:root{
  --green:#3C544C;--green-dark:#2F433C;--green-soft:#E8EFEC;--bg:#F4F2EC;--paper:#fff;
  --ink:#24312D;--muted:#68746F;--line:#DCE2DF;--accent:#D99A42;--danger:#A44D4D;
  --shadow:0 18px 50px rgba(35,52,46,.12);--radius:18px;
}

/* Estado HTML oculto: evita que reglas display:grid/flex sobrescriban [hidden] */
[hidden]{display:none !important}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:32px;background:radial-gradient(circle at top right,#dfe9e4 0,transparent 35%),linear-gradient(135deg,#f4f2ec,#eef3f1)}
.login-card{width:min(680px,100%);background:rgba(255,255,255,.94);border:1px solid #e5e8e6;border-radius:28px;box-shadow:var(--shadow);padding:34px}
.brand-lockup{display:flex;align-items:center;gap:14px}.brand-mark{width:54px;height:54px;border-radius:18px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;font-size:28px;box-shadow:0 8px 20px rgba(60,84,76,.25)}.brand-mark.small{width:40px;height:40px;border-radius:13px;font-size:20px}.brand-name{font-weight:800;letter-spacing:.18em}.brand-subtitle{font-size:13px;color:var(--muted);margin-top:2px}.brand-lockup.compact{gap:10px}
.demo-notice{margin:24px 0 10px;background:#fff7e7;border:1px solid #f1d69f;padding:12px 14px;border-radius:12px;color:#6f5528}.lead{color:var(--muted);line-height:1.6}h1{font-size:34px;margin:16px 0 8px}h2{font-size:27px;margin:0 0 6px}h3{margin:0 0 8px}p{line-height:1.55}
label{display:grid;gap:7px;font-weight:650;margin:14px 0;color:#35433e}input,select,textarea{width:100%;border:1px solid #ccd5d1;border-radius:11px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(60,84,76,.12)}textarea{min-height:105px;resize:vertical}
.btn{border:0;border-radius:11px;padding:11px 16px;font-weight:750}.btn.primary{background:var(--green);color:#fff}.btn.primary:hover{background:var(--green-dark)}.btn.secondary{background:var(--green-soft);color:var(--green-dark)}.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn.danger{background:#f7e7e7;color:#843d3d}.full{width:100%}.error{color:#9c3030}.micro{font-size:12px;color:var(--muted);text-align:center}.micro code{background:#eef1ef;padding:2px 6px;border-radius:6px}
.role-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:18px}.role-btn{border:1px solid var(--line);border-radius:13px;background:#fff;padding:12px;text-align:left}.role-btn:hover{border-color:#9caea7;background:#f7faf8}.role-btn b,.role-btn span{display:block}.role-btn span{font-size:12px;color:var(--muted);margin-top:3px}
.demo-bar{position:fixed;top:0;left:0;right:0;z-index:1000;background:#8f6328;color:#fff;text-align:center;padding:7px 12px;font-size:12px;letter-spacing:.03em}.link-btn{border:0;background:transparent;color:#fff;text-decoration:underline;margin-left:10px;padding:0}.topbar{position:fixed;top:31px;left:0;right:0;height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;z-index:800}.icon-btn{display:none;border:0;background:#eef2f0;border-radius:10px;padding:8px 11px;margin-right:10px}.user-chip{margin-left:auto;text-align:right}.user-chip span,.user-chip small{display:block}.user-chip small{color:var(--muted);font-size:12px;margin-top:2px}
.sidebar{position:fixed;top:101px;bottom:0;left:0;width:250px;background:var(--green);padding:18px 12px;display:flex;flex-direction:column;z-index:700}.sidebar nav{display:grid;gap:6px}.nav-btn{display:flex;align-items:center;gap:10px;border:0;background:transparent;color:#dfe9e5;padding:12px 13px;border-radius:11px;text-align:left;width:100%}.nav-btn:hover,.nav-btn.active{background:rgba(255,255,255,.13);color:#fff}.nav-btn span{width:22px;text-align:center}.sidebar-foot{margin-top:auto;display:grid;gap:8px}.sidebar-foot a{color:#dfe9e5;font-size:13px;padding:8px 13px}.nav-btn.danger{color:#ffd7d7}
.main-content{margin-left:250px;padding:135px 26px 46px;max-width:1500px}.view{display:none}.active-view{display:block}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--green);font-weight:800}.muted{color:var(--muted)}
.grid{display:grid;gap:16px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 6px 20px rgba(40,60,52,.05)}.kpi strong{display:block;font-size:32px;margin:6px 0}.kpi small{color:var(--muted)}.module-card{display:flex;gap:14px;align-items:flex-start}.module-icon{width:46px;height:46px;border-radius:14px;background:var(--green-soft);display:grid;place-items:center;font-size:22px}.module-card p{color:var(--muted);font-size:14px;margin:5px 0 12px}.module-card .btn{padding:8px 12px}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;min-width:800px}th,td{padding:12px 13px;border-bottom:1px solid #edf0ee;text-align:left;vertical-align:middle}th{background:#f6f8f7;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#65716c}tbody tr:hover{background:#fbfcfb}.student-name{font-weight:750}.sub{font-size:12px;color:var(--muted);margin-top:3px}.chip{display:inline-block;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:750}.chip.green{background:#e5f1eb;color:#2f6650}.chip.amber{background:#fff1cf;color:#7e5c13}.chip.blue{background:#e8eff8;color:#3b5f82}.chip.red{background:#f7e6e6;color:#864343}.chip.gray{background:#ecefee;color:#64706b}.actions{display:flex;gap:7px;flex-wrap:wrap}.actions .btn{padding:7px 10px;font-size:13px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.toolbar input,.toolbar select{width:auto;min-width:180px}.split{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.list{display:grid;gap:10px}.timeline{position:relative;padding-left:18px}.timeline:before{content:"";position:absolute;left:5px;top:9px;bottom:9px;width:2px;background:#dfe6e2}.timeline-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 14px;margin-bottom:12px}.timeline-item:before{content:"";position:absolute;left:-18px;top:19px;width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px var(--bg)}
.grade-input{width:74px;text-align:center;padding:7px}.score{font-weight:800}.level-superior{color:#2b6750}.level-alto{color:#3e6a83}.level-basico{color:#8a671a}.level-bajo{color:#9b4545}.descriptor-box{font-size:12px;color:var(--muted);max-width:280px}.helper{background:#edf4f1;border-left:4px solid var(--green);padding:12px 14px;border-radius:10px;margin:12px 0}.cta{background:linear-gradient(135deg,var(--green),#547369);color:#fff}.cta p{color:#e6efeb}.cta .btn{background:#fff;color:var(--green-dark)}
.modal-backdrop{position:fixed;inset:0;background:rgba(20,30,27,.55);display:grid;place-items:center;padding:24px;z-index:2000}.modal{position:relative;width:min(900px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:22px;padding:26px;box-shadow:var(--shadow)}.modal-close{position:absolute;right:14px;top:12px;width:38px;height:38px;border-radius:50%;border:0;background:#eef1ef;font-size:24px}.tabs{display:flex;gap:7px;flex-wrap:wrap;margin:16px 0}.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px}.tab.active{background:var(--green);color:#fff;border-color:var(--green)}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.info{background:#f7f9f8;border-radius:12px;padding:12px}.info b{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.toast{position:fixed;right:22px;bottom:22px;z-index:3000;background:#24342e;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:var(--shadow)}
.empty{padding:34px;text-align:center;color:var(--muted)}
@media(max-width:1000px){.grid.cols-4{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:1fr}.split{grid-template-columns:1fr}.role-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.icon-btn{display:block}.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0;padding:132px 15px 34px}.topbar{padding:0 14px}.brand-lockup.compact .brand-subtitle{display:none}.grid.cols-4,.grid.cols-2{grid-template-columns:1fr}.page-head{display:block}.page-head .actions{margin-top:12px}.login-card{padding:24px}.demo-bar{font-size:10px}.user-chip span{font-size:13px}}