:root {
  --bg1: #0b1020;
  --bg2: #101a33;
  --card: rgba(255, 255, 255, 0.08);
  --card2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.14);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.70);
  --muted2: rgba(255, 255, 255, 0.55);
  --shadow: rgba(0, 0, 0, 0.35);
  --accent: rgba(120, 180, 255, 0.95);
  --accent2: rgba(255, 170, 220, 0.85);
  --ok: rgba(140, 255, 190, 0.9);
  --warn: rgba(255, 220, 140, 0.9);
  --danger: rgba(255, 120, 120, 0.9);
  --radius: 18px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
}

body {
  background:
    radial-gradient(900px 700px at 18% 15%, rgba(120, 180, 255, 0.25), transparent 55%),
    radial-gradient(900px 700px at 82% 25%, rgba(255, 170, 220, 0.18), transparent 55%),
    radial-gradient(900px 700px at 50% 92%, rgba(120, 255, 210, 0.10), transparent 55%),
    linear-gradient(180deg, var(--bg1), var(--bg2));
  display: grid;
  place-items: center;
  padding: 22px;
}

.card {
  width: min(560px, 100%);
  background: linear-gradient(180deg, var(--card), var(--card2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px var(--shadow);
  padding: 20px;
  backdrop-filter: blur(10px);
}

h1 {
  margin: 0 0 8px 0;
  font-size: 28px;
  letter-spacing: 0.2px;
}

p {
  margin: 0 0 14px 0;
  color: var(--muted);
  line-height: 1.35;
}

#subtitle {
  color: var(--muted2);
  margin-bottom: 18px;
  font-size: 14px;
}

#fields {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.field {
  display: grid;
  gap: 6px;
  padding: 12px 12px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.10);
}

.label {
  font-size: 12px;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.value {
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
  word-break: break-word;
}

.value:hover {
  color: var(--accent);
}

button {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 16px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.10);
}

button:active {
  transform: translateY(0px);
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.20);
  color: var(--text);
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.4;
  outline: none;
}

textarea:focus {
  border-color: rgba(120, 180, 255, 0.55);
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 12px 0 0 0;
  color: var(--muted2);
  font-size: 12px;
}

@media (max-width: 420px) {
  .row { grid-template-columns: 1fr; }
  h1 { font-size: 24px; }
}