:root {
  --bg: #0e1116;
  --panel: #161b22;
  --text: #e6edf3;
  --muted: #9da7b1;
  --primary: #3b82f6;
  --primary-600: #2563eb;
  --danger: #ef4444;
  --ring: rgba(59, 130, 246, 0.5);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, 'Helvetica Neue', Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% -10%, #1f2937 0%, #0e1116 60%);
}

.app-header {
  text-align: center;
  padding: 24px 16px 8px;
}
.app-header h1 { margin: 0; font-weight: 800; letter-spacing: 0.3px; }
.app-header .tagline { margin: 6px 0 0; color: var(--muted); }

.layout {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 24px;
  padding: 16px 24px 24px;
  align-items: start;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.wheel-panel {
  background: var(--panel);
  border: 1px solid #263042;
  border-radius: 14px;
  padding: 16px;
}

.wheel-wrap {
  position: relative;
  width: min(70vmin, 520px);
  max-width: 100%;
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}

#wheel {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 20px 50px rgba(0,0,0,0.45));
  background: radial-gradient(120px 120px at 50% 50%, #0b1221 0%, #0b1221 50%, #111827 53%, #0b1221 54%);
  border-radius: 50%;
}

.pointer {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 28px;
  color: var(--primary);
  text-shadow: 0 2px 6px rgba(37, 99, 235, 0.6);
}

.controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.btn {
  background: #1f2937;
  color: var(--text);
  border: 1px solid #2a3446;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}
.btn:hover { transform: translateY(-1px); border-color: #3b4659; }
.btn:active { transform: translateY(0); }
.btn.primary { background: var(--primary); border-color: var(--primary-600); }
.btn.primary:hover { background: var(--primary-600); box-shadow: 0 0 0 4px var(--ring); }
.btn.danger { background: #1f2a37; border-color: #3b2a34; color: #fca5a5; }
.btn.danger:hover { background: #2b1f22; border-color: #b91c1c; }

.result { text-align: center; margin-top: 12px; font-size: 18px; min-height: 24px; }

.names-panel {
  background: var(--panel);
  border: 1px solid #263042;
  border-radius: 14px;
  padding: 16px;
}
.names-panel h2 { margin-top: 0; }
.names-panel .hint { margin-top: 6px; color: var(--muted); }

#namesInput {
  width: 100%;
  min-height: 280px;
  margin-top: 10px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #2a3446;
  background: #0b1221;
  color: var(--text);
  resize: vertical;
  outline: none;
}
#namesInput:focus { border-color: var(--primary-600); box-shadow: 0 0 0 3px var(--ring); }

.names-actions { display: flex; gap: 10px; margin-top: 10px; }

.app-footer { text-align: center; color: var(--muted); padding: 20px 0 30px; }