:root {
  --bg: #0a0a0d;
  --panel: #1b1b22;
  --border: #2a2a33;
  --text: #f3f3f7;
  --muted: #a4a4b0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", monospace;
}

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

.gate-form {
  width: min(340px, 92vw);
  display: grid;
  gap: 12px;
}

.gate-form input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
  outline: none;
}

.gate-form input:focus {
  border-color: #5a5a67;
}

.gate-form button {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #23232d;
  color: var(--text);
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.gate-form button:hover {
  filter: brightness(1.08);
}

.error {
  margin: 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}