:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1f2937;
  --text-muted: #6b7280;
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --sem-comprovante-text: #991b1b;
  --cancelada-bg: #e5e7eb;
  --cancelada-text: #6b7280;

  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #14171c;
    --surface: #1d2128;
    --border: #2c313a;
    --text: #e5e7eb;
    --text-muted: #9aa1ac;
    --primary: #60a5fa;
    --primary-dark: #93c5fd;
    --sem-comprovante-text: #fca5a5;
    --cancelada-bg: #2c313a;
    --cancelada-text: #9aa1ac;
  }
}

:root[data-theme="light"] {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1f2937;
  --text-muted: #6b7280;
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --sem-comprovante-text: #991b1b;
  --cancelada-bg: #e5e7eb;
  --cancelada-text: #6b7280;
}
:root[data-theme="dark"] {
  --bg: #14171c;
  --surface: #1d2128;
  --border: #2c313a;
  --text: #e5e7eb;
  --text-muted: #9aa1ac;
  --primary: #60a5fa;
  --primary-dark: #93c5fd;
  --sem-comprovante-text: #fca5a5;
  --cancelada-bg: #2c313a;
  --cancelada-text: #9aa1ac;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.btn-secondary {
  flex: 0 0 auto;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-secondary:hover { background: var(--bg); }

/* Topbar */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.topbar-title h1 { font-size: 1.15rem; margin: 0; }
.topbar-sub { font-size: 0.8rem; color: var(--text-muted); }
.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-left: auto;
}
#usuarioInfo { white-space: nowrap; }
#btnTrocarSenha { width: 40px; padding: 8px 0; }
.theme-toggle {
  border-radius: 999px;
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

main { max-width: 1000px; margin: 0 auto; padding: 32px 20px; }

/* Login / troca de senha */
.login-screen[hidden] { display: none; }
.login-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 200;
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-box h1 { margin: 0; font-size: 1.2rem; }
.login-box label { font-size: 0.85rem; color: var(--text-muted); display: block; }
.login-box input, .login-box select {
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}
.login-erro { color: var(--sem-comprovante-text); font-size: 0.85rem; margin: 0; min-height: 1.1em; }
.login-box button[type="submit"] { padding: 12px; font-weight: 600; }
.login-box .form-acoes { display: flex; gap: 8px; }
.login-box .form-acoes button[type="submit"] { flex: 1; }

.senha-wrap { position: relative; display: block; }
.senha-wrap input { width: 100%; padding-right: 38px; }
.btn-olho {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 6px 8px;
  color: var(--text-muted);
  opacity: 0.6;
}
.btn-olho:hover { opacity: 1; }

/* Cards da pagina inicial */
.cards-titulo { font-size: 1.4rem; margin: 0 0 24px 0; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.card-sistema {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  font: inherit;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.card-sistema:hover { transform: translateY(-2px); border-color: var(--primary); }
.card-sistema .card-icone { font-size: 1.8rem; }
.card-sistema h3 { margin: 0; font-size: 1.05rem; }
.card-sistema p { margin: 0; font-size: 0.82rem; color: var(--text-muted); }
.card-sistema.card-indisponivel {
  cursor: default;
  opacity: 0.55;
}
.card-sistema.card-indisponivel:hover { transform: none; border-color: var(--border); }

/* Aba Usuarios (admin) */
.groups-title { font-size: 1rem; margin: 24px 0 10px 0; }
.groups-title:first-child { margin-top: 0; }
.form-pagamento {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}
.form-pagamento label { font-size: 0.85rem; color: var(--text-muted); }
.form-pagamento input, .form-pagamento select {
  display: block;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}
.form-acoes { display: flex; gap: 8px; }

.table-wrap { overflow-x: auto; margin-top: 4px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th, .data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}
.data-table thead th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-papel {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--cancelada-bg);
  color: var(--cancelada-text);
}
.badge-inativo { background: var(--cancelada-bg); color: var(--cancelada-text); }
.usuarios-acoes { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.usuarios-acoes button, .usuarios-acoes select, .usuarios-acoes label {
  font-size: 0.78rem;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
.usuarios-acoes label { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.senha-visivel {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  color: var(--text);
}
.empty-msg { color: var(--text-muted); font-size: 0.9rem; }