*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}

:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --bar-bg: #f0f0f0;
  --bar-border: #d0d0d0;
  --accent: #666;
  --btn-bg: #e4e4e4;
  --btn-hover: #d4d4d4;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --fg: #e0e0e0;
    --bar-bg: #1a1a1a;
    --bar-border: #333;
    --accent: #888;
    --btn-bg: #2a2a2a;
    --btn-hover: #3a3a3a;
  }
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
  scrollbar-color: var(--bar-border) transparent;
}

body {
  display: flex;
  flex-direction: column;
}

::-webkit-scrollbar { width: 8px }
::-webkit-scrollbar-track { background: transparent }
::-webkit-scrollbar-thumb { background: var(--bar-border); border-radius: 4px }
::-webkit-scrollbar-thumb:hover { background: var(--accent) }

#editor {
  flex: 1;
  width: 100%;
  min-height: 0;
  background: transparent;
  color: var(--fg);
  border: none;
  outline: none;
  resize: none;
  padding: 24px;
  font: inherit;
  font-size: 16px;
  line-height: 1.6;
  tab-size: 2;
}

#topbar, #bottombar {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  padding: 6px 16px;
  background: var(--bar-bg);
  font-size: 12px;
  color: var(--accent);
  gap: 4px 12px;
}

#topbar { border-bottom: 1px solid var(--bar-border) }
#bottombar { border-top: 1px solid var(--bar-border) }

#url-group {
  display: flex;
  align-items: center;
  font-size: 12px;
}

#url-host {
  color: var(--accent);
  padding: 4px 0;
  opacity: 0.7;
}

#url-slug { padding: 4px 0 }

#copy-url {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  transition: opacity .15s;
  opacity: 1;
  font: inherit;
  font-size: 12px;
}
#copy-icon { display: flex; align-items: center }
#copy-url:hover { opacity: .7 }

#actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

#status {
  font-size: 11px;
  opacity: .7;
  transition: opacity 0.5s;
}

#counters {
  display: flex;
  gap: 16px;
  white-space: nowrap;
  padding: 4px 0;
}
#counters .label { opacity: .5 }

#new-doc, #share-doc {
  background: var(--btn-bg);
  color: var(--fg);
  border: 1px solid var(--bar-border);
  border-radius: 4px;
  padding: 3px 10px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background .15s;
}
#new-doc:hover, #share-doc:hover { background: var(--btn-hover) }
#new-doc:focus-visible, #share-doc:focus-visible, #copy-url:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}