:root {
  --bg: #ffffff; --surface: #ffffff; --surface-2: #f3f3f3; --border: #e2e2e2;
  --text: #000000; --muted: #5e5e5e; --primary: #000000; --primary-ink: #ffffff;
  --danger: #b42318; --danger-soft: #fee4e2; --warn: #b45309; --warn-soft: #fef3c7; --ok: #067647; --ok-soft: #dcfae6;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000; --surface: #121212; --surface-2: #1f1f1f; --border: #333333;
    --text: #ffffff; --muted: #afafaf; --primary: #ffffff; --primary-ink: #000000;
    --danger: #f97066; --danger-soft: #3d1714; --warn: #fbbf24; --warn-soft: #3a2a07; --ok: #47cd89; --ok-soft: #0f3322;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--text); }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 0 0 6px; }
h3 { font-size: 17px; margin: 0 0 4px; }
p { margin: 0 0 8px; }
.muted { color: var(--muted); } .small { font-size: 14px; }
.danger { color: var(--danger); } .ok { color: var(--ok); }

.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 24px; background: var(--bg); border-bottom: 1px solid var(--border); }
.logo-link { display: flex; align-items: center; }
.wordmark { height: 26px; width: auto; fill: var(--text); display: block; }
.hero-mark { height: 64px; margin: 0 auto 28px; }
.mark { height: 22px; width: 22px; fill: var(--text); } .mark.sm { height: 18px; width: 18px; }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a:not(.btn) { padding: 6px 12px; border-radius: 999px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px; }
.nav a:not(.btn):hover, .nav a.active { color: var(--text); background: var(--surface-2); }

.main { max-width: 1040px; margin: 0 auto; padding: 28px 24px 48px; min-height: 60vh; }
.footer { max-width: 1040px; margin: 0 auto; padding: 24px; border-top: 1px solid var(--border); display: flex;
  justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 14px; }

.hero { text-align: center; padding: 48px 0 32px; }
.hero h1 { font-size: 40px; max-width: 720px; margin: 0 auto 12px; }
.lead { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 auto 28px; }
.section { padding: 28px 0; }
.section.center, .center { text-align: center; }
.feature { padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); }
.download { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.card .download { align-items: flex-start; }

.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) {
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  .topbar { padding: 10px 14px; flex-wrap: wrap; }
  .main { padding: 18px 14px 40px; }
  .hero h1 { font-size: 30px; }
}
.stack { display: flex; flex-direction: column; gap: 14px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.end { justify-content: flex-end; margin-top: 8px; } .row.center { justify-content: center; } .row.wrap { flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card.flush { padding: 0; overflow: hidden; }
.card.narrow { max-width: 520px; margin: 0 auto; }
.ok-card { border-color: var(--ok); } .danger-card { border-color: var(--danger); background: var(--danger-soft); }
.pad { padding: 16px 20px 0; }

.btn { font: inherit; font-weight: 600; font-size: 15px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 10px 18px; border-radius: 999px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn:hover:not(:disabled) { background: var(--surface-2); }
.btn:disabled, .btn.disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.btn.primary:hover:not(:disabled) { opacity: .9; background: var(--primary); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 6px 12px; font-size: 14px; }
.btn.lg { padding: 14px 26px; font-size: 17px; }

.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; }
input[type=text], input[type=tel], input[type=number], input[type=date], input[type=file], select {
  font: inherit; font-weight: 400; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 11px 12px; width: 100%; }
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.check { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.code-input { letter-spacing: 8px; font-size: 22px; text-align: center; }

.notice { padding: 12px 14px; border-radius: 10px; background: var(--warn-soft); color: var(--warn); }
.notice.danger { background: var(--danger-soft); color: var(--danger); }
.notice.ok { background: var(--ok-soft); color: var(--ok); }
.loading, .empty { padding: 40px; text-align: center; color: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--surface-2); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--muted); }
.badge.ok { background: var(--ok-soft); color: var(--ok); } .badge.danger { background: var(--danger-soft); color: var(--danger); }
.tabs { display: flex; gap: 6px; }
.tab { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); text-decoration: none; font-size: 14px; font-weight: 600; }
.tab.active { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }

.method { display: flex; align-items: center; gap: 12px; padding: 12px; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; }
.step { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.step-num { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-weight: 700; flex: none; }
.step.done .step-num { background: var(--ok); border-color: var(--ok); color: #fff; }
.doc-row { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.doc-row:last-child { border-bottom: 0; }
.doc-title { font-weight: 600; }
.stat .label, .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.stat .value { font-size: 26px; font-weight: 700; }
.big { font-size: 34px; font-weight: 800; }
.list { margin: 0; padding-left: 20px; } .list li { margin-bottom: 6px; }

.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 50; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--surface); border-radius: var(--radius); max-width: 560px; width: 100%; padding: 22px; max-height: 90vh; overflow: auto; display: flex; flex-direction: column; gap: 12px; }
.doc-img { max-width: 100%; max-height: 70vh; border-radius: 8px; align-self: center; }
.doc-frame { width: 100%; height: 70vh; border: 0; border-radius: 8px; background: #fff; }

#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 60; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast-item { background: var(--primary); color: var(--primary-ink); padding: 12px 18px; border-radius: 10px; font-size: 15px; max-width: 90vw; }
.toast-item.error { background: var(--danger); color: #fff; }