/* Основа — тема Telegram (переменные ставит telegram-web-app.js), свои значения — запасные для браузера. */
:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --surface: var(--tg-theme-secondary-bg-color, #f0f2f7);
  --text: var(--tg-theme-text-color, #15171c);
  --hint: var(--tg-theme-hint-color, #7c8494);
  --link: var(--tg-theme-link-color, #2f6fdb);
  --line: color-mix(in srgb, var(--text) 10%, transparent);
  --danger: #e5484d;
  --ok: #16a34a;

  /* Цвет вида товара: им размечено всё, что относится к категории */
  --c-stars: #e8a200;
  --c-premium: #7b5cff;
  --c-steam: #2f6fdb;
  --c-games: #e4572e;
  --c-vpn: #12a184;
  --accent: var(--c-stars);
  --on-accent: #fff;

  --display: "Unbounded", system-ui, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;

  --r-panel: 22px;
  --r-control: 14px;
  --gutter: 16px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--tg-theme-bg-color, #17191f);
    --surface: var(--tg-theme-secondary-bg-color, #22252d);
    --text: var(--tg-theme-text-color, #eef0f4);
    --hint: var(--tg-theme-hint-color, #8b93a3);
    --link: var(--tg-theme-link-color, #6fa0ff);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 var(--body);
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(96px + env(safe-area-inset-bottom));
  min-height: 100vh;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }
a { color: var(--link); text-decoration: none; }

/* ---------- шапка ---------- */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px var(--gutter) 6px;
}
.brand { font: 700 18px/1 var(--display); color: var(--text); letter-spacing: -0.01em; }
.top-link { font-size: 15px; font-weight: 500; }

/* ---------- рельс категорий ---------- */
.rail {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
  padding: 10px var(--gutter); background: var(--bg);
}
.rail::-webkit-scrollbar { display: none; }
.rail-tab {
  flex: none; display: flex; align-items: center; gap: 8px;
  border: 0; border-radius: 999px; padding: 9px 15px 9px 12px;
  background: var(--surface); font-weight: 600; font-size: 15px;
}
.rail-tab::before {
  content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--cat);
}
.rail-tab[aria-selected="true"] { background: var(--cat); color: #fff; }
.rail-tab[aria-selected="true"]::before { background: #fff; }

/* ---------- панель категории ---------- */
.panel { padding: 6px var(--gutter) 0; }
.panel-head { margin: 8px 2px 16px; }
.panel-head h1 { font: 700 26px/1.1 var(--display); margin: 0 0 6px; letter-spacing: -0.02em; }
.panel-head p { margin: 0; color: var(--hint); font-size: 15px; }

/* Главный элемент: крупное число в цвете категории */
.amount {
  background: var(--surface); border-radius: var(--r-panel);
  padding: 18px 18px 14px; margin-bottom: 12px;
}
.amount-row { display: flex; align-items: baseline; gap: 10px; }
.amount input {
  width: 100%; min-width: 0; border: 0; background: none; padding: 0;
  field-sizing: content; max-width: 100%;
  font: 700 clamp(44px, 15vw, 64px)/1 var(--display); color: var(--accent);
  letter-spacing: -0.03em; -moz-appearance: textfield;
}
.amount input::-webkit-outer-spin-button, .amount input::-webkit-inner-spin-button { -webkit-appearance: none; }
.amount input:focus-visible { outline: none; }
.amount-unit { font: 500 20px/1 var(--display); color: var(--hint); flex: none; }
.amount-note { color: var(--hint); font-size: 14px; margin-top: 8px; }

.packs { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; margin-bottom: 18px; }
.pack {
  border: 1.5px solid var(--line); background: none; border-radius: var(--r-control);
  padding: 10px 8px; text-align: left; display: grid; gap: 2px;
}
.pack b { font: 700 16px/1.2 var(--display); }
.pack span { color: var(--hint); font-size: 13px; }
.pack[aria-pressed="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }

/* Строки выбора (тарифы, пакеты) */
.options { display: grid; gap: 8px; margin-bottom: 18px; }
.option {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1.5px solid var(--line); background: none; border-radius: var(--r-control);
  padding: 14px 16px; text-align: left; width: 100%;
}
.option-main { display: grid; gap: 2px; }
.option-main b { font-weight: 600; }
.option-main span { color: var(--hint); font-size: 13px; }
.option-price { font: 700 17px/1 var(--display); white-space: nowrap; }
.option[aria-pressed="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }

.segmented { display: flex; gap: 6px; background: var(--surface); padding: 4px; border-radius: 16px; margin-bottom: 14px; }
.segmented button {
  flex: 1; border: 0; background: none; border-radius: 12px; padding: 10px 6px; font-weight: 600; font-size: 15px;
  display: grid; gap: 1px;
}
.segmented button small { font-weight: 400; color: var(--hint); font-size: 12px; }
.segmented button[aria-pressed="true"] { background: var(--bg); box-shadow: 0 1px 2px color-mix(in srgb, var(--text) 18%, transparent); }

/* Поля */
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 14px; font-weight: 600; padding-left: 2px; }
.field-row { display: flex; gap: 8px; }
.input {
  width: 100%; min-width: 0; border: 1.5px solid var(--line); background: var(--bg);
  border-radius: var(--r-control); padding: 13px 14px; font-size: 16px;
}
.input:focus-visible { outline: none; border-color: var(--accent); }
.input[aria-invalid="true"] { border-color: var(--danger); }
.field-hint { color: var(--hint); font-size: 13px; padding-left: 2px; }
.field-error { color: var(--danger); font-size: 13px; padding-left: 2px; }
.chip-btn {
  flex: none; border: 0; border-radius: var(--r-control); padding: 0 14px;
  background: var(--surface); font-weight: 600; font-size: 14px;
}

.summary {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 2px; border-top: 1px solid var(--line); margin-top: 4px;
}
.summary span { color: var(--hint); }
.summary b { font: 700 22px/1 var(--display); }

.btn {
  width: 100%; border: 0; border-radius: 16px; padding: 16px;
  background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: 16px;
}
.btn:disabled { opacity: .45; }
.btn-quiet { background: var(--surface); color: var(--text); }

/* ---------- корзина внизу ---------- */
.cartbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg) 70%, transparent);
}
.cartbar-btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  border: 0; border-radius: 16px; padding: 16px 18px;
  background: var(--text); color: var(--bg); font-weight: 600;
}
.cartbar-btn strong { font: 700 17px/1 var(--display); }

/* ---------- шторка ---------- */
.sheet-backdrop { position: fixed; inset: 0; background: rgb(0 0 0 / .4); z-index: 20; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 21;
  max-height: 88vh; overflow-y: auto; background: var(--bg);
  border-radius: 24px 24px 0 0; padding: 8px var(--gutter) calc(18px + env(safe-area-inset-bottom));
  animation: sheet-in .22s ease-out;
}
@keyframes sheet-in { from { transform: translateY(24px); opacity: 0; } }
.sheet-grip { width: 40px; height: 5px; border-radius: 3px; background: var(--line); margin: 0 auto 14px; }
.sheet h2 { font: 700 20px/1.2 var(--display); margin: 0 0 14px; }

.line-item {
  display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--line);
}
.line-item::before { content: ""; flex: none; width: 4px; align-self: stretch; border-radius: 2px; background: var(--cat); }
.line-item-main { flex: 1; min-width: 0; }
.line-item-main div { font-weight: 500; overflow-wrap: anywhere; }
.line-item-main small { color: var(--hint); }
.line-item-price { font: 700 15px/1.4 var(--display); white-space: nowrap; }
.remove { border: 0; background: none; color: var(--hint); font-size: 14px; padding: 0 0 0 4px; }

.upsell {
  display: flex; align-items: center; gap: 12px; margin: 14px 0 4px;
  padding: 14px; border-radius: 16px; background: color-mix(in srgb, var(--c-vpn) 12%, transparent);
}
.upsell p { margin: 0; flex: 1; font-size: 14px; }
.upsell button { flex: none; border: 0; border-radius: 12px; padding: 9px 14px; background: var(--c-vpn); color: #fff; font-weight: 600; }

/* ---------- заказы ---------- */
.orders { padding: 6px var(--gutter); }
.orders h1 { font: 700 24px/1.1 var(--display); margin: 8px 2px 16px; }
.order-card {
  display: block; background: var(--surface); border-radius: 18px; padding: 14px 16px; margin-bottom: 10px; color: var(--text);
}
.order-card-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.order-card-top b { font: 700 16px/1 var(--display); }
.order-card ul { margin: 0; padding: 0; list-style: none; color: var(--hint); font-size: 14px; }
.status { font-size: 13px; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: var(--bg); }
.status[data-s="done"] { color: var(--ok); }
.status[data-s="failed"], .status[data-s="partial"] { color: var(--danger); }

.item-status { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.item-status::before { content: ""; flex: none; width: 4px; border-radius: 2px; background: var(--cat); }
.item-status-main { flex: 1; min-width: 0; }
.item-status-main div { font-weight: 500; overflow-wrap: anywhere; }
.item-status-main small { color: var(--hint); }
.sub-link {
  margin-top: 10px; display: flex; gap: 8px;
}
.sub-link input { font-size: 13px; padding: 10px 12px; }

.empty { text-align: center; padding: 48px 24px; color: var(--hint); }
.empty b { display: block; color: var(--text); font: 700 18px/1.3 var(--display); margin-bottom: 8px; }

.toast {
  position: fixed; left: 50%; top: calc(12px + env(safe-area-inset-top)); z-index: 30;
  transform: translate(-50%, -12px); opacity: 0; pointer-events: none;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px; font-size: 14px; font-weight: 500;
  transition: opacity .18s, transform .18s; max-width: calc(100% - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  .sheet { animation: none; }
  .toast { transition: none; }
}

@supports (field-sizing: content) { .amount input { width: auto; min-width: 2ch; } }