/**
 * UUID / ULID 生成器样式
 * 独立于博客主题，仅作用于 #uu-app 容器。
 * 暗色模式适配 Chirpy 的 html[mode=dark] 属性 + 系统偏好。
 */

#uu-app {
  --uu-border: rgba(128, 128, 128, 0.35);
  --uu-border-strong: rgba(128, 128, 128, 0.55);
  --uu-bg: rgba(128, 128, 128, 0.07);
  --uu-bg-hover: rgba(128, 128, 128, 0.14);
  --uu-text-muted: rgba(128, 128, 128, 0.95);
  --uu-accent: #2f6fde;
  --uu-accent-text: #fff;
  --uu-ok: #1a7f4b;
  --uu-radius: 8px;
}

html[mode='dark'] #uu-app {
  --uu-bg: rgba(255, 255, 255, 0.06);
  --uu-bg-hover: rgba(255, 255, 255, 0.12);
  --uu-text-muted: rgba(190, 190, 190, 0.95);
  --uu-accent: #5b8ff0;
  --uu-ok: #57c288;
}

@media (prefers-color-scheme: dark) {
  html:not([mode='light']) #uu-app {
    --uu-bg: rgba(255, 255, 255, 0.06);
    --uu-bg-hover: rgba(255, 255, 255, 0.12);
    --uu-text-muted: rgba(190, 190, 190, 0.95);
    --uu-accent: #5b8ff0;
    --uu-ok: #57c288;
  }
}

#uu-app .uu-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.8rem 1.2rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--uu-border);
  border-radius: var(--uu-radius);
  background: var(--uu-bg);
}

#uu-app .uu-controls label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--uu-text-muted);
  margin: 0;
}

#uu-app .uu-controls select {
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--uu-border);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: 0.9rem;
}

#uu-app .uu-btn {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--uu-border-strong);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

#uu-app .uu-btn:hover:not(:disabled) { background: var(--uu-bg-hover); }
#uu-app .uu-btn:disabled { opacity: 0.45; cursor: not-allowed; }

#uu-app .uu-btn-primary {
  background: var(--uu-accent);
  border-color: var(--uu-accent);
  color: var(--uu-accent-text);
}

#uu-app .uu-btn-primary:hover:not(:disabled) { opacity: 0.88; background: var(--uu-accent); }

#uu-app .uu-btn-sm { padding: 0.2rem 0.6rem; font-size: 0.82rem; }

#uu-app .uu-quick {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.7rem 0;
  font-size: 0.85rem;
  color: var(--uu-text-muted);
}

#uu-app .uu-quick-label { flex: none; }

#uu-app .uu-status {
  margin: 0.4rem 0;
  font-size: 0.85rem;
  color: var(--uu-text-muted);
}

#uu-app .uu-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

#uu-app .uu-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--uu-border);
  border-radius: var(--uu-radius);
  background: var(--uu-bg);
}

#uu-app .uu-idx {
  flex: none;
  min-width: 2rem;
  text-align: right;
  font-size: 0.82rem;
  color: var(--uu-text-muted);
}

#uu-app .uu-val {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.85rem;
  word-break: break-all;
  user-select: all;
  background: transparent;
}

#uu-app .uu-btn-copied,
#uu-app .uu-btn.uu-copied {
  color: var(--uu-ok);
  border-color: var(--uu-ok);
}

@media (max-width: 576px) {
  #uu-app .uu-controls { margin-left: 0; }
  #uu-app .uu-row { flex-wrap: wrap; }
}