/* Aula Sin Límites — estilos
   Los colores de marca (--brand, --accent) y las tipografías llegan desde Panel › Apariencia.
   Fondo neutro teñido de marca, tarjetas blancas con sombras suaves, radios amplios. */
:root{
  --brand:#0E5E57; --brand-ink:#fff; --accent:#E4F05C; --accent-ink:#1B2205;
  --f-display:"Schibsted Grotesk","Helvetica Neue",Arial,sans-serif;
  --f-body:"Atkinson Hyperlegible","Segoe UI",Roboto,Arial,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --bg:color-mix(in srgb,var(--brand) 4%,#F8F8F5);
  --surface:#FFFFFF;
  --soft:color-mix(in srgb,var(--brand) 7%,#FFFFFF);
  --soft-2:color-mix(in srgb,var(--brand) 12%,#FFFFFF);
  --line:color-mix(in srgb,var(--brand) 10%,#E3E5E1);
  --ink:#141C1B; --ink-2:#2B3534; --muted:#5D6A68;
  --primary:var(--brand); --primary-ink:var(--brand-ink); --primary-hover:color-mix(in srgb,var(--brand) 82%,#000);
  --mark-bg:linear-gradient(transparent 46%,color-mix(in srgb,var(--accent) 85%,transparent) 46%,color-mix(in srgb,var(--accent) 85%,transparent) 92%,transparent 92%);
  --mark-fg:inherit;
  --ok:#17703F; --ok-bg:#E3F3E9; --bad:#B0372C; --bad-bg:#FBE6E3; --warn:#8A5A00; --warn-bg:#FCF1D8;
  --r-sm:10px; --r:14px; --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(20,28,27,.05);
  --shadow:0 1px 2px rgba(20,28,27,.04),0 8px 28px rgba(20,28,27,.07);
  --shadow-lg:0 2px 6px rgba(20,28,27,.05),0 22px 60px rgba(20,28,27,.12);
  --cert-paper:#FFFFFF; --cert-ink:#141C1B; --cert-pine:var(--brand); --cert-muted:#5D6A68; --cert-marker:var(--accent);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0D1312; --surface:#141C1B; --soft:color-mix(in srgb,var(--brand) 16%,#141C1B); --soft-2:color-mix(in srgb,var(--brand) 26%,#141C1B);
  --line:#26302F; --ink:#E9EFED; --ink-2:#CBD4D2; --muted:#98A6A3;
  --primary:color-mix(in srgb,var(--brand) 55%,#F2FFFC); --primary-ink:#0A1211; --primary-hover:color-mix(in srgb,var(--brand) 40%,#FFFFFF);
  --mark-bg:color-mix(in srgb,var(--accent) 24%,transparent); --mark-fg:#F4F8E0;
  --ok:#6BD198; --ok-bg:#12301F; --bad:#F28E83; --bad-bg:#3A1C19; --warn:#EBBB62; --warn-bg:#33270F;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.28); --shadow-lg:0 2px 6px rgba(0,0,0,.35),0 24px 60px rgba(0,0,0,.4);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0D1312; --surface:#141C1B; --soft:color-mix(in srgb,var(--brand) 16%,#141C1B); --soft-2:color-mix(in srgb,var(--brand) 26%,#141C1B);
  --line:#26302F; --ink:#E9EFED; --ink-2:#CBD4D2; --muted:#98A6A3;
  --primary:color-mix(in srgb,var(--brand) 55%,#F2FFFC); --primary-ink:#0A1211; --primary-hover:color-mix(in srgb,var(--brand) 40%,#FFFFFF);
  --mark-bg:color-mix(in srgb,var(--accent) 24%,transparent); --mark-fg:#F4F8E0;
  --ok:#6BD198; --ok-bg:#12301F; --bad:#F28E83; --bad-bg:#3A1C19; --warn:#EBBB62; --warn-bg:#33270F;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.28); --shadow-lg:0 2px 6px rgba(0,0,0,.35),0 24px 60px rgba(0,0,0,.4);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.015em;font-weight:700}
p{margin:0}
a{color:var(--primary);text-underline-offset:3px}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;cursor:pointer}
button:disabled{cursor:not-allowed}
:focus-visible{outline:2.5px solid var(--primary);outline-offset:2px;border-radius:4px}
mark{background:var(--mark-bg);color:var(--mark-fg);padding:0 2px}
code{font-family:var(--f-mono);font-size:.86em;background:var(--soft);padding:1px 6px;border-radius:6px}
dialog{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.narrow{max-width:780px}
.ic{width:18px;height:18px;flex:none;display:inline-block;vertical-align:middle}
.mono{font-family:var(--f-mono);font-size:.86em;letter-spacing:.02em}
.muted{color:var(--muted)} .small{font-size:13.5px} .tnum{font-variant-numeric:tabular-nums} .nowrap{white-space:nowrap}
.strong{font-weight:700;color:var(--ink);text-decoration:none} a.strong:hover{color:var(--primary)}
.block{display:block} .grow{flex:1;min-width:0}
.label{display:block;font-weight:700;font-size:13.5px;margin-bottom:6px}
.eyebrow{font-family:var(--f-mono);font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.eyebrow-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--soft-2);color:var(--primary);font-size:12.5px;font-weight:700;letter-spacing:.02em}
.eyebrow-pill.on-dark{background:rgba(255,255,255,.14);color:#fff}
.crumb{display:inline-block;color:var(--muted);font-weight:700;font-size:14px;text-decoration:none;margin-bottom:10px}
.crumb:hover{color:var(--primary)}
.hl{background:var(--mark-bg);color:var(--mark-fg);padding:0 4px}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:11px 18px;font-weight:700;font-size:15px;line-height:1.2;background:var(--primary);color:var(--primary-ink);text-decoration:none;transition:background .15s,transform .1s,box-shadow .15s;white-space:nowrap}
.btn:hover:not(:disabled){background:var(--primary-hover)}
.btn:active:not(:disabled){transform:translateY(1px)}
.btn:disabled{opacity:.45}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover:not(:disabled){background:var(--soft)}
.btn-accent,.btn-marker{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover:not(:disabled),.btn-marker:hover:not(:disabled){background:var(--accent);filter:brightness(.95)}
.btn-glass{background:rgba(255,255,255,.14);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.35)}
.btn-glass:hover:not(:disabled){background:rgba(255,255,255,.24)}
.btn-danger{background:var(--bad);color:#fff}
.btn-danger:hover:not(:disabled){background:var(--bad);filter:brightness(.92)}
.btn-sm{padding:7px 12px;font-size:13.5px;border-radius:9px}
.btn-lg{padding:14px 24px;font-size:16px;border-radius:14px}
.btn-block{width:100%}
.icon-btn{width:34px;height:34px;border-radius:9px;border:1.5px solid var(--line);background:var(--surface);display:inline-grid;place-items:center;padding:0;color:var(--ink);flex:none}
.icon-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.icon-btn:disabled{opacity:.3}
.pill-btn{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:3px 11px;font-size:12.5px;font-weight:700;color:var(--muted)}
.pill-btn.on{background:var(--ok-bg);border-color:transparent;color:var(--ok)}
.chip{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}
.chip.on{background:var(--soft-2);border-color:transparent;color:var(--primary)}
.chip:hover{border-color:var(--primary)}
.chip-list{display:flex;flex-wrap:wrap;gap:8px}
.row-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* ---------- formularios ---------- */
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.field .label{font-weight:700;font-size:13.5px;margin:0}
.field small{color:var(--muted);font-size:12.5px;line-height:1.45}
.field-sm{max-width:280px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],input[type=search],input[type=file],textarea,select{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:11px;padding:10px 13px;transition:border-color .15s,box-shadow .15s}
input[type=file]{padding:8px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 16%,transparent)}
textarea{resize:vertical;min-height:90px;line-height:1.55}
.mono-area{font-family:var(--f-mono);font-size:13px}
.form-stack{display:flex;flex-direction:column;gap:16px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px;align-items:start}
.form-grid .full{grid-column:1/-1}
@media (max-width:680px){.form-grid{grid-template-columns:1fr}}
.form-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px}
.inline-form{display:inline-flex;gap:6px;align-items:center;margin:2px 0}
.inline-form select{width:auto;max-width:260px}
.check{display:flex;align-items:flex-start;gap:10px;font-weight:600;font-size:14.5px;line-height:1.45;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--primary);flex:none;margin-top:2px}
.radio-card{display:flex;gap:12px;align-items:flex-start;border:1.5px solid var(--line);border-radius:var(--r);padding:12px 14px;cursor:pointer;margin-top:8px}
.radio-card:has(input:checked){border-color:var(--primary);background:var(--soft)}
.radio-card input{accent-color:var(--primary);margin-top:4px}
.radio-card small{display:block;color:var(--muted);font-size:13px}
.switch{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
.switch input{position:absolute;opacity:0;width:1px;height:1px}
.switch-ui{width:44px;height:26px;border-radius:999px;background:var(--line);position:relative;flex:none;transition:background .2s;margin-top:1px}
.switch-ui::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s}
.switch input:checked + .switch-ui{background:var(--primary)}
.switch input:checked + .switch-ui::after{transform:translateX(18px)}
.switch input:focus-visible + .switch-ui{outline:2.5px solid var(--primary);outline-offset:2px}
.switch small{display:block;color:var(--muted);font-size:13px;font-weight:400}
.color-field{display:flex;align-items:center;gap:10px}
.color-field input{width:54px;height:40px;border:1.5px solid var(--line);border-radius:10px;padding:3px;background:var(--surface);cursor:pointer}
.search-inline{display:flex;gap:8px;align-items:center}
.search-inline input{min-width:220px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- pastillas y avisos ---------- */
.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--soft);color:var(--muted);white-space:nowrap;text-decoration:none;line-height:1.5}
.pill .ic{width:13px;height:13px}
.pill-ok{background:var(--ok-bg);color:var(--ok)} .pill-bad{background:var(--bad-bg);color:var(--bad)} .pill-warn{background:var(--warn-bg);color:var(--warn)}
.pill-brand,.pill-pine{background:var(--soft-2);color:var(--primary)}
.pill-accent{background:color-mix(in srgb,var(--accent) 35%,var(--surface));color:var(--ink)}
.pill-glass{background:rgba(255,255,255,.9);color:#141C1B}
.notice{background:var(--warn-bg);color:var(--ink);border-radius:var(--r);padding:12px 16px;font-size:14.5px;display:flex;gap:10px;align-items:flex-start}
.notice-ok{background:var(--ok-bg)}
.flash{border-radius:var(--r);padding:12px 16px;font-size:15px;margin:0 0 16px;font-weight:700;overflow-wrap:anywhere}
.flash-ok{background:var(--ok-bg);color:var(--ok)} .flash-bad{background:var(--bad-bg);color:var(--bad)}
.flash-warn{background:var(--warn-bg);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--warn)}
.empty{background:var(--surface);border:1.5px dashed var(--line);border-radius:var(--r-lg);padding:40px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.empty h3{font-size:21px} .empty p{color:var(--muted);max-width:52ch}
.empty-inline{background:var(--soft);border-radius:var(--r);padding:16px 18px;color:var(--muted);font-size:14.5px}
.loading{padding:60px 0;text-align:center}
.loading span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--primary);margin:0 3px;animation:pulse 1s infinite ease-in-out}
.loading span:nth-child(2){animation-delay:.15s}.loading span:nth-child(3){animation-delay:.3s}
@keyframes pulse{0%,100%{opacity:.25}50%{opacity:1}}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--soft-2);color:var(--primary);display:inline-grid;place-items:center;font-weight:800;font-size:14px;font-family:var(--f-display);flex:none}
.avatar.sm{width:32px;height:32px;font-size:12.5px}
.avatar.lg{width:64px;height:64px;font-size:22px}

/* ---------- marca ---------- */
.brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink);text-decoration:none;min-width:0}
.brand-ic{width:36px;height:36px;border-radius:10px;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;flex:none}
.brand-logo{height:38px;width:auto;max-width:150px;object-fit:contain;flex:none}
.brand-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-family:var(--f-body);font-weight:700;font-size:12px;color:var(--muted);border-left:1.5px solid var(--line);padding-left:10px;white-space:nowrap}

/* ================= AULA ================= */
.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:16px;min-height:66px;padding-block:10px}
.nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav-btn{padding:8px 13px;border-radius:10px;font-weight:700;font-size:14.5px;color:var(--muted);white-space:nowrap;text-decoration:none}
.nav-btn:hover{color:var(--ink);background:var(--soft)}
.nav-btn[aria-current="page"]{color:var(--primary);background:var(--soft-2)}
.avatar-link{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:700;font-size:14px;padding:4px 10px 4px 4px;border-radius:999px}
.avatar-link:hover,.avatar-link[aria-current="page"]{background:var(--soft)}
@media (max-width:720px){.topbar-in{flex-wrap:wrap;gap:6px 10px}.nav{order:3;margin-left:0;width:100%}.avatar-link{margin-left:auto}.avatar-name,.brand-sub{display:none}}
body.aula main{padding-block:32px 96px}
.site-mini{border-top:1px solid var(--line);padding-block:20px;color:var(--muted);font-size:13.5px}
.site-mini .wrap{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.site-mini a{color:var(--muted)}

/* acceso */
.auth-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;max-width:1000px;margin:12px auto 0;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);overflow:hidden}
@media (max-width:820px){.auth-split{grid-template-columns:1fr}.auth-side{display:none}}
.auth-side{background:radial-gradient(120% 90% at 0% 0%,color-mix(in srgb,var(--brand) 70%,#fff) 0%,var(--brand) 55%,color-mix(in srgb,var(--brand) 70%,#000) 100%);color:#fff;padding:44px 40px;display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden}
.auth-side::after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;background:var(--accent);opacity:.9}
.auth-side h2{font-size:32px;line-height:1.1}
.auth-side p{opacity:.85;max-width:40ch}
.auth-points{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:10px;position:relative;z-index:1}
.auth-points li{padding-left:26px;position:relative;font-weight:700}
.auth-points li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}
.auth{max-width:440px;margin:0 auto;display:flex;flex-direction:column;gap:14px;padding:40px 36px;width:100%}
.auth h1{font-size:34px;font-weight:800;letter-spacing:-.03em}
.auth-alt{font-size:14.5px;line-height:1.6}
section.auth:only-child,#app > section.auth{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow)}

/* panel del alumno */
.welcome{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;align-items:center;border-radius:var(--r-lg);padding:36px 38px;color:#fff;margin-bottom:36px;position:relative;overflow:hidden;
  background:radial-gradient(90% 140% at 100% 0%,color-mix(in srgb,var(--accent) 45%,var(--brand)) 0%,transparent 55%),linear-gradient(135deg,var(--brand),color-mix(in srgb,var(--brand) 65%,#000));box-shadow:var(--shadow-lg)}
@media (max-width:860px){.welcome{grid-template-columns:1fr;padding:28px 24px}}
.welcome h1{font-size:clamp(30px,4.2vw,44px);font-weight:800;letter-spacing:-.03em;margin:12px 0 10px}
.welcome p{opacity:.88;max-width:52ch;margin-bottom:20px;font-size:16.5px}
.welcome-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.welcome-stats div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:var(--r);padding:14px;backdrop-filter:blur(4px)}
.welcome-stats b{display:block;font-family:var(--f-display);font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.welcome-stats span{font-size:12px;text-transform:uppercase;letter-spacing:.07em;font-weight:700;opacity:.82}
.section-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 16px}
.section-h h2{font-size:24px;font-weight:800}
.section-h h3{font-size:18px}
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:20px}
.ccard{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:transform .2s,box-shadow .2s}
.ccard:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.ccard-cover{display:block;aspect-ratio:16/8;background-size:cover;background-position:center;position:relative}
.ccard-cover .pill{position:absolute;left:12px;top:12px}
.ccard-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.ccard-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.ccard h3{font-size:19px;font-weight:700}
.ccard h3 a{color:var(--ink);text-decoration:none}
.ccard .btn{margin-top:auto}
.bar{height:8px;border-radius:99px;background:var(--soft-2);overflow:hidden;flex:1;display:block}
.bar i{display:block;height:100%;background:var(--primary);border-radius:99px;transition:width .4s}
.prog-row{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--muted)}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:10px}
.badge{display:flex;align-items:center;gap:12px;background:var(--surface);border-radius:var(--r);padding:10px 14px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.badge svg{width:34px;height:34px;flex:none}
.badge b{display:block;font-size:14px} .badge small{display:block;font-size:12.5px;color:var(--muted)}
.badge.off{opacity:.55} .badge.off .hex{fill:var(--soft-2)}
.hex{fill:var(--accent)} .hex-t{fill:var(--accent-ink);font-family:var(--f-display);font-weight:800;font-size:10px} .badge.off .hex-t{fill:var(--muted)}

/* reproductor */
.course-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:920px){.course-layout{grid-template-columns:1fr;gap:20px}}
.course-main{min-width:0}
.side{position:sticky;top:86px;max-height:calc(100vh - 104px);overflow:auto;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow)}
@media (max-width:920px){.side{position:static;max-height:none}}
.side summary{list-style:none;cursor:pointer;padding:18px 18px 14px;display:flex;flex-direction:column;gap:10px}
.side summary::-webkit-details-marker{display:none}
.side-title{font-family:var(--f-display);font-weight:800;font-size:17px;line-height:1.25}
.side-body{padding:0 10px 14px}
.side-mod{margin-top:8px}
.side-mod-t{font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--muted);padding:8px 8px 4px}
.side-l{display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;border:0;background:none;padding:9px 8px;border-radius:11px;font-size:14.5px;line-height:1.35}
.side-l:hover{background:var(--soft)}
.side-l[aria-current="true"]{background:var(--soft-2);font-weight:700}
.side-l .st{width:20px;height:20px;border-radius:50%;flex:none;display:grid;place-items:center;border:1.5px solid var(--line);margin-top:1px;background:var(--surface)}
.side-l .st.done{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}
.side-l .st.done .ic{width:12px;height:12px}
.side-l[aria-current="true"] .st:not(.done){border-color:var(--primary);box-shadow:inset 0 0 0 4px var(--surface);background:var(--primary)}
.side-l small{display:block;color:var(--muted);font-weight:400;font-size:12px}
.side-exam{margin:12px 8px 0;padding-top:12px;border-top:1px solid var(--line)}
.lesson{max-width:740px;min-width:0}
.lesson-top{display:flex;gap:18px;flex-wrap:wrap}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:700;font-size:14px;margin-bottom:18px;text-decoration:none}
.back:hover{color:var(--primary)}
.lesson h1,.page-h1{font-size:clamp(30px,3.8vw,42px);font-weight:800;margin-top:10px;letter-spacing:-.03em}
.page-h1{margin-bottom:22px}
.blk{margin-top:28px}
.prose{font-size:17.5px;line-height:1.75;max-width:66ch;display:flex;flex-direction:column;gap:14px;color:var(--ink-2)}
.prose h2{font-size:24px;font-weight:800;margin-top:10px;color:var(--ink)}
.prose h3{font-size:19px;color:var(--ink)}
.prose ul{margin:0;padding-left:22px;display:grid;gap:6px}
.prose strong{color:var(--ink)}
.small-prose{font-size:15px}
.card-blk{background:var(--surface);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow)}
@media (max-width:520px){.card-blk{padding:18px}}
.blk-tag{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.blk-tag > span:first-child{font-family:var(--f-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--primary)}
.blk-q{font-size:19.5px;font-weight:700;line-height:1.35;margin-bottom:16px}
.callout{background:var(--soft);border-radius:var(--r-lg);padding:20px 22px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 14px}
.callout-aviso{background:var(--warn-bg)}
.callout-ic{grid-row:span 2;width:38px;height:38px;border-radius:12px;background:var(--surface);color:var(--primary);display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.callout-k{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--primary);font-weight:500}
.callout h3{font-size:17.5px}
.callout .cbody{grid-column:2;font-size:16px;display:flex;flex-direction:column;gap:8px;margin-top:4px;color:var(--ink-2)}
.opts{display:grid;gap:9px}
.opt{display:flex;align-items:flex-start;gap:12px;text-align:left;width:100%;background:var(--surface);border:1.5px solid var(--line);border-radius:13px;padding:13px 15px;font-size:16px;transition:border-color .15s,background .15s,transform .1s}
.opt:hover:not(:disabled){border-color:var(--primary);background:var(--soft)}
.opt:disabled{cursor:default}
.opt-letter{font-family:var(--f-mono);font-size:12px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--soft-2);color:var(--primary);flex:none}
.opt.is-ok{border-color:var(--ok);background:var(--ok-bg)} .opt.is-ok .opt-letter{background:var(--ok);color:#fff}
.opt.is-bad{border-color:var(--bad);background:var(--bad-bg);animation:shake .35s} .opt.is-bad .opt-letter{background:var(--bad);color:#fff}
.opt.is-dim{opacity:.55}
@keyframes shake{0%,100%{transform:none}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.fb{margin-top:14px;padding:13px 15px;border-radius:13px;font-size:15px;line-height:1.55}
.fb-ok{background:var(--ok-bg)} .fb-ok strong{color:var(--ok)} .fb-bad{background:var(--bad-bg)} .fb-bad strong{color:var(--bad)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,190px),1fr));gap:12px}
.fcard{perspective:1000px;height:184px;border:0;background:none;padding:0;text-align:center}
.fcard-in{position:relative;display:block;width:100%;height:100%;transition:transform .6s cubic-bezier(.3,.7,.3,1);transform-style:preserve-3d}
.fcard.flipped .fcard-in{transform:rotateY(180deg)}
.face{position:absolute;inset:0;border-radius:16px;padding:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:auto}
.face.front{background:var(--soft);font-family:var(--f-display);font-weight:800;font-size:18px;line-height:1.2;border:1.5px solid var(--line)}
.face.front small{font-family:var(--f-body);font-weight:400;font-size:12px;color:var(--muted)}
.face.back{background:var(--primary);color:var(--primary-ink);font-size:14.5px;line-height:1.45;transform:rotateY(180deg)}
.fcard.seen .face.front{border-color:var(--primary)}
.order{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.ord-item{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);background:var(--surface);border-radius:13px;padding:8px 8px 8px 15px;transition:border-color .2s,background .2s}
.ord-n{font-family:var(--f-mono);font-size:13px;color:var(--muted);width:18px}
.ord-t{flex:1;min-width:0;font-size:16px}
.ord-btns{display:flex;gap:4px}
.ord-item.is-ok{border-color:var(--ok);background:var(--ok-bg)} .ord-item.is-bad{border-color:var(--bad);background:var(--bad-bg)}
.blk-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px}
.match{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
@media (max-width:620px){.match{grid-template-columns:1fr}}
.match-col{display:flex;flex-direction:column;gap:8px;min-width:0}
.match-col h4{margin:0;font-size:11.5px;font-family:var(--f-mono);font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.m-item{display:flex;align-items:center;gap:10px;text-align:left;width:100%;border:1.5px solid var(--line);background:var(--surface);border-radius:13px;padding:10px 13px;font-size:15px;line-height:1.35;min-height:54px}
.m-item:hover:not(:disabled){border-color:var(--primary)}
.m-item.is-sel{border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 18%,transparent)}
.m-item.is-paired{background:var(--soft)} .m-item.is-ok{border-color:var(--ok);background:var(--ok-bg)} .m-item.is-bad{border-color:var(--bad);background:var(--bad-bg);animation:shake .35s}
.m-item:disabled{cursor:default}
.m-chip{width:24px;height:24px;border-radius:50%;flex:none;display:grid;place-items:center;font-family:var(--f-mono);font-size:12px;border:1.5px dashed var(--line);color:var(--muted)}
.m-chip.on{border:0;background:var(--primary);color:var(--primary-ink)}
.is-ok .m-chip.on{background:var(--ok);color:#fff}
.situation{background:var(--soft);border-radius:var(--r);padding:16px 18px;font-size:16.5px;line-height:1.65;margin-bottom:14px}
.scen-fb{margin:-2px 0 4px 38px;font-size:14.5px;padding:10px 13px;border-radius:11px}
.err{color:var(--bad);font-size:14px}
textarea[data-refl]{min-height:120px}
.media{margin:0}
.media img,.video-el{width:100%;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.media figcaption{color:var(--muted);font-size:14px;margin-top:10px;text-align:center}
.video-frame{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);background:#000}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.res-card{display:flex;align-items:center;gap:14px;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r);padding:14px 16px;text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.res-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.res-card b{display:block;font-size:16px}
.res-card small{display:block;color:var(--muted);font-size:13.5px}
.res-url{font-family:var(--f-mono);font-size:12px!important;overflow-wrap:anywhere}
.res-ic{width:44px;height:44px;border-radius:12px;background:var(--soft-2);color:var(--primary);display:grid;place-items:center;flex:none}
.res-go{margin-left:auto;color:var(--primary)}
.res-card > span:nth-child(2){min-width:0}
.pdf-view{margin-top:10px}
.pdf-view summary{cursor:pointer;font-weight:700;color:var(--primary);font-size:14.5px}
.pdf-view iframe{width:100%;height:min(80vh,760px);border:1px solid var(--line);border-radius:var(--r);margin:10px 0 6px;background:#fff}
.pdf-view a{font-size:13.5px}
.lesson-foot{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.lesson-foot p{color:var(--muted);font-size:14.5px;display:flex;gap:6px;align-items:center}

/* examen */
.exam-intro{background:var(--surface);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:18px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.fact{background:var(--soft);border-radius:var(--r);padding:12px 14px}
.fact b{display:block;font-family:var(--f-display);font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}
.fact span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:700}
.history{display:grid;gap:6px;border-top:1px solid var(--line);padding-top:16px}
.history-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14.5px}
.history-row > span:first-child{min-width:150px;color:var(--muted)}
.exq{border:0;background:var(--surface);border-radius:var(--r-lg);padding:20px 22px;margin:16px 0 0;min-width:0;box-shadow:var(--shadow)}
.exq legend{float:left;width:100%;padding:0;margin-bottom:6px;font-family:var(--f-display);font-weight:700;font-size:18px;line-height:1.35;display:flex;gap:12px}
.exq legend + *{clear:both}
.exq-n{font-family:var(--f-mono);font-size:12px;width:28px;height:28px;border-radius:9px;background:var(--soft-2);color:var(--primary);display:grid;place-items:center;flex:none;font-weight:500}
.exq-hint{clear:both;color:var(--muted);font-size:13px;margin:0 0 6px 40px}
.exopt{display:flex;gap:12px;align-items:flex-start;padding:11px 13px;border-radius:12px;border:1.5px solid var(--line);margin-top:8px;cursor:pointer;font-size:15.5px}
.exopt:hover{border-color:var(--primary)}
.exopt:has(input:checked){border-color:var(--primary);background:var(--soft)}
.exopt input{accent-color:var(--primary);margin-top:4px;flex:none;width:16px;height:16px}
.tf-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.short-in{margin-top:6px;max-width:420px}
.essay-in{margin-top:6px;min-height:150px}
.exam-bar{position:sticky;bottom:0;margin-top:20px;background:var(--surface);border-radius:var(--r);padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.exam-timer{position:sticky;top:76px;z-index:5;display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--surface);border-radius:999px;padding:8px 16px;font-family:var(--f-mono);font-size:15px;box-shadow:var(--shadow);float:right}
.exam-timer.urgent{background:var(--bad);color:#fff}
.result{display:grid;grid-template-columns:auto minmax(0,1fr);gap:26px;align-items:center;background:var(--surface);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow)}
@media (max-width:560px){.result{grid-template-columns:1fr;justify-items:start}}
.result-ic{width:72px;height:72px;border-radius:50%;background:var(--warn-bg);color:var(--warn);display:grid;place-items:center}
.result-ic .ic{width:34px;height:34px}
.result-copy{display:flex;flex-direction:column;gap:10px;min-width:0}
.result-copy h2{font-size:28px;font-weight:800}
.ring{width:132px;height:132px}
.ring-track{fill:none;stroke:var(--soft-2);stroke-width:12}
.ring-val{fill:none;stroke-width:12;stroke-linecap:round;transform:rotate(-90deg);transform-origin:center}
.ring-num{font-family:var(--f-display);font-weight:800;font-size:30px;fill:var(--ink)}
.ring-sub{font-size:11px;fill:var(--muted);font-family:var(--f-body)}
.review-h{margin-top:30px;font-size:19px}
.review{display:grid;gap:8px;margin-top:12px}
.review details{background:var(--surface);border-radius:var(--r);padding:13px 15px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.review summary{cursor:pointer;display:flex;gap:10px;align-items:flex-start;font-weight:700;font-size:15px}
.review summary .ic{margin-top:2px}
.review .r-body{margin-top:8px;font-size:14.5px;color:var(--muted);display:grid;gap:5px;padding-left:28px}
.r-comment{background:var(--soft);border-radius:10px;padding:8px 11px;color:var(--ink)}
.ok-t{color:var(--ok)} .bad-t{color:var(--bad)} .warn-t{color:var(--warn)}

/* certificado */
.cert{container-type:inline-size;position:relative;width:100%;max-width:100%;aspect-ratio:297/210;background:var(--cert-paper);color:var(--cert-ink);border-radius:8px;box-shadow:var(--shadow-lg);overflow:hidden;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif}
.cert::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2.7%;background:var(--cert-marker)}
.cert-frame{position:absolute;left:5.4%;right:4.4%;top:5.7%;bottom:5.7%;border:.28cqw solid var(--cert-pine)}
.cert-frame::after{content:"";position:absolute;inset:.9cqw;border:.08cqw solid var(--cert-pine)}
.cert-in{position:absolute;left:9.4%;right:9.4%;top:9.5%;bottom:8.5%;display:flex;flex-direction:column;align-items:center;text-align:center}
.cert-top{width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:2cqw}
.cert-org{font-weight:700;font-size:1.55cqw;letter-spacing:.22cqw;color:var(--cert-pine);text-transform:uppercase;text-align:left}
.cert-code{font-family:var(--f-mono);font-size:1.05cqw;color:var(--cert-muted)}
.cert-kind{margin-top:4.6cqw;font-size:1.25cqw;letter-spacing:.45cqw;color:var(--cert-muted)}
.cert-small{font-size:1.5cqw;margin-top:1.8cqw}
.cert-name{font-weight:700;font-size:3.6cqw;margin-top:1.2cqw;line-height:1.1;background:linear-gradient(transparent 52%,var(--cert-marker) 52%,var(--cert-marker) 94%,transparent 94%);padding:0 1cqw}
.cert-course{font-weight:700;font-size:2.3cqw;color:var(--cert-pine);margin-top:1.3cqw;line-height:1.2;max-width:80%}
.cert-dur{font-size:1.4cqw;margin-top:1.5cqw}
.cert-bottom{margin-top:auto;width:100%;display:flex;justify-content:space-between;align-items:flex-end;text-align:left}
.cert-sign{font-size:1.3cqw;line-height:1.35}
.cert-sign .line{width:24cqw;border-top:.1cqw solid var(--cert-ink);margin:4.6cqw 0 .8cqw}
.cert-sign .role{color:var(--cert-muted);font-size:1.1cqw}
.cert-qr{display:flex;align-items:center;gap:1.4cqw;font-size:1.05cqw;text-align:right;line-height:1.4}
.cert-qr svg{width:10.5cqw;height:10.5cqw}
.cert-qr .mono{font-size:1.05cqw;color:var(--cert-ink)}
.cert-legal{position:absolute;bottom:2.4%;left:0;right:0;text-align:center;font-size:.85cqw;color:var(--cert-muted)}
.cert-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,440px),1fr));gap:28px}
.cert-item{display:flex;flex-direction:column;gap:12px;min-width:0}
.cert-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.cert-actions{display:flex;flex-wrap:wrap;gap:8px}
.link-field{display:none;font-family:var(--f-mono);font-size:13px}
.panel-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:14px;margin-bottom:22px}
.panel-head h1{font-size:clamp(30px,3.8vw,40px);font-weight:800;letter-spacing:-.03em;margin-top:8px}
.grid-2,.split-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
@media (max-width:820px){.grid-2,.split-2{grid-template-columns:1fr}}

/* verificación */
.verify{max-width:780px;margin:0 auto}
.verify h1{font-size:clamp(32px,4.4vw,46px);font-weight:800;letter-spacing:-.03em;margin-top:14px}
.verify .lead{color:var(--muted);margin-top:12px;font-size:17px}
.vform{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.vform input{flex:1;min-width:200px;font-family:var(--f-mono);font-size:17px;letter-spacing:.06em;text-transform:uppercase;padding:14px 16px}
.vres{margin-top:26px;border-radius:var(--r-lg);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.vres-head{display:flex;align-items:center;gap:12px;padding:18px 22px;font-family:var(--f-display);font-weight:800;font-size:21px}
.vres-head.ok{background:var(--ok-bg);color:var(--ok)} .vres-head.bad{background:var(--bad-bg);color:var(--bad)}
.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 22px;padding:6px 22px 20px;margin:0}
.vgrid div{padding:12px 0;border-bottom:1px solid var(--line);min-width:0}
.vgrid dt{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.vgrid dd{margin:2px 0 0;font-size:16px;font-weight:700;overflow-wrap:anywhere}
.vres-body{padding:16px 22px;color:var(--muted)}

/* ================= PANEL ================= */
body.admin{background:var(--bg)}
.adm{display:grid;grid-template-columns:262px minmax(0,1fr);min-height:100vh}
.adm-side{position:sticky;top:0;height:100vh;overflow:auto;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:6px;padding:20px 14px}
.adm-side > .brand{padding:4px 8px 16px;font-size:17px}
.adm-nav{display:flex;flex-direction:column;gap:2px;flex:1}
.adm-nav-h{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700;padding:16px 12px 6px}
.adm-nav a,.adm-side-foot a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:11px;color:var(--ink-2);text-decoration:none;font-weight:600;font-size:14.5px}
.adm-nav a:hover,.adm-side-foot a:hover{background:var(--soft)}
.adm-nav a[aria-current="page"]{background:var(--soft-2);color:var(--primary);font-weight:800}
.adm-nav a .ic,.adm-side-foot a .ic{color:var(--muted)}
.adm-nav a[aria-current="page"] .ic{color:var(--primary)}
.count{margin-left:auto;background:var(--accent);color:var(--accent-ink);border-radius:999px;padding:1px 8px;font-size:12px;font-weight:800}
.adm-side-foot{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:2px}
.adm-user{display:flex;align-items:center;gap:10px;padding:10px 6px 0}
.adm-user b{display:block;font-size:13.5px;line-height:1.2}
.adm-user small{display:block;color:var(--muted);font-size:12px}
.adm-user > span:nth-child(2){flex:1;min-width:0}
.adm-main{min-width:0;display:flex;flex-direction:column}
.adm-top{display:none}
.adm-content{padding:32px clamp(18px,3.5vw,44px) 90px;max-width:1320px;width:100%}
@media (max-width:980px){
  .adm{grid-template-columns:1fr}
  .adm-side{position:fixed;inset:0 auto 0 0;width:280px;z-index:50;transform:translateX(-105%);transition:transform .25s;box-shadow:var(--shadow-lg)}
  body.nav-open .adm-side{transform:none}
  .adm-top{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line);padding:10px max(16px,env(safe-area-inset-left,0px))}
  .adm-top-title{font-weight:800;font-family:var(--f-display)}
}
.adm-h1{font-size:clamp(26px,3vw,34px);font-weight:800;letter-spacing:-.025em}
.page-head-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:24px}
.page-head-row p{margin-top:6px}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:22px}
@media (max-width:900px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
.kpi{background:var(--surface);border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px;text-decoration:none;color:var(--ink)}
.kpi span{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:700}
.kpi b{font-family:var(--f-display);font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.15}
.kpi small{color:var(--muted);font-size:13px}
.kpi-link:hover{box-shadow:var(--shadow-lg)}
.kpi-warn{background:linear-gradient(135deg,var(--surface),var(--warn-bg))}
.kpis-sm .kpi b{font-size:26px}
.dash-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:900px){.dash-grid{grid-template-columns:1fr}}
.box{background:var(--surface);border-radius:var(--r-lg);padding:22px 24px;margin-bottom:20px;box-shadow:var(--shadow);min-width:0}
.box > h3,.box-h h3{font-size:18px;font-weight:800}
.box > h3{margin-bottom:6px}
.box > p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.box summary{cursor:pointer}
.box-h{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.box-h a{font-weight:700;font-size:14px;text-decoration:none}
.box-highlight{box-shadow:0 0 0 2px var(--accent),var(--shadow)}
.box-publish{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:var(--soft)}
.danger-zone{border:1.5px solid color-mix(in srgb,var(--bad) 35%,transparent);box-shadow:none}
.list-rows{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.list-rows li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.list-rows li:last-child{border-bottom:0}
.mini-cover{width:48px;height:36px;border-radius:9px;background-size:cover;background-position:center;flex:none}
.mini{display:flex;align-items:center;gap:8px;min-width:140px;font-size:12.5px;color:var(--muted);margin-top:3px}
.mini .bar{height:6px}
.course-admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:20px}
.ca-card{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:visible;display:flex;flex-direction:column;min-width:0}
.ca-cover{display:flex;gap:6px;align-items:flex-start;padding:12px;aspect-ratio:16/7;background-size:cover;background-position:center;border-radius:var(--r-lg) var(--r-lg) 0 0;text-decoration:none}
.ca-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.ca-body h3{font-size:18px} .ca-body h3 a{color:var(--ink);text-decoration:none}
.ca-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:4px 0;background:var(--soft);border-radius:12px;padding:10px}
.ca-stats dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.ca-stats dd{margin:0;font-family:var(--f-display);font-weight:800;font-size:20px}
.ca-actions{display:flex;gap:8px;margin-top:auto;padding-top:6px;align-items:center}
.menu{position:relative}
.menu > summary{list-style:none}
.menu > summary::-webkit-details-marker{display:none}
.menu-pop{position:absolute;right:0;top:calc(100% + 6px);z-index:30;background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:6px;min-width:210px;display:flex;flex-direction:column}
.menu-pop-wide{min-width:300px;gap:10px;padding:12px}
.menu-pop a,.menu-pop button:not(.btn){display:block;width:100%;text-align:left;padding:9px 12px;border-radius:9px;border:0;background:none;font-size:14.5px;color:var(--ink);text-decoration:none;font-weight:600}
.menu-pop a:hover,.menu-pop button:not(.btn):hover{background:var(--soft)}
.menu-pop .danger{color:var(--bad)}
.menu-form{display:flex;flex-direction:column;gap:6px}
.menu-form label{font-size:12.5px;font-weight:700;display:flex;flex-direction:column;gap:4px;color:var(--muted)}
.menu-form .btn{align-self:flex-start}
.dlg{border:0;border-radius:var(--r-lg);padding:26px;width:min(520px,calc(100vw - 32px));background:var(--surface);color:var(--ink);box-shadow:var(--shadow-lg)}
.dlg::backdrop{background:rgba(10,16,15,.45);backdrop-filter:blur(2px)}
.dlg h3{font-size:21px;margin-bottom:8px}
.dlg > form > p{margin-bottom:14px}
.dlg .field{margin-top:12px}
.dlg-wide{width:min(860px,calc(100vw - 32px))}
.dlg-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
.course-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:18px;flex-wrap:wrap}
.course-head-cover{width:120px;aspect-ratio:16/10;border-radius:14px;background-size:cover;background-position:center;flex:none;box-shadow:var(--shadow)}
.row-pills{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow-x:auto}
.tab{padding:11px 15px;font-weight:700;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap;text-decoration:none}
.tab:hover{color:var(--ink)}
.tab[aria-current="page"]{color:var(--primary);border-bottom-color:var(--primary)}
.settings-layout{max-width:880px}
.cover-edit{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.cover-edit > .form-stack{flex:1;min-width:240px}
.cover-preview{width:240px;max-width:100%;aspect-ratio:16/9;border-radius:14px;background-size:cover;background-position:center;box-shadow:var(--shadow)}
.logo-preview{width:140px;height:100px;border-radius:14px;background:var(--soft);display:grid;place-items:center}
.logo-preview .brand-logo{height:64px;max-width:120px}
.logo-preview .brand-ic{width:56px;height:56px;border-radius:16px}
.user-picker{position:relative}
.picker-results{position:absolute;left:0;right:0;top:100%;z-index:20;background:var(--surface);border-radius:12px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}
.picker-results:empty{display:none}
.picker-results button{display:flex;flex-direction:column;align-items:flex-start;padding:9px 12px;border:0;background:none;text-align:left}
.picker-results button:hover{background:var(--soft)}
.picker-results small{color:var(--muted)}
.picker-results > span{padding:10px 12px}
.table-wrap{overflow-x:auto;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.table-wrap.flat{box-shadow:none;border-radius:0;background:transparent}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{text-align:left;font-family:var(--f-mono);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:13px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
th.sortable{cursor:pointer;user-select:none}
th.sortable::after{content:" ↕";opacity:.35}
th[data-dir=asc]::after{content:" ↑";opacity:1} th[data-dir=desc]::after{content:" ↓";opacity:1}
td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle;font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:0}
td .sub{display:block;font-size:12.5px;color:var(--muted)}
.w-check{width:40px}
.w-check input{width:17px;height:17px;accent-color:var(--primary)}
.row-muted td{opacity:.55}
.user-cell{display:flex;align-items:center;gap:10px}
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px}
.seg{display:inline-flex;background:var(--surface);border-radius:12px;padding:4px;box-shadow:var(--shadow-sm);border:1px solid var(--line);overflow-x:auto;max-width:100%}
.seg a{padding:7px 13px;border-radius:9px;font-weight:700;font-size:13.5px;color:var(--muted);text-decoration:none;white-space:nowrap}
.seg a[aria-current="page"]{background:var(--soft-2);color:var(--primary)}
.bulk-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px;padding:10px 14px;border-radius:12px;background:var(--surface);border:1px dashed var(--line)}
.bulk-bar select{width:auto;max-width:320px}
form[data-bulk].has-sel .bulk-bar{border-style:solid;border-color:var(--primary);background:var(--soft)}
.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:16px}
.group-card{background:var(--surface);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink)}
.group-card:hover{box-shadow:var(--shadow-lg)}
.group-card b{font-family:var(--f-display);font-size:18px}
.group-meta{display:flex;flex-direction:column;gap:6px;margin-top:6px;align-items:flex-start}
.profile-head{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.mini-stats{display:flex;gap:10px}
.mini-stats div{background:var(--surface);border-radius:14px;padding:10px 16px;text-align:center;box-shadow:var(--shadow-sm)}
.mini-stats b{display:block;font-family:var(--f-display);font-size:22px;font-weight:800}
.mini-stats span{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.score-chip{background:var(--surface);border-radius:14px;padding:12px 18px;box-shadow:var(--shadow);text-align:right}
.score-chip span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.score-chip b{font-family:var(--f-display);font-size:26px}
.rq-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.rq-head h3{font-size:17px;margin-top:6px;font-weight:700}
.rq-n{width:30px;height:30px;border-radius:9px;background:var(--soft-2);color:var(--primary);display:grid;place-items:center;font-family:var(--f-mono);font-size:13px;flex:none}
.rq-answer{background:var(--soft);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.essay-text{white-space:normal;line-height:1.65}
.rq-essay{box-shadow:0 0 0 2px var(--accent),var(--shadow)}
.rq-grade{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap;margin-top:10px}
.rq-grade .field:first-child{width:170px}
.sticky-bar{position:sticky;bottom:0;z-index:10;margin-top:10px;background:var(--surface);border-radius:var(--r);padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.msg-list{display:flex;flex-direction:column;gap:10px}
.msg{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.msg summary{list-style:none;cursor:pointer;display:flex;gap:12px;align-items:center;padding:14px 16px}
.msg summary::-webkit-details-marker{display:none}
.msg.unread{border-color:var(--primary)}
.msg.unread summary b::after{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-left:8px;vertical-align:middle;box-shadow:0 0 0 2px var(--surface)}
.msg-body{padding:0 16px 16px 60px;display:flex;flex-direction:column;gap:12px}
.msg-text{line-height:1.65}
.palette-presets{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px}
.palette-presets .label{width:100%}
.swatch{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px 5px 6px;font-size:13px;font-weight:700}
.swatch i{width:18px;height:18px;border-radius:50%;display:inline-block;margin-right:-10px;box-shadow:0 0 0 2px var(--surface)}
.swatch span{margin-left:12px}
.swatch:hover{border-color:var(--primary)}
.font-options{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:12px}
.font-card{display:flex;align-items:center;gap:14px;border:1.5px solid var(--line);border-radius:var(--r);padding:14px;cursor:pointer}
.font-card:has(input:checked){border-color:var(--primary);background:var(--soft)}
.font-card input{accent-color:var(--primary)}
.font-sample{font-size:38px;font-weight:700;line-height:1;width:54px;text-align:center}
.font-card small{display:block;color:var(--muted);font-size:12.5px}

/* ================= EDITOR ================= */
.editor{min-height:300px}
.ed-bar{position:sticky;top:0;z-index:15;display:flex;align-items:center;justify-content:space-between;gap:12px;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(8px);padding:10px 0;margin:-10px 0 14px;border-bottom:1px solid var(--line)}
@media (max-width:980px){.ed-bar{top:57px}}
.ed-status{font-size:13.5px;font-weight:700;color:var(--muted);display:flex;align-items:center;gap:8px}
.ed-status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}
.ed-status.warn::before{background:var(--warn)} .ed-status.bad::before{background:var(--bad)}
.ed-status.warn{color:var(--warn)} .ed-status.bad{color:var(--bad)}
.ed-bar-actions{display:flex;gap:8px}
.ed-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px;align-items:start}
@media (max-width:1020px){.ed-layout{grid-template-columns:1fr}}
.ed-outline{position:sticky;top:70px;max-height:calc(100vh - 90px);overflow:auto;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:14px;display:flex;flex-direction:column;gap:8px}
@media (max-width:1020px){.ed-outline{position:static;max-height:none}}
.ed-outline-h{display:flex;justify-content:space-between;align-items:baseline;padding:2px 4px 6px}
.ed-mod{border-radius:14px;background:var(--soft);padding:8px;display:flex;flex-direction:column;gap:3px}
.ed-mod-h{display:flex;align-items:center;gap:6px}
.ed-mod-n{width:24px;height:24px;border-radius:7px;background:var(--surface);display:grid;place-items:center;font-family:var(--f-mono);font-size:12px;color:var(--primary);flex:none}
.ed-inline{border:1.5px solid transparent!important;background:transparent!important;padding:5px 7px!important;font-weight:800!important;font-size:14px!important;border-radius:8px!important}
.ed-inline:hover{border-color:var(--line)!important}
.ed-inline:focus{background:var(--surface)!important;border-color:var(--primary)!important}
.ed-tools{display:inline-flex;gap:4px;flex:none}
.ed-tools .icon-btn{width:28px;height:28px;border-radius:8px}
.ed-tools .icon-btn .ic{width:15px;height:15px}
.ed-mod-h .ed-tools{display:none}
.ed-mod:hover .ed-mod-h .ed-tools,.ed-mod-h:focus-within .ed-tools{display:inline-flex}
.ed-les{display:flex;flex-direction:column;align-items:flex-start;text-align:left;width:100%;border:0;background:var(--surface);border-radius:10px;padding:8px 10px;font-size:14px;font-weight:600;border-left:3px solid transparent}
.ed-les small{color:var(--muted);font-weight:400;font-size:12px}
.ed-les:hover{box-shadow:var(--shadow-sm)}
.ed-les.on{border-left-color:var(--primary);box-shadow:var(--shadow-sm);font-weight:800}
.ed-les.warn small::after{content:" · incompleta";color:var(--warn);font-weight:700}
.ed-add-les{border:1.5px dashed var(--line);background:transparent;border-radius:10px;padding:6px;font-size:13px;font-weight:700;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:4px}
.ed-add-les:hover{border-color:var(--primary);color:var(--primary)}
.ed-exam{margin-top:6px;background:var(--soft-2)}
.ed-pane{min-width:0}
.ed-pane-h{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap;margin-bottom:10px}
.ed-pane-h .grow{flex:1 1 320px}
.ed-pane-h .field-sm{width:110px}
.ed-title{font-family:var(--f-display)!important;font-size:clamp(22px,2.6vw,30px)!important;font-weight:800!important;border:1.5px solid transparent!important;background:transparent!important;padding:4px 8px!important;margin-left:-9px;letter-spacing:-.02em}
.ed-title:hover{border-color:var(--line)!important}
.ed-title:focus{background:var(--surface)!important;border-color:var(--primary)!important}
.ed-h2{font-size:28px;font-weight:800}
.ed-ins{display:flex;justify-content:center;height:14px;align-items:center;margin:4px 0}
.ed-ins-btn{width:28px;height:28px;border-radius:50%;border:1.5px dashed var(--line);background:var(--bg);color:var(--muted);display:grid;place-items:center;padding:0;opacity:.4;transition:opacity .15s}
.ed-ins:hover .ed-ins-btn,.ed-ins-btn:focus-visible{opacity:1;border-color:var(--primary);color:var(--primary)}
.ed-ins-btn .ic{width:15px;height:15px}
.ed-block{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);border:1.5px solid transparent;transition:border-color .15s}
.ed-block.is-act{border-left:4px solid var(--accent)}
.ed-block.bad{border-color:var(--bad)}
.ed-block-h{display:flex;align-items:center;gap:8px;padding:10px 12px 10px 8px}
.ed-block-toggle{flex:1;min-width:0;display:flex;align-items:center;gap:10px;border:0;background:none;text-align:left;padding:4px 6px;border-radius:9px}
.ed-block-toggle:hover{background:var(--soft)}
.ed-block-toggle b{font-size:14.5px;white-space:nowrap}
.ed-block-toggle .muted{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1}
.ed-block-toggle .ic{color:var(--primary)}
.ed-block-b{padding:4px 20px 20px;display:flex;flex-direction:column;gap:14px;border-top:1px solid var(--line);padding-top:16px}
.ed-qn{width:26px;height:26px;border-radius:8px;background:var(--soft-2);color:var(--primary);display:grid;place-items:center;font-family:var(--f-mono);font-size:12px;flex:none}
.ed-addzone{margin-top:16px;padding:16px;border-radius:var(--r-lg);border:1.5px dashed var(--line);display:flex;flex-direction:column;align-items:center;gap:10px}
.ed-qadd{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.ed-palette{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:16px;margin:8px 0 14px;display:grid;grid-template-columns:1fr 1fr;gap:16px;border:1.5px solid var(--primary)}
@media (max-width:640px){.ed-palette{grid-template-columns:1fr}}
.ed-palette > div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;align-content:start}
.ed-palette .label{grid-column:1/-1}
.ed-palette button{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);background:var(--surface);border-radius:11px;padding:9px 10px;font-size:14px;font-weight:700;text-align:left}
.ed-palette button:hover{border-color:var(--primary);background:var(--soft)}
.ed-palette button .ic{color:var(--primary)}
.ed-palette-sec{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}
.ed-note{background:var(--soft);border-radius:10px;padding:10px 12px;font-size:13.5px;color:var(--muted)}
.ed-media{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:10px;border:1.5px dashed var(--line);border-radius:14px}
.ed-media.is-busy{opacity:.5;pointer-events:none}
.ed-media img{width:140px;height:90px;object-fit:cover;border-radius:10px}
.ed-ph{width:72px;height:56px;border-radius:10px;background:var(--soft);display:grid;place-items:center;color:var(--muted)}
.ed-file{display:flex;gap:10px;align-items:center}
.ed-file small{display:block;color:var(--muted)}
.ed-media-actions{display:flex;flex-wrap:wrap;gap:6px}
.ed-rows{display:flex;flex-direction:column;gap:6px}
.ed-row{display:flex;gap:6px;align-items:center}
.ed-row input[type=text]{flex:1;min-width:0;padding:8px 11px}
.ed-n{width:22px;text-align:center;font-family:var(--f-mono);font-size:12px;color:var(--muted);flex:none}
.ed-arrow{color:var(--muted);flex:none}
.ed-choice{border-radius:11px;padding:2px 2px 2px 8px;border:1.5px solid transparent}
.ed-choice.ok{border-color:var(--ok);background:var(--ok-bg)}
.ed-choice input[type=radio],.ed-choice input[type=checkbox]{width:18px;height:18px;accent-color:var(--ok);flex:none}
.ed-list{display:flex;flex-direction:column;gap:8px}
.ed-item{border:1.5px solid var(--line);border-radius:14px;background:var(--bg)}
.ed-item-h{display:flex;align-items:center;justify-content:space-between;padding:8px 10px 8px 14px;font-size:13.5px}
.ed-item-b{padding:4px 14px 14px;display:flex;flex-direction:column;gap:10px}
.ed-page{max-width:900px}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;max-height:60vh;overflow:auto;margin-top:10px}
.lib-item{display:flex;flex-direction:column;gap:4px;border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:8px;text-align:left;font-size:12.5px;overflow:hidden}
.lib-item img{width:100%;height:90px;object-fit:cover;border-radius:8px}
.lib-item .ed-ph{width:100%;height:90px}
.lib-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:700}
.lib-item small{color:var(--muted)}
.lib-item:hover{border-color:var(--primary)}

/* ================= WEB PÚBLICA ================= */
body.site{background:var(--surface)}
.site-head{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--surface) 86%,transparent);backdrop-filter:saturate(1.5) blur(12px);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.site-head-in{display:flex;align-items:center;gap:20px;min-height:74px}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.site-nav a:not(.btn){padding:9px 13px;border-radius:10px;color:var(--ink-2);font-weight:700;font-size:15px;text-decoration:none}
.site-nav a:not(.btn):hover{background:var(--soft)}
.site-nav a[aria-current="page"]:not(.btn){color:var(--primary)}
.site-cta{margin-left:10px}
.site-menu-btn{display:none;margin-left:auto}
@media (max-width:900px){
  .site-menu-btn{display:inline-grid}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--surface);padding:12px max(20px,env(safe-area-inset-left,0px)) 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg)}
  body.menu-open .site-nav{display:flex}
  .site-cta{margin:8px 0 0}
}
.sec{padding-block:clamp(56px,8vw,96px)}
.sec-tight{padding-block:clamp(28px,4vw,44px)}
.sec-tint{background:var(--bg)}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head-row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.sec-title{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.03em;line-height:1.08}
.sec-title.sm{font-size:clamp(24px,2.8vw,30px)}
.sec-lead{color:var(--muted);font-size:18px;margin-top:14px;max-width:62ch}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero{position:relative;overflow:hidden}
.hero-split{padding-block:clamp(48px,7vw,88px) clamp(56px,8vw,100px);background:radial-gradient(70% 90% at 100% 0%,var(--soft-2) 0%,transparent 60%),var(--surface)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(40px,6.2vw,72px);font-weight:800;letter-spacing:-.04em;line-height:1.02;margin-top:18px}
.hero p{font-size:clamp(17px,1.6vw,20px);color:var(--muted);margin-top:20px;max-width:56ch;line-height:1.6}
.hero-art{position:relative}
.hero-art img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:28px;box-shadow:var(--shadow-lg)}
.hero-deco{position:relative;aspect-ratio:5/4;border-radius:28px;overflow:hidden;background:linear-gradient(145deg,var(--brand),color-mix(in srgb,var(--brand) 60%,#000));box-shadow:var(--shadow-lg)}
.hero-deco .d1{position:absolute;width:62%;aspect-ratio:1;border-radius:50%;background:var(--accent);right:-14%;top:-18%}
.hero-deco .d2{position:absolute;width:40%;aspect-ratio:1;border-radius:50%;border:2px solid rgba(255,255,255,.35);left:8%;bottom:-10%}
.hero-deco .d3{position:absolute;width:26%;aspect-ratio:1;border-radius:24px;background:rgba(255,255,255,.12);left:40%;top:26%;transform:rotate(18deg)}
.deco-card{position:absolute;left:8%;top:14%;background:#fff;color:#141C1B;border-radius:16px;padding:14px 18px;box-shadow:0 14px 40px rgba(0,0,0,.25);display:flex;flex-direction:column;min-width:44%}
.deco-card b{font-family:var(--f-display);font-size:18px}
.deco-card small{color:#5D6A68}
.deco-card i{display:block;height:6px;border-radius:9px;margin-top:10px;background:linear-gradient(90deg,var(--brand) 72%,#E6EAE8 72%)}
.deco-2{left:auto;right:8%;top:auto;bottom:12%;min-width:auto;background:var(--accent);color:var(--accent-ink)}
.deco-2 small{color:inherit;opacity:.75}
.hero-simple{padding-block:clamp(56px,8vw,96px) clamp(36px,5vw,56px);background:radial-gradient(60% 120% at 50% 0%,var(--soft-2),transparent 70%),var(--surface);text-align:center}
.hero-simple .hero-in{display:flex;flex-direction:column;align-items:center}
.hero-simple p{margin-inline:auto}
.hero-simple .cta-row{justify-content:center}
.hero-image{min-height:min(76vh,680px);display:flex;align-items:flex-end;background-size:cover;background-position:center;color:#fff}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05) 0%,rgba(0,0,0,.65) 100%)}
.hero-image .hero-in{position:relative;padding-block:64px}
.hero-image p{color:rgba(255,255,255,.88)}
.hero-image .eyebrow-pill{background:rgba(255,255,255,.18);color:#fff}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:20px}
.feat{background:var(--surface);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;border:1px solid var(--line)}
.feat b{font-family:var(--f-display);font-size:19px}
.feat p{color:var(--muted);font-size:15.5px}
.feat-ic{width:48px;height:48px;border-radius:14px;background:var(--soft-2);color:var(--primary);display:grid;place-items:center}
.feat-ic svg{width:24px;height:24px}
.pcard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:22px}
.pcard{display:flex;flex-direction:column;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.pcard-cover{aspect-ratio:16/9;background-size:cover;background-position:center;position:relative;display:block}
.pcard-cover .pill{position:absolute;left:14px;top:14px}
.pcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard-meta{font-size:13px;color:var(--muted);font-weight:700}
.pcard b{font-family:var(--f-display);font-size:20px;line-height:1.25}
.pcard-text{color:var(--muted);font-size:15px}
.pcard-more{margin-top:auto;padding-top:8px;color:var(--primary);font-weight:800;font-size:14.5px}
.it-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.it-left .it-media{order:-1}
@media (max-width:860px){.it-grid{grid-template-columns:1fr;gap:28px}.it-left .it-media{order:0}}
.it-copy .prose{margin-top:18px}
.it-media img{width:100%;border-radius:24px;box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover}
.it-placeholder{aspect-ratio:4/3;border-radius:24px;background:linear-gradient(145deg,var(--soft-2),var(--soft));display:grid;place-items:center;color:var(--primary)}
.it-placeholder svg{width:80px;height:80px;opacity:.6}
.stats-band{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:2px;background:var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.stats-band div{background:var(--surface);padding:24px 26px;display:flex;flex-direction:column;gap:4px}
.stats-band b{font-family:var(--f-display);font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:-.03em;color:var(--primary)}
.stats-band span{color:var(--muted);font-weight:700}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:20px;counter-reset:s}
.steps li{position:relative;padding:26px;border-radius:var(--r-lg);background:var(--bg);display:flex;flex-direction:column;gap:8px}
.steps b{font-family:var(--f-display);font-size:19px}
.steps p{color:var(--muted)}
.step-n{width:42px;height:42px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:18px;margin-bottom:6px}
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px}
.quote{margin:0;background:var(--surface);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:18px}
.quote blockquote{margin:0;font-family:var(--f-display);font-size:19px;line-height:1.45}
.quote figcaption{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote small{display:block;color:var(--muted)}
.faq{display:flex;flex-direction:column;gap:10px;margin-top:28px}
.faq details{background:var(--bg);border-radius:var(--r);padding:4px 20px}
.faq summary{cursor:pointer;padding:16px 0;font-weight:800;font-family:var(--f-display);font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--primary)}
.faq details[open] summary::after{content:"−"}
.faq .prose{padding-bottom:18px;font-size:16px}
.cta-band{border-radius:28px;padding:clamp(32px,5vw,56px);display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;color:#fff;position:relative;overflow:hidden;
  background:radial-gradient(60% 120% at 100% 100%,color-mix(in srgb,var(--accent) 40%,var(--brand)),transparent 60%),linear-gradient(135deg,var(--brand),color-mix(in srgb,var(--brand) 62%,#000));box-shadow:var(--shadow-lg)}
.cta-band h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.03em}
.cta-band p{opacity:.85;margin-top:10px;max-width:52ch;font-size:17px}
.cta-band .cta-row{margin-top:0}
.team{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));gap:20px}
.member{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.member img,.member-ph{width:140px;height:140px;border-radius:50%;object-fit:cover;box-shadow:var(--shadow)}
.member-ph{background:var(--soft-2);color:var(--primary);display:grid;place-items:center;font-family:var(--f-display);font-size:40px;font-weight:800}
.member b{font-family:var(--f-display);font-size:18px;margin-top:8px}
.member small{color:var(--primary);font-weight:700}
.member p{color:var(--muted);font-size:14.5px}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:48px;align-items:start}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-h{font-size:clamp(34px,4.6vw,54px);font-weight:800;letter-spacing:-.035em;margin:16px 0 0}
.contact-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}
.contact-list li{display:flex;flex-direction:column}
.contact-list span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.contact-list a,.contact-list li{font-size:17px;font-weight:700;text-decoration:none;color:var(--ink)}
.card-form{background:var(--surface);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.page-head{background:radial-gradient(60% 120% at 0% 0%,var(--soft-2),transparent 60%),var(--surface)}
.page-head .sec-title{margin-top:14px}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.filters input{flex:1;min-width:220px}
.filters select{width:auto;min-width:200px}
.course-hero{position:relative;background-size:cover;background-position:center;color:#fff}
.course-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.35))}
.course-hero-in{position:relative;padding-block:clamp(48px,7vw,88px);display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.course-hero h1{font-size:clamp(34px,5vw,58px);font-weight:800;letter-spacing:-.035em;max-width:20ch}
.course-hero p{font-size:19px;opacity:.9;max-width:60ch}
.course-hero .crumb{color:rgba(255,255,255,.8)}
.ci-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:start}
@media (max-width:900px){.ci-grid{grid-template-columns:1fr}}
.ci-main .prose{margin-top:14px}
.ci-side{position:sticky;top:96px}
.ci-card{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:24px;display:flex;flex-direction:column;gap:12px;border:1px solid var(--line)}
.ci-facts{margin:0 0 6px;display:grid;gap:0}
.ci-facts div{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.ci-facts dt{color:var(--muted);font-size:14px}
.ci-facts dd{margin:0;font-weight:700;text-align:right;font-size:14.5px}
.syllabus{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.syllabus details{background:var(--bg);border-radius:var(--r);padding:4px 18px}
.syllabus summary{cursor:pointer;display:flex;align-items:center;gap:12px;padding:14px 0;list-style:none}
.syllabus summary::-webkit-details-marker{display:none}
.syllabus summary b{flex:1;font-family:var(--f-display);font-size:17px}
.syllabus summary small{color:var(--muted)}
.syllabus ul{list-style:none;margin:0;padding:0 0 12px 44px;display:grid;gap:2px}
.syllabus li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line);font-size:15px}
.syllabus li small{color:var(--muted)}
.syl-n{width:32px;height:32px;border-radius:10px;background:var(--surface);color:var(--primary);display:grid;place-items:center;font-family:var(--f-mono);font-size:13px;flex:none;box-shadow:var(--shadow-sm)}
.syl-final{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--r);background:color-mix(in srgb,var(--accent) 30%,var(--surface))}
.syl-final .syl-n{background:var(--accent);color:var(--accent-ink)}
.site-foot{background:color-mix(in srgb,var(--brand) 92%,#000);color:rgba(255,255,255,.82);padding-block:56px 28px;margin-top:0}
.site-foot a{color:rgba(255,255,255,.82);text-decoration:none}
.site-foot a:hover{color:#fff}
.site-foot .brand{color:#fff}
.site-foot .brand-ic{background:rgba(255,255,255,.12);color:#fff}
.site-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
@media (max-width:860px){.site-foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.site-foot-grid{grid-template-columns:1fr}}
.site-foot-grid > div{display:flex;flex-direction:column;gap:8px;min-width:0}
.site-foot h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;font-family:var(--f-body);margin-bottom:6px}
.site-foot-brand p{max-width:40ch;font-size:14.5px;margin-top:6px}
.socials{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.site-foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;font-size:13.5px}
body.site .verify .vres{box-shadow:var(--shadow-lg)}

/* toasts */
.toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:80;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;width:max-content;max-width:calc(100% - 32px)}
.toast{background:var(--ink);color:var(--surface);padding:11px 18px;border-radius:14px;font-weight:700;font-size:14.5px;box-shadow:var(--shadow-lg);animation:tin .25s ease-out}
.toast.xp{background:var(--accent);color:var(--accent-ink);font-family:var(--f-display);font-weight:800}
.toast.badge{background:var(--primary);color:var(--primary-ink)}
@keyframes tin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* botón de modo claro / oscuro */
.theme-btn{width:38px;height:38px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);display:inline-grid;place-items:center;padding:0;flex:none;transition:border-color .15s,color .15s}
.theme-btn:hover{border-color:var(--primary);color:var(--primary)}
.theme-btn .ic{width:19px;height:19px}
.theme-btn .i-sun{display:none}
:root[data-theme="dark"] .theme-btn .i-sun{display:block}
:root[data-theme="dark"] .theme-btn .i-moon{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .theme-btn .i-sun{display:block}:root:not([data-theme="light"]) .theme-btn .i-moon{display:none}}
.adm-side-foot .theme-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 12px;font-weight:600;font-size:14.5px;color:var(--ink-2)}
.adm-side-foot .theme-btn{width:34px;height:34px}
.site-nav .theme-btn{margin-left:6px}
@media (max-width:900px){.site-nav .theme-btn{margin:8px 0 0}}
.mode-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:640px){.mode-options{grid-template-columns:1fr}}
.mode-card{display:flex;flex-direction:column;gap:10px;border:1.5px solid var(--line);border-radius:var(--r);padding:12px;cursor:pointer}
.mode-card:has(input:checked){border-color:var(--primary);background:var(--soft)}
.mode-card input{accent-color:var(--primary)}
.mode-card small{display:block;color:var(--muted);font-size:12.5px}
.mode-prev{height:70px;border-radius:10px;display:flex;gap:6px;padding:10px;border:1px solid var(--line)}
.mode-prev i{display:block;border-radius:6px}
.mode-prev.light{background:#F6F7F4}.mode-prev.light i{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.mode-prev.dark{background:#0D1312}.mode-prev.dark i{background:#1B2524}
.mode-prev.auto{background:linear-gradient(90deg,#F6F7F4 50%,#0D1312 50%)}.mode-prev.auto i{flex:1!important;width:auto!important}.mode-prev.auto i:first-child{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08)}.mode-prev.auto i:last-child{background:#1B2524}
.mode-prev i:first-child{width:28%}.mode-prev i:last-child{flex:1}