:root {
  color-scheme: dark;
  --overlay-bg: rgba(9, 12, 18, 0.78);
  --overlay-border: rgba(255, 255, 255, 0.14);
  --overlay-text: #e5e7eb;
  --overlay-muted: rgba(229, 231, 235, 0.7);
  --overlay-accent: #f97316;
}

body {
  background: #000;
}

#silvester-ui {
  position: fixed;
  left: 14px;
  top: 14px;
  z-index: 9999;
  width: min(520px, calc(100vw - 28px));
  border-radius: 16px;
  border: 1px solid var(--overlay-border);
  background: var(--overlay-bg);
  backdrop-filter: blur(10px);
  color: var(--overlay-text);
  font: 14px/1.4 "Space Grotesk", sans-serif;
  padding: 14px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.55);
}

#silvester-ui.hidden {
  display: none;
}

#silvester-ui h1 {
  margin: 0 0 8px 0;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

#silvester-ui p {
  margin: 8px 0;
  color: var(--overlay-muted);
}

#silvester-ui .row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

#silvester-ui input,
#silvester-ui textarea,
#silvester-ui button {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--overlay-text);
  padding: 8px 10px;
}

#silvester-ui textarea {
  width: 100%;
  min-height: 80px;
  resize: vertical;
}

#silvester-ui button {
  cursor: pointer;
  background: rgba(249, 115, 22, 0.18);
  border-color: rgba(249, 115, 22, 0.5);
}

#silvester-ui button:hover {
  background: rgba(249, 115, 22, 0.28);
}

#silvester-ui .muted {
  opacity: 0.7;
}