*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f0f2f5;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-wrapper {
  width: 100%;
  max-width: 400px;
  padding: 1rem;
}

.login-box {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 16px rgba(0,0,0,.1);
  padding: 2.5rem 2rem;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: .25rem;
  text-align: center;
}

.login-env {
  text-align: center;
  color: #666;
  font-size: .875rem;
  margin-bottom: 1.5rem;
}

.alert {
  border-radius: 4px;
  padding: .75rem 1rem;
  font-size: .875rem;
  margin-bottom: 1rem;
}
.alert-error { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }

.form-group { margin-bottom: 1rem; }

.form-group input {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: .625rem .875rem;
  font-size: 1rem;
  outline: none;
  transition: border-color .15s;
}
.form-group input:focus { border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,.15); }

.field-error { color: #dc2626; font-size: .75rem; margin-top: .25rem; display: block; }

.btn {
  display: block;
  width: 100%;
  padding: .75rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background .15s;
}
.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-azure { background: #0078d4; color: #fff; margin-top: .5rem; }
.btn-azure:hover { background: #005a9e; }

.divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: #9ca3af;
  font-size: .875rem;
  margin: 1.25rem 0 .5rem;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #e5e7eb;
}