/* Telas de entrada, troca de senha e administração (visual das telas de entrada do Chat Interno). */
:root {
  --surface: #ffffff; --surface-2: #f3f4f8; --text: #1d2330; --muted: #5f6577; --border: #dfe1ea;
  --primary: #5b5fc7; --primary-soft: #e8e9fa; --danger: #b42318; --danger-soft: #fdecea;
  --shadow: 0 10px 30px rgba(20, 20, 60, .18);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface: #1f2230; --surface-2: #272b3b; --text: #e8eaf2; --muted: #a2a8ba; --border: #343a4f;
    --primary: #8b8ff0; --primary-soft: #2e3150; --danger: #ff8a80; --danger-soft: #3a2224;
  }
}
:root[data-theme="dark"] {
  --surface: #1f2230; --surface-2: #272b3b; --text: #e8eaf2; --muted: #a2a8ba; --border: #343a4f;
  --primary: #8b8ff0; --primary-soft: #2e3150; --danger: #ff8a80; --danger-soft: #3a2224;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; color: var(--text); background: var(--surface-2);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-page { background: linear-gradient(135deg, #464775 0%, #5b5fc7 55%, #8b8cc7 100%); }
.card { background: var(--surface); border-radius: 14px; padding: 28px; box-shadow: var(--shadow); width: 100%; }
.card.narrow { max-width: 400px; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.brand .logo { width: 40px; height: 40px; border-radius: 10px; background: var(--primary); color: #fff; display: grid; place-items: center; }
.brand strong { font-size: 18px; display: block; }
.brand small { color: var(--muted); }
h2 { margin: 0 0 14px; font-size: 20px; }
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-weight: 600; margin-bottom: 6px; }
input[type=text], input[type=password], input:not([type]), select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text); font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.senha { position: relative; display: flex; }
.senha input { padding-right: 42px; }
.senha button {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%); display: grid; place-items: center;
  border: none; background: transparent; cursor: pointer; padding: 6px; color: var(--muted); border-radius: 6px;
}
.senha button:hover { color: var(--text); background: var(--surface-2); }
.check { display: flex; gap: 8px; align-items: center; margin: 4px 0 16px; cursor: pointer; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); border-radius: 8px; padding: 9px 14px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.small { padding: 4px 10px; font-weight: 500; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: default; }
.full { width: 100%; }
.error { background: var(--danger-soft); color: var(--danger); padding: 10px 12px; border-radius: 8px; margin-bottom: 14px; }
.notice { background: var(--primary-soft); padding: 10px 12px; border-radius: 8px; margin-bottom: 14px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
[hidden] { display: none !important; }

/* Administração */
.admin { max-width: 980px; margin: 0 auto; padding: 20px 16px 40px; }
.admin header { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.admin header h1 { font-size: 20px; margin: 0; }
.admin section { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.admin h2 { font-size: 16px; }
.tabela { width: 100%; border-collapse: collapse; font-size: 13px; }
.tabela th, .tabela td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tabela th { color: var(--muted); font-weight: 600; }
.tabela-wrap { overflow-x: auto; }
.form-linha { display: grid; grid-template-columns: 1fr 1fr 140px auto; gap: 8px; align-items: end; }
.form-linha .field { margin: 0; }
.senha-temp { font-family: Consolas, "Cascadia Mono", monospace; font-size: 18px; letter-spacing: 1px;
  background: var(--surface-2); border: 1px dashed var(--border); padding: 10px 14px; border-radius: 8px; user-select: all; }
.inativo td { opacity: .55; }
@media (max-width: 700px) { .form-linha { grid-template-columns: 1fr; } }