:root {
  color-scheme: light;
  --bg: #edf8ff;
  --panel: #ffffff;
  --panel-2: #f5f9ff;
  --line: #c8dbeb;
  --text: #13213a;
  --muted: #64748b;
  --blue: #00aeea;
  --pink: #ff4fa3;
  --green: #20c997;
}

* { box-sizing: border-box; }
body {
  min-inline-size: 1340px;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 13px Arial, "Microsoft YaHei", sans-serif;
}
button, input, select { font: inherit; }
button {
  min-height: 30px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: var(--blue);
  color: #ffffff;
  padding: 5px 9px;
  cursor: pointer;
}
button:hover { background: #0098ce; }
input, select {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px;
}
.spacer { flex: 1; }

dialog {
  max-width: 620px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  padding: 22px;
}
dialog::backdrop { background: rgb(15 23 42 / 35%); }
.dialog-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }