:root {
  --bg: #0f1720;
  --panel: #1a2532;
  --panel-light: #223247;
  --border: #2e4258;
  --text: #eef4fb;
  --muted: #93a5bb;
  --accent: #f4a261;
  --orange: #f6ad55;
  --green: #48bb78;
  --radius: 14px;
  font-family: 'Segoe UI', Roboto, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(160deg, #0f1720, #131e2b 60%, #0f1720);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

h1, h2, h3 { margin-top: 0; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.brand .goblin { font-size: 1.6em; }
.brand .title { font-size: 1.5em; }
.brand .title span { color: var(--accent); }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 1em;
  font-weight: 700;
  background: var(--accent);
  color: #1a1206;
  transition: transform .08s ease, opacity .15s ease;
}
button:hover { opacity: .92; }
button:active { transform: scale(.97); }
button:disabled { opacity: .4; cursor: not-allowed; }

button.secondary {
  background: var(--panel-light);
  color: var(--text);
  border: 1px solid var(--border);
}

input[type=text], input[type=number], textarea {
  font-family: inherit;
  background: #0d1620;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1em;
  width: 100%;
}

.muted { color: var(--muted); }
.center { text-align: center; }

.code-badge {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-weight: 800;
  letter-spacing: 4px;
  font-size: 1.4em;
  background: var(--panel-light);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 10px;
}