:root {
  color-scheme: dark;
  font-family: Inter, "Noto Sans JP", "Hiragino Sans", system-ui, sans-serif;
  background: #080b13;
  color: #eef2ff;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: #080b13;
}

button,
input {
  font: inherit;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(100%, 430px);
  padding: 30px;
  border: 1px solid #2a3247;
  border-radius: 8px;
  background: #111728;
  box-shadow: 0 20px 60px rgb(0 0 0 / 32%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #7257ee;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
}

.brand small,
header p,
.login-help {
  color: #9ba7c2;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 28px;
}

header p {
  margin: 8px 0 24px;
  line-height: 1.7;
}

.login-form {
  display: grid;
  gap: 10px;
}

label {
  margin-top: 6px;
  color: #c6cee1;
  font-size: 13px;
  font-weight: 700;
}

input {
  width: 100%;
  min-height: 46px;
  padding: 0 13px;
  border: 1px solid #3a4560;
  border-radius: 6px;
  outline: none;
  background: #151c30;
  color: #fff;
  font-size: 14px;
}

input:focus {
  border-color: #8d79ff;
  box-shadow: 0 0 0 3px rgb(141 121 255 / 18%);
}

button {
  min-height: 46px;
  margin-top: 12px;
  border: 0;
  border-radius: 6px;
  background: #7257ee;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  background: #826af3;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.login-error {
  margin: 4px 0 0;
  color: #ff9caa;
  font-size: 13px;
  line-height: 1.5;
}

.login-help {
  margin: 22px 0 0;
  line-height: 1.7;
}

@media (max-width: 520px) {
  .login-page {
    align-items: start;
    padding: 16px;
  }

  .login-panel {
    margin-top: 8vh;
    padding: 24px 20px;
  }
}