:root {
  color-scheme: dark;
  --bg: #0b0d0f;
  --panel: #171a1d;
  --field: #20252a;
  --line: #343d45;
  --text: #f6f7f8;
  --muted: #9aa6ac;
  --gold: #ffd447;
  --green: #45d07f;
  --error: #ff8e88;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 56px 56px;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.login-panel {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 26, 29, 0.97);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4);
}

.login-panel img {
  display: block;
  width: min(230px, 72%);
  max-height: 150px;
  margin: 0 auto 20px;
  object-fit: contain;
}

.login-heading {
  margin-bottom: 24px;
  text-align: center;
}

.login-heading p {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.login-heading h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0;
}

form,
label {
  display: grid;
}

form {
  gap: 16px;
}

label {
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

input,
button {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

input {
  padding: 0 12px;
  background: var(--field);
  color: var(--text);
}

input:focus {
  border-color: var(--gold);
  outline: 2px solid rgba(255, 212, 71, 0.18);
}

button {
  margin-top: 4px;
  background: var(--green);
  color: #07130c;
  cursor: pointer;
  font-weight: 900;
}

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

.login-error {
  margin: -4px 0 0;
  color: var(--error);
  font-size: 12px;
  line-height: 1.45;
}

@media (max-width: 520px) {
  .login-shell {
    padding: 16px;
  }

  .login-panel {
    padding: 24px 18px;
  }
}