:root {
  --bg: #f4f3ee; --card: #ffffff; --ink: #1c2420; --muted: #6b726d; --line: #e3e2db;
  --accent: #1f3a2e; --accent-ink: #f4f3ee; --soft: #eceae2; --ok: #2f6b45; --warn: #9a5b12; --bad: #a3322b;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121614; --card: #1b201d; --ink: #e8ebe7; --muted: #9aa39d; --line: #2b322e;
    --accent: #b8d4c2; --accent-ink: #102018; --soft: #242a26; --ok: #7cc495; --warn: #e0a85a; --bad: #ef8a80;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 560px; margin: 0 auto; padding: max(16px, env(safe-area-inset-top)) 16px 48px; }
main.wide { max-width: 760px; }
h1 { font-size: 22px; margin: 0 0 4px; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 28px 0 10px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.center { text-align: center; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; min-height: 40px; }
.brand { font-weight: 700; letter-spacing: .06em; font-size: 15px; }
.link { background: none; border: 0; padding: 8px 0; color: var(--muted); font: inherit; font-size: 14px; cursor: pointer; }
.link:hover { color: var(--ink); }
.back { margin: -4px 0 12px; }

.balance { padding: 8px 0 4px; }
.balance .num { font-size: 48px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.05; }
.balance .unit { font-size: 18px; color: var(--muted); margin-left: 6px; }

.btn {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%;
  padding: 15px 16px; margin: 0 0 10px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font: inherit; font-weight: 550; text-align: left; cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.center { justify-content: center; }
.btn:disabled { opacity: .5; cursor: default; }
.btn .side { font-weight: 500; opacity: .8; white-space: nowrap; }
.row-btns { display: flex; gap: 10px; }
.row-btns .btn { margin: 0; justify-content: center; }
.badge { background: var(--bad); color: #fff; border-radius: 99px; font-size: 13px; padding: 1px 8px; }

.list { border-top: 1px solid var(--line); }
.item { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.item .right { text-align: right; white-space: nowrap; }
.item .title { font-weight: 550; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 0 0 12px; }
.card .head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.card .kind { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.card dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 8px 0 12px; font-size: 15px; }
.card dt { color: var(--muted); }
.card dd { margin: 0; overflow-wrap: anywhere; }
.flag { font-size: 14px; padding: 6px 10px; border-radius: 10px; margin: 0 0 10px; background: var(--soft); }
.flag.ok { color: var(--ok); } .flag.warn { color: var(--warn); } .flag.bad { color: var(--bad); }

label { display: block; font-size: 14px; color: var(--muted); margin: 14px 0 6px; }
input, select, textarea {
  width: 100%; padding: 13px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); font: inherit;
}
textarea { min-height: 84px; resize: vertical; }
input[type="file"] { padding: 11px; }
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); font-size: 15px; margin: 16px 0; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; }
.seg { display: flex; gap: 8px; flex-wrap: wrap; }
.seg .btn { width: auto; flex: 1 1 0; justify-content: center; margin: 0; padding: 12px; }
.seg .btn.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
details { margin: 8px 0 4px; font-size: 14px; color: var(--muted); }
details summary { cursor: pointer; padding: 6px 0; }
details ol, details ul { padding-left: 20px; margin: 6px 0; }
details li { margin: 4px 0; }
.error { color: var(--bad); font-size: 15px; margin: 10px 0; }
.note { color: var(--ok); font-size: 15px; margin: 10px 0; }
.progress { height: 6px; background: var(--soft); border-radius: 99px; overflow: hidden; margin: 10px 0; }
.progress > div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
video { width: 100%; max-height: 420px; border-radius: 10px; background: #000; margin: 6px 0; }

.msgs { display: flex; flex-direction: column; gap: 8px; margin: 0 0 14px; }
.msg { max-width: 85%; padding: 10px 12px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.me { align-self: flex-end; background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.msg time { display: block; font-size: 12px; opacity: .65; margin-top: 2px; }

.tabs { display: flex; gap: 6px; margin: 0 0 18px; border-bottom: 1px solid var(--line); }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 10px 8px; font: inherit; color: var(--muted); cursor: pointer; }
.tabs button.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

.sheet { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin: 12px 0; }
.sheet .qr { border: 1px dashed var(--line); border-radius: 10px; padding: 10px; text-align: center; font: 600 13px/1.3 ui-monospace, Menlo, monospace; background: #fff; color: #000; }
.sheet .qr img { width: 100%; height: auto; display: block; }

@media print {
  body { background: #fff; }
  main > *:not(.print) { display: none !important; }
  .print > *:not(.sheet) { display: none !important; }
  .sheet { grid-template-columns: repeat(4, 1fr); }
  .sheet .qr { break-inside: avoid; }
}
.mt { margin-top: 16px; }
.mt8 { margin-top: 8px; }

a.btn { text-decoration: none; }
.seg .btn.small { flex: 0 1 auto; font-size: 14px; padding: 8px 10px; font-weight: 500; }