:root {
  --bg: #eef2f6; --card: #ffffff; --ink: #18212b; --muted: #5b6875; --line: #d5dde6;
  --ok: #1c7c54; --ok-wash: #e2f3ea; --todo: #a2501a; --todo-wash: #fbeee0; --accent: #2456a6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12171d; --card: #1b222b; --ink: #e8edf2; --muted: #98a5b3; --line: #2c3743;
    --ok: #63c79b; --ok-wash: #173326; --todo: #f0a96b; --todo-wash: #382717; --accent: #8cb4f5;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif; }
.wrap { max-width: 620px; margin: 0 auto; padding: 24px 16px 56px; }
h1 { margin: 0; font-size: 1.6rem; letter-spacing: -0.01em; }
p { margin: 6px 0; }
.muted { color: var(--muted); }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.board { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.job { background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--todo); border-radius: 14px; padding: 14px 14px 14px 16px; display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center; }
.job.done { border-left-color: var(--ok); }
.job h2 { margin: 0; font-size: 1.1rem; }
.job .when { color: var(--muted); font-size: 0.875rem; }
.pill { justify-self: end; font-weight: 700; font-size: 0.875rem; padding: 4px 10px; border-radius: 999px; background: var(--todo-wash); color: var(--todo); white-space: nowrap; }
.job.done .pill { background: var(--ok-wash); color: var(--ok); }
.job .detail { grid-column: 1 / -1; font-size: 0.875rem; color: var(--muted); }
.job .act { grid-column: 1 / -1; }
.job .act button { width: 100%; min-height: 44px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); font-weight: 600; }
.job:not(.done) .act button { background: var(--ok); border-color: var(--ok); color: var(--card); }

.who { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
#signed-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
#signed-in[hidden], #signed-out[hidden] { display: none; }
.ghost { border: 1px solid var(--line); background: none; border-radius: 10px; padding: 8px 12px; color: var(--muted); }
#gbtn { min-height: 44px; margin-top: 10px; }