:root {
  --bg: #f6f7fb; --surface: #fff; --text: #14161f; --muted: #6b7080; --line: #e3e5ec;
  --accent: #2563eb; --accent-text: #fff; --ok-bg: #e8f7ee; --ok: #157347; --err-bg: #fdecec; --err: #b42318;
  --warn-bg: #fff4d6; --warn: #7a5a00; --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117; --surface: #181b24; --text: #e8eaf0; --muted: #9399a8; --line: #2a2e3a;
    --accent: #4c8dff; --ok-bg: #12301f; --ok: #6fd69a; --err-bg: #3a1717; --err: #ff8a80;
    --warn-bg: #3a300f; --warn: #ffd166;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 1.2rem 0 1rem; }
h2 { font-size: 1.25rem; margin: 0; }
h3 { font-size: 1.05rem; margin: 1rem 0 .6rem; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
main.wrap { min-height: 70vh; padding-bottom: 2rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.inline { display: inline; }
[hidden] { display: none !important; }

.testbar { background: var(--warn-bg); color: var(--warn); text-align: center; font-size: .85rem; padding: 6px 16px; }
.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.logo { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--accent); color: var(--accent-text); }
.top nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.top nav a { color: var(--text); }
.top nav a.on { color: var(--accent); font-weight: 600; }
.balance { background: var(--ok-bg); color: var(--ok) !important; padding: 4px 10px; border-radius: 999px; font-weight: 600; }

.btn { display: inline-block; background: var(--accent); color: var(--accent-text); border: 0; border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; text-align: center; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.full { width: 100%; }
.btn.small { padding: 6px 12px; font-size: .9rem; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 0; }
.chip { background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 999px; padding: 4px 12px; font: inherit; font-size: .85rem; cursor: pointer; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }

.alert { padding: 12px 14px; border-radius: var(--radius); margin: 1rem 0; }
.alert.ok { background: var(--ok-bg); color: var(--ok); }
.alert.err { background: var(--err-bg); color: var(--err); }

.hero { padding: 2rem 0 1rem; }
.hero h1 { font-size: 2rem; margin: 0 0 .5rem; }
.hero p { color: var(--muted); max-width: 600px; margin: 0; }
section { margin: 1.5rem 0 2rem; }
.section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; gap: 12px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.card, .panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.panel { margin-bottom: 14px; }
.card { display: flex; flex-direction: column; gap: 6px; }
.card form, .card > .btn { margin-top: auto; }
.card-title { font-weight: 600; }
.price { font-size: 1.35rem; font-weight: 700; margin: 4px 0 8px; }
.big { font-size: 1.8rem; font-weight: 700; }
.cols { display: grid; grid-template-columns: 1fr 1.4fr; gap: 14px; align-items: start; }
.stats { margin-bottom: 14px; }

.form label { display: block; margin-bottom: 12px; font-size: .9rem; font-weight: 500; }
input, select, textarea { width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-top: 4px; }
select { width: auto; margin: 0; }
textarea { resize: vertical; font-family: ui-monospace, monospace; font-size: .85rem; }
.narrow { max-width: 420px; margin: 0 auto; }
.narrow-left { max-width: 480px; }
.qr { width: 240px; max-width: 100%; background: #fff; padding: 10px; border-radius: var(--radius); margin: 8px auto 16px; display: block; }

.table { width: 100%; border-collapse: collapse; }
.table td, .table th { padding: 10px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table th { font-size: .8rem; color: var(--muted); font-weight: 500; }
.num { text-align: right !important; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pos { color: var(--ok); } .neg { color: var(--err); }
ul.plain { list-style: none; padding: 0; margin: 0; } ul.plain li { padding: 4px 0; }

.order-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.phone { font-size: 1.4rem; font-weight: 700; margin: 12px 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-variant-numeric: tabular-nums; }
.sms { background: var(--ok-bg); border-radius: 10px; padding: 12px; margin: 10px 0; }
.code { font-size: 1.8rem; font-weight: 800; letter-spacing: 3px; color: var(--ok); word-break: break-all; }
.tag { font-size: .75rem; padding: 3px 10px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); white-space: nowrap; }
.tag-received { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.tag-waiting, .tag-pending { background: var(--warn-bg); color: var(--warn); border-color: transparent; }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 6px 14px; border-radius: 999px; color: var(--text); border: 1px solid var(--line); }
.tabs a.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.search { display: flex; gap: 8px; margin-bottom: 14px; max-width: 480px; }
.search input { margin: 0; }
.adjust { display: flex; gap: 6px; flex-wrap: wrap; }
.adjust input { width: 120px; margin: 0; padding: 6px 8px; }

.how ol { padding-left: 1.2rem; color: var(--muted); } .how li { margin: 6px 0; }
.foot { border-top: 1px solid var(--line); background: var(--surface); padding: 20px 0; text-align: center; font-size: .9rem; }
.foot p { margin: 4px 0; }

@media (max-width: 760px) {
  .cols { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.5rem; }
  .table { font-size: .9rem; }
}