:root {
  --bg: #09090b;
  --card: #101013;
  --card-2: #17171b;
  --border: #26262b;
  --border-strong: #35353c;
  --fg: #fafafa;
  --fg-subtle: #6f6f78;
  --primary: #e0a94a;
  --primary-fg: #1a1206;
  --danger: #e0655a;
  --radius: 10px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  background-image: radial-gradient(900px 500px at 50% -10%, #17171b 0%, #09090b 60%);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  padding: 24px;
  -webkit-font-smoothing: antialiased;
}
form {
  width: 100%;
  max-width: 328px;
  display: grid;
  gap: 15px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 26px;
  box-shadow: 0 24px 60px -18px rgba(0, 0, 0, 0.7);
}
.logo {
  display: block;
  height: 24px;
  width: auto;
  margin: 2px auto 12px;
  opacity: 0.96;
}
label {
  display: grid;
  gap: 6px;
  font-size: 11px;
  color: var(--fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
input {
  font: inherit;
  font-size: 14px;
  color: var(--fg);
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(224, 169, 74, 0.15);
}
button {
  margin-top: 6px;
  font: inherit;
  font-weight: 600;
  color: var(--primary-fg);
  background: var(--primary);
  border: 0;
  border-radius: 8px;
  padding: 11px 12px;
  cursor: pointer;
  transition: filter 0.12s;
}
button:hover { filter: brightness(1.06); }
button:disabled { opacity: 0.6; cursor: default; }
.err {
  color: var(--danger);
  font-size: 13px;
  min-height: 18px;
  text-align: center;
}