/* Material Design 3 — токены и компоненты. Светлая и тёмная темы. */
:root {
  --md-primary: #00639b;
  --md-on-primary: #ffffff;
  --md-primary-container: #cde5ff;
  --md-on-primary-container: #001e31;
  --md-secondary: #526069;
  --md-on-secondary: #ffffff;
  --md-secondary-container: #d5e4ef;
  --md-on-secondary-container: #0f1d24;
  --md-tertiary: #63577c;
  --md-tertiary-container: #e9ddff;
  --md-on-tertiary-container: #1e1435;
  --md-error: #ba1a1a;
  --md-error-container: #ffdad6;
  --md-on-error: #ffffff;
  --md-surface: #f8f9fb;
  --md-surface-dim: #d8dae0;
  --md-surface-container: #eceef4;
  --md-surface-container-high: #e6e8ee;
  --md-surface-container-lowest: #ffffff;
  --md-on-surface: #191c20;
  --md-on-surface-variant: #40484d;
  --md-outline: #70787e;
  --md-outline-variant: #c0c7cd;
  --md-inverse-surface: #2e3135;
  --md-inverse-on-surface: #eff0f7;
  --md-shadow: 0 0;
  --md-scrim: rgba(0, 0, 0, 0.4);
  --elev-1: 0 1px 2px rgba(0,0,0,.12), 0 1px 3px 1px rgba(0,0,0,.08);
  --elev-2: 0 1px 2px rgba(0,0,0,.14), 0 2px 6px 2px rgba(0,0,0,.10);
  --elev-3: 0 4px 8px 3px rgba(0,0,0,.10), 0 1px 3px rgba(0,0,0,.14);
  --success: #1b7d43;
  --radius-m: 12px;
  --radius-l: 16px;
  --radius-xl: 28px;
  --font: "Roboto", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}
[data-theme="dark"] {
  --md-primary: #97cbff;
  --md-on-primary: #003351;
  --md-primary-container: #004b74;
  --md-on-primary-container: #cde5ff;
  --md-secondary: #b9c8d3;
  --md-on-secondary: #243240;
  --md-secondary-container: #3a4855;
  --md-on-secondary-container: #d5e4ef;
  --md-tertiary: #cdbfe8;
  --md-tertiary-container: #4b3c64;
  --md-on-tertiary-container: #e9ddff;
  --md-error: #ffb4ab;
  --md-error-container: #93000a;
  --md-on-error: #690005;
  --md-surface: #111416;
  --md-surface-dim: #111416;
  --md-surface-container: #1d2024;
  --md-surface-container-high: #282b2f;
  --md-surface-container-lowest: #0c0e11;
  --md-on-surface: #e1e2e8;
  --md-on-surface-variant: #c0c7cd;
  --md-outline: #8a9199;
  --md-outline-variant: #40484d;
  --md-inverse-surface: #e1e2e8;
  --md-inverse-on-surface: #2e3135;
  --md-scrim: rgba(0, 0, 0, 0.6);
  --elev-1: 0 1px 3px rgba(0,0,0,.5);
  --elev-2: 0 2px 6px rgba(0,0,0,.55);
  --elev-3: 0 6px 14px rgba(0,0,0,.6);
  --success: #7ddb9c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--md-surface);
  color: var(--md-on-surface);
  font-size: 15px;
  line-height: 1.45;
  min-height: 100vh;
}
a { color: var(--md-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ---------- Top app bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  background: var(--md-surface-container);
  box-shadow: var(--elev-2);
}
.topbar .logo {
  font-weight: 700; font-size: 19px; color: var(--md-primary);
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
  cursor: pointer; text-decoration: none;
}
.topbar .logo:hover { text-decoration: none; }
.search-wrap { flex: 1; max-width: 720px; position: relative; }
.search-wrap input {
  width: 100%; padding: 11px 44px 11px 16px;
  border-radius: 999px; border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-container-lowest); color: var(--md-on-surface);
  font: inherit; outline: none;
}
.search-wrap input:focus { border-color: var(--md-primary); box-shadow: 0 0 0 1px var(--md-primary); }
.search-wrap .search-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: none; border: 0; cursor: pointer; color: var(--md-on-surface-variant); padding: 8px; border-radius: 50%;
}
.search-wrap .search-btn:hover { background: rgba(128,128,128,.12); }
.topbar .spacer { flex: 1; }
.icon-btn {
  position: relative; background: none; border: 0; cursor: pointer;
  color: var(--md-on-surface-variant); width: 44px; height: 44px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: rgba(128,128,128,.12); }
.icon-btn .badge {
  position: absolute; top: 3px; right: 3px;
  background: var(--md-error); color: var(--md-on-error);
  font-size: 11px; font-weight: 700; border-radius: 999px;
  min-width: 18px; height: 18px; line-height: 18px; text-align: center; padding: 0 4px;
}

/* ---------- Layout ---------- */
.layout { display: flex; min-height: calc(100vh - 62px); }
.drawer {
  width: 280px; flex-shrink: 0; padding: 12px 8px; overflow-y: auto;
  border-right: 1px solid var(--md-outline-variant);
  background: var(--md-surface-container-lowest);
}
.drawer .cat-link {
  display: block; padding: 8px 12px; border-radius: 999px;
  color: var(--md-on-surface-variant); cursor: pointer; font-size: 14px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.drawer .cat-link:hover { background: var(--md-surface-container-high); text-decoration: none; color: var(--md-on-surface); }
.drawer .cat-link.lv0 { font-weight: 600; color: var(--md-on-surface); margin-top: 6px; }
.drawer .cat-link.lv1 { padding-left: 26px; }
.drawer .cat-link.lv2 { padding-left: 40px; font-size: 13px; }
.drawer .cat-link.active { background: var(--md-secondary-container); color: var(--md-on-secondary-container); font-weight: 600; }
main.content { flex: 1; padding: 20px 24px 60px; min-width: 0; }
@media (max-width: 900px) {
  .drawer { display: none; }
  main.content { padding: 12px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 999px; padding: 9px 22px; border: 0;
  transition: box-shadow .15s, background .15s;
  text-decoration: none !important;
}
.btn:disabled { opacity: .45; cursor: default; }
.btn.filled { background: var(--md-primary); color: var(--md-on-primary); }
.btn.filled:hover:not(:disabled) { box-shadow: var(--elev-1); filter: brightness(1.06); }
.btn.tonal { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.btn.tonal:hover:not(:disabled) { box-shadow: var(--elev-1); }
.btn.outlined { background: transparent; color: var(--md-primary); border: 1px solid var(--md-outline); }
.btn.outlined:hover:not(:disabled) { background: rgba(103,80,164,.08); }
.btn.text { background: transparent; color: var(--md-primary); padding: 9px 12px; }
.btn.danger { background: var(--md-error); color: var(--md-on-error); }
.btn.small { padding: 6px 14px; font-size: 13px; }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 8px; font-size: 13px; cursor: pointer;
  border: 1px solid var(--md-outline-variant); color: var(--md-on-surface-variant);
  background: var(--md-surface-container-lowest);
}
.chip:hover { background: var(--md-surface-container-high); text-decoration: none; }
.chip.selected { background: var(--md-secondary-container); color: var(--md-on-secondary-container); border-color: transparent; font-weight: 600; }

/* ---------- Cards / product grid ---------- */
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.card {
  background: var(--md-surface-container-lowest);
  border-radius: var(--radius-m); border: 1px solid var(--md-outline-variant);
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow .15s;
}
.card:hover { box-shadow: var(--elev-2); }
.card .img-wrap { position: relative; aspect-ratio: 1; background: #fff; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.card .img-wrap img { max-height: 100%; object-fit: contain; }
.card .body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .name { font-size: 14px; font-weight: 500; color: var(--md-on-surface); min-height: 3em; }
.card .name a { color: inherit; }
.card .meta { font-size: 12px; color: var(--md-on-surface-variant); }
.card .stock { font-size: 12px; color: var(--success); }
.card .stock.no { color: var(--md-error); }
.card .price-row { display: flex; align-items: baseline; gap: 8px; margin-top: auto; }
.card .price { font-size: 19px; font-weight: 700; }
.card .old-price { font-size: 13px; color: var(--md-outline); text-decoration: line-through; }
.card .actions { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.card .qty-input { width: 64px; padding: 7px 8px; border-radius: 8px; border: 1px solid var(--md-outline-variant); background: var(--md-surface); color: var(--md-on-surface); font: inherit; }
.badge-action {
  position: absolute; top: 8px; left: 8px;
  background: var(--md-error); color: var(--md-on-error);
  font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 6px;
}

/* ---------- Text fields ---------- */
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field label { font-size: 12px; color: var(--md-on-surface-variant); font-weight: 600; }
.field input, .field textarea, .field select {
  font: inherit; padding: 11px 14px; border-radius: 10px;
  border: 1px solid var(--md-outline); background: var(--md-surface-container-lowest);
  color: var(--md-on-surface); outline: none; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--md-primary); box-shadow: 0 0 0 1px var(--md-primary); }

/* ---------- Product page ---------- */
.product-page { display: grid; grid-template-columns: minmax(280px, 420px) 1fr; gap: 28px; }
@media (max-width: 900px) { .product-page { grid-template-columns: 1fr; } }
.product-page .gallery { background: var(--md-surface-container-lowest); border: 1px solid var(--md-outline-variant); border-radius: var(--radius-l); padding: 18px; display: flex; align-items: center; justify-content: center; }
.product-page h1 { font-size: 22px; margin: 0 0 8px; font-weight: 600; }
.buy-box { background: var(--md-surface-container-lowest); border: 1px solid var(--md-outline-variant); border-radius: var(--radius-l); padding: 18px; margin-top: 14px; }
.buy-box .price-big { font-size: 30px; font-weight: 700; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.spec-table td { padding: 8px 10px; border-bottom: 1px solid var(--md-outline-variant); font-size: 14px; vertical-align: top; }
.spec-table td:first-child { color: var(--md-on-surface-variant); width: 45%; }

/* ---------- Breadcrumbs ---------- */
.crumbs { font-size: 13px; color: var(--md-on-surface-variant); margin-bottom: 12px; display: flex; flex-wrap: wrap; gap: 4px; }
.crumbs a { color: var(--md-on-surface-variant); }
.crumbs a:hover { color: var(--md-primary); }
.crumbs .sep::before { content: "›"; margin: 0 4px; }

/* ---------- Tables / cart ---------- */
.table { width: 100%; border-collapse: collapse; background: var(--md-surface-container-lowest); border-radius: var(--radius-m); overflow: hidden; }
.table th { text-align: left; font-size: 12px; color: var(--md-on-surface-variant); padding: 10px 12px; border-bottom: 1px solid var(--md-outline-variant); }
.table td { padding: 10px 12px; border-bottom: 1px solid var(--md-outline-variant); font-size: 14px; vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }

/* ---------- Snackbar / dialog ---------- */
.snackbar {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(150%);
  background: var(--md-inverse-surface); color: var(--md-inverse-on-surface);
  padding: 12px 22px; border-radius: 8px; box-shadow: var(--elev-3);
  z-index: 200; transition: transform .25s, visibility .25s; max-width: 90vw; font-size: 14px;
  visibility: hidden;
}
.snackbar.show { transform: translateX(-50%) translateY(0); visibility: visible; }
.dialog-scrim {
  position: fixed; inset: 0; background: var(--md-scrim); z-index: 150;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.dialog {
  background: var(--md-surface-container-high); border-radius: var(--radius-xl);
  padding: 24px; max-width: 440px; width: 100%; box-shadow: var(--elev-3);
  max-height: 90vh; overflow-y: auto;
}
.dialog h3 { margin: 0 0 14px; font-size: 18px; }

/* ---------- Misc ---------- */
.page-title { font-size: 24px; font-weight: 600; margin: 4px 0 14px; }
.section-title { font-size: 18px; font-weight: 600; margin: 26px 0 12px; }
.muted { color: var(--md-on-surface-variant); font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.pager { display: flex; gap: 6px; justify-content: center; margin: 22px 0; flex-wrap: wrap; }
.pager button {
  min-width: 40px; height: 40px; border-radius: 50%; border: 0; cursor: pointer;
  background: transparent; color: var(--md-on-surface); font: inherit; font-weight: 500;
}
.pager button.cur { background: var(--md-primary); color: var(--md-on-primary); }
.pager button:hover:not(.cur) { background: var(--md-surface-container-high); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--md-on-surface-variant); }
.skeleton { background: linear-gradient(90deg, var(--md-surface-container) 25%, var(--md-surface-container-high) 50%, var(--md-surface-container) 75%); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: 8px; }
@keyframes sk { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.hero {
  background: linear-gradient(120deg, var(--md-primary-container), var(--md-tertiary-container));
  border-radius: var(--radius-xl); padding: 26px 28px; margin-bottom: 20px;
}
.hero h1 { margin: 0 0 6px; font-size: 24px; color: var(--md-on-primary-container); }
.hero p { margin: 0; color: var(--md-on-surface-variant); }
.cat-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.cat-card {
  background: var(--md-surface-container-lowest); border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-m); padding: 16px; font-weight: 600; cursor: pointer;
  display: flex; flex-direction: column; gap: 6px;
}
.cat-card:hover { box-shadow: var(--elev-1); text-decoration: none; }
.cat-card .sub { font-weight: 400; font-size: 12px; color: var(--md-on-surface-variant); }
.spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid var(--md-outline-variant); border-top-color: var(--md-primary);
  animation: spin .8s linear infinite; margin: 30px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.status-pill.new { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.status-pill.paid { background: #c8f0d4; color: #084223; }
.status-pill.awaiting_payment { background: #ffe9c2; color: #5c4300; }
.status-pill.to_etm, .status-pill.etm_processing { background: var(--md-tertiary-container); color: var(--md-on-tertiary-container); }
.status-pill.done { background: #c8f0d4; color: #084223; }
.status-pill.canceled { background: var(--md-error-container); color: var(--md-error); }
[data-theme="dark"] .status-pill.paid, [data-theme="dark"] .status-pill.done { background: #1b4d2c; color: #b5ecce; }
[data-theme="dark"] .status-pill.awaiting_payment { background: #4d3a00; color: #ffd48a; }

/* ---------- Подсказки поиска ---------- */
.suggest-box {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant); border-radius: 14px;
  box-shadow: var(--elev-3); z-index: 120; overflow: hidden; max-height: 70vh; overflow-y: auto;
}
.sg-section { padding: 8px 14px 4px; font-size: 11px; font-weight: 700; color: var(--md-outline); text-transform: uppercase; letter-spacing: .5px; }
.sg-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 14px;
  color: var(--md-on-surface); font-size: 14px;
}
.sg-item:hover { background: var(--md-surface-container-high); text-decoration: none; }
.sg-item svg { flex-shrink: 0; color: var(--md-primary); }
.sg-prod img { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; background: #fff; flex-shrink: 0; }
.sg-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; flex-direction: column; }
.sg-name small { color: var(--md-on-surface-variant); font-size: 12px; overflow: hidden; text-overflow: ellipsis; }
.sg-price { font-weight: 700; white-space: nowrap; color: var(--md-primary); }
.sg-all { display: block; padding: 10px 14px; text-align: center; font-weight: 600; color: var(--md-primary); border-top: 1px solid var(--md-outline-variant); }
.sg-all:hover { background: var(--md-surface-container-high); text-decoration: none; }

/* ---------- Фильтры ---------- */
.cat-layout { display: flex; gap: 20px; align-items: flex-start; }
.cat-main { flex: 1; min-width: 0; }
.filters {
  width: 240px; flex-shrink: 0; position: sticky; top: 70px;
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant); border-radius: var(--radius-m);
  padding: 14px; max-height: calc(100vh - 90px); overflow-y: auto;
}
.f-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.f-group { border-top: 1px solid var(--md-outline-variant); padding: 10px 0; }
.f-title { font-size: 13px; font-weight: 700; margin-bottom: 8px; color: var(--md-on-surface); }
.f-input { width: 100%; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--md-outline-variant); background: var(--md-surface); color: var(--md-on-surface); font: inherit; font-size: 13px; }
.f-check { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 3px 0; cursor: pointer; color: var(--md-on-surface); }
.f-check input { accent-color: var(--md-primary); }
.f-brands { max-height: 260px; overflow-y: auto; }
@media (max-width: 900px) {
  .cat-layout { flex-direction: column; }
  .filters { width: 100%; position: static; max-height: none; }
}

/* ---------- Оформление ---------- */
.checkout-layout { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; }
@media (max-width: 900px) { .checkout-layout { grid-template-columns: 1fr; } }
.delivery-list { display: flex; flex-direction: column; gap: 8px; }
.delivery-item {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--md-outline-variant); border-radius: 12px;
  padding: 12px 14px; cursor: pointer; background: var(--md-surface-container-lowest);
}
.delivery-item:hover { border-color: var(--md-primary); }
.delivery-item input { accent-color: var(--md-primary); }
.delivery-item .d-name { flex: 1; display: flex; flex-direction: column; font-weight: 600; font-size: 14px; }
.delivery-item .d-name small { font-weight: 400; color: var(--md-on-surface-variant); }
.delivery-item .d-price { font-weight: 700; color: var(--md-primary); white-space: nowrap; }
.checkout-side .buy-box { margin-top: 0; }

/* ---------- Статические страницы ---------- */
.static-page { max-width: 780px; line-height: 1.65; }
.static-page h3 { margin: 22px 0 8px; font-size: 16px; }
.static-page p, .static-page li { font-size: 14.5px; color: var(--md-on-surface); }
.static-page ul, .static-page ol { padding-left: 22px; }
.static-page li { margin: 4px 0; }

/* ---------- Футер ---------- */
.footer { border-top: 1px solid var(--md-outline-variant); background: var(--md-surface-container); margin-top: 40px; padding: 26px 24px 18px; }
.footer-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 22px; max-width: 1200px; margin: 0 auto; }
.f-col { display: flex; flex-direction: column; gap: 7px; font-size: 13.5px; }
.f-col a { color: var(--md-on-surface-variant); }
.f-col a:hover { color: var(--md-primary); }
.f-col-title { font-weight: 700; margin-bottom: 4px; color: var(--md-on-surface); }
.f-col .muted { font-size: 12.5px; }
.footer-bottom {
  max-width: 1200px; margin: 20px auto 0; padding-top: 14px;
  border-top: 1px solid var(--md-outline-variant);
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  font-size: 12px; color: var(--md-on-surface-variant);
}

/* ---------- Мобильное меню ---------- */
.menu-btn { display: none; }
@media (max-width: 900px) {
  .menu-btn { display: inline-flex; }
  .layout { position: relative; }
  .drawer {
    position: fixed; z-index: 90; top: 60px; bottom: 0; left: 0;
    transform: translateX(-105%); transition: transform .25s;
    box-shadow: var(--elev-3); height: auto;
  }
  .drawer.open { transform: translateX(0); }
}