:root {
  --bg: #07080c;
  --panel: rgba(22, 24, 32, 0.72);
  --line: rgba(255, 255, 255, 0.1);
  --text: #f4f5f7;
  --muted: rgba(244, 245, 247, 0.62);
  --accent: #7aa2ff;
  --accent-2: #c084fc;
  --danger: #ff8b8b;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "SF Pro Text", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

.aurora {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(122, 162, 255, 0.28), transparent 55%),
    radial-gradient(700px 480px at 85% 20%, rgba(192, 132, 252, 0.22), transparent 50%),
    radial-gradient(800px 600px at 50% 100%, rgba(56, 189, 248, 0.12), transparent 55%),
    #07080c;
}

.stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px 48px;
}

.panel {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(28px) saturate(1.4);
  padding: 28px 28px 24px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background:
    radial-gradient(circle at 30% 30%, #fff, transparent 35%),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 20px rgba(122, 162, 255, 0.35);
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 10px;
  color: var(--muted);
}

h1 {
  margin: 2px 0 0;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.lead, .hint, .footnote {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.lead { margin: 0 0 18px; }

form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

input {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  color: var(--text);
  border-radius: 12px;
  padding: 11px 12px;
  font: inherit;
  font-size: 15px;
}

input:focus {
  outline: 2px solid rgba(122, 162, 255, 0.55);
  outline-offset: 1px;
}

button {
  font: inherit;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  background: linear-gradient(180deg, #8eafff, #5b86f6);
  color: #06101f;
  font-weight: 600;
  cursor: pointer;
}

button:hover { filter: brightness(1.05); }

button.ghost {
  background: transparent;
  color: var(--muted);
  font-weight: 500;
}

.ghost-form { margin-top: 4px; }

.banner {
  background: rgba(255, 139, 139, 0.12);
  border: 1px solid rgba(255, 139, 139, 0.35);
  color: var(--danger);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
}

.hidden { display: none !important; }

.qr {
  display: grid;
  place-items: center;
  background: #fff;
  border-radius: 16px;
  padding: 12px;
  margin: 0 auto 12px;
  width: 196px;
  height: 196px;
}

.qr svg { width: 172px; height: 172px; }

.secret {
  font-size: 12px;
  color: var(--muted);
  word-break: break-all;
}

.secret code {
  color: var(--text);
}

.footnote {
  text-align: center;
  margin: 18px 0 0;
  font-size: 12px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }