:root {
  color-scheme: dark;
  --bg: #101114;
  --bg-deep: #0b0c0e;
  --surface: #181a1f;
  --surface-2: #1e2026;
  --border: #2b2e36;
  --border-strong: #3a3e48;
  --text: #f0f1f4;
  --text-2: #a7abb5;
  --text-3: #737984;
  --accent: #df4a5c;
  --positive: #42cf91;
  --radius: 6px;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(720px 420px at 80% -10%, rgba(223, 74, 92, 0.08), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei", Roboto, Arial, sans-serif;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px 18px 72px;
}

.login-panel {
  width: min(100%, 370px);
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.login-brand div {
  display: grid;
  gap: 2px;
}

.login-brand strong {
  font-size: 13px;
}

.login-brand small,
.login-copy p {
  color: var(--text-3);
  font-size: 10px;
}

.login-copy {
  margin: 30px 0 18px;
}

.login-copy.compact {
  margin-top: 0;
}

.login-copy h1 {
  margin: 0 0 5px;
  font-size: 24px;
}

.login-copy p {
  margin: 0;
}

.login-form {
  display: grid;
  gap: 13px;
}

.login-form label {
  display: grid;
  gap: 6px;
}

.login-form label span {
  color: var(--text-2);
  font-size: 10px;
  font-weight: 700;
}

.login-form input {
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-deep);
  color: var(--text);
  outline: none;
  font: inherit;
  font-size: 12px;
}

.login-form input:focus {
  border-color: var(--accent);
}

.login-button {
  min-height: 38px;
  margin-top: 2px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}

.login-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-error {
  min-height: 16px;
  margin: -2px 0 0;
  color: var(--accent);
  font-size: 10px;
}

.login-footer {
  position: fixed;
  right: 0;
  bottom: 18px;
  left: 0;
  display: flex;
  justify-content: center;
  gap: 7px;
  color: var(--text-3);
  font-size: 10px;
}

@media (max-width: 520px) {
  .login-shell {
    place-items: start center;
    padding-top: 54px;
  }

  .login-footer {
    position: static;
    margin-top: -38px;
  }
}