/* KB прайс-лист: тёмный «КПК». Янтарь только для действий, количества и итога. */
:root {
  --bg: #13150f;
  --panel: #1b1e15;
  --panel-2: #22261a;
  --line: #2d3222;
  --line-2: #3b4130;
  --text: #dad6c1;
  --muted: #8b8d73;
  --amber: #e8a33a;
  --amber-ink: #1a1305;
  --amber-soft: rgba(232, 163, 58, 0.08);
  --rust: #d0643f;
  --readout: #0d0f09;

  --f-display: "Play", "IBM Plex Sans", system-ui, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-num: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --r-ctl: 3px;
  --r-panel: 4px;
  --gutter: 16px;
  --wrap: 1200px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.45 var(--f-body);
  min-height: 100vh;
}
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--text); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.num { font-family: var(--f-num); font-variant-numeric: tabular-nums; }

/* ---------- шапка ---------- */
.top {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 22px var(--gutter) 10px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; min-width: 0; }
.brand-mark {
  font: 700 34px/1 var(--f-display);
  letter-spacing: 0.02em;
}
.brand-sub { font: 400 19px/1.2 var(--f-display); color: var(--muted); }
.brand-date { font-size: 13px; color: var(--muted); }
.top-link {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 2px;
  white-space: nowrap;
}
.top-link:hover { color: var(--text); text-decoration: underline; }

/* ---------- вкладки ---------- */
.tabs-wrap { border-bottom: 1px solid var(--line); }
.tabs {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  position: relative;
  flex: none;
  background: none;
  border: 0;
  padding: 14px 14px 13px;
  font: 700 18px/1 var(--f-display);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--text); }
.tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 10px; right: 10px; bottom: -1px;
  height: 2px;
  background: var(--amber);
}
.tab-badge {
  font: 600 12px/1 var(--f-num);
  min-width: 20px;
  padding: 4px 5px;
  border-radius: 10px;
  background: var(--amber);
  color: var(--amber-ink);
  text-align: center;
}

/* ---------- раскладка ---------- */
.layout {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 20px var(--gutter) 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 32px;
  align-items: start;
}

/* ---------- поиск и категории ---------- */
.tools { display: grid; gap: 12px; margin-bottom: 8px; }
.search {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--r-ctl);
}
.search::placeholder { color: var(--muted); }
.search:focus { border-color: var(--amber); outline: none; }
.jump { display: flex; flex-wrap: wrap; gap: 6px; }
.jump a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-ctl);
}
.jump a:hover { color: var(--text); border-color: var(--line-2); }

.cat { margin-top: 26px; scroll-margin-top: 12px; }
.cat-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 6px;
  padding: 0 12px;
}
.cat-title { font: 700 21px/1.2 var(--f-display); margin: 0; }
.cat-path { color: var(--muted); font-weight: 500; }
.cat-count { font-size: 13px; color: var(--muted); }

/* ---------- строки товаров ---------- */
.rows { border-top: 1px solid var(--line); }
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 128px;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
}
.row.in-cart { background: var(--amber-soft); box-shadow: inset 3px 0 0 var(--amber); }
.row-name { font-weight: 500; overflow-wrap: anywhere; }
.row-meta { display: flex; flex-wrap: wrap; gap: 4px 10px; margin-top: 2px; font-size: 13px; color: var(--muted); }
.row-limit { color: var(--text); }
.row-price { font: 600 17px/1 var(--f-num); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.row-ctl { display: flex; justify-content: flex-end; }

.add {
  height: 40px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: var(--r-ctl);
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
}
.add:hover { border-color: var(--amber); color: var(--amber); }

.stepper {
  display: inline-grid;
  grid-template-columns: 36px 48px 36px;
  height: 40px;
  border: 1px solid var(--amber);
  border-radius: var(--r-ctl);
  overflow: hidden;
}
.stepper button {
  background: transparent;
  border: 0;
  color: var(--amber);
  font: 600 20px/1 var(--f-num);
}
.stepper button:hover:not(:disabled) { background: var(--amber-soft); }
.stepper button:disabled { color: var(--line-2); cursor: not-allowed; }
.stepper input {
  width: 100%;
  border: 0;
  border-left: 1px solid var(--line-2);
  border-right: 1px solid var(--line-2);
  background: transparent;
  text-align: center;
  font: 600 16px/1 var(--f-num);
  color: var(--amber);
  -moz-appearance: textfield;
  appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper input:focus { outline: none; background: var(--amber-soft); }
.stepper.small { grid-template-columns: 28px 36px 28px; height: 30px; }
.stepper.small button { font-size: 16px; }
.stepper.small input { font-size: 14px; }

.empty {
  padding: 40px 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.empty strong { color: var(--text); font-weight: 500; }

/* ---------- корзина ---------- */
.cart {
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
}
.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--line);
}
.cart-title { font: 700 21px/1.2 var(--f-display); margin: 0; }
.link-btn {
  background: none;
  border: 0;
  padding: 4px 0;
  color: var(--muted);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.link-btn:hover { color: var(--text); }
.cart-close { display: none; }
.cart-head-btns { display: flex; gap: 16px; }
.cart-body { overflow-y: auto; padding: 4px 16px 8px; flex: 1 1 auto; min-height: 60px; }
.cart-empty { color: var(--muted); font-size: 15px; padding: 18px 0; margin: 0; }
.cart-group { padding: 10px 0 8px; border-bottom: 1px solid var(--line); }
.cart-group:last-child { border-bottom: 0; }
.cart-group-title { font: 400 15px/1.2 var(--f-display); color: var(--muted); margin: 4px 0 8px; }
.cart-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 10px;
  align-items: center;
  padding: 7px 0;
}
.cart-line-name { font-size: 15px; font-weight: 500; overflow-wrap: anywhere; }
.cart-line-sum { font: 600 15px/1 var(--f-num); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.cart-line-each { font-size: 13px; color: var(--muted); }
.cart-line-ctl { display: flex; justify-content: flex-end; }
.cart-sub {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted);
  padding-top: 6px;
}
.cart-sub .num { color: var(--text); }

/* табло итога: единственный громкий элемент страницы */
.readout {
  margin: 0 12px 12px;
  padding: 14px 16px 12px;
  background:
    repeating-linear-gradient(0deg, rgba(232, 163, 58, 0.035) 0 1px, transparent 1px 3px),
    var(--readout);
  border: 1px solid var(--line-2);
  border-radius: var(--r-ctl);
}
.readout-label { display: flex; justify-content: space-between; font-size: 14px; color: var(--muted); }
.readout-value {
  display: block;
  margin-top: 6px;
  font: 700 42px/1.05 var(--f-display);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  text-shadow: 0 0 18px rgba(232, 163, 58, 0.35);
  text-align: right;
  overflow-wrap: anywhere;
}
.readout-value.is-zero { color: var(--line-2); text-shadow: none; }
.readout-value.tick { animation: tick 0.45s ease-out; }
@keyframes tick {
  0% { text-shadow: 0 0 28px rgba(232, 163, 58, 0.9); }
  100% { text-shadow: 0 0 18px rgba(232, 163, 58, 0.35); }
}
.cart-actions { padding: 0 12px 14px; display: grid; gap: 8px; }
.btn {
  height: 46px;
  padding: 0 18px;
  border-radius: var(--r-ctl);
  border: 1px solid var(--line-2);
  background: transparent;
  font-weight: 600;
  font-size: 16px;
}
.btn:hover:not(:disabled) { border-color: var(--text); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--amber); border-color: var(--amber); color: var(--amber-ink); }
.btn-primary:hover:not(:disabled) { background: #f2b252; border-color: #f2b252; }
.btn-danger { color: var(--rust); border-color: rgba(208, 100, 63, 0.5); }
.btn-danger:hover:not(:disabled) { border-color: var(--rust); }

/* нижняя плашка корзины на телефоне */
.cartbar { display: none; }
.scrim { display: none; }

/* ---------- уведомление ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  z-index: 60;
  padding: 12px 18px;
  background: var(--text);
  color: var(--bg);
  font-weight: 500;
  border-radius: var(--r-ctl);
  transition: opacity 0.2s, transform 0.2s;
  max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--rust); color: #fff; }

.state-msg { padding: 48px 12px; color: var(--muted); }
.state-msg .btn { margin-top: 14px; }

/* ---------- мобильная раскладка ---------- */
@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding-bottom: 110px; }
  .cart {
    position: fixed;
    left: 0; right: 0; bottom: 0; top: auto;
    max-height: 86vh;
    z-index: 50;
    border-radius: 10px 10px 0 0;
    border-bottom: 0;
    transform: translateY(105%);
    transition: transform 0.25s ease;
    visibility: hidden;
  }
  body.cart-open .cart { transform: none; visibility: visible; }
  .cart-close { display: inline-block; }
  .scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(5, 6, 3, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
  }
  body.cart-open .scrim { opacity: 1; pointer-events: auto; }
  body.cart-open { overflow: hidden; }

  .cartbar {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 30;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
    background: var(--panel);
    border-top: 1px solid var(--line-2);
  }
  .cartbar-info { min-width: 0; }
  .cartbar-count { display: block; font-size: 13px; color: var(--muted); }
  .cartbar-sum { display: block; font: 700 22px/1.1 var(--f-display); color: var(--amber); white-space: nowrap; }
  .cartbar-sum.is-zero { color: var(--muted); }
  .cartbar .btn { height: 44px; }
}

@media (max-width: 560px) {
  .top { padding-top: 16px; align-items: center; }
  .brand-mark { font-size: 28px; }
  .brand-sub { font-size: 16px; }
  .brand-date { flex-basis: 100%; }
  .tab { font-size: 16px; padding: 13px 10px 12px; }
  .layout { padding-top: 14px; }
  .row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "main ctl" "price ctl";
    gap: 2px 12px;
    padding: 9px 10px;
  }
  .row-main { grid-area: main; }
  .row-price { grid-area: price; text-align: left; font-size: 16px; }
  .row-ctl { grid-area: ctl; }
  .cat-head { padding: 0 10px; }
  .readout-value { font-size: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.page-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }