:root{
    --bg:#f3f6fb;
    --card:#ffffff;
    --text:#172033;
    --muted:#687386;
    --primary:#0f4c81;
    --primary-2:#1769aa;
    --accent:#0b8f6a;
    --danger:#c0392b;
    --warning:#b7791f;
    --border:#dfe7f1;
    --soft:#eef5ff;
    --shadow:0 18px 45px rgba(15,76,129,.13);
    --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    background:linear-gradient(145deg,#edf4fc 0%,#f8fafc 48%,#eef6f2 100%);
    color:var(--text);
    min-height:100vh;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.page{width:min(1180px,94%);margin:0 auto;padding:24px 0 36px}
.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;gap:18px}
.card{
    background:rgba(255,255,255,.96);
    border:1px solid rgba(223,231,241,.9);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:22px;
}
.card.compact{max-width:480px;width:100%}
.card-title{margin:0 0 10px;font-size:1.35rem;color:#0c2742}
.card-subtitle{margin:0;color:var(--muted)}
.topbar{
    width:min(1180px,94%);
    margin:18px auto 0;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:18px;
    background:rgba(255,255,255,.88);
    border:1px solid rgba(223,231,241,.9);
    border-radius:22px;
    padding:14px 18px;
    box-shadow:0 12px 30px rgba(15,76,129,.09);
}
.brand-block{display:flex;align-items:center;gap:16px;min-width:0}
.logos-row{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:18px}
.logos-row img{width:84px;height:84px;object-fit:contain;border-radius:14px;background:#fff;border:1px solid var(--border);padding:6px}
.logos-small{margin:0;gap:8px;flex-shrink:0}
.logos-small img{width:42px;height:42px;border-radius:10px;padding:3px}
.institution-text{display:flex;flex-direction:column;gap:2px;line-height:1.18;min-width:0}
.institution-text strong{font-size:.92rem;color:#0c2742;letter-spacing:.02em}
.institution-text span{font-size:.8rem;color:var(--muted)}
.institution-text b{font-size:.9rem;color:var(--primary)}
.session-chip{
    display:flex;flex-direction:column;align-items:flex-end;gap:2px;
    background:var(--soft);border:1px solid #d4e6fb;border-radius:16px;padding:10px 12px;min-width:190px
}
.session-chip span{font-weight:700;color:#0c2742}
.session-chip small{color:var(--muted)}
.session-chip em{font-style:normal;color:var(--accent);font-size:.78rem;text-align:right;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.auth-brand{text-align:center;margin-bottom:20px}
.auth-brand h1{font-size:1.55rem;line-height:1.12;margin:8px 0;color:#0c2742;text-transform:uppercase}
.auth-brand p{margin:0;color:var(--muted)}
.form-grid{display:grid;gap:14px}
.form-row{display:grid;gap:7px}
label{font-weight:700;color:#24324a}
input,select,textarea{
    width:100%;padding:12px 13px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text);font:inherit;outline:none;
}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--primary-2);box-shadow:0 0 0 4px rgba(23,105,170,.12)}
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border:1px solid transparent;border-radius:13px;padding:11px 15px;font-weight:800;cursor:pointer;
    background:var(--primary);color:#fff;text-decoration:none;transition:.15s ease;
}
.btn:hover{filter:brightness(.96);transform:translateY(-1px);text-decoration:none}
.btn:disabled{opacity:.65;cursor:not-allowed;transform:none}
.btn-secondary{background:#334155}
.btn-success{background:var(--accent)}
.btn-danger{background:var(--danger)}
.btn-warning{background:var(--warning)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-light{background:#f8fafc;color:#172033;border-color:var(--border)}
.btn-block{width:100%}
.nav-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:18px 0}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.metric{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:0 10px 24px rgba(15,76,129,.07)}
.metric .value{font-size:2rem;font-weight:900;color:var(--primary);line-height:1}
.metric .label{color:var(--muted);font-weight:700;margin-top:8px}
.alert{border-radius:14px;padding:13px 15px;margin:12px 0;border:1px solid transparent}
.alert-ok{background:#e7f8ef;color:#116446;border-color:#b9e8cf}
.alert-error{background:#fdecea;color:#8f1d14;border-color:#f6c4bd}
.alert-info{background:#eef6ff;color:#0e4a7a;border-color:#cce4ff}
.alert-warning{background:#fff7e6;color:#8a5b00;border-color:#ffe0a3}
.table-wrap{width:100%;overflow:auto;border-radius:16px;border:1px solid var(--border);background:#fff}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:12px 13px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
th{background:#f8fbff;font-size:.86rem;color:#30435f;text-transform:uppercase;letter-spacing:.02em}
tr:last-child td{border-bottom:none}
.badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:.78rem;font-weight:800;border:1px solid transparent}
.badge-ok{background:#e7f8ef;color:#0f6a49;border-color:#bdeccf}
.badge-info{background:#edf6ff;color:#0f4c81;border-color:#c9e5ff}
.badge-warn{background:#fff6df;color:#8a5b00;border-color:#ffdf9b}
.badge-danger{background:#fdebea;color:#9f1d14;border-color:#f5beba}
.badge-muted{background:#f1f5f9;color:#475569;border-color:#dbe3eb}
.muted{color:var(--muted)}
.small{font-size:.84rem}.tiny{font-size:.76rem}
.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin:0 0 14px}
.section-title h2{margin:0;font-size:1.35rem;color:#0c2742}
.section-title p{margin:4px 0 0;color:var(--muted)}
.app-footer{text-align:center;color:var(--muted);padding:22px 0 30px;font-size:.9rem;display:grid;gap:3px;width:100%}.app-footer strong{color:#334155;letter-spacing:.02em}
.qr-box{text-align:center;background:#fff;border:1px dashed #b7c9dd;border-radius:18px;padding:18px}
.qr-box svg{max-width:260px;width:100%;height:auto;shape-rendering:crispEdges}
.search-result{display:grid;gap:12px}
.kv{display:grid;grid-template-columns:190px 1fr;gap:8px;align-items:center}
.kv strong{color:#29394f}
@media(max-width:850px){
    .topbar{flex-direction:column;align-items:stretch}.brand-block{justify-content:center;text-align:center}.institution-text{align-items:center}.session-chip{align-items:center;min-width:0}.session-chip em{white-space:normal;text-align:center}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section-title{flex-direction:column;align-items:flex-start}.kv{grid-template-columns:1fr}.page{width:94%}.logos-row img{width:64px;height:64px}.logos-small img{width:38px;height:38px}}
@media(max-width:520px){
    .card{padding:16px;border-radius:16px}.auth-page{padding:14px}.nav-actions .btn{width:100%}.topbar{margin-top:10px;border-radius:16px}.brand-block{flex-direction:column}.logos-small{flex-direction:row}.logos-small img{width:36px;height:36px}table{min-width:680px}th,td{padding:10px}.metric .value{font-size:1.6rem}}

/* =========================================================
   Parche visual de navegación V2
   Botones internos para evitar depender del botón del navegador
   ========================================================= */
.app-nav{
    width:min(1180px,94%);
    margin:10px auto 0;
    background:rgba(255,255,255,.96);
    border:1px solid rgba(223,231,241,.95);
    border-radius:16px;
    box-shadow:0 12px 32px rgba(15,76,129,.10);
    padding:10px;
    display:grid;
    grid-template-columns:auto 1fr auto;
    gap:10px;
    align-items:center;
    position:sticky;
    top:8px;
    z-index:30;
    backdrop-filter:blur(10px);
}
.nav-browser-actions,.nav-menu,.nav-session-actions{
    display:flex;
    align-items:center;
    gap:7px;
    flex-wrap:wrap;
}
.nav-menu{justify-content:center}
.nav-session-actions{justify-content:flex-end}
.nav-icon,.nav-link{
    appearance:none;
    border:1px solid #dbe7f3;
    background:#f8fbff;
    color:#17324f;
    padding:8px 11px;
    border-radius:12px;
    font-size:.86rem;
    font-weight:800;
    line-height:1;
    cursor:pointer;
    text-decoration:none;
    min-height:36px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
    white-space:nowrap;
}
.nav-icon:hover,.nav-link:hover{
    text-decoration:none;
    transform:translateY(-1px);
    background:#eef6ff;
    border-color:#bcd6ee;
    box-shadow:0 8px 20px rgba(15,76,129,.10);
}
.nav-icon.active,.nav-link.active{
    background:linear-gradient(135deg,var(--primary),var(--primary-2));
    color:#fff;
    border-color:transparent;
    box-shadow:0 10px 24px rgba(15,76,129,.22);
}
.nav-exit{
    background:#fff5f3;
    color:#a52a20;
    border-color:#ffd1cc;
}
.nav-exit:hover{
    background:#fdebea;
    border-color:#f4aaa2;
}
@media(max-width:1050px){
    .app-nav{grid-template-columns:1fr;position:relative;top:auto}
    .nav-browser-actions,.nav-menu,.nav-session-actions{justify-content:center}
}
@media(max-width:620px){
    .app-nav{width:94%;padding:9px;border-radius:15px;gap:8px}
    .nav-browser-actions,.nav-menu,.nav-session-actions{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:7px}
    .nav-menu{grid-template-columns:1fr}
    .nav-session-actions{grid-template-columns:1fr}
    .nav-icon,.nav-link{width:100%;min-height:40px;font-size:.84rem;padding:9px 10px}
}