:root {
  --bg: #fff; --fg: #16181d; --muted: #667085; --line: #e4e7ec; --accent: #2563eb; --warn: #b4561a; --err: #b3261e; --ok: #26734d;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1b1e24; --fg: #e7e9ee; --muted: #9aa3b2; --line: #2a2f38; --accent: #4c8dff; --warn: #e0a36b; --err: #f2867f; --ok: #6cc59a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 62rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
header { display: flex; align-items: center; gap: 1.5rem; padding: .75rem 1.25rem; border-bottom: 1px solid var(--line); }
header .brand { font-weight: 600; color: var(--fg); text-decoration: none; }
header nav { display: flex; gap: 1rem; }
header .search { margin-left: auto; }
header .who { display: flex; gap: .75rem; align-items: center; }
h1 { font-size: 1.5rem; font-weight: 600; margin: 1rem 0 1rem; }
h2 { font-size: 1.05rem; font-weight: 600; margin: 2rem 0 .5rem; }
h3 { font-size: .95rem; margin: 1.5rem 0 .5rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.error { color: var(--err); }
.warn { color: var(--warn); }
.ok { color: var(--ok); }
table { border-collapse: collapse; width: 100%; margin: .5rem 0; }
th, td { text-align: left; padding: .45rem .6rem .45rem 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-weight: 500; color: var(--muted); font-size: .85rem; }
input, select, button, .button { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: .3rem .55rem; }
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type=checkbox] { padding: 0; }
button, .button { cursor: pointer; display: inline-block; text-decoration: none; color: var(--fg); }
button:hover, .button:hover { border-color: var(--accent); text-decoration: none; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { button.primary { color: #111; } }
button.link { border: 0; padding: 0; background: none; color: var(--accent); }
form.inline { display: inline; }
form.narrow { max-width: 20rem; margin: 4rem auto; display: flex; flex-direction: column; gap: 1rem; }
form.narrow label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
form.narrow input { font-size: 1rem; color: var(--fg); }
.bigsearch { display: flex; gap: .5rem; }
.bigsearch input { flex: 1; padding: .5rem .7rem; }
.inline-form { display: flex; gap: .5rem; flex-wrap: wrap; }
.plain { list-style: none; padding: 0; margin: 0; }
.plain li { padding: .2rem 0; }
.folders { columns: 2; margin-bottom: 1rem; }
.actions { display: flex; gap: .75rem; align-items: center; }
.tabs a { margin-right: 1rem; }
.tabs a.current { color: var(--fg); font-weight: 600; }
.state-running { color: var(--accent); }
.state-done { color: var(--ok); }
.state-failed { color: var(--err); }
.state-cancelled { color: var(--muted); }
progress { width: 7rem; height: .55rem; vertical-align: middle; accent-color: var(--accent); }
progress.wide { width: 20rem; }
.options { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.smiles { width: 100%; min-width: 14rem; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85rem; }
.num { width: 4rem; }
td.depict img { background: #fff; border-radius: 3px; display: block; }
img.plot { width: 100%; height: auto; background: #fff; border: 1px solid var(--line); border-radius: 4px; }
img.thumb, img.struct { background: #fff; border-radius: 3px; }
tr.chem.nosmiles input.smiles { border-color: var(--warn); }
.downloads a { margin-right: 1.25rem; }
details pre, pre { overflow: auto; font-size: .8rem; background: var(--line); padding: .75rem; border-radius: 4px; }
.crumbs { color: var(--muted); }
input.bad { border-color: var(--err); }