/* ===========================================================================
   Обход — UI system
   Pixel-stepped edges sitting on frosted glass. Everything is drawn with CSS:
   no image files, no web fonts, so the page makes no third-party requests.
   =========================================================================== */

:root {
  --bg: #05060d;
  --glass: rgba(20, 24, 42, 0.55);
  --glass-2: rgba(30, 35, 60, 0.62);
  --glass-hi: rgba(255, 255, 255, 0.06);
  --line: rgba(140, 170, 255, 0.16);
  --line-2: rgba(140, 170, 255, 0.30);
  --text: #e9ecff;
  --muted: #8f9ac4;
  --accent: #5eead4;
  --accent-2: #a78bfa;
  --accent-3: #f0abfc;
  --good: #4ade80;
  --bad: #fb7185;
  --warn: #fbbf24;

  /* 8px steps: the "pixel" in the pixel-art edge. */
  --notch: 8px;
  --notch-sm: 6px;

  --clip: polygon(
    0 var(--notch), 4px var(--notch), 4px 4px, var(--notch) 4px, var(--notch) 0,
    calc(100% - var(--notch)) 0, calc(100% - var(--notch)) 4px,
    calc(100% - 4px) 4px, calc(100% - 4px) var(--notch), 100% var(--notch),
    100% calc(100% - var(--notch)), calc(100% - 4px) calc(100% - var(--notch)),
    calc(100% - 4px) calc(100% - 4px), calc(100% - var(--notch)) calc(100% - 4px),
    calc(100% - var(--notch)) 100%,
    var(--notch) 100%, var(--notch) calc(100% - 4px), 4px calc(100% - 4px),
    4px calc(100% - var(--notch)), 0 calc(100% - var(--notch))
  );

  --clip-sm: polygon(
    0 var(--notch-sm), 3px var(--notch-sm), 3px 3px, var(--notch-sm) 3px, var(--notch-sm) 0,
    calc(100% - var(--notch-sm)) 0, calc(100% - var(--notch-sm)) 3px,
    calc(100% - 3px) 3px, calc(100% - 3px) var(--notch-sm), 100% var(--notch-sm),
    100% calc(100% - var(--notch-sm)), calc(100% - 3px) calc(100% - var(--notch-sm)),
    calc(100% - 3px) calc(100% - 3px), calc(100% - var(--notch-sm)) calc(100% - 3px),
    calc(100% - var(--notch-sm)) 100%,
    var(--notch-sm) 100%, var(--notch-sm) calc(100% - 3px), 3px calc(100% - 3px),
    3px calc(100% - var(--notch-sm)), 0 calc(100% - var(--notch-sm))
  );
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  min-height: 100vh;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  background:
    radial-gradient(1100px 560px at 50% -12%, rgba(167, 139, 250, 0.20), transparent 62%),
    radial-gradient(900px 520px at 8% 108%, rgba(94, 234, 212, 0.13), transparent 60%),
    radial-gradient(700px 420px at 96% 88%, rgba(240, 171, 252, 0.10), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}

/* Faint pixel grid, the cheapest way to make a flat page feel engineered. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(140, 170, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 170, 255, 0.045) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Type ────────────────────────────────────────────────────────────────── */

h1, h2, h3, .brand, .mono {
  font-family: ui-monospace, "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  letter-spacing: 0.4px;
}

h1 { font-size: 24px; line-height: 1.2; margin-bottom: 6px; }
h2 { font-size: 14px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--text); margin-bottom: 14px; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--muted); margin-bottom: 10px; }

.sub { color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
.right { text-align: right; }

.gradient-text {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 55%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── Surfaces ────────────────────────────────────────────────────────────── */

.card, .panel, .modal {
  position: relative;
  z-index: 1;
  background: var(--glass);
  border: 1px solid var(--line);
  clip-path: var(--clip);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  box-shadow:
    inset 0 1px 0 var(--glass-hi),
    0 10px 34px rgba(0, 0, 0, 0.45);
  padding: 20px;
  margin-bottom: 18px;
}

.card::after, .panel::after {
  /* Hairline highlight along the top edge, sells the glass. */
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  pointer-events: none;
}

.wrap { position: relative; z-index: 1; max-width: 1040px; margin: 0 auto; padding: 28px 22px 64px; }
.wrap.narrow { max-width: 430px; }
.wrap.wide { max-width: 1280px; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 6px; }
.hidden { display: none !important; }

/* ── Top bar ─────────────────────────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 22px;
  background: rgba(10, 12, 24, 0.72);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
}

.topbar nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); font-size: 13px; }
.topbar nav a:hover { color: var(--accent); text-decoration: none; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
}

/* The mark: two offset pixel blocks. Pure CSS, no image. */
.brand::before {
  content: '';
  width: 14px;
  height: 14px;
  flex: none;
  background:
    linear-gradient(var(--accent), var(--accent)) 0 0 / 8px 8px no-repeat,
    linear-gradient(var(--accent-2), var(--accent-2)) 6px 6px / 8px 8px no-repeat;
  filter: drop-shadow(0 0 6px rgba(94, 234, 212, 0.55));
}

/* ── Controls ────────────────────────────────────────────────────────────── */

label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  color: var(--muted);
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 12px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  background: rgba(12, 15, 30, 0.66);
  border: 1px solid var(--line);
  clip-path: var(--clip-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.14);
}

input::placeholder { color: rgba(143, 154, 196, 0.65); }

button {
  position: relative;
  padding: 10px 16px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  background: var(--glass-2);
  border: 1px solid var(--line-2);
  clip-path: var(--clip-sm);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

button:hover { border-color: var(--accent); box-shadow: 0 0 18px rgba(94, 234, 212, 0.18); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: default; box-shadow: none; transform: none; }

button.primary {
  color: #04141a;
  background: linear-gradient(100deg, var(--accent), #7dd3fc);
  border-color: transparent;
}

button.primary:hover { box-shadow: 0 0 24px rgba(94, 234, 212, 0.4); }

button.ghost { background: transparent; }
button.small { padding: 6px 12px; font-size: 12px; }

button.link {
  background: none;
  border: none;
  clip-path: none;
  padding: 0;
  color: var(--muted);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

button.link:hover { color: var(--accent); box-shadow: none; }

/* ── Language switch ─────────────────────────────────────────────────────── */

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line-2);
  clip-path: var(--clip-sm);
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  clip-path: none;
  border-radius: 0;
  padding: 5px 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  cursor: pointer;
}

.lang-btn:hover { color: var(--text); box-shadow: none; }
.lang-btn.is-active { background: linear-gradient(100deg, var(--accent), #7dd3fc); color: #04141a; }

/* ── Pills, stats, messages ──────────────────────────────────────────────── */

.pill {
  display: inline-block;
  padding: 3px 9px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  clip-path: var(--clip-sm);
  border: 1px solid transparent;
}

.pill.active, .pill.finished { background: rgba(74, 222, 128, 0.14); color: var(--good); border-color: rgba(74, 222, 128, 0.35); }
.pill.inactive, .pill.failed, .pill.expired, .pill.refunded, .pill.cancelled { background: rgba(251, 113, 133, 0.14); color: var(--bad); border-color: rgba(251, 113, 133, 0.35); }
.pill.pending, .pill.waiting, .pill.confirming, .pill.confirmed, .pill.sending, .pill.partially_paid { background: rgba(251, 191, 36, 0.14); color: var(--warn); border-color: rgba(251, 191, 36, 0.35); }
.pill.unverified { background: rgba(251, 191, 36, 0.10); color: var(--warn); border: 1px dashed rgba(251, 191, 36, 0.6); }
.pill.suspended { background: rgba(251, 113, 133, 0.14); color: var(--bad); border-color: rgba(251, 113, 133, 0.35); }

.stat { padding: 14px 16px; text-align: left; }
.stat .n { font-family: ui-monospace, Consolas, monospace; font-size: 34px; font-weight: 700; line-height: 1.05; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 10px; text-transform: uppercase; letter-spacing: 1.3px; color: var(--muted); margin-top: 4px; }

.msg { padding: 10px 13px; font-size: 13px; clip-path: var(--clip-sm); margin-bottom: 14px; border: 1px solid; }
.msg.error { background: rgba(251, 113, 133, 0.12); border-color: rgba(251, 113, 133, 0.4); color: #ffc0cb; }
.msg.ok { background: rgba(74, 222, 128, 0.12); border-color: rgba(74, 222, 128, 0.4); color: #b7f7cd; }
.msg.warn { background: rgba(251, 191, 36, 0.12); border-color: rgba(251, 191, 36, 0.45); color: #ffe6a8; }

/* ── Tables ──────────────────────────────────────────────────────────────── */

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px; text-align: left; border-bottom: 1px solid var(--line); }
th { font-size: 10px; text-transform: uppercase; letter-spacing: 1.1px; color: var(--muted); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable:hover { background: rgba(140, 170, 255, 0.07); cursor: pointer; }
tr.suspended-row { opacity: 0.72; }
tr.suspended-row td:first-child { box-shadow: inset 3px 0 0 var(--bad); }

/* ── Timeline ────────────────────────────────────────────────────────────── */

.timeline { list-style: none; }
.timeline li { display: flex; gap: 14px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.timeline li:last-child { border-bottom: none; }
.timeline .when { flex: none; width: 148px; color: var(--muted); font-family: ui-monospace, Consolas, monospace; font-size: 12px; }

/* ── Landing ─────────────────────────────────────────────────────────────── */

.hero { padding: 68px 0 44px; text-align: center; }

.hero .eyebrow {
  display: inline-block;
  padding: 5px 12px;
  margin-bottom: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(94, 234, 212, 0.10);
  border: 1px solid rgba(94, 234, 212, 0.34);
  clip-path: var(--clip-sm);
}

.hero h1 { font-size: 46px; line-height: 1.1; margin-bottom: 16px; }
.hero .lead { max-width: 620px; margin: 0 auto 28px; font-size: 16px; color: var(--muted); }
.hero .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .cta button { padding: 13px 26px; font-size: 14px; }

.feature { padding: 22px; }
.feature .icon {
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  clip-path: var(--clip-sm);
  box-shadow: 0 0 22px rgba(94, 234, 212, 0.32);
}
.feature h3 { color: var(--text); }
.feature p { color: var(--muted); font-size: 13px; }

.steps { counter-reset: step; }
.step { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.step:last-child { border-bottom: none; }
.step .num {
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-family: ui-monospace, Consolas, monospace;
  font-weight: 700;
  color: #04141a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  clip-path: var(--clip-sm);
}
.step .body strong { display: block; margin-bottom: 2px; }
.step .body span { color: var(--muted); font-size: 13px; }

.price-tag {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  margin: 6px 0 4px;
}

.check-list { list-style: none; }
.check-list li { padding: 7px 0 7px 26px; position: relative; color: var(--muted); font-size: 13px; }
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 10px;
  height: 10px;
  background: var(--accent);
  clip-path: polygon(0 0, 50% 0, 50% 50%, 100% 50%, 100% 100%, 50% 100%, 50% 50%, 0 50%);
}

.footer { padding: 36px 0 12px; text-align: center; color: var(--muted); font-size: 12px; }

/* ── Detail drawer (admin) ───────────────────────────────────────────────── */

.backdrop { position: fixed; inset: 0; background: rgba(2, 3, 8, 0.66); z-index: 30; -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 31;
  width: min(540px, 100%);
  overflow-y: auto;
  padding: 24px;
  background: rgba(14, 17, 32, 0.92);
  border-left: 1px solid var(--line-2);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.locked { max-width: 460px; margin: 18vh auto 0; padding: 34px; text-align: center; }
.locked h1 { font-size: 20px; }

.bar { height: 6px; background: rgba(140, 170, 255, 0.14); clip-path: var(--clip-sm); overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

@media (max-width: 720px) {
  .hero h1 { font-size: 32px; }
  .hero .lead { font-size: 14px; }
  .timeline .when { width: 108px; font-size: 11px; }
  .wrap { padding: 20px 14px 48px; }
  .topbar { padding: 10px 14px; }
}