/* Painel Central — identidade Ariel Ribeiro · Desenvolvimento de Sistemas.
   Índigo (principal) + turquesa (destaque) sobre azul-noite; marca em
   /marca.svg, papel de parede em /fundo.svg. */
:root {
  --fundo: #F3F5FB; --cartao: #FFFFFF; --texto: #1E2340; --suave: #646B8A; --linha: #E3E6F2;
  --principal: #4F46E5; --principal-escuro: #4338CA; --destaque: #0D9488;
  --perigo: #DC2626; --alerta: #B45309; --ok: #047857;
  --noite: #12133A;
  --degrade: linear-gradient(135deg, #4F46E5 0%, #4338CA 45%, #0D9488 100%);
  --sombra: 0 1px 2px rgba(20, 24, 70, .06), 0 10px 28px -12px rgba(20, 24, 70, .18);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #0C1022; --cartao: #151A33; --texto: #E6E8F5; --suave: #9AA1C2; --linha: #262C4A;
    --principal: #818CF8; --principal-escuro: #A5B4FC; --destaque: #2DD4BF;
    --perigo: #F87171; --alerta: #FBBF24; --ok: #34D399;
    --sombra: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 30px -14px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
/* `display` de uma classe anula o atributo hidden: o cabeçalho aparecia na tela de entrada. */
[hidden] { display: none !important; }
html { min-height: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  color: var(--texto); font: 15px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  /* Um respiro de cor no topo da página, que some no fundo claro. */
  background:
    radial-gradient(1200px 380px at 15% -120px, color-mix(in srgb, var(--principal) 14%, transparent), transparent 70%),
    radial-gradient(900px 320px at 95% -80px, color-mix(in srgb, var(--destaque) 12%, transparent), transparent 70%),
    var(--fundo);
}
a { color: var(--principal-escuro); }
h1 { font-size: 24px; margin: 0 0 18px; letter-spacing: -.3px; }
h2 { font-size: 16px; margin: 26px 0 10px; letter-spacing: -.1px; }
main { width: 100%; max-width: 1080px; margin: 0 auto; padding: 26px 16px 48px; flex: 1; }

/* ---------- cabeçalho: faixa com o papel de parede ---------- */
.topo {
  position: sticky; top: 0; z-index: 5;
  display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between;
  padding: 10px max(16px, calc((100% - 1080px) / 2 + 16px));
  background: var(--noite) url(/fundo.svg) center 38% / cover;
  box-shadow: 0 6px 24px -10px rgba(10, 12, 40, .55);
  color: #fff;
}
.marca { display: flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; }
.marca img { display: block; border-radius: 10px; box-shadow: 0 4px 14px -4px rgba(20, 184, 166, .6); }
.marca strong { display: block; font-size: 16px; line-height: 1.15; }
.marca small { display: block; font-size: 12px; color: #A5B4FC; letter-spacing: .3px; }
.topo nav { display: flex; gap: 6px; align-items: center; }
.topo nav a, .topo nav .link {
  color: #E0E7FF; text-decoration: none; font-weight: 500; font-size: 14px;
  padding: 6px 12px; border-radius: 99px; transition: background .15s;
}
.topo nav a:hover, .topo nav .link:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.topo nav a.ativo { background: rgba(255, 255, 255, .16); color: #fff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18); }

/* ---------- blocos ---------- */
.cartao {
  background: var(--cartao); border: 1px solid var(--linha); border-radius: 14px; padding: 18px;
  box-shadow: var(--sombra);
}
.grade { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
/* Cartão de escola: fio de cor da marca no topo. */
.grade > [data-escola] { position: relative; overflow: hidden; padding-top: 21px; }
.grade > [data-escola]::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--degrade);
}
.linha { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
/* Título da página com botão ao lado: o h1 perde a margem e a linha a assume. */
.linha.entre:has(> h1) { margin-bottom: 18px; }
.linha.entre > h1 { margin: 0; }
.entre { justify-content: space-between; }
.suave { color: var(--suave); font-size: 13px; }
.numeros { display: flex; gap: 20px; flex-wrap: wrap; margin: 12px 0; }
.numeros div { font-size: 12.5px; color: var(--suave); }
.numeros b { display: block; font-size: 21px; color: var(--principal-escuro); font-variant-numeric: tabular-nums; line-height: 1.25; }

.selo { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.selo.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 13%, transparent); }
.selo.alerta { color: var(--alerta); background: color-mix(in srgb, var(--alerta) 14%, transparent); }
.selo.perigo { color: var(--perigo); background: color-mix(in srgb, var(--perigo) 12%, transparent); }
.selo.neutro { color: var(--suave); background: color-mix(in srgb, var(--suave) 12%, transparent); }

/* ---------- botões ---------- */
button, .botao {
  font: inherit; font-weight: 600; font-size: 14px; border-radius: 10px; padding: 8px 16px; cursor: pointer;
  border: 0; color: #fff; background: var(--degrade); text-decoration: none; display: inline-block;
  box-shadow: 0 6px 16px -8px color-mix(in srgb, var(--principal) 80%, transparent);
  transition: transform .12s, box-shadow .12s, filter .12s;
}
button:hover, .botao:hover { filter: brightness(1.06); transform: translateY(-1px); }
button:active, .botao:active { transform: none; }
button.sec {
  background: color-mix(in srgb, var(--principal) 9%, var(--cartao)); color: var(--principal-escuro);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--principal) 28%, transparent);
}
button.perigo {
  background: transparent; color: var(--perigo);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--perigo) 55%, transparent);
}
button.link { background: none; box-shadow: none; padding: 0; color: var(--principal-escuro); font-weight: 600; }
button.link:hover { transform: none; text-decoration: underline; }
button:disabled { opacity: .55; cursor: wait; transform: none; }

/* ---------- formulários ---------- */
form .campos { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
label { display: block; font-size: 13px; font-weight: 500; color: var(--suave); }
input, select {
  display: block; width: 100%; margin-top: 4px; font: inherit; color: var(--texto);
  background: var(--cartao); border: 1px solid var(--linha); border-radius: 10px; padding: 8px 11px;
  transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus {
  outline: none; border-color: var(--principal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--principal) 22%, transparent);
}
input::placeholder { color: var(--suave); opacity: .55; }
.dica { font-size: 12px; color: var(--suave); margin-top: 4px; }
.erro {
  color: var(--perigo); background: color-mix(in srgb, var(--perigo) 9%, var(--cartao));
  border: 1px solid color-mix(in srgb, var(--perigo) 30%, transparent);
  border-radius: 12px; padding: 11px 14px; margin: 12px 0;
}

/* ---------- tabelas ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--linha); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
th { font-size: 11.5px; color: var(--suave); font-weight: 700; text-transform: uppercase; letter-spacing: .6px; }
tbody tr:hover td, tr:hover td { background: color-mix(in srgb, var(--principal) 4%, transparent); }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.rolar { overflow-x: auto; }

/* ---------- entrada: tela cheia com o papel de parede ---------- */
body.entrando { background: var(--noite) url(/fundo.svg) center / cover fixed; }
body.entrando .assinatura { color: #C7D2FE; }
.entrada { max-width: 400px; margin: 9vh auto 0; }
.entrada .cartao {
  padding: 30px 28px 26px; border: 1px solid rgba(255, 255, 255, .18);
  background: color-mix(in srgb, var(--cartao) 92%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 70px -20px rgba(5, 8, 30, .7);
}
.entrada .cabeca { text-align: center; margin-bottom: 22px; }
.entrada .cabeca img { width: 64px; height: 64px; filter: drop-shadow(0 10px 18px rgba(20, 184, 166, .35)); }
.entrada .cabeca h1 { margin: 12px 0 2px; font-size: 22px; }
.entrada .cabeca p { margin: 0; color: var(--destaque); font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.entrada .cabeca p span { display: block; margin-bottom: 1px; color: var(--suave); font-size: 13.5px; font-weight: 600; letter-spacing: .2px; text-transform: none; }
.entrada form > * + * { margin-top: 14px; }
.entrada button[type=submit] { width: 100%; padding: 11px; font-size: 15px; }

.carregando { color: var(--suave); }
.centro { text-align: center; }
.codigos { list-style: none; padding: 0; margin: 10px 0 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.codigos li { font: 600 14px/1.2 ui-monospace, Consolas, monospace; letter-spacing: 1px; text-align: center;
  padding: 8px; border-radius: 8px; background: var(--fundo); border: 1px dashed var(--linha); }
code.link { word-break: break-all; font-size: 13px; background: var(--fundo); padding: 7px 9px;
  border-radius: 8px; display: block; margin: 6px 0; border: 1px dashed var(--linha); }

/* ---------- rodapé com a assinatura ---------- */
.assinatura {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 18px 16px 22px; font-size: 12px; color: var(--suave); letter-spacing: .2px;
}
.assinatura img { border-radius: 5px; }

#aviso { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); max-width: calc(100% - 32px);
  background: var(--noite); color: #fff; padding: 11px 18px; border-radius: 12px; font-size: 14px;
  box-shadow: 0 14px 30px -10px rgba(10, 12, 40, .6); border: 1px solid rgba(255, 255, 255, .12); }

@media (max-width: 560px) {
  .marca small { display: none; }
  .topo nav a, .topo nav .link { padding: 6px 9px; }
  h1 { font-size: 21px; }
}