text], input[type=email], input[type=password], .search, #pq { width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 10px 12px; font: 400 .95rem var(--font); margin-top: 6px; background: #fff; color: var(--ink); }
textarea:focus, input:focus { outline: 0; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(14,159,142,.15); }
.chap-end { margin: 30px 0 10px; }
.pager { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 20px; flex-wrap: wrap; }
.pager a { text-decoration: none; font-weight: 600; }

/* Quiz */
.quiz { display: grid; gap: 12px; }
.q { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.q.right { border-color: var(--green); } .q.wrong { border-color: var(--red); }
.q > p:first-child { margin: 0 0 8px; }
.opts { display: grid; gap: 6px; }
.opts button, .opt { text-align: left; background: #f4f7fa; border: 1.5px solid transparent; border-radius: 8px; padding: 9px 12px; font: inherit; font-size: .93rem; cursor: pointer; color: var(--ink); }
.opts button:hover, .opt:hover { border-color: var(--line); background: #eef2f6; }
.opts button.ok { border-color: var(--green); } .opts button.sel.ok, .opt.ok { background: var(--green-l); border-color: var(--green); }
.opts button.sel.no, .opt.no { background: var(--red-l); border-color: var(--red); }
.why { font-size: .9rem; margin: 8px 0 0; color: var(--ink2); } .why:empty { display: none; }

/* Casos */
.case-box { background: linear-gradient(180deg, #eef7f6, #f6f8fb); border: 1px solid #cfe9e4; border-radius: 18px; padding: 4px 24px 24px; margin: 30px 0; }
@media (max-width: 600px) { .case-box { padding: 4px 14px 16px; } }
.tcases { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.tcase { background: var(--card); border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.tcase.right { border-color: var(--green); } .tcase.wrong { border-color: var(--red); }
.tcase > p:first-child { margin: 0 0 8px; font-size: .93rem; }
.tbtns { display: flex; gap: 6px; } .tbtns button { flex: 1; border: 0; border-radius: 8px; padding: 7px; font: 600 .82rem var(--font); cursor: pointer; opacity: .55; }
.tbtns button:hover, .tbtns button.sel { opacity: 1; }
.tbtns [data-a=green] { background: var(--green-l); color: var(--green); } .tbtns [data-a=yellow] { background: var(--gold-l); color: #9a6a0c; } .tbtns [data-a=red] { background: var(--red-l); color: var(--red); }
.tbtns button.sel { box-shadow: inset 0 0 0 2px currentColor; }
.result { margin: 14px 0; }
.score { background: var(--card); border-radius: 10px; padding: 12px 16px; border-left: 5px solid var(--gold); }
.score.full { border-color: var(--green); background: var(--green-l); } .score b { font-size: 1.3rem; margin-right: 6px; }
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.chk { background: var(--card); border: 1.5px solid var(--line); border-radius: 10px; padding: 8px 10px; position: relative; }
.chk .dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: #cbd3dc; margin-right: 6px; }
.chk.ok { border-color: var(--green); } .chk.ok .dot { background: var(--green); }
.chk small { display: none; position: absolute; left: 0; right: 0; top: 100%; z-index: 5; background: var(--navy); color: #fff; padding: 8px; border-radius: 8px; font-size: .78rem; margin-top: 4px; }
.chk:not(.ok):hover small { display: block; }
.claims { background: var(--card); border-radius: 12px; padding: 14px 18px; margin: 12px 0; border: 1px solid var(--line); }
.claims b { font-size: .78rem; text-transform: uppercase; color: var(--blue); }
.claim { cursor: pointer; padding: 2px 3px; border-radius: 4px; line-height: 2; transition: background .15s; }
.claim:hover { background: #eef2f6; } .claim.pick { background: #ffe1a6; }
.claim.good { background: var(--green-l); } .claim.badc { background: #f8c9c9; text-decoration: line-through; } .claim.miss { background: #ffd2a8; outline: 2px dashed var(--red); }
.whys { padding-left: 0; list-style: none; font-size: .9rem; } .whys li { margin: 6px 0; padding: 6px 10px; border-radius: 8px; }
.whys .ok { background: var(--green-l); } .whys .no { background: var(--red-l); }
.sheet input { width: 80px; border: 1.5px solid var(--teal); border-radius: 6px; padding: 4px 6px; font: inherit; background: #f2fbf9; }
.sheet .calc { font-family: var(--mono); font-size: .86rem; background: #f6f9fc; }
.sheet .rn { color: var(--muted); font-size: .78rem; } .sheet tfoot td { background: #eef2f6; border-top: 2px solid var(--navy); }
.sheet .pend { color: var(--red); font-weight: 600; } .sheet .cub { color: var(--green); } .sheet .exc { color: #9a6a0c; font-weight: 700; background: var(--gold-l); }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 12px 0; }
.kpis div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.kpis small { display: block; color: var(--muted); font-size: .78rem; } .kpis b { font-size: 1.4rem; } .kpis span { display: block; font-size: .74rem; color: var(--muted); }
@media (max-width: 700px) { .kpis { grid-template-columns: 1fr 1fr; } }
.choose { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin: 12px 0; display: grid; gap: 6px; }
.query { font-weight: 600; margin: 0 0 4px; }
.flowline { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.fs { background: #e2e8ef; border-radius: 99px; padding: 5px 12px; font-size: .8rem; font-weight: 600; color: var(--ink2); }
.fs.pass { background: var(--green-l); color: var(--green); } .fs.halt { background: var(--red); color: #fff; } .fs.off { opacity: .35; text-decoration: line-through; }
.incoming { background: var(--card); border: 2px solid var(--blue); border-radius: 14px; padding: 16px 20px; margin: 14px 0; }
.incoming small { color: var(--muted); } .incoming p { font-size: 1.1rem; margin: 4px 0 0; font-weight: 500; }
.decide { display: flex; gap: 10px; flex-wrap: wrap; }
.spot { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; font-size: 1.1rem; line-height: 1.9; }
.sp { cursor: pointer; border-radius: 4px; padding: 2px 0; } .sp:hover { background: #eef2f6; }
.sp.hit { background: #f8c9c9; text-decoration: underline wavy var(--red); } .sp.nohit { background: var(--green-l); }

/* Login */
.auth { margin: 40px 0; } .auth h1 { font-size: 1.5rem; }
.auth label { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0; }
.tabs { display: flex; background: #eef2f6; border-radius: 10px; padding: 4px; margin: 16px 0 4px; }
.tabs button { flex: 1; border: 0; background: none; padding: 8px; border-radius: 8px; font: 600 .9rem var(--font); cursor: pointer; color: var(--ink2); }
.tabs button.on { background: #fff; color: var(--ink); box-shadow: var(--sh); }
.msg { font-size: .9rem; min-height: 1.2em; } .msg.err { color: var(--red); } .msg.ok { color: var(--green); }

/* Proyecto / recursos */
.pick { cursor: pointer; } .pick input { position: absolute; top: 18px; right: 18px; accent-color: var(--teal); width: 18px; height: 18px; }
.pick:has(input:checked) { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(14,159,142,.18); }
.pfields { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; } .pfields label { font-weight: 600; font-size: .92rem; margin: 8px 0; }
@media (max-width: 760px) { .pfields { grid-template-columns: 1fr; } }
.rub label { display: flex; gap: 6px; cursor: pointer; font-size: .88rem; } .rub input { accent-color: var(--teal); margin-top: 4px; }
.rub td:has(input:checked) { background: var(--teal-l) !important; }
.score-big { font-size: 1.3rem; } .score-big b { font-size: 2rem; color: var(--teal); }
.ptools { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; } .ptools #pq { max-width: 280px; margin: 0; }
.pcats { display: flex; gap: 6px; flex-wrap: wrap; }
.pcats button { border: 1.5px solid var(--line); background: #fff; border-radius: 99px; padding: 5px 12px; font: 600 .82rem var(--font); cursor: pointer; color: var(--ink2); }
.pcats button.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.plib .card small { color: var(--teal); font-weight: 700; font-size: .75rem; text-transform: uppercase; }
.plib .mono { font-size: .82rem; } .plib .copy { position: absolute; top: 16px; right: 16px; }
.cl label { display: flex; gap: 8px; margin: 8px 0; font-size: .93rem; cursor: pointer; } .cl input { accent-color: var(--teal); width: 17px; height: 17px; margin-top: 3px; flex: none; }
.cl label:has(input:checked) { color: var(--muted); text-decoration: line-through; }
.search { max-width: 320px; }
.gloss { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 8px; margin-top: 12px; }
.gloss div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; } .gloss b { display: block; color: var(--blue); } .gloss span { font-size: .9rem; }
.sources li { margin: 8px 0; font-size: .92rem; }
.closing { background: var(--navy); color: #fff; border-radius: 18px; padding: 10px 28px 20px; margin: 40px 0; } .closing p { font-size: 1.1rem; color: #d4e1ee; }
.admin td { text-align: center; } .admin td:first-child { text-align: left; } .admin .cdone { background: var(--green-l) !important; }
.who-row { cursor: pointer; } .who-row:hover td { background: var(--teal-l) !important; } .detail td { text-align: left; background: #fafbfd; }

/* Pie y flash */
.foot { margin-top: 60px; background: #e9eef4; padding: 20px 0; font-size: .85rem; color: var(--ink2); }
.flash { position: fixed; bottom: 20px; left: 50%; transform: translate(-50%, 80px); background: var(--navy); color: #fff; padding: 10px 18px; border-radius: 10px; font-size: .88rem; transition: transform .25s; z-index: 50; pointer-events: none; }
.flash.show { transform: translate(-50%, 0); } .flash.err { background: var(--red); }

/* Presentación */
.deck { position: fixed; inset: 0; z-index: 100; background: #0b1a2e; display: flex; flex-direction: column; outline: 0; }
.slide { flex: 1; display: flex; align-items: center; justify-content: center; padding: 4vh 6vw 10vh; background: #fff; color: var(--ink); cursor: pointer; overflow: auto; }
.slide .sin { width: 100%; max-width: 1100px; font-size: clamp(16px, 1.6vw, 26px); animation: fade .3s; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }
.slide h1 { font-size: 2.6em; } .slide h2 { font-size: 2em; margin: .2em 0 .6em; } .slide h3 { font-size: 1.3em; }
.slide .eyebrow { font-size: .75em; margin: 0; }
.slide.title { background: linear-gradient(150deg, var(--navy), #13497a); color: #fff; text-align: center; }
.slide.title .eyebrow { color: #7fe0d3; } .slide.title p { color: #d4e1ee; }
.slide.accent { background: linear-gradient(150deg, #0a6d61, var(--teal)); color: #fff; } .slide.accent .eyebrow { color: #c9f3ec; }
.slide .by { margin-top: 2em; font-weight: 600; } .slide .big { font-size: 1.35em; line-height: 1.5; }
.slide .url { font-family: var(--mono); background: rgba(255,255,255,.12); display: inline-block; padding: .3em .8em; border-radius: 8px; }
.sl-list { font-size: 1.2em; padding-left: 1.2em; } .sl-list li { margin: .5em 0; } .sl-list small { display: block; font-size: .65em; color: var(--muted); }
.sl-list.keys { list-style: none; padding: 0; } .sl-list.keys li { padding: .5em .8em .5em 1.4em; border-left: 6px solid var(--teal); background: #f2f8f7; border-radius: 0 10px 10px 0; }
.sl-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1em; } .sl-grid div { background: #f2f8f7; border-radius: 14px; padding: 1em; text-align: center; }
.sl-grid b { display: block; font-size: 2.4em; color: var(--teal); } .sl-grid.g4 span { font-weight: 600; }
.sl-person { display: flex; gap: 1.5em; align-items: center; } .sl-person p { font-size: .95em; color: var(--ink2); }
.slide pre { font-size: .7em; } .slide blockquote { font-size: .9em; } .slide .tbl { font-size: .85em; } .slide .timing { font-size: 1.1em; min-height: 80px; }
.warnline { background: var(--gold-l); padding: .5em .8em; border-radius: 8px; font-size: .85em; }
.deckbar { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 6px; background: rgba(11,37,69,.9); color: #fff; border-radius: 99px; padding: 6px 10px; font-size: .85rem; }
.deckbar button, .deckbar a { background: none; border: 0; color: #fff; font-size: 1.2rem; cursor: pointer; text-decoration: none; padding: 2px 10px; border-radius: 99px; }
.deckbar button:hover, .deckbar a:hover { background: rgba(255,255,255,.15); }
.dprog { position: absolute; top: 0; left: 0; right: 0; height: 4px; } .dprog div { height: 100%; background: var(--teal); transition: width .3s; }
@media (max-width: 700px) { .sl-grid { grid-template-columns: 1fr 1fr; } .sl-person { flex-direction: column; } }

@media print {
  .top, .foot, .toc, .pager, .chap-end, .case-box, .copy, #flash { display: none !important; }
  body { background: #fff; } .chapter-layout { display: block; } .card, .example { box-shadow: none; }
}