:root{--bg:#f3f6fa;--surface:#fff;--ink:#12263f;--muted:#5b6b80;--line:#d9e1ec;--navy:#0B2A4A;--sky:#2E86DE;--ok:#1b7f4b;--bad:#b3261e;--okbg:#e3f4ea;--badbg:#fbe7e5;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root{--bg:#0c1624;--surface:#13233a;--ink:#e6edf7;--muted:#9fb0c6;--line:#27405e;--navy:#081a2f;--sky:#5aa5f0;--ok:#5fd394;--bad:#ff8f87;--okbg:#12342a;--badbg:#3d1c1a}}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.5}
header{background:var(--navy);color:#fff;display:flex;align-items:center;gap:14px;padding:10px 20px;flex-wrap:wrap}
header h1{font-size:1.1rem;margin:0}header p{margin:0;font-size:.85rem;color:#b9cbe3}
.estado{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:.9rem}
.dot{width:11px;height:11px;border-radius:50%;background:#43d17f}.dot.off{background:#f0a070}
button{font:inherit;cursor:pointer;border:1px solid var(--sky);background:var(--sky);color:#fff;border-radius:6px;padding:8px 14px;font-weight:700}
button.ghost{background:transparent;color:var(--sky)}header button.ghost{color:#fff;border-color:#8fb6e6}
button.del{background:transparent;color:var(--bad);border-color:var(--line);padding:4px 10px;margin-right:4px}
button.sec{background:transparent;color:var(--sky);border-color:var(--line);padding:4px 10px;margin-right:4px}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
nav{display:flex;gap:4px;padding:10px 20px 0;border-bottom:1px solid var(--line);background:var(--surface);overflow-x:auto}
nav button{background:transparent;color:var(--muted);border:0;border-bottom:3px solid transparent;border-radius:0;padding:10px 14px;white-space:nowrap}
nav button[aria-current="page"]{color:var(--ink);border-bottom-color:var(--sky)}
main{max-width:980px;margin:0 auto;padding:20px}
h2{font-size:1.3rem;margin:0 0 12px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:18px}
form{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;align-items:end}
label{display:flex;flex-direction:column;font-size:.85rem;color:var(--muted);gap:4px}
input,select{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink)}
.tabla{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-size:.85rem}
.pill{padding:2px 10px;border-radius:99px;font-size:.82rem;font-weight:700}
.pill.ok{background:var(--okbg);color:var(--ok)}.pill.bad{background:var(--badbg);color:var(--bad)}
.suave{color:var(--muted)}.vacio{color:var(--muted);padding:12px 4px}
.msg{min-height:1.4em;font-weight:700;margin:0 0 10px}.msg.ok{color:var(--ok)}.msg.error{color:var(--bad)}
.stats{display:flex;gap:28px;flex-wrap:wrap}.stats b{display:block;font-size:1.8rem;color:var(--sky)}
footer{text-align:center;color:var(--muted);font-size:.8rem;padding:10px 20px 26px}
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--navy)}
.tarjeta{display:flex;flex-direction:column;gap:12px;background:var(--surface);padding:28px;border-radius:10px;width:min(380px,100%);align-items:stretch;text-align:center}
.tarjeta img{align-self:center}.tarjeta h1{font-size:1.2rem;margin:0}.tarjeta p{margin:0}.tarjeta label{text-align:left}.pie{font-size:.8rem}
@media print{header,nav,button,#pFormAlumno,.msg{display:none!important}body{background:#fff}}
.col{display:flex;flex-direction:column;gap:12px;text-align:left}
.enlace{background:transparent;border:0;color:var(--sky);text-decoration:underline;font-weight:400;padding:4px}
.fila{display:flex;gap:6px}.fila input{flex:1;min-width:0}
.barra{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.pill.suave{background:var(--bg);color:var(--muted)}
.pill.aviso{background:#fff3d6;color:#7a4b00}
@media (prefers-color-scheme:dark){.pill.aviso{background:#4a3a12;color:#ffd98a}}
.dot.mini{display:inline-block;width:9px;height:9px;margin-right:6px;background:#43d17f}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.grid2 .panel{margin-bottom:0}.grid2+.grid2,.panel+.grid2,.grid2+.panel{margin-top:18px}
h3{font-size:1rem;margin:0 0 10px}
.barra-d{display:inline-block;height:10px;border-radius:4px;background:var(--sky);vertical-align:middle;margin-right:6px}
.barra-d.mal{background:var(--bad)}

pre.log{margin:0;max-height:480px;overflow:auto;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:10px;font:12.5px/1.5 ui-monospace,Consolas,monospace;white-space:pre-wrap;word-break:break-word}
pre.log .error{color:var(--bad)}pre.log .aviso{color:#b4731a}pre.log .f{color:var(--muted)}
@media (prefers-color-scheme:dark){pre.log .aviso{color:#f0c070}}
.res{padding:10px 12px;border-radius:6px;margin-top:6px}.res.ok{background:var(--okbg);color:var(--ok)}.res.mal{background:var(--badbg);color:var(--bad)}.res small{display:block;color:var(--muted);margin-top:4px;word-break:break-word}
.fila{flex-direction:row;align-items:center}label.fila{color:var(--ink)}

button:disabled{opacity:.45;cursor:not-allowed}

.banner{background:#fff3d6;color:#7a4b00;padding:8px 20px;font-size:.92rem;text-align:center;border-bottom:1px solid #e6cf99}
@media (prefers-color-scheme:dark){.banner{background:#4a3a12;color:#ffd98a;border-color:#6b5420}}