:root {
  --bg: #f6f5f1; --surface: #ffffff; --surface2: #efede6; --text: #1b1a17; --muted: #6d6a62;
  --line: #e2dfd5; --accent: #2f5bff; --accent-ink: #ffffff; --ok: #22874f; --danger: #d23f3f;
  --radius: 18px; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121211; --surface: #1b1b19; --surface2: #252522; --text: #f0eee8; --muted: #9b978c;
    --line: #2f2e2a; --accent: #6b8cff; --accent-ink: #0d0d0c; --shadow: none;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }

header.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.logo { font-weight: 700; font-size: 18px; letter-spacing: -.2px; text-decoration: none; color: var(--text); }
.logo span { color: var(--accent); }
.btn { display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 12px; padding: 12px 18px;
  font: 600 15px/1 inherit; font-family: inherit; background: var(--accent); color: var(--accent-ink);
  text-decoration: none; cursor: pointer; }
.btn.ghost { background: var(--surface2); color: var(--text); }
.btn.small { padding: 8px 12px; font-size: 13px; border-radius: 10px; }
.btn.danger { background: transparent; color: var(--danger); padding: 6px 8px; }
.btn:disabled { opacity: .5; cursor: default; }

/* ---- лендинг */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding: 48px 0 72px; }
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.05; letter-spacing: -1.5px; margin: 0 0 20px; }
.hero p { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 520px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.phone { justify-self: center; width: 300px; border-radius: 40px; padding: 14px; background: var(--text);
  box-shadow: 0 30px 60px rgba(0,0,0,.18); }
.phone .screen { background: var(--surface2); border-radius: 28px; padding: 16px; min-height: 480px; }
.mini-card { border-radius: 20px; padding: 18px; color: #fff; background: linear-gradient(135deg, #1f2a44, #2f6bff 60%, #7a5cff); }
.mini-card .b { font-size: 40px; font-weight: 700; margin-top: 30px; }
.mini-qr { margin: 14px auto 0; width: 150px; height: 150px; border-radius: 14px; background: #fff; padding: 8px; }
.mini-qr img, .mini-qr canvas { width: 100%; height: 100%; }
.mini-code { text-align: center; font: 700 26px ui-monospace, Menlo, monospace; letter-spacing: 5px; margin-top: 12px; }

section.block { padding: 56px 0; border-top: 1px solid var(--line); }
section.block h2 { font-size: 32px; letter-spacing: -.6px; margin: 0 0 8px; }
section.block > .wrap > p.lead { color: var(--muted); margin: 0 0 32px; max-width: 640px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.tile { background: var(--surface); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.tile .n { font-size: 13px; color: var(--muted); font-weight: 600; }
.tile h3 { margin: 6px 0 6px; font-size: 18px; }
.tile p { margin: 0; color: var(--muted); font-size: 15px; }
.level .pct { font-size: 44px; font-weight: 700; letter-spacing: -1px; }
.level.top { background: var(--text); color: var(--bg); }
.level.top p, .level.top .n { color: inherit; opacity: .7; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.fact b { display: block; font-size: 28px; letter-spacing: -.5px; }
.cta { background: var(--accent); color: var(--accent-ink); border-radius: 28px; padding: 40px; display: flex;
  align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta h2 { margin: 0; font-size: 28px; }
.cta .btn { background: var(--accent-ink); color: var(--accent); }
footer { padding: 32px 0 48px; color: var(--muted); font-size: 14px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 16px; }
  .phone { width: 260px; }
  .cta { padding: 28px; }
}

/* ---- админка */
.admin { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding-bottom: 48px; }
.side { position: sticky; top: 16px; align-self: start; display: flex; flex-direction: column; gap: 4px; }
.side button { text-align: left; border: 0; background: none; padding: 10px 12px; border-radius: 10px;
  font: inherit; color: var(--text); cursor: pointer; }
.side button.active { background: var(--surface); box-shadow: var(--shadow); font-weight: 600; }
.panel { background: var(--surface); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin-bottom: 16px; }
.panel h2 { margin: 0 0 4px; font-size: 22px; }
.panel h3 { margin: 24px 0 8px; font-size: 16px; }
.panel .hint { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px 20px; }
label.f { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
label.f small { color: var(--muted); font-size: 12px; }
label.check { flex-direction: row; align-items: flex-start; gap: 10px; }
label.check input { width: auto; margin-top: 3px; }
input, textarea, select { font: inherit; color: var(--text); background: var(--surface2); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; width: 100%; outline: none; }
input:focus, textarea:focus { border-color: var(--accent); }
textarea { min-height: 80px; resize: vertical; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px; border-bottom: 1px solid var(--line); }
td { padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--surface2); }
.table-wrap { overflow-x: auto; }
.levels-edit .row { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr auto; gap: 8px; margin-bottom: 8px; }
.lines-edit .row { display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 8px; margin-bottom: 8px; }
.lines-edit .row { grid-template-columns: 120px 1fr auto; align-items: center; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: var(--surface2); border-radius: 14px; padding: 16px; }
.stat b { display: block; font-size: 26px; letter-spacing: -.5px; }
.stat span { color: var(--muted); font-size: 13px; }
.plus { color: var(--ok); } .minus { color: var(--danger); }
.bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.bar input { max-width: 320px; }
.save-bar { position: sticky; bottom: 0; background: var(--bg); padding: 12px 0; display: flex; gap: 12px; align-items: center; }
.login { max-width: 420px; margin: 12vh auto; }
.toast { position: fixed; right: 16px; bottom: 16px; background: var(--text); color: var(--bg); padding: 12px 16px;
  border-radius: 12px; z-index: 10; }
dialog { border: 0; border-radius: var(--radius); padding: 24px; width: min(720px, calc(100% - 32px));
  background: var(--surface); color: var(--text); box-shadow: 0 30px 80px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(0,0,0,.4); }
@media (max-width: 820px) {
  .admin { grid-template-columns: 1fr; }
  .side { position: static; flex-direction: row; overflow-x: auto; }
  .side button { white-space: nowrap; }
  .levels-edit .row { grid-template-columns: 1fr 1fr; }
}