/* Portal CdeA · Apps docentes — estilo azul marino y dorado */
:root{
  --navy:#0b2446; --navy-2:#0f2f5a; --navy-3:#163a6b; --navy-deep:#071a33;
  --gold:#c9a24b; --gold-2:#e2c47a; --gold-soft:#f4ead0;
  --paper:#f6f3ec; --card:#ffffff; --line:#e3ddcf; --line-2:#d3cab5;
  --ink:#1b2333; --muted:#5b6475; --muted-2:#8a92a2;
  --serif:"Cormorant Garamond",Garamond,"Times New Roman",serif;
  --sans:"Source Sans 3","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --r:14px; --shadow:0 1px 2px rgba(11,36,70,.06),0 8px 24px rgba(11,36,70,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--navy-3)}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
[hidden]{display:none!important}

/* Cabecera */
.site-header{background:var(--navy);border-bottom:1px solid rgba(201,162,75,.35)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.brand img{border-radius:50%;box-shadow:0 0 0 1px rgba(201,162,75,.5)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font:600 1.35rem var(--serif);letter-spacing:.2px;color:#fff}
.brand-sub{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-2)}
.header-links{display:flex;gap:8px;flex-wrap:wrap}
.hlink{color:#e8edf6;text-decoration:none;font-size:.9rem;font-weight:600;padding:7px 14px;border-radius:999px;border:1px solid rgba(226,196,122,.35);transition:background .15s,border-color .15s}
.hlink:hover{background:rgba(226,196,122,.12);border-color:var(--gold-2);color:#fff}

/* Hero */
.hero{background:radial-gradient(1200px 400px at 85% -10%,rgba(201,162,75,.18),transparent 60%),linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:56px 0 44px}
.eyebrow{margin:0 0 6px;font-size:.75rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.eyebrow-light{color:var(--gold-2)}
.hero h1{font:600 clamp(2.1rem,4.6vw,3.4rem)/1.08 var(--serif);margin:0 0 14px;max-width:22ch;letter-spacing:-.005em}
.lead{max-width:62ch;color:#cfd8e6;font-size:1.08rem;margin:0 0 28px}
.search{position:relative;max-width:640px}
.search svg{position:absolute;left:16px;top:50%;width:20px;height:20px;transform:translateY(-50%);fill:none;stroke:var(--navy-3);stroke-width:2;stroke-linecap:round}
.search input{width:100%;font:500 1rem var(--sans);padding:15px 18px 15px 46px;border-radius:12px;border:1px solid rgba(226,196,122,.5);background:#fff;color:var(--ink);box-shadow:0 10px 30px rgba(0,0,0,.18)}
.search input:focus{outline:3px solid rgba(226,196,122,.55);outline-offset:1px}
.stats{display:flex;gap:36px;margin:30px 0 0;flex-wrap:wrap}
.stats div{border-left:2px solid var(--gold);padding-left:12px}
.stats dt{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#aebbd0}
.stats dd{margin:2px 0 0;font:600 1.9rem/1 var(--serif);color:#fff}
.stats dd.small{font-size:1.2rem;padding-top:6px}

/* Pestañas */
.tabs{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.tabs-row{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.tabs-row::-webkit-scrollbar{display:none}
.tab{white-space:nowrap;text-decoration:none;color:var(--muted);font-weight:600;font-size:.95rem;padding:16px 14px 14px;border-bottom:3px solid transparent;display:flex;align-items:center;gap:8px}
.tab:hover{color:var(--navy)}
.tab[aria-current="page"]{color:var(--navy);border-bottom-color:var(--gold)}
.count{font-size:.72rem;background:var(--gold-soft);color:#7a5d1c;border-radius:999px;padding:1px 8px;font-weight:700}

/* Paneles */
main.wrap{padding:40px 20px 64px}
.panel-head{margin-bottom:26px;max-width:780px}
.panel-head h2{font:600 clamp(1.8rem,3.4vw,2.5rem)/1.1 var(--serif);color:var(--navy);margin:0 0 8px}
.subj-meta{margin:0 0 6px;color:var(--muted);font-weight:600;font-size:.92rem}
.subj-desc{margin:0;color:var(--muted)}
.empty{color:var(--muted);background:var(--card);border:1px dashed var(--line-2);border-radius:var(--r);padding:28px;text-align:center}

/* Tarjetas de asignatura */
.subjects{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.subject{position:relative;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px 22px;box-shadow:var(--shadow);overflow:hidden;transition:transform .15s,box-shadow .15s,border-color .15s}
.subject::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.subject:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:0 2px 4px rgba(11,36,70,.06),0 16px 36px rgba(11,36,70,.12)}
.subject-num{position:absolute;right:18px;top:10px;font:700 3.2rem/1 var(--serif);color:var(--gold-soft)}
.subject h3{font:600 1.6rem/1.15 var(--serif);color:var(--navy);margin:8px 0 2px;position:relative;max-width:85%}
.subject .subj-desc{font-size:.95rem}
.subject-go{margin-top:auto;padding-top:14px;font-weight:700;font-size:.9rem;color:var(--navy-3)}

/* Tarjetas de app */
.apps{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:18px}
.app{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 18px;box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s}
.app:hover{border-color:var(--line-2);box-shadow:0 2px 4px rgba(11,36,70,.06),0 14px 32px rgba(11,36,70,.1)}
.app-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.78rem;color:var(--muted-2);margin-bottom:6px}
.tag{background:var(--navy);color:var(--gold-2);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.68rem;padding:3px 8px;border-radius:6px}
.app h3{font:600 1.45rem/1.15 var(--serif);margin:0 0 10px}
.app h3 a{color:var(--navy);text-decoration:none}
.app h3 a:hover{color:var(--navy-3);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px}
.desc{color:#3d4658;font-size:.95rem;max-height:7.6em;overflow:hidden;position:relative}
.desc p{margin:0}
.desc:not(.open)::after{content:"";position:absolute;inset:auto 0 0 0;height:2.2em;background:linear-gradient(transparent,var(--card))}
.desc.open{max-height:none}
.desc.open::after{display:none}
.desc-empty{color:var(--muted-2);font-style:italic}
.more{align-self:flex-start;margin-top:6px;background:none;border:0;padding:0;font:600 .85rem var(--sans);color:var(--navy-3);cursor:pointer}
.more:hover{text-decoration:underline}
.files{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:14px}
.files-label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin-right:4px}
.file{display:inline-flex;align-items:center;gap:6px;max-width:100%;text-decoration:none;font-size:.82rem;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:4px 8px 4px 4px}
.file:hover{border-color:var(--gold)}
.ext{font-size:.62rem;font-weight:700;background:#fff;border:1px solid var(--line);color:var(--navy-3);border-radius:5px;padding:1px 5px}
.fname{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:230px}
.app-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:18px}
.code{font:500 .72rem ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:6px;font:700 .92rem var(--sans);text-decoration:none;border-radius:10px;padding:10px 16px;border:1px solid transparent;cursor:pointer;white-space:nowrap}
.btn-gold{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-gold:hover{background:var(--navy-3)}
.btn-gold span{color:var(--gold-2)}

/* Pie */
.site-footer{background:var(--navy-deep);color:#aab6c8;border-top:3px solid var(--gold);padding:28px 0}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.footer-row p{margin:0;font-size:.9rem}
.site-footer a{color:var(--gold-2);text-decoration:none}
.site-footer a:hover{text-decoration:underline}

@media (max-width:640px){
  .hero{padding:36px 0 32px}
  .apps{grid-template-columns:1fr}
  .stats{gap:22px}
  .header-links{width:100%}
  .hlink{font-size:.82rem;padding:6px 11px}
  .code{display:none}
  main.wrap{padding-top:28px}
}