:root {
  --bg: #eef3f4;
  --panel: #ffffff;
  --text: #101828;
  --muted: #667085;
  --accent: #175cd3;
  --accent-hover: #1849a9;
  --line: #e4e7ec;
  --danger: #a33737;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    linear-gradient(
      135deg,
      #e8f0f1 0%,
      #f6f8f8 100%
    );
}

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

.login-card {
  width: 100%;
  max-width: 420px;

  background: var(--panel);

  border: 1px solid var(--line);
  border-radius: 18px;

  box-shadow:
    0 18px 60px
    rgba(15, 55, 65, .10);

  padding: 38px;
}

.brand {
  margin-bottom: 34px;
}

.brand-main {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: .09em;
  color: var(--accent);
}

.brand-sub {
  margin-top: 2px;
  font-size: 12px;
  letter-spacing: .32em;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: 27px;
}

.description {
  margin: 9px 0 28px;
  color: var(--muted);
  line-height: 1.45;
}

label {
  display: block;
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 600;
}

input {
  width: 100%;
  margin-top: 7px;

  border: 1px solid var(--line);
  border-radius: 9px;

  padding: 12px 13px;

  font: inherit;
  color: var(--text);

  outline: none;
}

input:focus {
  border-color: var(--accent);

  box-shadow:
    0 0 0 3px
    rgba(18, 111, 128, .10);
}

button {
  width: 100%;

  margin-top: 5px;

  border: 0;
  border-radius: 9px;

  background: var(--accent);
  color: white;

  padding: 13px;

  font: inherit;
  font-weight: 700;

  cursor: pointer;
}

button:hover {
  background: var(--accent-hover);
}

button:disabled {
  opacity: .65;
  cursor: default;
}

.login-error {
  min-height: 20px;
  margin-top: 14px;

  color: var(--danger);
  font-size: 13px;
  text-align: center;
}

.login-footer {
  border-top: 1px solid var(--line);

  margin-top: 28px;
  padding-top: 18px;

  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 480px) {
  .login-card {
    padding: 28px 22px;
  }
}