:root{--cor:#1f4e79;--cor2:#163a5a;--fundo:#f3f5f8;--cartao:#fff;--txt:#1b2733;--borda:#d5dbe3;
--p:#1e8e3e;--f:#c62828;--j:#1a62c9}
@media (prefers-color-scheme:dark){:root{--fundo:#12171d;--cartao:#1b232c;--txt:#e6ebf0;--borda:#2e3a46;--cor:#4f8fd0}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.4 system-ui,Segoe UI,Arial,sans-serif;background:var(--fundo);color:var(--txt)}
.topo{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 16px;background:var(--cor2);color:#fff}
.marca{color:#fff;text-decoration:none;font-weight:700}.marca small{font-weight:400;opacity:.8;margin-left:6px}
.sair{display:flex;align-items:center;gap:10px;margin:0}.quem{font-size:14px;opacity:.9}
.miolo{max-width:760px;margin:0 auto;padding:16px 16px 120px}
h1{font-size:22px;margin:8px 0}.sub{margin:0 0 12px;opacity:.8}
a{color:var(--cor)}
.cartao{background:var(--cartao);border:1px solid var(--borda);border-radius:10px;padding:20px}
.estreito{max-width:380px;margin:24px auto}
label{display:block;font-size:14px;margin:10px 0}
input[type=text],input[type=password],input[type=date],input[type=number]{display:block;width:100%;margin-top:4px;padding:10px;
font-size:16px;border:1px solid var(--borda);border-radius:8px;background:var(--cartao);color:var(--txt)}
.btn{display:inline-block;padding:10px 16px;border:0;border-radius:8px;font-size:16px;cursor:pointer;text-decoration:none}
.btn-principal{background:var(--cor);color:#fff;width:100%}.btn-claro{background:#e6ebf1;color:#1b2733;width:auto}
.dica{font-size:13px;opacity:.75}
.aviso{padding:10px 12px;border-radius:8px;margin:10px 0}.aviso-erro{background:#fdecea;color:#7a1c14}.aviso-ok{background:#e6f4ea;color:#14532d}
.lista{list-style:none;padding:0;margin:0}
.item{display:block;background:var(--cartao);border:1px solid var(--borda);border-radius:10px;padding:14px;margin:8px 0;text-decoration:none;color:var(--txt)}
.item strong,.item span,.item em{display:block}.item em{opacity:.7;font-size:14px}
.barra{display:grid;grid-template-columns:1fr 110px;gap:8px 12px}.barra .larga{grid-column:1/-1}
.resumo{margin:10px 0;font-size:14px;opacity:.85}
.acoes{margin:6px 0}
.alunos{list-style:none;padding:0;margin:8px 0}
.aluno{display:flex;align-items:center;gap:10px;background:var(--cartao);border:1px solid var(--borda);border-left:6px solid var(--p);border-radius:10px;padding:8px 10px;margin:6px 0}
.aluno.s-F{border-left-color:var(--f)}.aluno.s-J{border-left-color:var(--j)}
.num{min-width:26px;text-align:right;opacity:.6;font-size:14px}.nome{flex:1}.cat{display:block;font-size:12px;color:var(--p)}
.botoes{display:flex;gap:6px}
.b{width:46px;height:46px;border-radius:10px;border:2px solid var(--borda);background:transparent;color:var(--txt);font-size:18px;font-weight:700;cursor:pointer}
.s-P .b-p{background:var(--p);border-color:var(--p);color:#fff}
.s-F .b-f{background:var(--f);border-color:var(--f);color:#fff}
.s-J .b-j{background:var(--j);border-color:var(--j);color:#fff}
.rodape-fixo{position:fixed;left:0;right:0;bottom:0;display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--cartao);border-top:1px solid var(--borda)}
.rodape-fixo .btn{width:auto;min-width:180px}#status{font-size:14px}
.rodape{text-align:center;font-size:12px;opacity:.6;padding:12px}