:root { color-scheme: light dark; --gap: 1rem; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, "Noto Sans TC", sans-serif; }
main { max-width: 46rem; margin: 0 auto; padding: var(--gap); }
header { display: flex; gap: var(--gap); align-items: baseline; flex-wrap: wrap; }
header h1 { flex: 1; font-size: 1.3rem; }
h2 { margin-top: 2rem; border-bottom: 1px solid currentColor; padding-bottom: .3rem; font-size: 1.1rem; }
label { display: block; margin: .5rem 0; }
input, select, button { font: inherit; padding: .45rem .6rem; }
input, select { width: 100%; max-width: 28rem; }
form { margin: var(--gap) 0; }
table { width: 100%; border-collapse: collapse; }
td { padding: .35rem .5rem; border-bottom: 1px solid rgba(128,128,128,.3); }
.bot { border: 1px solid rgba(128,128,128,.4); border-radius: .5rem; padding: var(--gap); margin: var(--gap) 0; }
.hint { opacity: .75; font-size: .9rem; }
.err { color: #c00; }
.danger { color: #c00; }
pre { background: rgba(128,128,128,.15); padding: .8rem; border-radius: .4rem; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
code { word-break: break-all; }