:root {
  --fog: #E9EEEC; --surface: #F8FAF9; --ink: #14302B; --muted: #5C6F69; --line: #C9D4D0;
  --amber: #B86E0A; --amber-wash: #F6E7CC; --brick: #A33B2B; --band: #CFE0DA;
  --rounded: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --step-0: 1rem; --step-1: 1.25rem; --step-2: 1.6rem;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --fog: #0F1E1B; --surface: #16292A; --ink: #E4ECE9; --muted: #9DB0AA; --line: #2C4542;
          --amber: #E3A44A; --amber-wash: #3A2E17; --brick: #E07A66; --band: #25433F; }
}
* { box-sizing: border-box; }
html { background: var(--fog); }
body { margin: 0; color: var(--ink); font: var(--step-0)/1.5 var(--body); -webkit-text-size-adjust: 100%;
       padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
main { max-width: 34rem; margin: 0 auto; padding: 1.25rem 1rem 2rem; }
h1, h2 { font-family: var(--rounded); font-weight: 650; letter-spacing: -0.01em; margin: 0 0 .5rem; }
h2 { font-size: var(--step-1); }
.wordmark { font-size: var(--step-2); letter-spacing: .02em; }
.lede { color: var(--muted); max-width: 30ch; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); font-size: .9rem; margin: 0; }
button { font: inherit; font-weight: 600; min-height: 2.75rem; padding: .5rem 1.1rem; border-radius: .7rem;
         border: 0; background: var(--ink); color: var(--fog); cursor: pointer; }
button.quiet { background: transparent; color: var(--muted); border: 1px solid var(--line); min-height: 2.5rem; }
button:focus-visible, textarea:focus-visible, input:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
button[disabled] { opacity: .5; }
input, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line);
                  border-radius: .7rem; padding: .75rem .85rem; }
.gate form { display: grid; gap: .6rem; margin: 1rem 0; }
.alert { color: var(--brick); min-height: 1.5em; }
.capture { background: var(--surface); border-radius: 1rem; padding: .75rem; border: 1px solid var(--line); }
.capture textarea { border: 0; background: transparent; padding: .35rem; resize: vertical; min-height: 5.5rem; }
.capture-row { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.receipt { margin: 0; font-size: .9rem; color: var(--muted); }
.receipt[data-state="saved"] { color: var(--ink); }
.receipt[data-state="unsaved"] { color: var(--brick); }
#drafts-wrap { margin-top: 1rem; border-left: 3px solid var(--brick); padding-left: .75rem; }
#drafts { list-style: none; padding: 0; margin: .5rem 0 0; display: grid; gap: .4rem; }
#drafts li { display: flex; justify-content: space-between; gap: .5rem; align-items: center; }
.today { margin-top: 1.75rem; }
.banner { background: var(--amber-wash); color: var(--ink); border-radius: .6rem; padding: .5rem .75rem; }
.question { border-left: 3px solid var(--amber); padding: .25rem 0 .25rem .75rem; font-weight: 600; }
/* The day rail: fixed items as bands on a vertical line, times in tabular figures. */
.rail { list-style: none; margin: 1rem 0; padding: 0 0 0 1.25rem; border-left: 2px solid var(--line); display: grid; gap: .65rem; }
.rail li { position: relative; background: var(--band); border-radius: .5rem; padding: .55rem .75rem; }
.rail li::before { content: ""; position: absolute; left: calc(-1.25rem - 6px); top: .95rem; width: 10px; height: 10px;
                   border-radius: 50%; background: var(--ink); }
.rail .when { display: block; font-variant-numeric: tabular-nums; font-family: var(--rounded); font-weight: 650; }
.rail .what { display: block; }
.rail .stamp { display: inline-block; margin-top: .25rem; font-size: .8rem; color: var(--amber); font-weight: 650; }
.rail .empty { background: transparent; color: var(--muted); padding-left: 0; }
.rail .empty::before { background: var(--line); }
.freshness { list-style: none; padding: 0; margin: 0; color: var(--muted); font-size: .9rem; display: grid; gap: .15rem; }
.freshness [data-state="stale"], .freshness [data-state="disputed"], .freshness [data-state="unknown"] { color: var(--amber); }
.foot { margin-top: 2rem; border-top: 1px solid var(--line); padding-top: .75rem; display: grid; gap: .6rem; }
.foot-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
@media (prefers-reduced-motion: no-preference) {
  .receipt[data-state="saved"] { animation: settle .35s ease-out; }
  @keyframes settle { from { opacity: .2; transform: translateY(2px); } to { opacity: 1; transform: none; } }
}
.block { margin-top: 1.75rem; }
.row-form { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: .5rem 0; }
.row-form input { flex: 1 1 9rem; width: auto; }
.inbox-list { list-style: none; padding: 0; margin: .5rem 0 0; display: grid; gap: .5rem; }
.inbox-list li { display: flex; justify-content: space-between; align-items: center; gap: .75rem; background: var(--surface);
                 border: 1px solid var(--line); border-radius: .6rem; padding: .5rem .75rem; }
.inbox-list li[data-focus="true"] { border-color: var(--amber); box-shadow: 0 0 0 2px var(--amber-wash); }
.inbox-list .when { color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; display: block; }
.inbox-list .stamp { color: var(--muted); font-size: .85rem; }
.item-actions { display: flex; gap: .35rem; flex-wrap: wrap; justify-content: flex-end; }