:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #1c1f23;
  --muted: #6b7280;
  --accent: #2563eb;
  --danger: #b91c1c;
  --ok: #15803d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body.centered {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 20px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 600; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; gap: 14px; flex: 1; }
.topbar a { color: var(--muted); text-decoration: none; }
.topbar a:hover { color: var(--accent); }
.logout { display: flex; align-items: center; gap: 10px; color: var(--muted); }

main { padding: 24px; max-width: 1200px; margin: 0 auto; }

h1 { font-size: 22px; margin: 0 0 18px; }
h2 { font-size: 17px; margin: 24px 0 12px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 18px;
}

.login { width: 320px; display: flex; flex-direction: column; gap: 14px; }
.login h1 { text-align: center; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
textarea { min-height: 120px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }

button {
  padding: 8px 14px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}
button.secondary { background: #fff; color: var(--text); border-color: var(--border); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.tile .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.tile .value { font-size: 24px; font-weight: 600; margin-top: 6px; }
.tile .value.ok { color: var(--ok); }
.tile .value.warn { color: var(--danger); }

table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }

.flash { padding: 10px 14px; border-radius: 6px; background: #ecfdf5; color: var(--ok); margin-bottom: 16px; }
.flash.error { background: #fef2f2; color: var(--danger); }

.tag { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; background: #eef2ff; color: #3730a3; }
.tag.warn { background: #fef3c7; color: #92400e; }
.tag.ok { background: #dcfce7; color: #166534; }
.tag.muted { background: #f3f4f6; color: var(--muted); }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.page-head h1 { margin: 0; }

.tree { display: flex; flex-direction: column; gap: 10px; }

.branch {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.branch > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.branch > summary::-webkit-details-marker { display: none; }
.branch > summary::before {
  content: "▸";
  color: var(--muted);
  font-size: 12px;
  transition: transform .15s;
}
.branch[open] > summary::before { transform: rotate(90deg); }
.branch > summary:hover { background: #f8fafc; }
.branch-counts { margin-left: auto; font-weight: 400; font-size: 13px; color: var(--muted); }

.branch-body { padding: 0 16px 14px 34px; }
.branch.level-1 { border: 0; border-top: 1px solid var(--border); border-radius: 0; margin-top: 8px; }
.branch.level-1 > summary { font-weight: 500; font-size: 14px; padding: 10px 0; }
.branch.level-1 > summary:hover { background: transparent; color: var(--accent); }
.branch.level-1 .branch-body { padding: 0 0 8px 18px; }

.branch-actions { display: flex; gap: 8px; align-items: center; margin: 4px 0 10px; flex-wrap: wrap; }
.branch-actions form { display: inline; }
.branch-actions button { padding: 4px 10px; font-size: 13px; }

.leaf {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 6px;
  background: #fff;
}
.leaf.dim { opacity: .55; }
.leaf-main { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.leaf-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.leaf-meta { display: flex; gap: 14px; align-items: center; font-size: 13px; white-space: nowrap; }
.leaf-actions { display: flex; gap: 8px; }
.leaf-actions button, .leaf-actions .button-link { padding: 4px 10px; font-size: 13px; }

.price { font-variant-numeric: tabular-nums; font-weight: 600; }
.stock { color: var(--muted); font-variant-numeric: tabular-nums; }
.stock.low { color: #92400e; }
.stock.zero { color: var(--danger); }

.button-link {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
  background: #fff;
}
.button-link:hover { border-color: var(--accent); color: var(--accent); }

.link-button {
  background: none;
  border: 0;
  color: var(--muted);
  padding: 4px 2px;
  cursor: pointer;
  font-size: 13px;
  text-decoration: underline;
}
.link-button:hover { color: var(--accent); }
.link-button.danger-link:hover { color: var(--danger); }

.empty { color: var(--muted); padding: 8px 0; margin: 0; }
.stat-list { list-style: none; padding: 0; margin: 0 0 16px; }
.stat-list li {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.stat-list li:last-child { border-bottom: 0; }
.stat-list span { color: var(--muted); }
.stat-list b { font-variant-numeric: tabular-nums; }

.bulk-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px 10px 0 0;
  border-bottom: 0;
  flex-wrap: wrap;
}
.bulk-actions { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.bulk-actions button { padding: 5px 12px; font-size: 13px; }
.bulk-bar + .table-wrap { border-radius: 0 0 10px 10px; }

.inline-check { display: flex; align-items: center; gap: 7px; margin: 0; font-size: 14px; color: var(--text); }
.inline-check input { width: auto; margin: 0; }
.check-col { width: 36px; }
.check-col input { width: auto; margin: 0; }
.check-col input:disabled { cursor: not-allowed; opacity: .35; }

.inline-row { display: flex; gap: 8px; align-items: center; }
.inline-row select { flex: 1; }

tr.dim td { opacity: .55; }

.danger-zone { border-color: #fecaca; }
.danger-zone h2 { margin-top: 0; }
.danger-zone form { margin-top: 12px; }

.warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  border-radius: 8px;
  padding: 10px 14px;
  margin: 4px 0 12px;
  font-size: 14px;
}

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

.link-back { color: var(--muted); text-decoration: none; font-size: 14px; }
.link-back:hover { color: var(--accent); }

.tabs { display: flex; gap: 10px; margin: 20px 0 16px; flex-wrap: wrap; }
.tabs a {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  text-decoration: none;
  color: var(--muted);
  background: var(--surface);
  font-size: 14px;
}
.tabs a.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tabs a .count { opacity: .7; margin-left: 4px; }

td.actions { display: flex; align-items: center; gap: 10px; }
td.actions form { display: inline; }
td.actions button { padding: 4px 10px; font-size: 13px; }
.inline-form { display: inline-block; margin-bottom: 12px; }

tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #f8fafc; }

button.danger { background: #fff; color: var(--danger); border-color: #fecaca; }
button.danger:hover { background: #fef2f2; }

dialog {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  width: min(560px, calc(100vw - 32px));
  color: var(--text);
  box-shadow: 0 20px 50px rgba(15, 23, 42, .18);
}
dialog::backdrop { background: rgba(15, 23, 42, .45); }
dialog h2 { margin-top: 0; }
dialog menu { display: flex; gap: 8px; justify-content: flex-end; padding: 0; margin: 18px 0 0; flex-wrap: wrap; }

.facts { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; margin: 0 0 18px; font-size: 14px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

.small { font-size: 13px; }

.filters { display: flex; gap: 10px; align-items: end; margin-bottom: 16px; flex-wrap: wrap; }
.filters label { margin-bottom: 0; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > * { flex: 1 1 260px; }
.muted { color: var(--muted); }
code { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }

.chat { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.bubble { max-width: min(620px, 90%); padding: 10px 14px; border-radius: 14px; border: 1px solid var(--line); }
.bubble.in { align-self: flex-start; background: #fff; border-bottom-left-radius: 4px; }
.bubble.out { align-self: flex-end; background: #eff6ff; border-color: #bfdbfe; border-bottom-right-radius: 4px; }
.bubble .body { white-space: pre-wrap; word-break: break-word; }
.bubble .meta { margin-top: 6px; }

.period-bar { display: flex; gap: 24px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 20px; }
.period-bar form { margin: 0; }
.period-bar label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.period-quick select { min-width: 180px; margin: 0; }
.range-inputs { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.range-inputs input[type="date"] { width: 165px; margin: 0; }
.range-inputs .dash { color: var(--muted); }
.range-inputs .reset { font-size: 13px; }

.tabs.sorts { margin-top: -6px; }
.tabs.sorts a { padding: 5px 12px; font-size: 13px; border-radius: 14px; }
.tabs a.active .muted { color: rgba(255, 255, 255, .75); }

/* иконки набора: SVG подключается маской, поэтому цвет берётся от текста, а не из файла */
.ic {
  display: inline-block;
  width: 18px;
  height: 18px;
  vertical-align: -4px;
  margin-right: 6px;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.topbar nav a { display: inline-flex; align-items: center; }
.topbar nav .ic { width: 16px; height: 16px; margin-right: 5px; }

.ic-catalog { -webkit-mask-image: url(/static/icons/01-catalog.svg); mask-image: url(/static/icons/01-catalog.svg); }
.ic-purchases { -webkit-mask-image: url(/static/icons/02-purchases.svg); mask-image: url(/static/icons/02-purchases.svg); }
.ic-proxies { -webkit-mask-image: url(/static/icons/03-proxies.svg); mask-image: url(/static/icons/03-proxies.svg); }
.ic-profile { -webkit-mask-image: url(/static/icons/04-profile.svg); mask-image: url(/static/icons/04-profile.svg); }
.ic-faq { -webkit-mask-image: url(/static/icons/05-faq.svg); mask-image: url(/static/icons/05-faq.svg); }
.ic-topup { -webkit-mask-image: url(/static/icons/06-topup.svg); mask-image: url(/static/icons/06-topup.svg); }
.ic-settings { -webkit-mask-image: url(/static/icons/07-settings.svg); mask-image: url(/static/icons/07-settings.svg); }
.ic-menu { -webkit-mask-image: url(/static/icons/08-menu.svg); mask-image: url(/static/icons/08-menu.svg); }
.ic-balance { -webkit-mask-image: url(/static/icons/09-balance.svg); mask-image: url(/static/icons/09-balance.svg); }
.ic-price { -webkit-mask-image: url(/static/icons/10-price.svg); mask-image: url(/static/icons/10-price.svg); }
.ic-promo { -webkit-mask-image: url(/static/icons/11-promo.svg); mask-image: url(/static/icons/11-promo.svg); }
.ic-receipt { -webkit-mask-image: url(/static/icons/12-receipt.svg); mask-image: url(/static/icons/12-receipt.svg); }
.ic-cart { -webkit-mask-image: url(/static/icons/13-cart.svg); mask-image: url(/static/icons/13-cart.svg); }
.ic-delivered { -webkit-mask-image: url(/static/icons/14-delivered.svg); mask-image: url(/static/icons/14-delivered.svg); }
.ic-notify { -webkit-mask-image: url(/static/icons/15-notify.svg); mask-image: url(/static/icons/15-notify.svg); }
.ic-request { -webkit-mask-image: url(/static/icons/16-request.svg); mask-image: url(/static/icons/16-request.svg); }
.ic-product { -webkit-mask-image: url(/static/icons/17-product.svg); mask-image: url(/static/icons/17-product.svg); }
.ic-renew { -webkit-mask-image: url(/static/icons/18-renew.svg); mask-image: url(/static/icons/18-renew.svg); }
.ic-autorenew-on { -webkit-mask-image: url(/static/icons/19-autorenew-on.svg); mask-image: url(/static/icons/19-autorenew-on.svg); }
.ic-autorenew-off { -webkit-mask-image: url(/static/icons/20-autorenew-off.svg); mask-image: url(/static/icons/20-autorenew-off.svg); }
.ic-warranty { -webkit-mask-image: url(/static/icons/21-warranty.svg); mask-image: url(/static/icons/21-warranty.svg); }
.ic-chat { -webkit-mask-image: url(/static/icons/22-chat.svg); mask-image: url(/static/icons/22-chat.svg); }
.ic-new-ticket { -webkit-mask-image: url(/static/icons/23-new-ticket.svg); mask-image: url(/static/icons/23-new-ticket.svg); }
.ic-support { -webkit-mask-image: url(/static/icons/24-support.svg); mask-image: url(/static/icons/24-support.svg); }
.ic-hello { -webkit-mask-image: url(/static/icons/25-hello.svg); mask-image: url(/static/icons/25-hello.svg); }
.ic-stats { -webkit-mask-image: url(/static/icons/26-stats.svg); mask-image: url(/static/icons/26-stats.svg); }
.bulk-actions .cost-input { width: 140px; padding: 5px 10px; font-size: 13px; }
.form-toast {
  position: sticky; bottom: 0; margin: 16px 0 0; padding: 10px 14px; border-radius: 6px;
  background: #fef2f2; color: var(--danger); border: 1px solid #fecaca;
  box-shadow: 0 4px 14px rgba(15, 23, 42, .12); z-index: 1;
}
textarea.invalid, input.invalid { border-color: var(--danger); box-shadow: 0 0 0 2px #fecaca; }