:root {
  --bg: #0d1220;
  --panel: #151c2e;
  --line: #2a3452;
  --text: #eef2ff;
  --muted: #8b95b5;
  --green: #3ee07a;
  --green-2: #22b35c;
  --red: #ff4d5e;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at 50% 20%, #1d3a2c, var(--bg) 65%) fixed, var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
.wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.card {
  width: 100%;
  max-width: 380px;
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.logo {
  text-align: center;
  font-size: 22px;
  margin-bottom: 4px;
}
.logo span {
  color: var(--green);
  font-weight: 800;
}
.sub {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 22px;
}
label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 12px 0 6px;
}
input {
  width: 100%;
  padding: 12px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
}
input:focus {
  border-color: var(--green-2);
}
button {
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  font: inherit;
  font-size: 17px;
  font-weight: 800;
  color: #06301a;
  background: linear-gradient(180deg, #6ef59b, var(--green-2));
  border: 0;
  border-radius: 12px;
  cursor: pointer;
}
button:disabled {
  opacity: 0.6;
}
.error {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--red);
  font-size: 13px;
  text-align: center;
}
.alt {
  margin-top: 18px;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}
.alt a {
  color: var(--green);
}
.ref {
  margin: -8px 0 12px;
  padding: 8px 10px;
  font-size: 12px;
  text-align: center;
  color: var(--muted);
  background: var(--bg);
  border-radius: 8px;
}
.foot {
  margin-top: 16px;
  text-align: center;
  font-size: 11px;
  color: var(--muted);
}