:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --panel-2:#f9fbf4;
  --line:#e7ecda;
  --soft:#f5f9ed;
  --green:#95b446;
  --green-dark:#4b681b;
  --green-ink:#24340e;
  --coral:#ff7e59;
  --ink:#1f1832;
  --muted:#6d687a;
  --shadow:0 16px 40px rgba(26,19,48,.08);
  --shadow-sm:0 8px 22px rgba(26,19,48,.06);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at top left, rgba(149,180,70,.12), transparent 28%), var(--bg)}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font:inherit}

.app-shell{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:100vh}
.sidebar{background:linear-gradient(180deg,#151125 0,#21183a 100%);color:#fff;padding:24px 20px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--green),#c7dc86);display:grid;place-items:center;color:#1f2812;font-weight:900;box-shadow:0 10px 28px rgba(149,180,70,.32)}
.brand-text{display:grid;gap:2px}
.brand-text strong{font-size:28px;letter-spacing:-.04em;line-height:1}.brand-text span{font-size:14px;color:rgba(255,255,255,.72)}
.brand-text b{color:#c7dc86}
.user-card{padding:16px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.06);border-radius:20px;display:flex;align-items:center;gap:12px}
.avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--green),#c7dc86);color:#17210b;font-weight:900;flex:0 0 auto}
.user-card small{display:block;color:rgba(255,255,255,.65);text-transform:uppercase;letter-spacing:.08em;font-size:10px}.user-card strong{font-size:15px}
.side-group{display:grid;gap:8px}.side-label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.5);padding:0 12px}.side-link{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:16px;color:rgba(255,255,255,.86);transition:.2s}.side-link:hover{background:rgba(255,255,255,.08)}.side-link.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}.side-icon{width:10px;height:10px;border-radius:999px;background:currentColor;opacity:.8}
.side-footer{margin-top:auto;display:grid;gap:8px}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{padding:18px 28px;border-bottom:1px solid #eaefdf;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}
.topbar-row{display:flex;align-items:center;justify-content:space-between;gap:18px;max-width:1380px;margin:0 auto}
.top-title{display:grid;gap:4px}.top-title small{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--coral);font-weight:800}.top-title h1{margin:0;font-size:28px;letter-spacing:-.04em}
.top-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.action-link{padding:10px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);font-weight:700;box-shadow:var(--shadow-sm)}.action-link:hover{border-color:#cddca8}.ghost-link{padding:10px 4px;color:var(--muted);font-weight:700}.ghost-link:hover{color:var(--ink)}

.content{max-width:1380px;width:100%;margin:0 auto;padding:28px}
.hero{padding:28px;border-radius:28px;background:linear-gradient(135deg,#f7faef 0,#ffffff 100%);border:1px solid var(--line);box-shadow:var(--shadow)}
.hero h2{font-size:52px;line-height:1.02;margin:10px 0 12px;letter-spacing:-.05em}.hero p{margin:0;color:var(--muted);font-size:18px;max-width:920px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--coral);text-transform:uppercase;letter-spacing:.14em;font-size:12px}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:22px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px 18px;box-shadow:var(--shadow-sm)}.metric-card strong{display:block;font-size:34px;line-height:1;letter-spacing:-.04em}.metric-card span{display:block;color:var(--muted);margin-top:8px;font-size:14px}

.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:28px 0 16px}.section-head h2{margin:0;font-size:34px;letter-spacing:-.04em}.section-head p{margin:0;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden}
.course-card{display:block;padding:22px;transition:transform .2s, box-shadow .2s, border-color .2s}.course-card:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(26,19,48,.12);border-color:#d3e0af}
.badge-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800}.badge.soft{background:#eef4df;color:var(--green-ink)}.badge.warm{background:#fff1ec;color:#ad5d3a}
.course-card h3{margin:16px 0 10px;font-size:36px;letter-spacing:-.04em}.course-card p{margin:0;color:var(--muted);font-size:16px;line-height:1.6}.meta-line{display:flex;gap:14px;flex-wrap:wrap;margin-top:16px;color:var(--muted);font-size:14px}.progress{height:10px;background:#edf1e6;border-radius:999px;overflow:hidden;margin:18px 0 10px}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--green),#bfd67f);border-radius:999px}.course-action{display:flex;align-items:center;justify-content:space-between;margin-top:12px;font-weight:800;color:var(--green-dark)}

.layout-2{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px;align-items:start}
.stack{display:grid;gap:18px}
.panel{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.panel-head{padding:20px 22px;border-bottom:1px solid #eff3e8}.panel-head h3,.panel-head h2{margin:0;font-size:24px;letter-spacing:-.03em}.panel-body{padding:20px 22px}
.summary-list{display:grid;gap:12px}.summary-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--panel-2);border-radius:16px;border:1px solid #eff3e7}.summary-item span{color:var(--muted)}.summary-item strong{font-size:24px;letter-spacing:-.03em}

.module{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden}.module-head{padding:22px;background:linear-gradient(180deg,#f7faef 0,#fff 100%);border-bottom:1px solid #eef3e7}.module-head small{display:inline-flex;padding:6px 10px;border-radius:999px;background:#eef4df;color:var(--green-ink);font-weight:800}.module-head h3{margin:12px 0 6px;font-size:32px;letter-spacing:-.04em}.module-head p{margin:0;color:var(--muted)}
.row-link{display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;padding:18px 22px;border-top:1px solid #eff3e8}.row-link:hover{background:#fcfdf9}.row-num{width:42px;height:42px;border-radius:14px;background:#eef4df;color:var(--green-ink);display:grid;place-items:center;font-weight:900}.row-text{display:grid;gap:4px}.row-text b{font-size:20px;letter-spacing:-.02em}.row-text span{color:var(--muted);font-size:14px}.state{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800}.state.done{background:#eef8ea;color:#2d6725}.state.pending{background:#fff4ec;color:#b5643d}
.quiz-box{margin-top:14px;border-top:1px dashed #e5ead8}

.lesson-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}
.lesson-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:30px}.lesson-card h2{font-size:48px;letter-spacing:-.05em;line-height:1.02;margin:10px 0 18px}.lesson-card .kicker{font-weight:800;color:var(--green-dark)}.wp-content{font-size:17px;line-height:1.8;color:#332d43}.wp-content p{margin:0 0 18px}.wp-content h2,.wp-content h3,.wp-content h4{line-height:1.1}.wp-content img{border-radius:18px;box-shadow:var(--shadow-sm);margin:18px 0}.wp-content a{color:var(--green-dark);font-weight:800}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn,.btn-secondary,.btn-ghost,.btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 18px;border-radius:16px;border:1px solid transparent;font-weight:800;cursor:pointer}.btn{background:linear-gradient(135deg,var(--green),#c7dc86);color:#1e2a10;box-shadow:0 10px 24px rgba(149,180,70,.28)}.btn-secondary{background:#1f1832;color:#fff}.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}.btn-danger{background:#fff1ef;border-color:#ffd8d0;color:#ae4138}.btn:hover,.btn-secondary:hover,.btn-ghost:hover,.btn-danger:hover{transform:translateY(-1px)}
.material-list{display:grid;gap:10px}.material-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;background:var(--panel-2);border:1px solid #eef3e7}.material-link strong{display:block}.material-link small{display:block;color:var(--muted);margin-top:4px}
.empty{padding:20px;border:1px dashed #dfe7cd;background:#fbfcf8;color:var(--muted);border-radius:18px}
.back-link{display:inline-flex;align-items:center;gap:10px;color:var(--muted);font-weight:700;margin-bottom:14px}.back-link:hover{color:var(--ink)}

.form-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:24px;max-width:760px}.field{display:grid;gap:8px;margin-bottom:16px}.field label{font-weight:800}.field input{padding:14px 15px;border:1px solid #dfe6cf;border-radius:14px;background:#fff}.help{color:var(--muted);font-size:14px}.alert{padding:14px 16px;border-radius:16px;margin-bottom:16px}.alert.error{background:#fff2ef;color:#9a3e28;border:1px solid #ffd7cd}.alert.success{background:#eef8ea;color:#2d6725;border:1px solid #cfe6c6}

.cert-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.cert-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:22px}.cert-card h3{margin:14px 0 10px;font-size:32px;letter-spacing:-.04em}.cert-card p{margin:0;color:var(--muted)}.tag{display:inline-flex;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800}.tag.success{background:#eef8ea;color:#2d6725}.tag.locked{background:#fff4ec;color:#b5643d}.cert-sheet{background:#fff;border:12px solid #edf4de;border-radius:30px;box-shadow:var(--shadow);padding:56px;text-align:center}.cert-sheet h2{font-size:52px;letter-spacing:-.05em;margin:14px 0}.cert-sheet .course-name{font-size:38px;color:var(--green-dark);font-weight:800;margin:18px 0}.cert-sheet p{font-size:18px;color:var(--muted)}.signatures{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:42px}.signatures div{padding-top:16px;border-top:1px solid var(--line)}

.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left, rgba(149,180,70,.18), transparent 32%), linear-gradient(180deg,#f8faf3 0,#fff 100%)}
.login-shell{width:min(1180px,100%);display:grid;grid-template-columns:1.08fr .92fr;gap:20px}.login-side{background:linear-gradient(180deg,#171227 0,#261c40 100%);border-radius:30px;color:#fff;padding:34px;box-shadow:var(--shadow);display:grid;align-content:space-between;min-height:640px}.login-side h1{margin:18px 0 12px;font-size:58px;line-height:1.02;letter-spacing:-.05em}.login-side p{margin:0;color:rgba(255,255,255,.8);font-size:18px;max-width:520px}.login-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}.login-stats div{padding:16px;border-radius:18px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.06)}.login-stats b{display:block;font-size:28px}.login-stats span{display:block;color:rgba(255,255,255,.76);font-size:13px;margin-top:6px}.login-card{background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);padding:34px;display:grid;align-content:center}.login-card h2{margin:10px 0 8px;font-size:40px;letter-spacing:-.04em}.login-card p{margin:0 0 20px;color:var(--muted)}.login-card label{display:grid;gap:8px;margin:14px 0;font-weight:800}.login-card input{padding:14px 15px;border:1px solid #dfe6cf;border-radius:14px}.login-card button{margin-top:10px;width:100%;padding:15px 18px;border:0;border-radius:16px;background:linear-gradient(135deg,var(--green),#c7dc86);font-weight:900;color:#1c2810;cursor:pointer;box-shadow:0 10px 24px rgba(149,180,70,.28)}

@media (max-width: 1180px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto;gap:18px}
  .side-group{grid-template-columns:repeat(2,minmax(0,1fr))}
  .side-footer{margin-top:0}
}
@media (max-width: 980px){
  .metric-grid,.card-grid,.layout-2,.lesson-wrap,.cert-grid,.login-shell{grid-template-columns:1fr}
  .hero h2,.lesson-card h2{font-size:40px}
  .login-side{min-height:auto}
}
@media (max-width: 760px){
  .content,.topbar{padding-left:18px;padding-right:18px}
  .topbar-row{flex-direction:column;align-items:flex-start}.top-actions{justify-content:flex-start}
  .content{padding-top:18px}
  .hero,.lesson-card,.cert-sheet,.form-card,.login-card{padding:22px}
  .hero h2,.lesson-card h2,.top-title h1,.login-side h1{font-size:34px}
  .course-card h3,.cert-card h3{font-size:28px}
  .row-link{padding:16px 18px;grid-template-columns:44px 1fr auto}
  .login-stats{grid-template-columns:1fr}
  .side-group{grid-template-columns:1fr}
}
@media print{
  .sidebar,.topbar,.actions .btn,.actions .btn-secondary,.actions .btn-ghost,.print-hide{display:none !important}
  body{background:#fff}
  .app-shell{display:block}
  .content{padding:0}
  .cert-sheet{box-shadow:none}
}

/* V4 — escala más fina y compacta */
.app-shell{grid-template-columns:238px minmax(0,1fr)}
.sidebar{padding:20px 16px;gap:18px}
.brand-logo{width:38px;height:38px;border-radius:12px}
.brand-text strong{font-size:22px}.brand-text span{font-size:12px}
.user-card{padding:13px;border-radius:16px}.avatar{width:38px;height:38px}.user-card strong{font-size:14px}
.side-link{padding:11px 12px;border-radius:13px;font-size:14px}
.topbar{padding:14px 24px}.top-title h1{font-size:23px}.top-title small{font-size:10px}
.action-link{padding:9px 12px;border-radius:12px;font-size:13px}.ghost-link{font-size:13px}
.content{padding:22px 24px 64px}.hero{padding:23px 25px;border-radius:22px}.hero h2{font-size:38px;margin:7px 0 9px}.hero p{font-size:15px;line-height:1.55}
.metric-grid{gap:12px;margin-top:18px}.metric-card{padding:15px 16px;border-radius:16px}.metric-card strong{font-size:27px}.metric-card span{font-size:12px;margin-top:6px}
.section-head{margin:22px 0 13px}.section-head h2{font-size:27px}.section-head p{font-size:14px}
.card-grid{gap:14px}.card{border-radius:20px}.course-card{padding:19px}.course-card h3{font-size:29px;margin:13px 0 7px}.course-card p{font-size:14px}.meta-line{font-size:12px;margin-top:13px}.badge{font-size:11px;padding:7px 10px}.progress{height:8px;margin:15px 0 9px}.course-action{font-size:14px}
.layout-2,.lesson-wrap{gap:16px}.panel,.module{border-radius:20px}.panel-head{padding:16px 18px}.panel-head h3,.panel-head h2{font-size:19px}.panel-body{padding:16px 18px}.summary-item{padding:11px 13px;border-radius:13px}.summary-item strong{font-size:19px}.summary-item span{font-size:13px}
.module-head{padding:18px}.module-head h3{font-size:25px;margin:9px 0 5px}.module-head p{font-size:13px}.module-head small{font-size:10px}
.row-link{grid-template-columns:44px 1fr auto;padding:14px 18px}.row-num{width:36px;height:36px;border-radius:11px;font-size:12px}.row-text b{font-size:16px}.row-text span{font-size:12px}.state{font-size:10px;padding:7px 10px}
.lesson-card{padding:24px;border-radius:22px}.lesson-card h2{font-size:36px}.wp-content{font-size:15.5px;line-height:1.72}.btn,.btn-secondary,.btn-ghost,.btn-danger{padding:11px 15px;border-radius:13px;font-size:13px}
.form-card{padding:20px;border-radius:20px}.field{margin-bottom:13px}.field input{padding:12px 13px;border-radius:12px}.field label{font-size:14px}.help{font-size:12px}
.cert-card{padding:19px;border-radius:20px}.cert-card h3{font-size:26px}

.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:20px 0 14px}
.admin-toolbar h2{font-size:27px;margin:0;letter-spacing:-.03em}.admin-toolbar p{margin:4px 0 0;color:var(--muted);font-size:13px}
.table-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:780px}.data-table th{text-align:left;padding:12px 16px;background:#fafcf6;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--line)}.data-table td{padding:14px 16px;border-bottom:1px solid #eff3e8;font-size:13px;vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table tr:hover td{background:#fcfdf9}
.person{display:flex;align-items:center;gap:10px}.person-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#eef4df;color:var(--green-ink);font-weight:900}.person strong{display:block;font-size:14px}.person small{display:block;color:var(--muted);margin-top:2px}
.course-tags{display:flex;flex-wrap:wrap;gap:6px}.mini-tag{display:inline-flex;padding:6px 9px;border-radius:999px;background:#eef4df;color:var(--green-ink);font-size:10px;font-weight:800}.mini-tag.free{background:#f1f0ff;color:#50457a}.mini-tag.paused{background:#fff2ef;color:#a74a3e}.mini-tag.pending{background:#fff4ec;color:#ad643a}
.inline-actions{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.small-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:11px;font-weight:800;cursor:pointer}.small-btn.primary{background:var(--green);border-color:var(--green);color:#1c2810}.small-btn.dark{background:var(--ink);border-color:var(--ink);color:#fff}.small-btn.warn{background:#fff4ec;border-color:#ffe0d1;color:#9a5232}.small-btn.danger{background:#fff1ef;border-color:#ffd6cf;color:#a23d35}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.detail-box{padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}.detail-box label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:5px}.detail-box strong{font-size:15px}
.check-list{display:grid;gap:9px}.check-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 13px;border:1px solid var(--line);border-radius:14px;background:#fff}.check-row label{display:flex;align-items:center;gap:9px;font-weight:700;font-size:13px}.check-row small{color:var(--muted)}
.template-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.template-card{padding:14px;border:1px solid var(--line);border-radius:15px;background:#fff}.template-card strong{display:block;font-size:13px}.template-card p{font-size:12px;color:var(--muted);line-height:1.45;margin:7px 0 11px}
.registration-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border:1px solid #ffdccc;background:#fff6f1;border-radius:16px;margin-bottom:16px}.registration-banner strong{display:block}.registration-banner span{color:#985239;font-size:13px}

@media(max-width:1180px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.detail-grid,.template-grid{grid-template-columns:1fr}}
@media(max-width:760px){.content{padding:16px 16px 50px}.hero h2{font-size:31px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-toolbar{align-items:flex-start;flex-direction:column}.topbar{padding:12px 16px}}

/* V5 — refinamiento visual + sidebar flexible estilo panel admin */
:root{
  --bg:#eef1e8;
  --panel:#ffffff;
  --line:#e1e7d5;
  --shadow:0 8px 24px rgba(31,24,50,.055);
  --shadow-sm:0 4px 14px rgba(31,24,50,.045);
}
body{background:var(--bg)}
.app-shell{grid-template-columns:238px minmax(0,1fr);transition:grid-template-columns .22s ease;background:var(--bg)}
.sidebar{
  background:#fff;color:var(--ink);padding:20px 16px 18px;gap:18px;
  border-right:1px solid var(--line);box-shadow:2px 0 16px rgba(31,24,50,.025);
  transition:padding .22s ease;overflow:visible
}
.brand{flex-direction:column;justify-content:center;text-align:center;gap:8px;padding:2px 4px 8px}
.brand-logo{
  width:88px;height:88px;border-radius:50%;background-color:transparent;
  background-image:url('/assets/img/logo-idiomate-sello.png');background-size:contain;background-position:center;background-repeat:no-repeat;
  box-shadow:none;font-size:0;color:transparent;transition:width .22s ease,height .22s ease
}
.brand-text{gap:1px}.brand-text strong{font-size:20px;color:var(--ink)}.brand-text b{color:var(--green-dark)}.brand-text span{font-size:11px;color:var(--muted)}
.user-card{padding:11px 12px;border:1px solid var(--line);background:#fafbf7;border-radius:15px;color:var(--ink)}
.user-card small{color:var(--muted)}.user-card strong{font-size:13px}.avatar{width:36px;height:36px;font-size:13px}
.side-label{font-size:9px;color:#9a93a7;padding:0 11px}.side-group{gap:4px}
.side-link{padding:10px 11px;border-radius:11px;color:#373047;font-size:13px;gap:10px;white-space:nowrap;overflow:hidden}
.side-link:hover{background:#f3f5ed;color:var(--ink)}
.side-link.active{background:#e9ede1;color:#2c351a;box-shadow:none;font-weight:700}
.side-icon{width:7px;height:7px;background:#888294;flex:0 0 auto}.side-link.active .side-icon{background:var(--green-dark)}
.side-footer .side-link{color:#554f60}
.sidebar-toggle{
  position:absolute;right:-13px;top:92px;width:27px;height:27px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-sm);z-index:30;padding:0
}
.sidebar-toggle span{font-size:19px;line-height:1;margin-top:-2px}
.sidebar-toggle:hover{background:#f7f9f2}
.sidebar-collapsed{grid-template-columns:76px minmax(0,1fr)}
.sidebar-collapsed .sidebar{padding-left:10px;padding-right:10px}
.sidebar-collapsed .brand-logo{width:48px;height:48px}
.sidebar-collapsed .brand-text,.sidebar-collapsed .user-card>div:last-child,.sidebar-collapsed .side-label{display:none}
.sidebar-collapsed .brand{padding-top:8px}
.sidebar-collapsed .user-card{justify-content:center;padding:9px 6px}
.sidebar-collapsed .side-link{justify-content:center;padding:11px 8px;font-size:0;gap:0}
.sidebar-collapsed .side-link .side-icon{width:9px;height:9px}
.sidebar-collapsed .sidebar-toggle{right:-13px}

.main{background:#f2f4ed;min-height:100vh}
.topbar{padding:14px 24px;background:#fff;border-bottom:1px solid var(--line);box-shadow:none}
.top-title{gap:2px}.top-title small{font-size:10px}.top-title h1{font-size:22px;letter-spacing:-.025em}
.action-link{padding:8px 11px;border-radius:10px;font-size:12px;box-shadow:none}.ghost-link{font-size:12px}
.content{padding:22px 24px 58px;max-width:1420px}
.hero{padding:22px;border-radius:20px;box-shadow:var(--shadow-sm);background:#f9fbf4}
.hero h2{font-size:38px;margin:7px 0 8px;letter-spacing:-.035em}.hero p{font-size:14px;line-height:1.55}
.eyebrow{font-size:10px;letter-spacing:.12em}
.metric-grid{gap:12px;margin-top:17px}.metric-card{padding:14px;border-radius:15px;box-shadow:none}.metric-card strong{font-size:27px}.metric-card span{font-size:12px;margin-top:5px}
.section-head{margin:22px 0 12px}.section-head h2{font-size:27px}.section-head p{font-size:12px}
.card-grid{gap:14px}.card{border-radius:19px;box-shadow:var(--shadow-sm)}.course-card{padding:18px}.course-card h3{font-size:27px;margin:11px 0 7px}.course-card p{font-size:13px}.meta-line{font-size:11px;margin-top:11px}.badge{font-size:10px;padding:6px 9px}.course-action{font-size:12px;margin-top:9px}
.layout-2,.lesson-wrap{grid-template-columns:minmax(0,1fr) 300px;gap:14px}.stack{gap:14px}
.panel,.module{border-radius:17px;box-shadow:var(--shadow-sm)}.panel-head{padding:14px 16px}.panel-head h3,.panel-head h2{font-size:17px}.panel-body{padding:14px 16px}
.summary-item{padding:9px 11px;border-radius:11px}.summary-item strong{font-size:17px}.summary-item span{font-size:12px}
.module-head{padding:15px}.module-head h3{font-size:22px;margin:7px 0 4px}.module-head p{font-size:12px}.module-head small{font-size:9px}
.row-link{grid-template-columns:38px 1fr auto;padding:12px 15px}.row-num{width:32px;height:32px;border-radius:9px;font-size:11px}.row-text b{font-size:14px}.row-text span{font-size:11px}.state{font-size:9px;padding:6px 8px}
.lesson-card{padding:20px;border-radius:18px}.lesson-card h2{font-size:31px}.wp-content{font-size:14.5px;line-height:1.68}
.btn,.btn-secondary,.btn-ghost,.btn-danger{padding:9px 12px;border-radius:10px;font-size:11px}
.form-card{padding:17px;border-radius:17px}.field{margin-bottom:11px}.field input,.field textarea{padding:10px 11px;border-radius:10px;border:1px solid var(--line);background:#fff;width:100%}.field label{font-size:12px}.help{font-size:11px}
.admin-toolbar{margin:17px 0 11px}.admin-toolbar h2{font-size:23px}.admin-toolbar p{font-size:12px}
.table-card{border-radius:16px;box-shadow:var(--shadow-sm)}.data-table th{padding:10px 13px;font-size:9px}.data-table td{padding:11px 13px;font-size:12px}.person strong{font-size:12px}.person small{font-size:10px}.person-avatar{width:30px;height:30px;font-size:11px}
.small-btn{padding:7px 9px;border-radius:9px;font-size:10px}.mini-tag{font-size:9px;padding:5px 8px}
.detail-grid{gap:10px}.detail-box{padding:12px;border-radius:12px}.detail-box strong{font-size:13px}
.check-row{padding:10px 11px;border-radius:11px}.check-row label{font-size:12px}.template-grid{gap:9px}.template-card{padding:12px;border-radius:12px}.template-card p{font-size:11px}.template-card strong{font-size:12px}
.registration-banner{padding:11px 13px;border-radius:12px;font-size:12px}.registration-banner span{font-size:11px}
.toggle-line{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.mail-log-list{display:grid;gap:8px}.mail-log{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid #edf0e7}.mail-log:last-child{border-bottom:0}.mail-log strong{display:block;font-size:11px}.mail-log small{display:block;color:var(--muted);font-size:10px;margin-top:2px;max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
code{font-size:11px;background:#f0f2ea;padding:2px 5px;border-radius:5px}

@media(max-width:1180px){
  .app-shell,.sidebar-collapsed{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:12px 16px}
  .brand{flex-direction:row;justify-content:flex-start;text-align:left}.brand-logo{width:46px;height:46px}.brand-text{display:grid!important}.sidebar-toggle{display:none}
  .side-group{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.side-label{display:none}.side-link,.sidebar-collapsed .side-link{font-size:11px;justify-content:flex-start;padding:9px 10px}.sidebar-collapsed .user-card>div:last-child{display:block}.sidebar-collapsed .user-card{justify-content:flex-start}
  .side-footer{margin-top:0}.layout-2,.lesson-wrap{grid-template-columns:1fr}
}
@media(max-width:760px){
  .side-group{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content{padding:16px}.topbar{padding:11px 16px}.hero h2{font-size:30px}
}

/* V8 - gestión académica */
.catalog-stack{display:grid;gap:14px}.catalog-head{display:flex;align-items:center;justify-content:space-between}.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.level-card{border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px}.level-card h4{font-size:17px;margin:12px 0 7px}.level-card p{font-size:11px;color:var(--muted);line-height:1.45;min-height:32px}.module-admin-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.module-admin-head input,.inline-actions input{padding:8px 10px;border:1px solid var(--line);border-radius:9px;min-width:180px}.content-list{display:grid;gap:8px;margin-bottom:12px}.content-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 11px;border:1px solid var(--line);border-radius:11px;background:#fbfcf8}.content-row strong{display:block;font-size:12px}.content-row small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.split-actions{display:flex;gap:9px;flex-wrap:wrap;padding-top:10px;border-top:1px solid var(--line)}.danger-panel{border-color:#f0cfc9}.danger-panel .panel-head{background:#fff8f6}.muted{color:var(--muted)}
@media(max-width:1100px){.level-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.level-grid{grid-template-columns:1fr}.module-admin-head,.content-row{align-items:flex-start;flex-direction:column}.inline-actions input{min-width:0;width:100%}}

/* V8.1 — branding limpio, iconos reales y acordeones compactos */
.admin-brand{gap:7px;padding:0 4px 10px}
.admin-brand .brand-logo{width:82px;height:82px}
.admin-brand .brand-text strong{font-size:19px;color:var(--green-dark);font-weight:900;letter-spacing:-.02em}
.admin-brand .brand-text span,.admin-brand .brand-text b{display:none!important}
.side-icon.svg-icon{width:19px;height:19px;border-radius:0;background:transparent!important;display:grid;place-items:center;opacity:.78;flex:0 0 19px}
.side-icon.svg-icon svg{width:18px;height:18px;fill:currentColor;display:block}
.side-link.active .side-icon.svg-icon{color:var(--green-dark);opacity:1}
.side-text{min-width:0;overflow:hidden;text-overflow:ellipsis}
.sidebar-collapsed .admin-brand .brand-logo{width:46px;height:46px}
.sidebar-collapsed .admin-brand .brand-text{display:block!important}
.sidebar-collapsed .admin-brand .brand-text strong{display:none}
.sidebar-collapsed .side-link{font-size:13px!important;padding:11px 8px!important;gap:0!important}
.sidebar-collapsed .side-link .side-text{display:none}
.sidebar-collapsed .side-link .side-icon.svg-icon{width:22px;height:22px;flex-basis:22px}
.sidebar-collapsed .side-link .side-icon.svg-icon svg{width:20px;height:20px}
.sidebar-collapsed .user-card .avatar{width:36px;height:36px}

.student-accordions{display:grid;gap:12px}
.accordion-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);overflow:hidden}
.accordion-card[open]{box-shadow:var(--shadow)}
.accordion-card>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 17px;font-weight:850;color:var(--ink);user-select:none}
.accordion-card>summary::-webkit-details-marker{display:none}
.accordion-card>summary::after{content:'+';width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#f1f4ea;color:var(--green-dark);font-size:18px;line-height:1;flex:0 0 auto;transition:transform .18s ease}
.accordion-card[open]>summary::after{content:'−'}
.accordion-card[open]>summary{border-bottom:1px solid var(--line);background:#fbfcf8}
.accordion-card>.accordion-body{padding:16px 17px}
.accordion-card.danger-accordion{border-color:#f2c9c2}
.accordion-card.danger-accordion>summary{color:#9f4037}
.accordion-card.danger-accordion>summary::after{background:#fff1ef;color:#a23d35}
.accordion-card .panel-body{padding:0}
.student-side-accordions{display:grid;gap:12px}
.student-page .layout-2{align-items:start}
@media(max-width:760px){.accordion-card>summary{padding:14px 15px}.accordion-card>.accordion-body{padding:14px 15px}}

/* V8.2 — acordeones compactos en Cursos/Plantillas + resumen rápido en Alumnos */
.admin-accordions{display:grid;gap:12px}
.accordion-title-wrap{display:grid;gap:4px}
.accordion-title-wrap strong{font-size:16px;line-height:1.2}
.accordion-title-wrap small{font-size:12px;color:var(--muted);font-weight:600}
.compact-toolbar{margin-bottom:2px}
.progress-mini-list,.module-mini-list{display:grid;gap:8px;min-width:170px}
.progress-mini,.module-mini{display:grid;gap:3px;padding:8px 10px;border:1px solid var(--line);border-radius:12px;background:#fbfcf8}
.progress-mini strong,.module-mini strong{font-size:12px;line-height:1.25}
.progress-mini span,.module-mini span{font-size:11px;color:var(--muted);line-height:1.35}
.small-copy{font-size:12px}
.data-table td .course-tags{min-width:150px}
.data-table td{vertical-align:top}
@media(max-width:1100px){
  .progress-mini-list,.module-mini-list{min-width:140px}
}

/* V8.3 — selector visual de idiomas para docentes */
.teacher-layout{grid-template-columns:minmax(0,1fr) 360px}
.teacher-list{display:grid;gap:12px}
.teacher-card{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.teacher-card-main{display:grid;gap:12px;min-width:0}
.teacher-card-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.teacher-language-chips{display:flex;flex-wrap:wrap;gap:8px}
.language-chip{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#f8faf3;color:var(--ink);font-size:12px;font-weight:750}
.language-chip img{width:22px;height:16px;object-fit:cover;border-radius:3px;box-shadow:0 0 0 1px rgba(31,24,50,.08)}
.language-chip.empty-language{color:var(--muted);font-weight:650}
.language-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.language-option{display:block;cursor:pointer}
.language-option>input{position:absolute;opacity:0;pointer-events:none}
.language-option-card{display:grid;grid-template-columns:42px 1fr 26px;align-items:center;gap:11px;padding:11px 12px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.18s ease;min-height:66px}
.language-option-card:hover{border-color:#cbd9a5;background:#fbfcf7}
.language-option-card img{width:38px;height:26px;object-fit:cover;border-radius:5px;box-shadow:0 0 0 1px rgba(31,24,50,.08)}
.language-option-card strong{display:block;font-size:13px}
.language-option-card small{display:block;font-size:10px;color:var(--muted);margin-top:2px}
.language-option-card i{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:transparent;background:#fff;font-style:normal;font-size:12px;font-weight:900}
.language-option>input:checked + .language-option-card{border-color:#a9c75a;background:#f4f8e8;box-shadow:0 0 0 2px rgba(149,180,70,.12)}
.language-option>input:checked + .language-option-card i{background:var(--green);border-color:var(--green);color:#1d2910}
.teacher-edit-card{max-width:900px}
@media(max-width:1100px){.teacher-layout{grid-template-columns:1fr}.language-picker{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.teacher-card{align-items:flex-start;flex-direction:column}.teacher-card-actions{justify-content:flex-start}.language-picker{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.language-picker{grid-template-columns:1fr}}

/* V8.4 — login simple + recuperación + contenido adicional docente */
.simple-login-page{background:radial-gradient(circle at top left,rgba(149,180,70,.16),transparent 34%),#f6f8f2;min-height:100vh}
.simple-login-shell{width:min(560px,100%);margin:auto;padding:28px}
.simple-login-card{padding:34px 36px;text-align:left}
.login-round-logo{width:104px;height:104px;object-fit:contain;display:block;margin:0 auto 22px}
.login-secondary-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:14px}
.login-secondary-actions .btn-ghost{font-size:13px;padding:9px 0}
.teacher-permission-note{display:flex;align-items:flex-start;gap:10px;padding:13px 15px;margin-bottom:14px;border:1px solid #d9e6b7;background:#f7faef;border-radius:14px;color:var(--green-ink)}
.teacher-permission-note strong{white-space:nowrap}.teacher-permission-note span{font-size:13px;line-height:1.45;color:var(--muted)}
.additional-section{margin-top:16px;padding-top:15px;border-top:1px solid var(--line)}
.additional-section-head h4{margin:4px 0 10px;font-size:18px}
.additional-admin-list{display:grid;gap:9px;margin-bottom:12px}
.additional-admin-card{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:13px 14px;border:1px solid #dfe8ca;background:#fafcf6;border-radius:13px}
.additional-admin-card strong{display:block;font-size:13px}.additional-admin-card small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.additional-admin-card p{font-size:12px;line-height:1.5;color:#4e485b;margin:8px 0 0}
.additional-form{padding:14px;border:1px dashed #cddba9;border-radius:13px;background:#fbfcf8}
.compact-empty{padding:12px}
.student-additional-blocks{padding:15px 18px 18px;border-top:1px solid var(--line);background:#fbfcf8}
.student-additional-heading{font-size:13px;font-weight:850;color:var(--green-dark);margin-bottom:10px}
.student-additional-card{padding:14px 15px;border:1px solid #dce6c5;border-radius:14px;background:#fff;margin-top:9px}
.student-additional-card>div{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.student-additional-card strong{font-size:14px}.student-additional-card small{font-size:11px;color:var(--muted)}.student-additional-card p{font-size:13px;line-height:1.6;margin:10px 0 0;color:#453f51}
@media(max-width:640px){.simple-login-shell{padding:16px}.simple-login-card{padding:24px}.login-round-logo{width:88px;height:88px}.teacher-permission-note{flex-direction:column}.additional-admin-card{flex-direction:column}}


/* V8.6 — unificación visual del Campus con el sidebar del Admin */
.campus-unified-brand{gap:7px;padding:0 4px 10px;flex-direction:column;justify-content:center;text-align:center}
.campus-unified-brand .brand-logo{width:82px;height:82px;background-size:contain;background-position:center;background-repeat:no-repeat;background-color:transparent;box-shadow:none;border-radius:50%}
.campus-unified-brand .brand-text{display:block!important}
.campus-unified-brand .brand-text strong{font-size:19px;color:var(--green-dark);font-weight:900;letter-spacing:-.02em}
.campus-unified-brand .brand-text span,.campus-unified-brand .brand-text b{display:none!important}
.sidebar .side-icon.svg-icon{width:19px;height:19px;border-radius:0;background:transparent!important;display:grid;place-items:center;opacity:.78;flex:0 0 19px}
.sidebar .side-icon.svg-icon svg{width:18px;height:18px;fill:currentColor;display:block}
.sidebar .side-link.active .side-icon.svg-icon{color:var(--green-dark);opacity:1}
.sidebar .side-text{min-width:0;overflow:hidden;text-overflow:ellipsis}
.sidebar-collapsed .campus-unified-brand .brand-logo{width:46px;height:46px}
.sidebar-collapsed .campus-unified-brand .brand-text{display:none!important}
.sidebar-collapsed .side-link{font-size:13px!important;padding:11px 8px!important;gap:0!important}
.sidebar-collapsed .side-link .side-text{display:none}
.sidebar-collapsed .side-link .side-icon.svg-icon{width:22px;height:22px;flex-basis:22px}
.sidebar-collapsed .side-link .side-icon.svg-icon svg{width:20px;height:20px}
.sidebar-collapsed .user-card .avatar{width:36px;height:36px}
@media(max-width:1180px){
  .campus-unified-brand{flex-direction:row;justify-content:flex-start;text-align:left;padding:0}
  .campus-unified-brand .brand-logo{width:46px;height:46px}
  .campus-unified-brand .brand-text{display:block!important}
  .sidebar-collapsed .campus-unified-brand .brand-text{display:block!important}
  .sidebar-collapsed .side-link .side-text{display:inline}
}

/* V9.1 — matrículas 1 a 1, docentes y agenda */
.registration-grid,.teacher-student-grid,.student-class-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.registration-card,.teacher-student-card,.student-class-card{background:#fff;border:1px solid var(--line,#e4ead6);border-radius:18px;padding:18px;box-shadow:0 10px 30px rgba(31,24,50,.04)}.registration-person,.teacher-student-head,.student-class-top{display:flex;align-items:center;justify-content:space-between;gap:14px}.registration-person .person,.teacher-student-head .person{min-width:0}.request-summary{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.approval-form,.class-schedule-form,.assignment-form{display:grid;gap:14px}.history-list{margin-top:22px}.history-list h3{margin:0 0 10px}.schedule-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.schedule-head small{display:block;color:var(--muted,#6d687a);margin-top:3px}.duration-field{display:grid;gap:4px;font-size:12px;font-weight:700}.duration-field select{min-height:38px;border:1px solid var(--line,#e4ead6);border-radius:10px;background:#fff;padding:0 10px}.weekday-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.weekday-card{display:grid;gap:8px;border:1px solid var(--line,#e4ead6);border-radius:12px;padding:10px;background:#fff;transition:.18s ease}.weekday-card.selected{background:#f3f7e8;border-color:#b8ca7c}.weekday-card>span{display:flex;gap:7px;align-items:center}.weekday-card strong{font-size:13px}.weekday-card input[type=time]{width:100%;min-width:0;border:1px solid var(--line,#e4ead6);border-radius:9px;padding:8px;background:#fff}.student-class-grid{margin-bottom:24px}.student-class-card{display:grid;gap:14px}.student-class-top h3{margin:4px 0 0}.class-detail{display:grid;gap:3px;padding-top:12px;border-top:1px solid #edf0e4}.class-detail small{color:var(--muted,#6d687a)}.class-meet-btn{text-align:center;justify-content:center}.assignment-summary-list{display:grid;gap:8px;margin-bottom:16px}.auth-select{appearance:auto!important}
@media(max-width:900px){.registration-grid,.teacher-student-grid,.student-class-grid{grid-template-columns:1fr}.weekday-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.registration-card,.teacher-student-card,.student-class-card{padding:15px;border-radius:15px}.registration-person,.teacher-student-head,.student-class-top,.schedule-head{align-items:flex-start;flex-direction:column}.weekday-grid{grid-template-columns:1fr 1fr}.detail-grid{grid-template-columns:1fr!important}.inline-actions{flex-wrap:wrap}.approval-form select,.class-schedule-form input,.class-schedule-form select,.assignment-form select{width:100%;max-width:100%}}
@media(max-width:430px){.weekday-grid{grid-template-columns:1fr}}

/* V9.2 — alumnos desplegables, responsive móvil, presencia y chat diario */
.teacher-student-list{display:grid;gap:12px;max-width:980px}.teacher-student-accordion{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);overflow:hidden}.teacher-student-accordion>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px}.teacher-student-accordion>summary::-webkit-details-marker{display:none}.teacher-student-summary-main{display:flex;align-items:center;gap:10px;min-width:0}.teacher-student-summary-main>div:last-child{min-width:0}.teacher-student-summary-main strong,.teacher-student-summary-main small{display:block}.teacher-student-summary-main small{color:var(--muted);font-size:11px;margin-top:2px}.teacher-student-summary-meta{display:flex;align-items:center;gap:10px;flex:0 0 auto}.accordion-chevron{font-size:20px;color:var(--muted);transition:.2s}.teacher-student-accordion[open] .accordion-chevron{transform:rotate(180deg)}.teacher-student-accordion-body{padding:0 16px 16px;border-top:1px solid #edf0e4}.teacher-card-actions-row{display:flex;align-items:end;gap:10px;margin-top:14px}.teacher-card-actions-row .grow{flex:1;margin:0}.chat-open-btn{height:39px;white-space:nowrap}.schedule-limit-help{font-size:10px;color:var(--muted);margin-top:-4px}.presence-dot{display:inline-block;width:9px;height:9px;border-radius:50%;flex:0 0 9px;box-shadow:0 0 0 3px rgba(0,0,0,.03)}.presence-dot.online{background:#39e06f;box-shadow:0 0 9px rgba(57,224,111,.8)}.presence-dot.offline{background:#ef5b5b;box-shadow:0 0 6px rgba(239,91,91,.35)}.student-class-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.student-class-actions>*{flex:1 1 180px}.class-chat-btn{border:1px solid var(--line);border-radius:10px;padding:9px 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff}.chat-page-shell{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top left,rgba(149,180,70,.12),transparent 28%),var(--bg)}.chat-card{width:min(720px,100%);height:min(760px,calc(100vh - 40px));display:grid;grid-template-rows:auto auto 1fr auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.chat-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line)}.chat-head>div{display:grid;grid-template-columns:auto 1fr;column-gap:8px;align-items:center}.chat-head strong{font-size:14px}.chat-head small{grid-column:2;color:var(--muted);font-size:10px}.chat-back{font-size:12px;font-weight:800;color:var(--green-dark)}.chat-notice{padding:10px 18px;background:#f7faef;color:var(--muted);font-size:10px;border-bottom:1px solid var(--line)}.chat-messages{padding:16px;overflow:auto;display:flex;flex-direction:column;gap:9px}.chat-bubble{max-width:78%;padding:10px 12px;border-radius:14px;background:#f3f4ef;align-self:flex-start}.chat-bubble.mine{align-self:flex-end;background:#eaf3d5}.chat-bubble small{display:block;color:var(--muted);font-size:9px;margin-bottom:3px}.chat-bubble p{margin:0;font-size:13px;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere}.chat-empty{text-align:center;color:var(--muted);font-size:12px;padding:30px}.chat-compose{display:grid;grid-template-columns:1fr auto;gap:10px;padding:12px;border-top:1px solid var(--line)}.chat-compose textarea{resize:none;border:1px solid var(--line);border-radius:12px;padding:11px;min-width:0}.chat-compose .btn{align-self:stretch}.teacher-student-accordion input[type=url]{overflow:hidden;text-overflow:ellipsis}

@media(max-width:760px){
  .app-shell,.sidebar-collapsed{display:block;min-height:100vh}.sidebar{position:relative!important;top:auto!important;height:auto!important;min-height:0!important;width:100%!important;padding:10px 14px!important;display:grid!important;grid-template-columns:1fr 42px!important;align-items:center;gap:8px!important;border-right:0;border-bottom:1px solid var(--line)}
  .sidebar .brand,.sidebar .campus-unified-brand{grid-column:1;grid-row:1;flex-direction:row!important;justify-content:flex-start!important;text-align:left!important;padding:0!important;gap:8px!important}.sidebar .brand-logo,.sidebar-collapsed .brand-logo,.sidebar-collapsed .campus-unified-brand .brand-logo{width:44px!important;height:44px!important}.sidebar .brand-text,.sidebar-collapsed .brand-text,.sidebar-collapsed .campus-unified-brand .brand-text{display:block!important}.sidebar .brand-text strong{font-size:16px!important}.sidebar-toggle{grid-column:2;grid-row:1;position:static!important;justify-self:end;width:36px;height:36px;border-radius:11px}.sidebar-toggle span{font-size:0}.sidebar-toggle span:before{content:'☰';font-size:18px}.sidebar.mobile-menu-open .sidebar-toggle span:before{content:'×';font-size:24px}
  .sidebar .user-card,.sidebar .side-group,.sidebar .side-footer{display:none!important;grid-column:1/-1}.sidebar.mobile-menu-open .user-card{display:flex!important;margin-top:4px}.sidebar.mobile-menu-open .side-group{display:grid!important}.sidebar.mobile-menu-open .side-footer{display:grid!important;margin-top:0}.sidebar-collapsed .side-link{justify-content:flex-start!important;font-size:13px!important;gap:10px!important;padding:10px 11px!important}.sidebar-collapsed .side-link .side-text{display:inline!important}.sidebar-collapsed .user-card>div:last-child,.sidebar-collapsed .side-label{display:block!important}.sidebar-collapsed .side-link .side-icon.svg-icon{width:19px;height:19px;flex-basis:19px}.sidebar-collapsed .side-link .side-icon.svg-icon svg{width:18px;height:18px}
  .main{min-width:0}.topbar{position:relative;top:auto;padding:11px 14px}.topbar-row{align-items:flex-start}.top-title h1{font-size:20px}.content{padding:14px 12px 42px;overflow:hidden}.hero{padding:18px 16px}.hero h2{font-size:30px;overflow-wrap:anywhere}.hero p{font-size:13px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.metric-card{padding:12px}.metric-card strong{font-size:24px}.section-head{align-items:flex-start;flex-direction:column}.section-head h2{font-size:24px}.card-grid,.student-class-grid,.teacher-student-grid,.registration-grid{grid-template-columns:1fr!important}.course-card h3{font-size:24px}.teacher-student-list{max-width:none}.teacher-student-accordion>summary{padding:12px;align-items:flex-start}.teacher-student-summary-meta{align-items:flex-end;flex-direction:column}.teacher-student-accordion-body{padding:0 12px 12px}.teacher-card-actions-row,.schedule-head{align-items:stretch;flex-direction:column}.chat-open-btn{width:100%}.weekday-grid{grid-template-columns:1fr!important}.weekday-card{grid-template-columns:1fr}.weekday-card input[type=time]{min-height:42px}.duration-field select{width:100%}.class-schedule-form .small-btn.primary{width:100%;min-height:42px}.student-class-card{padding:14px}.student-class-actions{display:grid;grid-template-columns:1fr}.student-class-actions>*{width:100%;flex:auto}.top-actions{display:none}.chat-page-shell{padding:0}.chat-card{height:100vh;border-radius:0;border:0}.chat-compose{grid-template-columns:1fr}.chat-compose .btn{width:100%}
}
@media(max-width:420px){.metric-grid{grid-template-columns:1fr 1fr}.teacher-student-summary-main .person-avatar{display:none}.teacher-student-summary-main{gap:7px}.mini-tag{white-space:nowrap}.chat-bubble{max-width:88%}}

/* V9.3 — navegación móvil real + mensajería flotante + estado de conexión */
@media(max-width:760px){
  .sidebar-toggle{display:grid!important;place-items:center!important;z-index:8!important}
  .sidebar{z-index:40!important}
  .sidebar.mobile-menu-open{box-shadow:0 14px 34px rgba(31,24,50,.12)}
  .sidebar.mobile-menu-open .side-group{grid-template-columns:1fr!important;gap:5px!important;padding-top:4px}
  .sidebar.mobile-menu-open .side-link{width:100%!important;justify-content:flex-start!important}
  .sidebar.mobile-menu-open .side-footer{padding-top:4px;border-top:1px solid var(--line)}
  .main{width:100%!important;max-width:100vw!important;overflow-x:hidden!important}
  .topbar,.content{width:100%;max-width:100%}
  .course-card,.card,.hero,.panel,.teacher-student-accordion{min-width:0;max-width:100%}
}

.campus-chat-widget{position:relative;z-index:120}
.chat-fab{position:fixed;right:22px;bottom:20px;z-index:124;display:flex;align-items:center;gap:9px;border:0;border-radius:999px;background:#1f1832;color:#fff;padding:12px 16px;font:800 13px/1 inherit;box-shadow:0 14px 38px rgba(31,24,50,.24);cursor:pointer}
.chat-fab-icon{font-size:17px;line-height:1}.chat-unread-badge{min-width:21px;height:21px;border-radius:999px;display:grid;place-items:center;background:#ff4d4f;color:#fff;font-size:11px;padding:0 6px;box-shadow:0 0 0 3px #fff}
.campus-chat-widget.has-unread .chat-fab{animation:chatPulse 2.2s ease-in-out infinite}@keyframes chatPulse{0%,100%{box-shadow:0 14px 38px rgba(31,24,50,.24)}50%{box-shadow:0 14px 40px rgba(31,24,50,.24),0 0 0 7px rgba(255,77,79,.08)}}
.chat-drawer{position:fixed;right:20px;bottom:76px;width:min(390px,calc(100vw - 28px));height:min(650px,calc(100vh - 110px));z-index:126;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 22px 70px rgba(31,24,50,.24);overflow:hidden;display:grid;grid-template-rows:auto 1fr;transform:translateY(16px) scale(.98);opacity:0;pointer-events:none;transition:.2s ease}
.chat-drawer.open{transform:none;opacity:1;pointer-events:auto}.chat-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 15px;border-bottom:1px solid var(--line);background:#fbfcf8}.chat-drawer-head>div{display:grid;gap:2px}.chat-drawer-head small{font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:var(--coral);font-weight:900}.chat-drawer-head strong{font-size:17px}.chat-drawer-head button{width:34px;height:34px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:22px;cursor:pointer}.chat-drawer-body{min-height:0}.chat-inbox,.chat-conversation{height:100%;min-height:0}.chat-inbox{overflow:auto;padding:8px}.chat-thread{width:100%;border:0;background:#fff;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;text-align:left;padding:11px 10px;border-radius:13px;cursor:pointer}.chat-thread:hover,.chat-thread.unread{background:#f5f8ee}.chat-thread-copy{min-width:0;display:grid;gap:2px}.chat-thread-copy strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-thread-copy small{font-size:9px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-thread-copy em{font-size:10px;color:#6d687a;font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-thread-meta{display:grid;justify-items:end;gap:6px}.chat-thread-meta small{font-size:9px;color:var(--muted)}.chat-thread-meta b{min-width:20px;height:20px;border-radius:999px;background:#ef4f55;color:#fff;display:grid;place-items:center;font-size:10px}.chat-loading{padding:26px;text-align:center;color:var(--muted);font-size:12px}
.chat-conversation{display:grid;grid-template-rows:auto auto 1fr auto}.chat-conversation-head{display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}.chat-conversation-head button{border:0;background:transparent;font-size:19px;cursor:pointer;color:var(--green-dark)}.chat-conversation-head>div{display:grid}.chat-conversation-head strong{font-size:13px}.chat-conversation-head small{font-size:9px;color:var(--muted)}.chat-inline-notice{padding:7px 12px;background:#f7faef;border-bottom:1px solid var(--line);font-size:9px;color:var(--muted)}.chat-inline-messages{min-height:0;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.chat-inline-compose{display:grid;grid-template-columns:1fr auto;gap:8px;padding:10px;border-top:1px solid var(--line)}.chat-inline-compose textarea{resize:none;min-width:0;border:1px solid var(--line);border-radius:11px;padding:9px 10px;font:inherit}.chat-inline-compose button{border:0;border-radius:10px;background:var(--green);color:#1c2410;font-weight:900;padding:0 14px;cursor:pointer}.chat-backdrop{position:fixed;inset:0;background:rgba(31,24,50,.16);z-index:122}
body.chat-drawer-open{overflow:hidden}
@media(max-width:760px){.chat-fab{right:12px;bottom:12px;padding:11px 14px}.chat-drawer{right:0;bottom:0;width:100vw;height:min(78vh,720px);border-radius:20px 20px 0 0;border-left:0;border-right:0;border-bottom:0}.chat-inline-compose{grid-template-columns:1fr auto}.chat-drawer-head{padding-top:12px}.chat-backdrop{background:rgba(31,24,50,.28)}}
@media(max-width:430px){.chat-fab span:not(.chat-fab-icon){display:none}.chat-fab{width:48px;height:48px;padding:0;justify-content:center}.chat-unread-badge{position:absolute;right:-4px;top:-5px}.chat-drawer{height:82vh}.chat-inline-compose{grid-template-columns:1fr}.chat-inline-compose button{min-height:40px}}

/* V9.3.2 — badge inexistente cuando no hay mensajes pendientes. */
.chat-unread-badge[hidden]{display:none!important}

/* V9.3.4 — chat flotante responsive consolidado */
.campus-chat-widget.is-open .chat-fab{opacity:0;transform:translateY(8px);pointer-events:none}
.chat-fab{transition:opacity .16s ease,transform .16s ease,box-shadow .2s ease}
.chat-inline-compose textarea{font-size:16px;line-height:1.35;max-height:112px}
@media(max-width:760px){
  .chat-drawer{right:8px;left:8px;bottom:8px;width:auto;height:min(86dvh,720px);max-height:calc(100dvh - 16px);border:1px solid var(--line);border-radius:20px}
  .chat-drawer-body{min-height:0}
  .chat-conversation{min-height:0}
  .chat-inline-messages{overscroll-behavior:contain}
  .chat-inline-compose{grid-template-columns:minmax(0,1fr) auto;align-items:stretch;padding:9px}
  .chat-inline-compose button{min-width:78px;padding:0 13px}
}
@media(max-width:430px){
  .chat-drawer{right:6px;left:6px;bottom:6px;height:calc(100dvh - 12px);max-height:none;border-radius:18px}
  .chat-drawer-head{padding:11px 12px}
  .chat-inline-compose{grid-template-columns:minmax(0,1fr) auto!important;gap:7px}
  .chat-inline-compose textarea{min-height:46px;max-height:92px;padding:10px}
  .chat-inline-compose button{min-width:68px;min-height:46px;padding:0 10px;font-size:13px}
}


/* === V9.5 cursos gratuitos independientes === */
.free-course-admin-grid{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(420px,1.2fr);gap:18px;align-items:start}
.free-course-list-row{align-items:center}
.free-course-list-row .badge-row{justify-content:flex-start;margin-bottom:5px}
.standalone-check{border:1px solid #e3e8d8;border-radius:12px;padding:12px 14px;background:#fafbf7}
.standalone-check span{display:flex;gap:9px;align-items:center;font-weight:700}
.standalone-check small{display:block;margin-top:5px;color:#777184}
.free-settings-panel{margin-bottom:18px}
@media(max-width:900px){.free-course-admin-grid{grid-template-columns:1fr}}
@media(max-width:640px){.free-course-admin-grid{display:block}.free-course-admin-grid>.panel{margin-bottom:14px}.free-course-list-row{gap:10px;align-items:flex-start}.free-course-list-row>a{width:auto}}


/* === V9.5.2 UI polish === */
.free-default-check{
  padding:10px 12px;
}
.free-default-check span{
  gap:8px;
  font-size:13px;
  line-height:1.3;
  font-weight:700;
}
.free-default-check input[type="checkbox"]{
  width:15px;
  height:15px;
  flex:0 0 15px;
}
.free-default-check small{
  margin-top:4px;
  font-size:11px;
  line-height:1.35;
}

.course-save-actions{
  margin-top:14px;
  margin-bottom:0;
}
.free-mode-form{
  margin-top:12px;
}
.free-mode-form .btn-danger{
  display:inline-flex;
  align-items:center;
}

@media(max-width:640px){
  .course-save-actions .btn,
  .free-mode-form .btn-danger{
    width:100%;
    justify-content:center;
  }
  .free-mode-form{
    margin-top:10px;
  }
}