:root {
  --bg: #0f1117;
  --card: #141822;
  --card-border: #242b3a;
  --accent: #f0b429;
  --text: #f5f7fb;
  --muted: #b2bbcc;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(1200px 800px at 20% 10%, #1b2130 0%, var(--bg) 60%);
  font-family: "Trebuchet MS", "Lucida Sans", sans-serif;
  color: var(--text);
}

.bg-glow {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(500px 400px at 80% 20%, rgba(240, 180, 41, 0.18), transparent 60%),
    radial-gradient(600px 500px at 10% 80%, rgba(73, 198, 229, 0.12), transparent 60%);
  pointer-events: none;
}

.login-card {
  width: min(420px, 90vw);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  z-index: 1;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.brand {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 10px 0 8px;
}

p {
  color: var(--muted);
  margin-top: 0;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}

input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: #0f141f;
  color: var(--text);
}

button {
  margin-top: 16px;
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #0b0e14;
  font-weight: 700;
  cursor: pointer;
}

.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--card-border);
}

.error {
  background: rgba(255, 107, 107, 0.15);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 107, 0.4);
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
  margin-top: 10px;
}

.hint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}