/* ==========================================================================
   Estilos base do app de login.
   O <body> recebe uma classe version-* (latest | stable | beta) após o login,
   que troca o background color para diferenciar visualmente cada versão.
   ========================================================================== */

:root {
  --bg-default: #1e293b;   /* pré-login (neutro) */
  --bg-latest:  #6d28d9;   /* roxo   */
  --bg-stable:  #047857;   /* verde  */
  --bg-beta:    #b45309;   /* âmbar  */
  --card-bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --error: #dc2626;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-default);
  transition: background-color 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

/* Backgrounds por versão (aplicados via JS ao <body>) */
body.version-latest { background: var(--bg-latest); }
body.version-stable { background: var(--bg-stable); }
body.version-beta   { background: var(--bg-beta); }

.view {
  width: 100%;
  max-width: 380px;
}

.card {
  background: var(--card-bg);
  color: var(--text);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.title {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.subtitle {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.field {
  display: block;
  margin-bottom: 1rem;
}

.field span {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.field input:focus {
  border-color: var(--primary);
}

.btn {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn:hover { background: var(--primary-hover); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: #e2e8f0;
  color: var(--text);
  margin-top: 1rem;
}
.btn-secondary:hover { background: #cbd5e1; }

.error {
  margin: 1rem 0 0;
  color: var(--error);
  font-size: 0.85rem;
  text-align: center;
}

/* Tela pós-login */
.home-card { text-align: center; }

.badge {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 1rem;
}
.badge.version-latest { background: var(--bg-latest); }
.badge.version-stable { background: var(--bg-stable); }
.badge.version-beta   { background: var(--bg-beta); }

.details {
  text-align: left;
  margin: 1.5rem 0 0;
  border-top: 1px solid #e2e8f0;
  padding-top: 1rem;
}
.details > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0;
}
.details dt { color: var(--muted); font-size: 0.85rem; margin: 0; }
.details dd { margin: 0; font-size: 0.85rem; font-weight: 600; text-align: right; }
