/* PEI · capa visual premium compatible con Nodo Andino
   Sobria, institucional, sutil; evita estética infantil o colores saturados. */
:root{
    --pei-ink:#151923;
    --pei-ink-2:#243047;
    --pei-muted:#677084;
    --pei-bg:#f7f4ee;
    --pei-bg-2:#eee8dc;
    --pei-surface:rgba(255,255,255,.82);
    --pei-surface-solid:#fffdf8;
    --pei-line:rgba(21,25,35,.10);
    --pei-gold:#a8956a;
    --pei-gold-soft:#d9c48f;
    --pei-radius:24px;
    --pei-shadow:0 24px 70px rgba(21,25,35,.10);
    --azul:var(--pei-ink-2);
    --violeta:var(--pei-gold);
    --fondo:var(--pei-bg);
    --tinta:var(--pei-ink);
    --muted:var(--pei-muted);
    --card:var(--pei-surface-solid);
    --borde:var(--pei-line);
}
html{background:var(--pei-bg);}
body{
    font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
    background:
        radial-gradient(circle at 14% 10%, rgba(168,149,106,.14), transparent 34%),
        radial-gradient(circle at 88% 16%, rgba(21,25,35,.07), transparent 32%),
        linear-gradient(180deg,var(--pei-bg),var(--pei-bg-2));
    color:var(--pei-ink);
    letter-spacing:-.012em;
}
a{color:var(--pei-ink-2)}
.top{
    min-height:68px;
    padding:12px clamp(18px,4vw,52px);
    background:rgba(247,244,238,.78);
    border-bottom:1px solid rgba(21,25,35,.08);
    box-shadow:none;
    backdrop-filter:saturate(150%) blur(18px);
}
.brand{gap:12px;font-weight:720;letter-spacing:-.02em;}
.brand span{
    width:44px;height:44px;border-radius:14px;
    background-image:url('pei-mark.svg');
    background-size:cover;background-position:center;
    color:transparent;font-size:0;box-shadow:0 12px 28px rgba(21,25,35,.14);
}
.brand small{font-size:.82rem;color:var(--pei-muted);font-weight:560;letter-spacing:-.01em;}
.top nav{align-items:center;gap:8px;}
.top nav a,.btn,.theme-toggle{
    border:1px solid rgba(21,25,35,.10);
    border-radius:999px;
    background:#151923;
    color:#f7f4ee;
    padding:10px 16px;
    font-size:.9rem;
    font-weight:650;
    box-shadow:none;
    transition:transform .18s ease, background .18s ease, border-color .18s ease;
}
.top nav a:hover,.btn:hover,.theme-toggle:hover{transform:translateY(-1px);background:#243047;}
.top nav a:first-child,.secondary,.theme-toggle{
    background:rgba(255,255,255,.62)!important;
    color:#151923!important;
    border-color:rgba(21,25,35,.12)!important;
}
.wrap{width:min(1160px,calc(100% - 32px));padding:34px 0 70px;}
.hero{
    position:relative;overflow:hidden;
    display:grid;grid-template-columns:1.08fr .92fr;gap:32px;
    align-items:start;
    padding:clamp(28px,5vw,56px);
    border:1px solid rgba(21,25,35,.08);
    border-radius:34px;
    background:linear-gradient(135deg,rgba(255,255,255,.86),rgba(247,244,238,.72));
    box-shadow:var(--pei-shadow);
}
.hero:before{
    content:"";position:absolute;right:-120px;top:-110px;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle,rgba(168,149,106,.18),transparent 67%);pointer-events:none;
}
.hero > *{position:relative;z-index:1;}
.badge{
    display:inline-flex;align-items:center;gap:8px;
    border:1px solid rgba(168,149,106,.28);
    border-radius:999px;
    padding:8px 12px;
    background:rgba(255,255,255,.48);
    color:#4f5870;
    font-size:.78rem;font-weight:680;letter-spacing:.02em;text-transform:uppercase;
}
h1{
    max-width:740px;
    margin:18px 0 16px;
    font-size:clamp(2.2rem,5vw,4.45rem);
    line-height:.98;
    letter-spacing:-.065em;
    font-weight:720;
    color:#151923;
}
h2{font-size:clamp(1.45rem,2.4vw,2.4rem);letter-spacing:-.04em;font-weight:710;color:#151923;}
h3{letter-spacing:-.025em;font-weight:700;color:#151923;}
.lead{font-size:clamp(1rem,1.8vw,1.22rem);line-height:1.62;color:#5e687b;max-width:680px;}
.actions{margin:22px 0 20px;}
.panel,.card,.metric{
    background:rgba(255,255,255,.74);
    border:1px solid rgba(21,25,35,.09);
    border-radius:24px;
    box-shadow:0 18px 48px rgba(21,25,35,.08);
}
.card{padding:20px;}
.grid{gap:14px;}
.card p{color:#687286;line-height:1.55;}
.login{
    align-self:start;
    margin-top:4px;
    background:rgba(255,253,248,.86);
    backdrop-filter:blur(10px);
}
.field label{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:#5e687b;font-weight:760;}
input,select,textarea{
    border:1px solid rgba(21,25,35,.13);
    border-radius:15px;
    background:rgba(255,255,255,.86);
    color:#151923;
    padding:12px 14px;
    outline:none;
}
input:focus,select:focus,textarea:focus{border-color:rgba(168,149,106,.65);box-shadow:0 0 0 4px rgba(168,149,106,.13);}
.btn{background:#151923!important;color:#f7f4ee!important;}
.btn.secondary,.secondary{background:rgba(255,255,255,.65)!important;color:#151923!important;}
.dash-shell{gap:22px;}
.side{
    background:rgba(255,253,248,.82);
    border:1px solid rgba(21,25,35,.09);
    box-shadow:0 18px 54px rgba(21,25,35,.08);
}
.side:before{
    content:"";display:block;height:82px;margin:0 0 12px;border-radius:18px;
    background:url('pei-emblem-wide.svg') center/cover no-repeat;
}
.side-head{border-bottom:1px solid rgba(21,25,35,.08);padding-bottom:12px;margin-bottom:10px;}
.side-head strong{color:#151923;font-weight:720;letter-spacing:-.025em;}
.side-link{font-weight:660;color:#333c50;border-radius:14px;}
.side-link:hover{background:rgba(168,149,106,.10);border-color:rgba(168,149,106,.22)}
.side-link.active{background:#151923;color:#f7f4ee;box-shadow:none;}
.side-group{margin:7px 0;border:1px solid rgba(21,25,35,.08);border-radius:18px;background:rgba(255,255,255,.34);overflow:hidden;}
.side-group summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:9px;padding:11px 12px;font-weight:760;color:#151923;border-radius:18px;}
.side-group summary::-webkit-details-marker{display:none;}
.side-group summary:after{content:'▾';margin-left:auto;color:#8a7550;font-size:.85rem;transition:transform .18s ease;}
.side-group:not([open]) summary:after{transform:rotate(-90deg);}
.side-sub{padding:0 8px 9px;display:grid;gap:3px;}
.side-sub .side-link{font-size:.91rem;padding:9px 10px;border-radius:12px;margin:0;}
.side-sub .side-link span{opacity:.78;}
.dash-title h1{font-size:clamp(2rem,4vw,3.4rem);}
.table-wrap{width:100%;overflow-x:auto;}
.table th{background:#f1ece2;color:#333c50;border-color:rgba(21,25,35,.10);font-weight:760;}
.table td{border-color:rgba(21,25,35,.08);}
.compact-panel{padding:14px;}
.compact-table{font-size:.82rem;width:100%;}
.compact-table th{white-space:nowrap;padding:8px 8px;}
.compact-table td{padding:6px 6px;vertical-align:middle;}
.compact-table input,.compact-table select{width:100%;padding:7px 8px;border-radius:10px;font-size:.8rem;}
.students-compact th:nth-child(1){width:24%;}.students-compact th:nth-child(2){width:38%;}.students-compact th:nth-child(3){width:24%;}.students-compact th:nth-child(4){width:14%;}
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;align-items:center;}
.students-compact td:nth-child(3) .mini-grid{grid-template-columns:1fr 76px;}
.row-actions{min-width:120px;white-space:nowrap;}
.compact-btn{padding:7px 9px!important;font-size:.76rem!important;margin:2px;}
.danger-btn{border-color:#b91c1c!important;color:#b91c1c!important;}
.ok{background:#edf7ef;color:#1d5f36;border-color:#b9dfc2}.err{background:#fff0f1;color:#9d1734;border-color:#f2bcc7}
.foot{color:#777f8f;background:transparent;border-top:1px solid rgba(21,25,35,.08);}
.pei-hero-visual{display:none;}
@media(max-width:900px){
    .hero{grid-template-columns:1fr;padding:26px;border-radius:26px;}
    .wrap{width:min(100% - 20px,1160px);}
    .top{align-items:flex-start;flex-direction:column;}
    .top nav a,.theme-toggle{font-size:.82rem;padding:9px 12px;}
}
html[data-theme="dark"]{
    --pei-ink:#f3efe7;--pei-ink-2:#f7f4ee;--pei-muted:#c6bfaf;--pei-bg:#0f1117;--pei-bg-2:#171a23;--pei-surface:rgba(26,29,39,.82);--pei-surface-solid:#1a1d27;--pei-line:rgba(255,255,255,.12);--azul:#d9c48f;--violeta:#a8956a;--tinta:#f3efe7;--muted:#c6bfaf;--card:#1a1d27;--borde:rgba(255,255,255,.12);color-scheme:dark;
}
html[data-theme="dark"] body{background:radial-gradient(circle at 14% 10%,rgba(168,149,106,.16),transparent 34%),linear-gradient(180deg,#0f1117,#171a23);}
html[data-theme="dark"] .top,html[data-theme="dark"] .hero,html[data-theme="dark"] .panel,html[data-theme="dark"] .card,html[data-theme="dark"] .side,html[data-theme="dark"] .metric{background:rgba(26,29,39,.82);border-color:rgba(255,255,255,.12);box-shadow:0 24px 70px rgba(0,0,0,.32)}
html[data-theme="dark"] h1,html[data-theme="dark"] h2,html[data-theme="dark"] h3,html[data-theme="dark"] .side-head strong,html[data-theme="dark"] .side-group summary{color:#f7f4ee;}
html[data-theme="dark"] .lead,html[data-theme="dark"] .card p,html[data-theme="dark"] .manual-section p,html[data-theme="dark"] .manual-section li{color:#c6bfaf;}
html[data-theme="dark"] .badge,html[data-theme="dark"] .top nav a:first-child,html[data-theme="dark"] .secondary,html[data-theme="dark"] .theme-toggle{background:rgba(255,255,255,.07)!important;color:#f7f4ee!important;border-color:rgba(255,255,255,.14)!important;}
html[data-theme="dark"] .btn{background:#f7f4ee!important;color:#151923!important;}
html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:#10131b;color:#f7f4ee;border-color:rgba(255,255,255,.14)}
html[data-theme="dark"] .side-group{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.10)}
html[data-theme="dark"] .table th{background:#222734!important;color:#f7f4ee!important}html[data-theme="dark"] .table td{background:#171a23!important;color:#efe9dd!important;border-color:rgba(255,255,255,.10)!important}


.top-school-logo{width:44px;height:44px;border-radius:14px;object-fit:contain;background:rgba(255,255,255,.78);padding:5px;box-shadow:0 12px 28px rgba(21,25,35,.12)}
.side-school-logo{display:block;width:74px;height:74px;object-fit:contain;border-radius:18px;background:rgba(255,255,255,.72);padding:8px;margin:0 auto 10px;box-shadow:0 12px 28px rgba(21,25,35,.10);border:1px solid rgba(21,25,35,.08)}
.school-logo-preview{display:flex;align-items:center;gap:14px;margin:16px 0 10px;padding:12px 14px;border:1px solid rgba(21,25,35,.09);border-radius:18px;background:rgba(255,255,255,.46)}
.school-logo-preview span{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;font-weight:760;color:#5e687b}.school-logo-preview img{width:86px;height:86px;object-fit:contain;border-radius:16px;background:#fff;padding:8px;border:1px solid rgba(21,25,35,.08)}
.palette-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:12px 0 18px}.palette-option{display:grid;grid-template-columns:auto 1fr;gap:5px 10px;align-items:center;padding:13px;border:1px solid rgba(21,25,35,.10);border-radius:18px;background:rgba(255,255,255,.55);cursor:pointer}.palette-option input{grid-row:1/3;width:auto}.palette-option strong{font-size:.94rem}.palette-option small{grid-column:2;color:#687286;line-height:1.3}.palette-option:has(input:checked){border-color:var(--pei-gold);box-shadow:0 0 0 4px rgba(168,149,106,.13)}.palette-swatch{width:46px;height:26px;border-radius:999px;border:1px solid rgba(21,25,35,.10);box-shadow:inset 0 0 0 5px rgba(255,255,255,.42)}
.palette-arena .palette-swatch{background:linear-gradient(90deg,#f7f4ee,#d9c48f,#243047)}.palette-salvia .palette-swatch{background:linear-gradient(90deg,#f1f6ee,#c8d9b9,#24372f)}.palette-cielo .palette-swatch{background:linear-gradient(90deg,#eef6fa,#c5dfef,#20364a)}.palette-lavanda .palette-swatch{background:linear-gradient(90deg,#f4f0f8,#d7c9ea,#302946)}.palette-durazno .palette-swatch{background:linear-gradient(90deg,#fbf0e8,#ecc6ad,#442f29)}
html[data-palette="salvia"] .side-link.active,html[data-palette="salvia"] .btn{background:#24372f!important}html[data-palette="cielo"] .side-link.active,html[data-palette="cielo"] .btn{background:#20364a!important}html[data-palette="lavanda"] .side-link.active,html[data-palette="lavanda"] .btn{background:#302946!important}html[data-palette="durazno"] .side-link.active,html[data-palette="durazno"] .btn{background:#442f29!important}
html[data-theme="dark"] .top-school-logo,html[data-theme="dark"] .side-school-logo,html[data-theme="dark"] .school-logo-preview{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}