* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", system-ui, sans-serif;
  background: #0f1117;
  color: #e6e9ef;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login-card {
  background: #161a22;
  border: 1px solid #232938;
  border-radius: 16px;
  padding: 32px;
  width: 360px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

h1 {
  margin: 0 0 8px;
  font-size: 22px;
}

p {
  margin: 0 0 20px;
  color: #9aa3b2;
  font-size: 13px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 13px;
}

input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #273041;
  background: #0d111a;
  color: #e6e9ef;
}

button {
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 10px;
  background: #4b7dff;
  color: #f0f3f9;
  cursor: pointer;
}

.error {
  margin-top: 12px;
  color: #ff8f8f;
  font-size: 12px;
}