:root {
  color-scheme: light;
  --ink: #121722;
  --ink-soft: #344056;
  --muted: #69758a;
  --line: #dce3ec;
  --line-strong: #c8d2df;
  --paper: #f4f7fa;
  --white: #ffffff;
  --deep: #080c13;
  --deep-soft: #101722;
  --cyan: #42d6ec;
  --cyan-dark: #138da3;
  --cyan-soft: #e9fafd;
  --blue: #3267d6;
  --blue-soft: #edf3ff;
  --magenta: #c74cb2;
  --green: #168f64;
  --green-soft: #eaf8f2;
  --amber: #b86c12;
  --amber-soft: #fff7e8;
  --red: #bd3f50;
  --red-soft: #fff0f2;
  --shadow-sm: 0 2px 10px rgba(18, 23, 34, 0.06);
  --shadow-md: 0 16px 40px rgba(18, 23, 34, 0.12);
  --radius: 6px;
  --header-height: 78px;
  --composer-width: 460px;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button,
select,
label[for] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

[hidden] {
  display: none !important;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(50, 103, 214, 0.22);
  outline-offset: 2px;
}