:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --primary: #1a2a6c;
  --primary-light: #263a8a;
  --accent: #ffb300;
  --danger: #d32f2f;
  --success: #2e7d32;
  --text: #222;
  --muted: #666;
  --border: #e0e0e0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Topbar ─────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.topbar .logo { font-weight: 700; font-size: 1.1rem; }
.topbar nav { display: flex; gap: 8px; flex-wrap: wrap; }
.topbar nav a {
  color: #fff;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.92rem;
  opacity: 0.9;
}
.topbar nav a:hover, .topbar nav a.active { background: rgba(255,255,255,.15); opacity: 1; }
.topbar .who { font-size: 0.85rem; opacity: 0.85; }

/* ── Conteúdo ───────────────────────────── */
main {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 20px 60px;
}
h1 { color: var(--primary); font-size: 1.6rem; margin-bottom: 6px; }
h2 { color: var(--primary); font-size: 1.15rem; margin: 24px 0 12px; }
.sub { color: var(--muted); margin-bottom: 24px; font-size: 0.95rem; }

/* ── Cards painel ───────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  padding: 22px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  text-decoration: none;
  color: var(--text);
  transition: transform .15s, box-shadow .15s;
  display: block;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(0,0,0,.1); }
.card h3 { color: var(--primary); font-size: 1rem; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 0.88rem; }

/* ── Formulários ────────────────────────── */
.form {
  background: var(--card);
  padding: 22px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  max-width: 520px;
  margin-bottom: 24px;
}
.form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }
.form input, .form select, .form textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 12px;
  font: inherit;
}
.form textarea { resize: vertical; min-height: 80px; }
.form button { margin-top: 4px; }

button, .btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: var(--primary-light); }
button.secondary { background: #e8eaf2; color: var(--primary); }
button.secondary:hover { background: #d5d9e8; }
button.danger { background: var(--danger); }
button.danger:hover { background: #b71c1c; }
button:disabled { opacity: .55; cursor: not-allowed; }

/* ── Tabelas ────────────────────────────── */
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.06); margin-bottom: 24px; }
th, td { padding: 10px 14px; text-align: left; font-size: 0.9rem; border-bottom: 1px solid var(--border); }
th { background: var(--primary); color: #fff; font-weight: 600; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8f9fb; }

/* ── Alert ──────────────────────────────── */
.alert { padding: 10px 14px; border-radius: 6px; margin: 0 0 16px; font-size: 0.9rem; display: none; }
.alert.show { display: block; }
.alert.error { background: #fdecea; color: var(--danger); }
.alert.success { background: #e7f6ec; color: var(--success); }
.alert.info { background: #e8f0fe; color: var(--primary); }

/* ── Login ──────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--card);
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0,0,0,.08);
  width: 100%;
  max-width: 380px;
}
.login-card h1 { text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; margin-bottom: 20px; }
.login-card .back { text-align: center; margin-top: 14px; font-size: 0.85rem; }
.login-card .back a { color: var(--primary); }

/* ── Home ───────────────────────────────── */
.hero { text-align: center; padding: 40px 20px; }
.hero h1 { font-size: 2rem; margin-bottom: 10px; }
.hero .sub { font-size: 1.05rem; }
.home-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.home-cards .card { text-align: center; padding: 30px; }
.home-cards .card .icon { font-size: 2.5rem; margin-bottom: 8px; }

/* ── footer ─────────────────────────────── */
footer {
  text-align: center;
  padding: 20px;
  color: var(--muted);
  font-size: 0.8rem;
}

/* ── utilitários ────────────────────────── */
.hidden { display: none !important; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.mt-8 { margin-top: 8px; }
.mb-16 { margin-bottom: 16px; }

@media (max-width: 520px) {
  .hero h1 { font-size: 1.5rem; }
  .topbar { padding: 10px 12px; }
  main { padding: 18px 12px 50px; }
}