:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-2: #f1f3f5;
  --border: #e2e5e9;
  --text: #15171a;
  --muted: #677180;
  --primary: #17191e;
  --primary-hover: #2c2f36;
  --on-primary: #ffffff;
  --accent: #2459d8;
  --accent-soft: #e9effd;
  --ok: #1a7a3a;
  --ok-soft: #e6f4ea;
  --warn: #8a5a00;
  --warn-soft: #fff5dc;
  --danger: #b3261e;
  --danger-soft: #fdeceb;
  --meter: #2f8a4a;
  --meter-track: #e7eaee;
  --code-bg: #f3f4f6;
  --shadow: 0 1px 2px rgb(16 24 40 / 5%);
  --radius: 12px;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f1115;
    --panel: #171a20;
    --panel-2: #1f232b;
    --border: #2b3039;
    --text: #e8eaed;
    --muted: #9aa3ae;
    --primary: #e8eaed;
    --primary-hover: #ffffff;
    --on-primary: #111318;
    --accent: #7ea2ff;
    --accent-soft: #1d2848;
    --ok: #62cf8f;
    --ok-soft: #15301f;
    --warn: #f0b451;
    --warn-soft: #3a2c10;
    --danger: #ff8a80;
    --danger-soft: #3b1d1c;
    --meter: #4fc27d;
    --meter-track: #262b33;
    --code-bg: #12151a;
    --shadow: none;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #171a20;
  --panel-2: #1f232b;
  --border: #2b3039;
  --text: #e8eaed;
  --muted: #9aa3ae;
  --primary: #e8eaed;
  --primary-hover: #ffffff;
  --on-primary: #111318;
  --accent: #7ea2ff;
  --accent-soft: #1d2848;
  --ok: #62cf8f;
  --ok-soft: #15301f;
  --warn: #f0b451;
  --warn-soft: #3a2c10;
  --danger: #ff8a80;
  --danger-soft: #3b1d1c;
  --meter: #4fc27d;
  --meter-track: #262b33;
  --code-bg: #12151a;
  --shadow: none;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}
body { margin: 0; min-height: 100vh; background: var(--bg); }
h1 { font-size: 22px; line-height: 1.25; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0; }
p { margin: 0 0 10px; }
a { color: var(--accent); }
code, pre, .mono { font-family: var(--mono); }
svg { display: block; }

/* Шапка */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 8px 20px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  min-height: 56px;
}
.brand { font-weight: 700; font-size: 16px; white-space: nowrap; }
.tabs { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; }
.tab {
  flex: none;
  padding: 7px 12px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
.tab:hover { color: var(--text); background: var(--panel-2); }
.tab[aria-selected="true"] { color: var(--accent); background: var(--accent-soft); }
.topbar-tools { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.segmented { display: inline-flex; padding: 3px; gap: 2px; border-radius: 9px; background: var(--panel-2); }
.segmented button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 28px;
  padding: 0 8px;
  border: 0;
  border-radius: 7px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.segmented button:hover { color: var(--text); }
.segmented button[aria-pressed="true"] { background: var(--panel); color: var(--text); box-shadow: var(--shadow); }

main { max-width: 1080px; margin: 0 auto; padding: 24px 20px 48px; }
.stack > * + * { margin-top: 16px; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.grid-2-wide { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 16px; align-items: start; }

.card {
  min-width: 0;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin-bottom: 16px; }
.card-sub { margin: -10px 0 16px; color: var(--muted); font-size: 14px; }

.label { font-size: 13px; color: var(--muted); }
.hint { font-size: 13px; color: var(--muted); }
.muted { color: var(--muted); }

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.btn:hover { background: var(--panel-2); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: default; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
}
.icon-btn:hover { color: var(--text); background: var(--panel-2); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Поля */
label.field { display: block; margin-bottom: 14px; }
label.field > .label { display: block; margin-bottom: 5px; font-weight: 500; }
input, select, textarea {
  display: block;
  width: 100%;
  padding: 9px 11px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
textarea { resize: vertical; }
.row { display: flex; gap: 10px; align-items: flex-end; }
.row > * { flex: 1; min-width: 0; }
.row > .btn { flex: none; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.check input { width: auto; margin: 0; }

/* Баланс */
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 32px; }
.stat-value { margin: 2px 0 4px; font-size: 40px; font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat-value.small { font-size: 28px; }
.meter { margin-top: 22px; }
.meter-legend { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; margin-bottom: 8px; font-size: 13px; color: var(--muted); }
.meter-legend strong { color: var(--text); font-weight: 600; }
.meter-track { height: 10px; border-radius: 999px; background: var(--meter-track); overflow: hidden; }
.meter-fill { height: 100%; width: 0; border-radius: 999px; background: var(--meter); transition: width 0.4s ease; }
.meter-fill.low { background: var(--warn); }
.meter-fill.empty { background: var(--danger); }

.status { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-ok { background: var(--ok-soft); color: var(--ok); }
.status-warn { background: var(--warn-soft); color: var(--warn); }
.status-bad { background: var(--danger-soft); color: var(--danger); }

/* Ключ и копируемые значения */
.secret {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 12px;
  border-radius: 10px;
  background: var(--panel-2);
}
.secret code { flex: 1; min-width: 0; font-size: 13.5px; overflow-wrap: anywhere; }
.value-row { margin-bottom: 14px; }
.value-row:last-child { margin-bottom: 0; }
.value-row > .label { display: block; margin-bottom: 5px; }

.kv { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px 16px; align-items: center; margin: 0; }
.kv dt { color: var(--muted); font-size: 14px; }
.kv dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }
.big-amount { font-size: 26px; font-weight: 600; }

/* Домены */
.domains { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.domain {
  position: relative;
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.domain strong { display: block; margin-bottom: 4px; }
.domain code { font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }
.domain[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); }
.domain[aria-checked="true"] strong { color: var(--accent); }
.domain[aria-checked="true"]::after { content: "✓"; position: absolute; top: 12px; right: 14px; color: var(--accent); font-weight: 700; }

/* Инструкции */
.choices { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.choice {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.choice:hover { background: var(--panel-2); }
.choice[aria-pressed="true"] { border-color: var(--primary); background: var(--primary); color: var(--on-primary); }
.choice-label { margin-bottom: 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.steps { margin: 0 0 16px; padding-left: 22px; }
.steps li { margin-bottom: 6px; }
.notice { margin-bottom: 14px; padding: 10px 14px; border-radius: 10px; font-size: 14px; }
.notice-warn { background: var(--warn-soft); color: var(--warn); }
.notice-error { background: var(--danger-soft); color: var(--danger); }
.notice-ok { background: var(--ok-soft); color: var(--ok); }

.code-block { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 6px 8px 6px 14px; background: var(--panel-2); font-size: 12.5px; font-weight: 600; color: var(--muted); }
.code-block pre { margin: 0; padding: 12px 14px; background: var(--code-bg); font-size: 13px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; }
details.more { margin-top: 14px; }
details.more > summary { cursor: pointer; font-weight: 500; color: var(--accent); }
details.more[open] > summary { margin-bottom: 10px; }

/* Таблицы */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table th { font-size: 12.5px; font-weight: 600; color: var(--muted); white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table td:first-child { min-width: 130px; }
.table td .actions, .table td .status + .btn, .table td small + .btn { margin-top: 6px; }
.notice code { font-size: 13px; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table small { display: block; color: var(--muted); font-size: 12px; }
code.copyable { padding: 2px 7px; border-radius: 6px; background: var(--code-bg); font-size: 13px; cursor: pointer; white-space: nowrap; }
code.copyable:hover { background: var(--accent-soft); }
code.copyable.copied::after { content: " ✓"; color: var(--ok); }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 14px; }
.toolbar input { flex: 1 1 220px; width: auto; }

/* Вопросы */
.faq details { border-bottom: 1px solid var(--border); }
.faq details:last-child { border-bottom: 0; }
.faq summary { padding: 13px 0; font-weight: 500; cursor: pointer; }
.faq details p { margin: -2px 0 14px; color: var(--muted); }

/* Выдача (админка) */
.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.checklist { max-height: 320px; overflow: auto; margin-top: 10px; padding: 4px 0; border-top: 1px solid var(--border); }
.checklist .check { padding: 5px 2px; }
.checklist small { margin-left: auto; padding-left: 10px; color: var(--muted); font-size: 12.5px; white-space: nowrap; }
.company { margin: 10px 0 2px; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.links { margin: 0; padding: 0; list-style: none; }
.links li { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border); }
.links li:last-child { border-bottom: 0; }
.links code { flex: 1; min-width: 0; font-size: 12.5px; overflow-wrap: anywhere; }

.center-page { max-width: 520px; margin: 8vh auto 0; }
.code-block.spaced { margin-top: 10px; }
.key-hint { margin: 10px 0 0; }
.order-switch { width: auto; max-width: 220px; padding: 6px 8px; font-size: 13px; }
.chip { display: inline-flex; align-items: center; padding: 5px 11px; border-radius: 999px; background: var(--panel-2); font-size: 13px; white-space: nowrap; }
.chip-warn { background: var(--warn-soft); color: var(--warn); }
fieldset.field-group { margin: 0 0 14px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; }
fieldset.field-group legend { padding: 0 4px; font-weight: 500; }
fieldset.field-group > .check { margin-bottom: 6px; }
.placeholder { padding: 28px 12px; text-align: center; color: var(--muted); font-size: 14px; }

@media (max-width: 860px) {
  .grid-2, .grid-2-wide { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .topbar-inner { flex-wrap: wrap; padding: 8px 16px; }
  .tabs { order: 3; flex-basis: 100%; }
  main { padding: 16px 16px 40px; }
  .card { padding: 16px; }
  .stats, .domains { grid-template-columns: minmax(0, 1fr); }
  .stat-value { font-size: 32px; }
  .row { flex-wrap: wrap; }
}