:root {
  --bg: #f4f5f7; --card: #fff; --fg: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --accent: #2563eb; --ok: #15803d; --warn: #b45309; --err: #b91c1c; --off: #9ca3af;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1218; --card: #181c24; --fg: #e5e7eb; --muted: #9ca3af; --line: #2a303b;
          --accent: #60a5fa; --ok: #4ade80; --warn: #fbbf24; --err: #f87171; --off: #6b7280; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--fg); }
body.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
header { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
main { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); gap: 16px; padding: 16px; max-width: 1400px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; min-width: 0; }
.card.wide { grid-column: 1 / -1; }
.card.narrow { width: 100%; max-width: 340px; display: grid; gap: 12px; }
h1, h2 { margin: 0 0 12px; font-size: 16px; }
h1 { font-size: 20px; }
form { display: grid; gap: 12px; }
form + form { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
label.grow { flex: 1 1 260px; }
input, select { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; width: 120px; }
label.grow input { width: 100%; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.side { display: flex; gap: 4px; }
.side label { display: flex; align-items: center; gap: 4px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--fg); cursor: pointer; }
.side label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.side input { width: auto; }
button { font: inherit; padding: 7px 12px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--fg); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { border-color: var(--err); color: var(--err); }
button.ghost { background: transparent; }
button.small { padding: 2px 8px; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.error { color: var(--err); margin: 0; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td.nowrap { white-space: nowrap; }
td.status small { color: var(--muted); }
code, pre { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
pre { white-space: pre-wrap; background: var(--bg); padding: 10px; border-radius: 6px; }
.eas { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.badge.ok, .badge.done { color: var(--ok); }
.badge.partial, .badge.sent { color: var(--warn); }
.badge.error { color: var(--err); }
.badge.off { color: var(--off); }
.dot.open, .pos { color: var(--ok); }
.dot.closed, .neg { color: var(--err); }
.events { list-style: none; margin: 0; padding: 0; max-height: 320px; overflow: auto; }
.events li { padding: 4px 0; border-bottom: 1px solid var(--line); }
dialog { border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--fg); max-width: min(560px, calc(100vw - 32px)); }
dialog::backdrop { background: rgb(0 0 0 / .4); }
a { color: var(--accent); }
h3 { margin: 8px 0 0; font-size: 14px; }
main > p.wide { grid-column: 1 / -1; margin: 0; }
.notice { grid-column: 1 / -1; margin: 0; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--ok); color: var(--ok); }
main > .error { grid-column: 1 / -1; }
body.setup main { grid-template-columns: repeat(auto-fit, minmax(min(100%, 520px), 1fr)); }
body.setup label > input:not([type=checkbox]) { width: 100%; }
body.setup .row label { flex: 1 1 160px; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
form.inline { display: inline-block; margin: 0; padding: 0; border: 0; }
form + form.inline, form.inline + form.inline { margin-top: 0; padding-top: 0; border-top: 0; }
.row.spaced { margin-top: 12px; }
label.check { display: flex; align-items: center; gap: 6px; }
label.check input { width: auto; }
ul.plain { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 6px; }
.narrowform { max-width: 360px; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: 8px; max-width: calc(100vw - 32px); }
.toast.error { background: var(--err); color: #fff; }