:root {
  --bg: #0b1018;
  --card: #121a26;
  --line: rgba(232, 195, 122, 0.18);
  --text: #eef3fb;
  --muted: #93a0b5;
  --accent: #e8c37a;
  --accent-2: #7ee0c3;
  --danger: #ff8d8d;
  --input: #0e1520;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Segoe UI", "IBM Plex Sans", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.atmosphere {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(232, 195, 122, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,0.03), transparent 30%),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(255,255,255,0.015) 48px);
  pointer-events: none;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px 48px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.wordmark .sys {
  font-family: ui-monospace, "IBM Plex Mono", monospace;
  letter-spacing: 0.22em;
  font-size: 11px;
  color: var(--muted);
}
.wordmark .id {
  font-family: ui-monospace, "IBM Plex Mono", monospace;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  line-height: 1;
}

.card {
  width: min(420px, 100%);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px 24px 22px;
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--accent-2);
}
h1 { margin: 0 0 8px; font-size: 26px; letter-spacing: -0.03em; }
.lead { margin: 0 0 22px; color: var(--muted); line-height: 1.5; font-size: 14px; }

form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--input);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 12px;
  font: inherit;
}
input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-color: var(--accent);
}

button, .cta {
  display: block;
  width: 100%;
  text-align: center;
  margin-top: 6px;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--accent);
  color: #1b1406;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
button:disabled { opacity: 0.65; cursor: wait; }
.steps {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}
.steps li { margin: 0 0 10px; }
code {
  font-family: ui-monospace, monospace;
  color: var(--accent);
  font-size: 12px;
  word-break: break-all;
}

.error {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 141, 141, 0.12);
  color: var(--danger);
  font-size: 13px;
}
.hint { margin: 16px 0 0; color: var(--muted); font-size: 13px; }
.hint a, footer a { color: var(--accent); text-decoration: none; }
footer {
  margin-top: 28px;
  display: flex;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-family: ui-monospace, monospace;
}

@media (max-width: 480px) {
  .card { padding: 22px 18px; border-radius: 18px; }
  .wordmark .id { font-size: 24px; }
}