* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, -apple-system, sans-serif;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  min-height: 100vh;
}

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: #ffffff;
  width: 100%;
  max-width: 400px;
  padding: 40px 32px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.login-brand-icon {
  font-size: 28px;
}

.login-brand h1 {
  font-size: 22px;
  color: #0f172a;
  margin: 0;
}

.login-subtitle {
  color: #64748b;
  font-size: 14px;
  margin: 4px 0 28px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 15px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #475569;
  margin-bottom: 24px;
  cursor: pointer;
  user-select: none;
}

.checkbox-field input {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  padding: 13px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-submit:hover:not(:disabled) {
  background: #1d4ed8;
}

.btn-submit:disabled {
  background: #93c5fd;
  cursor: not-allowed;
}

.success-msg {
  display: none;
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 18px;
}

.error-msg {
  display: none;
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 18px;
}

/* ---------- Etapa 2: escolha de empresa ---------- */

.empresa-lista {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.empresa-opcao {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.empresa-opcao:hover {
  border-color: #93c5fd;
  background: #f8fafc;
}

.empresa-opcao input[type="radio"] {
  width: 17px;
  height: 17px;
  cursor: pointer;
  accent-color: #2563eb;
  flex-shrink: 0;
}

.empresa-opcao:has(input:checked) {
  border-color: #2563eb;
  background: #eff6ff;
}

.empresa-opcao-nome {
  font-size: 14.5px;
  font-weight: 600;
  color: #0f172a;
}

.btn-link-voltar {
  display: block;
  width: 100%;
  text-align: center;
  background: none;
  border: none;
  color: #64748b;
  font-size: 13px;
  margin-top: 16px;
  cursor: pointer;
  padding: 6px;
}

.btn-link-voltar:hover {
  color: #334155;
  text-decoration: underline;
}