/* ===== Politécnica — Campus Digital · estilos ===== */
:root{
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --display:'Space Grotesk','Inter',system-ui,sans-serif;
  --bg:#eaeff6;--bg2:#e2e8f2;--surface:#fff;--surface2:#f5f8fc;
  --border:#dae1ec;--border2:#e8edf5;--ink:#0f1b2d;--ink2:#2a3a4f;--muted:#61738c;
  --primary:#023a86;--primary2:#0a4aa0;--primarySoft:#e4ebf8;
  --accent:#1961c4;--accentSoft:#e0e9fa;--gold:#b8860b;--goldSoft:#faedcb;
  --brand-gold:#f9de5e;
  --success:#0a8f5b;--successSoft:#d6f2e6;--danger:#d63b3b;--dangerSoft:#fbe4e4;
  --violet:#7c3aed;--rose:#db2777;--grid:rgba(2,58,134,.06);
  --shadow:0 1px 2px rgba(15,27,45,.05),0 10px 30px -14px rgba(15,27,45,.22);
  --shadow2:0 2px 6px rgba(15,27,45,.06),0 24px 48px -20px rgba(15,27,45,.30);
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#080d18;--bg2:#0b1120;--surface:#101a2e;--surface2:#0c1526;
  --border:#1d2942;--border2:#182338;--ink:#e8eff9;--ink2:#c2d0e2;--muted:#8598b4;
  --primary:#5b8def;--primary2:#7aa4f5;--primarySoft:#14213f;
  --accent:#6ea8ff;--accentSoft:#0f2038;--gold:#f0c94b;--goldSoft:#2c2208;
  --brand-gold:#f9de5e;
  --success:#2fce93;--successSoft:#0c2a20;--danger:#f97066;--dangerSoft:#2b1414;
  --violet:#a78bfa;--rose:#f472b6;--grid:rgba(120,160,255,.05);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 14px 34px -16px rgba(0,0,0,.65);
  --shadow2:0 2px 8px rgba(0,0,0,.5),0 30px 60px -24px rgba(0,0,0,.75);
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);
  transition:background .35s,color .35s;-webkit-font-smoothing:antialiased;letter-spacing:-.01em;min-height:100vh}
h1,h2,h3,h4,.disp{font-family:var(--display);letter-spacing:-.02em;margin:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit}
svg{width:1em;height:1em}
[data-lucide]{display:inline-flex;width:18px;height:18px;stroke-width:2}
::selection{background:var(--primary);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:20px;border:3px solid var(--bg)}

.blueprint{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:26px 26px}
.logochip{background:#fff;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 14px -6px rgba(2,58,134,.35);border:1px solid rgba(2,58,134,.08)}
.logochip img{display:block;object-fit:contain}
.brand .logochip{padding:7px}
.brand .logochip img{height:28px;width:auto}
.lb-top{display:flex;align-items:center;gap:14px;position:relative}
.lb-logo.logochip{padding:12px}
.lb-logo.logochip img{height:44px;width:auto;max-width:160px}
.lb-name{font-size:22px;font-weight:700;color:#fff;letter-spacing:-.01em;line-height:1.05}
.lb-brandsub{font-size:12.5px;color:rgba(255,255,255,.82);margin-top:3px;letter-spacing:.02em}
.lf-logo.logochip{padding:10px;margin-bottom:22px}
.lf-logo.logochip img{height:40px;width:auto}
.flex{display:flex;align-items:center}.flexcol{display:flex;flex-direction:column}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.gap8{gap:8px}.gap12{gap:12px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.cards{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.rolegrid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.course-grid{grid-template-columns:1fr 300px;align-items:start}
@media(max-width:820px){.g2,.g3,.g4,.course-grid{grid-template-columns:1fr}}

.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);
  transition:transform .18s,box-shadow .25s,background .35s,border-color .35s}
.card.hover:hover{transform:translateY(-3px);box-shadow:var(--shadow2)}
.soft{background:var(--surface2);border:1px solid var(--border2);border-radius:14px}
.tablecard{overflow:hidden}

.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:11px;font-weight:600;font-size:14px;
  border:1px solid var(--border);background:var(--surface);color:var(--ink);transition:all .18s;white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn.pri{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px -6px var(--primary)}
.btn.pri:hover{background:var(--primary2);border-color:var(--primary2)}
.btn.ghost{background:transparent;border-color:transparent}.btn.ghost:hover{background:var(--surface2)}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:9px}
.btn.icon{padding:9px;border-radius:11px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:100px;font-size:12px;font-weight:600}
.badge-success{background:var(--successSoft);color:var(--success)}
.badge-gold{background:var(--goldSoft);color:var(--gold)}
.badge-danger{background:var(--dangerSoft);color:var(--danger)}
.badge-muted{background:var(--surface2);color:var(--muted)}
.badge-light{background:rgba(255,255,255,.9);color:#111}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:100px;font-size:13px;font-weight:500;background:var(--surface2);border:1px solid var(--border2);color:var(--ink2)}

.input{width:100%;padding:11px 13px;border-radius:11px;border:1px solid var(--border);background:var(--surface2);color:var(--ink);font-size:14px;outline:none;transition:border-color .18s,box-shadow .18s}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primarySoft)}
.input::placeholder{color:var(--muted)}
textarea.input{resize:vertical}
.label{font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:6px;display:block}

.progress{height:8px;border-radius:100px;background:var(--border);overflow:hidden;flex:1}
.progress>i{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width 1s cubic-bezier(.4,0,.2,1)}

.avatar{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:700;font-size:14px;color:#fff;font-family:var(--display);flex-shrink:0}
.avatar.sm{width:34px;height:34px}
.ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;flex-shrink:0}
.ico.sm{width:34px;height:34px;font-size:15px}
.ico [data-lucide]{width:21px;height:21px}
.modnum{background:var(--primarySoft);color:var(--primary);font-family:var(--display);font-weight:700;font-size:14px}

.stat{padding:20px}
.statlabel{font-size:13px;color:var(--muted);font-weight:500;margin-top:16px}
.statnum{font-family:var(--display);font-size:30px;font-weight:700;margin-top:6px;letter-spacing:-.03em}
.stat .ico{margin-bottom:0}
.ring-wrap{position:relative;display:grid;place-items:center}
.ring-center{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.tag{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:8px}

.pagehead{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.pagehead h1{font-size:27px}
.pdesc{color:var(--muted);margin-top:6px;font-size:14.5px;max-width:600px}

.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:12px 16px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border)}
.tbl td{padding:14px 16px;font-size:14px;border-bottom:1px solid var(--border2);color:var(--ink2)}
.tbl tr:last-child td{border-bottom:none}
.tbl tr.row:hover td{background:var(--surface2)}

.lesson{display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:13px;border:1px solid var(--border2);background:var(--surface);transition:all .16s}
.lesson:hover{border-color:var(--border);background:var(--surface2)}
.lk{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;border:1px solid var(--border2);background:var(--surface2);color:var(--muted)}
.lk.toggle{cursor:pointer}
.lk.toggle.done{background:var(--successSoft);color:var(--success)}
.lmeta{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);margin-top:2px}
.lmeta [data-lucide]{width:13px;height:13px}

.empty{border:1px dashed var(--border);border-radius:18px;padding:48px 20px;text-align:center;color:var(--muted)}
.empty [data-lucide]{width:34px;height:34px;opacity:.5;margin-bottom:10px}
.es-title{font-weight:600;color:var(--ink2);font-size:15px}.es-desc{font-size:13.5px;margin-top:4px}
.hint-inline{font-size:12.5px;color:var(--gold);margin-top:6px}

.flashmsg{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:13px;background:var(--surface);border:1px solid var(--border);border-left-width:4px;box-shadow:var(--shadow);font-size:14px;font-weight:500;margin-bottom:20px}

.creator{margin:0}
.creator summary{list-style:none;display:inline-flex}
.creator summary::-webkit-details-marker{display:none}
.lesson-add{margin-top:6px}

/* Shell */
.shell{display:grid;grid-template-columns:262px 1fr;min-height:100vh}
.side{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh;transition:background .35s,border-color .35s,transform .28s}
.brand{display:flex;align-items:center;gap:11px;padding:6px 8px 18px}
.brand .mk{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px -8px var(--primary)}
.brand .mk [data-lucide]{width:22px;height:22px}
.brandname{font-size:17px;font-weight:700}.brandsub{font-size:11.5px;color:var(--muted)}
.navwrap{flex:1;overflow-y:auto}
.navsec{font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding:16px 12px 8px}
.nav{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:12px;font-size:14.5px;font-weight:500;color:var(--ink2);transition:all .16s;margin-bottom:2px}
.nav:hover{background:var(--surface2);color:var(--ink)}
.nav.on{background:var(--primarySoft);color:var(--primary);font-weight:600}
.usercard{display:flex;align-items:center;gap:10px;padding:12px;background:var(--surface2);border:1px solid var(--border2);border-radius:14px}
.uinfo{flex:1;min-width:0}
.uname{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.urole{font-size:11.5px;font-weight:600}

.main{min-width:0}
.top{display:flex;align-items:center;gap:14px;padding:14px 26px;position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 1px 0 var(--border)}
.searchbar{display:flex;align-items:center;gap:9px;padding:9px 13px;border-radius:12px;background:var(--surface);border:1px solid var(--border);flex:1;max-width:420px;color:var(--muted)}
.searchbar input{border:none;background:none;outline:none;color:var(--ink);width:100%;font-size:14px}
.content{padding:26px 30px 60px;max-width:1240px;margin:0 auto}

.th-sun{display:none}[data-theme="dark"] .th-sun{display:inline-flex}[data-theme="dark"] .th-moon{display:none}
.only-mobile{display:none}

/* Program cards */
.pcard{padding:0;overflow:hidden;display:block}
.pcard-top{height:92px;position:relative;padding:16px}
.pcard-top .badge{position:relative}
.pcard-body{padding:17px}
.pcard-cat{font-size:12px;color:var(--muted);font-weight:600}
.pcard-body h3{font-size:16.5px;margin:6px 0 0;line-height:1.25}
.pcard-hero{padding:28px;position:relative;overflow:hidden;color:#fff;margin-bottom:0}
.pcard-hero .badge{margin-bottom:12px}
.pcard-hero h1{color:#fff;font-size:28px;margin-bottom:8px}
.hero-meta{display:flex;align-items:center;gap:8px;font-size:14px;opacity:.95;flex-wrap:wrap}
.hero-meta [data-lucide]{width:15px;height:15px}.hero-meta span{opacity:.6}
.course-side{padding:20px;position:sticky;top:90px}

/* Login */
.login{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}
.login-brand{background:linear-gradient(150deg,var(--primary),color-mix(in srgb,var(--accent) 70%,#000));padding:48px;display:flex;flex-direction:column;justify-content:space-between;color:#fff}
.lb-top{display:flex;align-items:center;gap:14px;position:relative}
.lb-mid{position:relative;max-width:420px}
.lb-mid h1{font-size:40px;color:#fff;line-height:1.1;margin-bottom:18px}
.lb-mid p{font-size:16px;opacity:.92;line-height:1.5}
.lb-foot{position:relative;font-size:12.5px;opacity:.7}
.login-form{padding:48px;display:flex;align-items:center;justify-content:center;position:relative}
.theme-corner{position:absolute;top:24px;right:24px}
.lf-inner{max-width:400px;width:100%}
.lf-inner h1{font-size:28px;margin-bottom:6px}
.login-hint{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-top:22px;padding:12px;background:var(--surface2);border-radius:12px}
.login-hint [data-lucide]{width:16px;height:16px;flex-shrink:0}
@media(max-width:820px){.login{grid-template-columns:1fr}.login-brand{display:none}}

/* Video modal */
.vmodal{display:none;position:fixed;inset:0;z-index:100;background:rgba(8,12,22,.6);backdrop-filter:blur(4px);place-items:center;padding:20px}
.vmodal.open{display:grid}
.vmodal-in{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:18px;width:100%;max-width:840px;box-shadow:var(--shadow2)}

.aca-page{min-height:100vh}

@media(max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;z-index:60;left:0;top:0;width:262px;transform:translateX(-105%)}
  .side.open{transform:none;box-shadow:var(--shadow2)}
  .only-mobile{display:inline-flex}
  .content{padding:20px 16px 50px}
  .lb-mid h1{font-size:30px}
}

/* ================= PÁGINA WEB PÚBLICA (landing) ================= */
.lp{max-width:1180px;margin:0 auto;padding:0 24px}
.lpnav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.lpnav-in{display:flex;align-items:center;gap:22px;height:72px}
.lpnav .logochip{padding:6px 10px}
.lpnav .logochip img{height:34px;width:auto}
.lpnav .links{display:flex;gap:26px;margin-left:auto;align-items:center}
.lpnav .links a{font-size:14.5px;font-weight:500;color:var(--ink2)}
.lpnav .links a:hover{color:var(--primary)}
.lpnav .links .btn{color:#fff}
@media(max-width:760px){.lpnav .links a:not(.btn){display:none}}

.lp-hero{position:relative;overflow:hidden;color:#fff;border-radius:0}
.lp-hero .bgwrap{position:absolute;inset:0;background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--accent) 62%,#000))}
.lp-hero .mark{position:absolute;right:-60px;top:50%;transform:translateY(-50%);height:420px;opacity:.10;filter:brightness(0) invert(1)}
.lp-hero-in{position:relative;padding:96px 24px 104px;max-width:1180px;margin:0 auto}
.lp-hero h1{font-size:52px;line-height:1.05;color:#fff;max-width:720px;letter-spacing:-.02em}
.lp-hero p{font-size:19px;line-height:1.5;opacity:.94;max-width:600px;margin-top:20px}
.lp-hero .cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.lp-hero .btn.pri{background:#fff;color:var(--primary);border-color:#fff}
.lp-hero .btn.ghostw{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}
.lp-hero .pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:100px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);font-size:13px;font-weight:600;margin-bottom:22px}
@media(max-width:760px){.lp-hero h1{font-size:34px}.lp-hero p{font-size:16px}.lp-hero-in{padding:64px 24px}}

.lp-sec{padding:76px 0}
.lp-sec .head{text-align:center;max-width:640px;margin:0 auto 46px}
.lp-sec .head .tag{justify-content:center}
.lp-sec .head h2{font-size:34px;letter-spacing:-.02em}
.lp-sec .head p{color:var(--muted);margin-top:12px;font-size:16px;line-height:1.5}
.lp-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.lp-feats{grid-template-columns:1fr}}
.lp-feat{padding:26px;border-radius:18px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .18s,box-shadow .25s}
.lp-feat:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.lp-feat .ico{margin-bottom:16px}
.lp-feat h3{font-size:18px;margin-bottom:8px}
.lp-feat p{font-size:14.5px;color:var(--muted);line-height:1.55}

.lp-alt{background:var(--surface2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.lp-progs{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}

.lp-about{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:900px){.lp-about{grid-template-columns:1fr;gap:28px}}
.lp-about h2{font-size:34px;letter-spacing:-.02em;margin-bottom:16px}
.lp-about p{color:var(--muted);font-size:16px;line-height:1.6}
.lp-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lp-stat{padding:24px;border-radius:18px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);text-align:center}
.lp-stat .n{font-family:var(--display);font-size:40px;font-weight:700;color:var(--primary);letter-spacing:-.03em}
.lp-stat .l{font-size:13.5px;color:var(--muted);margin-top:4px}

.lp-contact{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:760px){.lp-contact{grid-template-columns:1fr}}
.lp-cta-band{background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--accent) 62%,#000));border-radius:24px;padding:52px;text-align:center;color:#fff;margin-top:8px}
.lp-cta-band h2{color:#fff;font-size:32px;margin-bottom:10px}
.lp-cta-band p{opacity:.92;margin-bottom:24px}
.lp-cta-band .btn{background:#fff;color:var(--primary);border-color:#fff}

.lp-foot{border-top:1px solid var(--border);padding:34px 0;margin-top:0;background:var(--surface)}
.lp-foot-in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13.5px}

/* ===== Editor de sitio / toggles ===== */
.sect{padding:22px;margin-bottom:16px}
.secth{font-size:15.5px;display:flex;align-items:center;gap:9px;margin-bottom:6px;padding-bottom:12px;border-bottom:1px solid var(--border2)}
.secth [data-lucide]{width:18px;height:18px;color:var(--primary)}
.switch{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;cursor:pointer;color:var(--ink2)}
.switch input{appearance:none;width:42px;height:24px;border-radius:100px;background:var(--border);position:relative;cursor:pointer;transition:background .2s;flex-shrink:0}
.switch input:checked{background:var(--primary)}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.switch input:checked::after{transform:translateX(18px)}

/* ===== Testimonios ===== */
.lp-feat.testi{display:flex;flex-direction:column}
.lp-feat .quotemark{color:var(--primary);opacity:.4;margin-bottom:6px}
.lp-feat .quotemark [data-lucide]{width:28px;height:28px}
.lp-feat .tq{font-size:15px;line-height:1.6;color:var(--ink2);font-style:italic}

/* ===== Registro público ===== */
.reg-wrap{min-height:100vh;display:grid;place-items:center;padding:32px 18px;background:var(--bg)}
.reg-card{padding:34px;max-width:560px;width:100%}

/* ===== Diploma digital ===== */
.dip-body{background:#0b1220;min-height:100vh;padding:24px;display:flex;flex-direction:column;align-items:center;gap:20px}
.dip-actions{display:flex;gap:12px;width:100%;max-width:960px;justify-content:flex-end}
.diploma{width:100%;max-width:960px;aspect-ratio:1.414/1;background:#fff;border-radius:6px;box-shadow:0 30px 80px -30px rgba(0,0,0,.7);padding:20px}
.dip-inner{position:relative;width:100%;height:100%;border:2px solid var(--primary);border-radius:3px;padding:44px 56px;display:flex;flex-direction:column;align-items:center;text-align:center;color:#0f1b2d;background-image:linear-gradient(rgba(2,58,134,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(2,58,134,.025) 1px,transparent 1px);background-size:22px 22px}
.dip-inner::before{content:"";position:absolute;inset:8px;border:1px solid var(--brand-gold);border-radius:2px;pointer-events:none}
.dip-corner{position:absolute;width:34px;height:34px;border:0 solid var(--brand-gold)}
.dip-corner.tl{top:16px;left:16px;border-top-width:3px;border-left-width:3px}
.dip-corner.tr{top:16px;right:16px;border-top-width:3px;border-right-width:3px}
.dip-corner.bl{bottom:16px;left:16px;border-bottom-width:3px;border-left-width:3px}
.dip-corner.br{bottom:16px;right:16px;border-bottom-width:3px;border-right-width:3px}
.dip-logo{height:64px;width:auto;margin-bottom:6px}
.dip-kicker{font-family:'Space Grotesk',sans-serif;text-transform:uppercase;letter-spacing:.32em;font-size:13px;font-weight:600;color:var(--primary);margin-top:8px}
.dip-oto{margin-top:20px;font-size:14px;color:#61738c}
.dip-name{font-family:'Playfair Display',serif;font-size:44px;font-weight:700;color:var(--primary);margin-top:6px;line-height:1.1}
.dip-rule{width:180px;height:3px;background:var(--brand-gold);border-radius:2px;margin:14px 0}
.dip-text{font-size:14.5px;color:#41506a;max-width:560px}
.dip-prog{font-family:'Space Grotesk',sans-serif;font-size:24px;font-weight:700;color:#0f1b2d;margin-top:10px}
.dip-meta{font-size:13px;color:#61738c;margin-top:6px}
.dip-foot{display:flex;align-items:flex-end;justify-content:space-between;width:100%;max-width:640px;margin-top:auto;padding-top:20px}
.dip-sign{flex:1;max-width:200px}
.dip-sign-line{border-top:1.5px solid #0f1b2d;margin-bottom:6px}
.dip-sign-role{font-size:12px;color:#61738c}
.dip-seal{width:64px;height:64px;border-radius:50%;background:radial-gradient(circle at 30% 30%,var(--brand-gold),#c79a12);display:grid;place-items:center;color:#fff;box-shadow:0 6px 16px -6px rgba(199,154,18,.6);margin:0 18px}
.dip-seal [data-lucide]{width:30px;height:30px}
.dip-verify{position:absolute;bottom:20px;left:0;right:0;text-align:center;font-size:10.5px;color:#8a99b0;letter-spacing:.04em}
@media(max-width:760px){.dip-inner{padding:26px 22px}.dip-name{font-size:30px}.dip-prog{font-size:18px}}
@media print{
  .dip-body{background:#fff;padding:0}.dip-actions{display:none}
  .diploma{box-shadow:none;max-width:100%;border-radius:0}
  @page{size:landscape;margin:0}
}

/* Popover de edición de lecciones */
.editpop{position:absolute;right:0;top:calc(100% + 6px);z-index:30;width:min(380px,86vw);padding:16px;box-shadow:var(--shadow2);text-align:left}
.editpop .flex.gap8{align-items:center}

/* ===== Polish paneles de configuración ===== */
.sect{padding:24px;margin-bottom:18px;max-width:720px}
.savebar{position:sticky;bottom:0;padding:14px 0 6px;background:linear-gradient(to top,var(--bg) 72%,transparent);max-width:720px;z-index:5}
.sect .grid{margin-top:2px}

/* ===== Recibo imprimible ===== */
.rc-body{background:#eef1f7;min-height:100vh;padding:24px;display:flex;flex-direction:column;align-items:center;gap:18px}
.rc-actions{display:flex;gap:12px;width:100%;max-width:720px;justify-content:flex-end}
.receipt{width:100%;max-width:720px;background:#fff;border-radius:14px;box-shadow:0 20px 60px -30px rgba(0,0,0,.4);overflow:hidden;color:#0f1b2d}
.rc-head{background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--accent) 60%,#000));color:#fff;padding:26px 30px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.rc-head img{height:44px;background:#fff;border-radius:10px;padding:6px}
.rc-head .rc-t{font-family:'Space Grotesk',sans-serif;font-size:22px;font-weight:700}
.rc-head .rc-code{font-size:13px;opacity:.9;margin-top:2px}
.rc-body-in{padding:28px 30px}
.rc-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid #eef1f6;font-size:14.5px}
.rc-row .k{color:#61738c}.rc-row .v{font-weight:600}
.rc-total{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding:18px 20px;background:#f5f8fc;border-radius:12px}
.rc-total .l{font-size:14px;color:#41506a}.rc-total .n{font-family:'Space Grotesk',sans-serif;font-size:30px;font-weight:700;color:var(--primary)}
.rc-foot{padding:18px 30px;border-top:1px solid #eef1f6;font-size:12px;color:#8a99b0;display:flex;justify-content:space-between}
.rc-badge{display:inline-block;padding:4px 12px;border-radius:100px;font-size:12px;font-weight:600;background:#e4ebf8;color:var(--primary)}
@media print{.rc-body{background:#fff;padding:0}.rc-actions{display:none}.receipt{box-shadow:none;max-width:100%}@page{margin:12mm}}

/* balance chips */
.bal-ok{color:var(--success);font-weight:600}
.bal-due{color:var(--gold);font-weight:600}

/* Opciones de examen */
.qopt{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;cursor:pointer;transition:all .15s;font-size:14.5px}
.qopt:hover{border-color:var(--primary);background:var(--surface2)}
.qopt input{width:18px;height:18px;accent-color:var(--primary);cursor:pointer}
.qopt:has(input:checked){border-color:var(--primary);background:var(--primarySoft)}

/* ===== Mensajería ===== */
.msg-grid{display:grid;grid-template-columns:300px 1fr;gap:16px;align-items:start}
@media(max-width:820px){.msg-grid{grid-template-columns:1fr}}
.msg-convo{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;text-decoration:none;color:var(--ink);transition:background .15s}
.msg-convo:hover{background:var(--surface2)}
.msg-convo.active{background:var(--primarySoft)}
.msg-badge{background:var(--primary);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:100px;display:flex;align-items:center;justify-content:center;padding:0 6px}
.msg-thread{flex:1;overflow-y:auto;max-height:52vh;padding:18px;display:flex;flex-direction:column;gap:10px;background:var(--surface2)}
.msg-bubble{max-width:76%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5}
.msg-bubble.me{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:5px}
.msg-bubble.them{align-self:flex-start;background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:5px}
.msg-bubble .msg-time{font-size:10.5px;opacity:.7;margin-top:4px;text-align:right}
.msg-compose{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--border)}
.msg-compose .input{flex:1}
/* badge en el menú */
.navlink .navbadge{margin-left:auto;background:var(--primary);color:#fff;font-size:11px;font-weight:700;min-width:19px;height:19px;border-radius:100px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px}

/* Seguridad de exámenes: bloquear selección durante el examen */
.noselect, .noselect * { -webkit-user-select:none; -moz-user-select:none; -ms-user-select:none; user-select:none; }
.noselect input[type=radio]{ pointer-events:auto; }
@media print { .noselect { display:none !important; } }

/* ===== Módulos estilo Class (tarjetas) ===== */
.modcard{background:var(--surface);border:1px solid var(--border);border-radius:16px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm,0 1px 2px rgba(0,0,0,.04))}
.modcard.locked{opacity:.9;background:var(--surface2)}
.modcard details>summary{list-style:none;cursor:pointer}
.modcard details>summary::-webkit-details-marker{display:none}
.modcard-head{display:flex;gap:16px;align-items:center;padding:16px}
.modthumb{width:104px;height:74px;border-radius:12px;flex-shrink:0;position:relative;display:grid;place-items:center;color:#fff}
.modnum2{position:absolute;left:8px;top:6px;font-size:12px;font-weight:700;opacity:.9;background:rgba(0,0,0,.25);padding:1px 7px;border-radius:20px}
.modlock{font-size:24px;opacity:.95}
.modtitle{font-weight:700;font-size:16px;line-height:1.3}
.moddesc{font-size:13px;color:var(--muted);margin-top:3px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.modbar-row{display:flex;align-items:center;gap:10px;margin-top:8px}
.modbar{flex:1;height:8px;background:var(--surface2);border-radius:5px;overflow:hidden;max-width:300px}
.modbar>div{height:100%;background:var(--success);border-radius:5px;transition:width .3s}
.modbar-txt{font-size:12.5px;color:var(--muted);white-space:nowrap}
.modchev{color:var(--muted);transition:transform .25s;flex-shrink:0}
.modcard details[open] .modchev{transform:rotate(180deg)}
.modbody{padding:2px 16px 16px}
@media(max-width:640px){.modthumb{width:64px;height:56px}.modtitle{font-size:14.5px}}