* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: #f5f6f8;
  color: #1f2933;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  line-height: 1.5;
}

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

.card {
  background: #fff;
  padding: 32px 28px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  width: 100%;
  max-width: 380px;
}

h1 {
  margin: 0 0 4px;
  font-size: 24px;
}

.subtitle {
  margin: 0 0 20px;
  color: #6b7280;
  font-size: 14px;
}

.alert {
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: #374151;
}

.login-form input {
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 15px;
}

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

.login-form button {
  margin-top: 8px;
  padding: 10px 14px;
  border: none;
  border-radius: 6px;
  background: #2563eb;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.login-form button:hover {
  background: #1d4ed8;
}

a {
  color: #2563eb;
}