:root {
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #17201d;
  --muted: #64716c;
  --line: #e1e7e4;
  --accent: #14614f;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ec;
  --ok: #1d7a4c;
  --ok-soft: #e2f4e9;
  --warn: #9a6200;
  --warn-soft: #fdf1d8;
  --bad: #b3261e;
  --bad-soft: #fbe5e3;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 20, .06), 0 2px 8px rgba(16, 24, 20, .04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101513;
    --card: #19201d;
    --text: #e8eeeb;
    --muted: #93a19b;
    --line: #2a3430;
    --accent: #3fae8f;
    --accent-ink: #0b1411;
    --accent-soft: #17332b;
    --ok: #57c48a;
    --ok-soft: #173023;
    --warn: #e6b04d;
    --warn-soft: #33290f;
    --bad: #f08a80;
    --bad-soft: #3a1c19;
    --shadow: none;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  padding-bottom: env(safe-area-inset-bottom);
}
h1, h2, h3 { margin: 0 0 4px; line-height: 1.2; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 16px; }
p { margin: 6px 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; }
.brand img { border-radius: 7px; }

main { max-width: 760px; margin: 0 auto; padding: 16px; }
.loading { padding: 40px 0; text-align: center; color: var(--muted); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.card.narrow { max-width: 400px; margin: 24px auto; }

label { display: block; font-size: 14px; color: var(--muted); margin: 10px 0 4px; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); }
input, select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; margin-top: 4px;
}
input[type=checkbox] { width: auto; margin: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
input:disabled { opacity: .6; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; border: 0; border-radius: 10px; padding: 11px 16px;
  background: var(--accent); color: var(--accent-ink); cursor: pointer; min-height: 44px;
}
.btn.ghost { background: var(--accent-soft); color: var(--accent); }
.btn.danger { background: var(--bad-soft); color: var(--bad); }
.btn.small { min-height: 34px; padding: 6px 12px; font-size: 14px; }
.btn.wide { width: 100%; margin-top: 14px; }
form > .btn.wide { margin-bottom: 12px; }
.btn:disabled { opacity: .55; cursor: default; }
.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 6px; }
.icon { background: none; border: 0; color: var(--muted); font-size: 17px; cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.icon:hover { background: var(--accent-soft); color: var(--accent); }

.row { display: flex; gap: 8px; align-items: center; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; }
.row.wrap { flex-wrap: wrap; }
.stack > * + * { margin-top: 8px; }

.status { margin-top: 10px; padding: 10px 12px; border-radius: 10px; font-size: 15px; }
.status.ok { background: var(--ok-soft); color: var(--ok); }
.status.wait { background: var(--warn-soft); color: var(--warn); }
.note { background: var(--accent-soft); color: var(--text); padding: 12px 14px; border-radius: 10px; margin-bottom: 12px; font-size: 15px; }
.warnline { color: var(--warn); }
.okline { color: var(--ok); font-weight: 600; }
.err { color: var(--bad); min-height: 1.2em; font-size: 14px; }

.meter-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.meter-name { font-weight: 650; }
.prev { text-align: right; display: flex; flex-direction: column; }
.prev b { font-size: 18px; font-variant-numeric: tabular-nums; }
.meter input { font-size: 20px; font-variant-numeric: tabular-nums; margin-top: 10px; }
.hint { font-size: 14px; margin-top: 6px; min-height: 1.2em; color: var(--muted); }
.hint.bad { color: var(--bad); }
.hint.warn { color: var(--warn); }
.meter.has-error input { border-color: var(--bad); }

.chip { display: inline-block; font-size: 13px; font-weight: 600; padding: 3px 10px; border-radius: 99px; white-space: nowrap; }
.chip.ok { background: var(--ok-soft); color: var(--ok); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.bad { background: var(--bad-soft); color: var(--bad); }
.chip.gray { background: var(--bg); color: var(--muted); }

.tabs {
  display: flex; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 4px; margin-bottom: 14px; overflow-x: auto;
}
.tabs button {
  flex: 1; font: inherit; font-size: 15px; border: 0; background: none; color: var(--muted);
  padding: 9px 10px; border-radius: 9px; cursor: pointer; white-space: nowrap;
}
.tabs button.active { background: var(--accent); color: var(--accent-ink); font-weight: 600; }

.summary { font-size: 17px; margin: 4px 0 12px; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar input[type=month] { width: auto; margin: 0; }

.tbl { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; font-variant-numeric: tabular-nums; }
.tbl th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 6px 6px 6px 0; border-bottom: 1px solid var(--line); }
.tbl td { padding: 8px 6px 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr.flag td { background: var(--warn-soft); }
.tbl td.num, .tbl th.num { text-align: right; }

.list-item { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 8px 0; border-top: 1px solid var(--line); }
.list-item:first-of-type { border-top: 0; }
.section-title { display: flex; justify-content: space-between; align-items: center; margin: 14px 0 4px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

pre.letter {
  white-space: pre-wrap; background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px; font: 13px/1.45 ui-monospace, Menlo, Consolas, monospace; margin: 8px 0 0;
}
details summary { cursor: pointer; color: var(--accent); font-size: 14px; margin-top: 6px; }
ul.plain { margin: 6px 0; padding-left: 18px; }

dialog {
  border: 0; border-radius: 16px; padding: 0; width: min(440px, calc(100vw - 24px));
  background: var(--card); color: var(--text); box-shadow: 0 10px 40px rgba(0, 0, 0, .25);
}
dialog::backdrop { background: rgba(10, 15, 13, .45); }
dialog form { padding: 18px; max-height: 85vh; overflow-y: auto; }
dialog .row.end { margin-top: 16px; }
.cred { font: 600 18px/1.5 ui-monospace, Menlo, Consolas, monospace; background: var(--bg); border-radius: 10px; padding: 12px; margin: 10px 0; }

#toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 11px 16px; border-radius: 10px; font-size: 15px;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; max-width: calc(100vw - 32px); z-index: 20;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.bad { background: var(--bad); color: #fff; }

@media (max-width: 480px) {
  main { padding: 12px; }
  .card { padding: 14px; }
  .tbl { font-size: 13px; }
  .tbl .hide-sm { display: none; }
  .tabs button { font-size: 14px; padding: 9px 4px; }
}