:root {
  --bg: #fbfbfd;
  --bg-alt: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #86868b;
  --line: #d2d2d7;
  --line-soft: #e8e8ed;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, .1);
  --ok: #1d8a3a;
  --warn: #bf4800;
  --danger: #e30000;
  --nav-bg: rgba(251, 251, 253, .72);
  --shadow: 0 2px 12px rgba(0, 0, 0, .06);
  --shadow-hover: 0 18px 40px rgba(0, 0, 0, .12);
  --radius: 22px;
  --ease: cubic-bezier(.25, .1, .25, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000; --bg-alt: #111113; --card: #1c1c1e; --text: #f5f5f7; --text-2: #a1a1a6; --text-3: #86868b;
    --line: #424245; --line-soft: #2c2c2e; --accent: #2997ff; --accent-hover: #47a6ff; --accent-soft: rgba(41,151,255,.15);
    --nav-bg: rgba(22, 22, 23, .72); --shadow: 0 2px 12px rgba(0,0,0,.4); --shadow-hover: 0 18px 40px rgba(0,0,0,.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #000; --bg-alt: #111113; --card: #1c1c1e; --text: #f5f5f7; --text-2: #a1a1a6; --text-3: #86868b;
  --line: #424245; --line-soft: #2c2c2e; --accent: #2997ff; --accent-hover: #47a6ff; --accent-soft: rgba(41,151,255,.15);
  --nav-bg: rgba(22, 22, 23, .72); --shadow: 0 2px 12px rgba(0,0,0,.4); --shadow-hover: 0 18px 40px rgba(0,0,0,.6);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 120px; }
body {
  margin: 0; background: var(--bg); color: var(--text); font-family: var(--font);
  font-size: 17px; line-height: 1.47; letter-spacing: -.022em; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; letter-spacing: inherit; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; height: 52px;
  background: var(--nav-bg); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { max-width: 1200px; margin: 0 auto; height: 100%; padding: 0 22px; display: flex; align-items: center; gap: 28px; }
.brand { font-weight: 700; font-size: 21px; letter-spacing: -.03em; color: var(--text); }
.nav-links { display: flex; gap: 24px; flex: 1; }
.nav-links a { color: var(--text); opacity: .8; font-size: 13px; transition: opacity .2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a.active { font-weight: 600; }
.nav-right { display: flex; gap: 6px; }
.icon-btn {
  position: relative; border: 0; background: transparent; cursor: pointer; width: 36px; height: 36px;
  border-radius: 50%; display: grid; place-items: center; color: var(--text); transition: background .2s;
}
.icon-btn:hover { background: var(--bg-alt); }
.badge {
  position: absolute; top: 2px; right: 0; min-width: 17px; height: 17px; padding: 0 5px; border-radius: 9px;
  background: var(--accent); color: #fff; font-size: 11px; font-weight: 600; line-height: 17px; text-align: center;
  animation: pop .35s var(--ease);
}
@keyframes pop { 0% { transform: scale(.4); } 70% { transform: scale(1.15); } 100% { transform: scale(1); } }

/* ---------- layout ---------- */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 22px; }
.hero { text-align: center; padding: 72px 22px 40px; }
.hero h1 { font-size: clamp(40px, 7vw, 80px); line-height: 1.05; letter-spacing: -.045em; font-weight: 700; margin: 0; }
.hero p { font-size: clamp(19px, 2.4vw, 26px); color: var(--text-2); margin: 14px auto 0; max-width: 720px; letter-spacing: -.02em; }
.hero .eyebrow { font-size: 17px; font-weight: 600; color: var(--warn); margin: 0 0 8px; }
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.fade-up.in { opacity: 1; transform: none; }

.cycle {
  display: inline-flex; gap: 28px; margin-top: 28px; padding: 16px 28px; border-radius: 18px;
  background: var(--card); box-shadow: var(--shadow); text-align: left;
}
.cycle div small { display: block; color: var(--text-3); font-size: 12px; }
.cycle div b { font-size: 21px; letter-spacing: -.02em; }

/* ---------- group chips ---------- */
.chips-bar {
  position: sticky; top: 52px; z-index: 40; background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line-soft);
}
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 12px 22px; max-width: 1200px; margin: 0 auto; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; border: 1px solid var(--line); background: var(--card); border-radius: 980px; padding: 7px 16px;
  font-size: 14px; cursor: pointer; transition: all .25s var(--ease); white-space: nowrap;
}
.chip:hover { border-color: var(--text-2); }
.chip.active { background: var(--text); color: var(--bg); border-color: var(--text); }
.search {
  flex: none; width: 200px; border: 1px solid var(--line); background: var(--card); border-radius: 980px;
  padding: 7px 16px; font-size: 14px; outline: none; transition: width .3s var(--ease), border-color .2s;
}
.search:focus { border-color: var(--accent); width: 260px; }

/* ---------- group tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; padding: 28px 0 8px; }
.tile {
  position: relative; border-radius: var(--radius); background: var(--card); padding: 20px; cursor: pointer; overflow: hidden;
  min-height: 170px; box-shadow: var(--shadow); transition: transform .45s var(--ease), box-shadow .45s var(--ease);
  display: flex; flex-direction: column; justify-content: space-between;
}
.tile:hover { transform: scale(1.025); box-shadow: var(--shadow-hover); }
.tile h3 { margin: 0; font-size: 21px; letter-spacing: -.025em; position: relative; z-index: 1; }
.tile small { color: var(--text-2); font-size: 13px; position: relative; z-index: 1; }
.tile img { position: absolute; right: -12px; bottom: -12px; width: 62%; aspect-ratio: 1; object-fit: contain; opacity: .95; transition: transform .6s var(--ease); }
.tile:hover img { transform: scale(1.08) rotate(-3deg); }

/* ---------- groups / products ---------- */
.group { padding: 44px 0 8px; }
.group-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; cursor: pointer; user-select: none; }
.group-head h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -.035em; margin: 0; }
.group-head span { color: var(--text-2); font-size: 15px; display: flex; align-items: center; gap: 8px; }
.group-head .chev { transition: transform .4s var(--ease); display: inline-block; }
.group.collapsed .chev { transform: rotate(-90deg); }
.group-body { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .55s var(--ease), opacity .4s; }
.group.collapsed .group-body { grid-template-rows: 0fr; opacity: 0; }
.group-body > div { overflow: hidden; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; padding: 22px 0 6px; }
.card {
  background: var(--card); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--shadow); transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.card .media {
  position: relative; aspect-ratio: 4/3; background: var(--bg-alt); cursor: pointer; overflow: hidden;
  display: grid; place-items: center;
}
.card .media img { width: 100%; height: 100%; object-fit: contain; padding: 14px; transition: transform .7s var(--ease); }
.card:hover .media img { transform: scale(1.07); }
.noimg { color: var(--text-3); font-size: 48px; font-weight: 700; letter-spacing: -.04em; opacity: .5; }
.tag {
  position: absolute; top: 12px; left: 12px; background: var(--nav-bg); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); border-radius: 980px; padding: 3px 10px; font-size: 12px; font-weight: 600;
}
.card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h3 { font-size: 17px; line-height: 1.25; margin: 0; font-weight: 600; letter-spacing: -.02em; cursor: pointer; }
.pack { color: var(--text-2); font-size: 13px; }
.price-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 10px; }
.price b { font-size: 21px; letter-spacing: -.02em; display: block; }
.price small { color: var(--text-3); font-size: 12px; }

/* ---------- buttons ---------- */
.btn {
  border: 0; border-radius: 980px; background: var(--accent); color: #fff; padding: 9px 20px; font-size: 15px;
  cursor: pointer; transition: background .2s, transform .15s; white-space: nowrap;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: scale(.96); }
.btn:disabled { opacity: .4; cursor: default; }
.btn.lg { padding: 14px 28px; font-size: 17px; width: 100%; }
.btn.ghost { background: var(--accent-soft); color: var(--accent); }
.btn.ghost:hover { background: var(--accent); color: #fff; }
.btn.plain { background: transparent; color: var(--accent); padding: 6px 10px; }
.btn.danger { background: transparent; color: var(--danger); }

.stepper { display: inline-flex; align-items: center; background: var(--bg-alt); border-radius: 980px; padding: 3px; }
.stepper button {
  border: 0; background: var(--card); width: 32px; height: 32px; border-radius: 50%; cursor: pointer; font-size: 18px;
  box-shadow: 0 1px 3px rgba(0,0,0,.1); transition: transform .15s;
}
.stepper button:active { transform: scale(.88); }
.stepper input { width: 40px; border: 0; background: transparent; text-align: center; font-weight: 600; outline: none; -moz-appearance: textfield; }
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ---------- drawer (cart) ---------- */
.drawer, .sheet { position: fixed; inset: 0; z-index: 100; pointer-events: none; }
.drawer.open, .sheet.open { pointer-events: auto; }
.drawer-backdrop, .sheet-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.32); opacity: 0; transition: opacity .4s var(--ease); }
.drawer.open .drawer-backdrop, .sheet.open .sheet-backdrop { opacity: 1; }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(460px, 100%); background: var(--bg);
  transform: translateX(100%); transition: transform .5s var(--ease); display: flex; flex-direction: column;
  box-shadow: -20px 0 60px rgba(0,0,0,.15);
}
.drawer.open .drawer-panel { transform: none; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line-soft); }
.drawer-head h2 { margin: 0; font-size: 28px; letter-spacing: -.03em; }
.drawer-body { flex: 1; overflow-y: auto; padding: 8px 22px; }
.drawer-foot { padding: 18px 22px calc(18px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line-soft); background: var(--card); }
.line { display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); align-items: center; }
.line .thumb { width: 64px; height: 64px; border-radius: 14px; background: var(--bg-alt); overflow: hidden; display: grid; place-items: center; }
.line .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.line h4 { margin: 0; font-size: 15px; font-weight: 600; line-height: 1.25; }
.line small { color: var(--text-2); font-size: 13px; }
.line .right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.totals { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.totals b { font-size: 24px; letter-spacing: -.02em; }
.muted { color: var(--text-2); font-size: 13px; }
textarea.input { resize: vertical; min-height: 60px; }
.empty { text-align: center; color: var(--text-2); padding: 64px 0; }
.empty b { display: block; font-size: 24px; color: var(--text); margin-bottom: 6px; letter-spacing: -.02em; }

/* ---------- sheet (product) ---------- */
.sheet { display: grid; place-items: center; padding: 22px; }
.sheet-backdrop { backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.sheet-panel {
  position: relative; width: min(900px, 100%); max-height: calc(100vh - 44px); overflow-y: auto; background: var(--card);
  border-radius: 28px; transform: translateY(40px) scale(.96); opacity: 0;
  transition: transform .5s var(--ease), opacity .35s var(--ease); display: grid; grid-template-columns: 1fr 1fr;
}
.sheet.open .sheet-panel { transform: none; opacity: 1; }
.sheet-media {
  background: var(--bg-alt); display: grid; place-items: center; min-height: 360px;
  position: sticky; top: 0; align-self: start; height: min(560px, calc(100vh - 44px));
}
.sheet-media img { width: 100%; height: 100%; object-fit: contain; padding: 28px; }
.sheet-info { padding: 36px 32px; display: flex; flex-direction: column; gap: 12px; }
.sheet-info h2 { margin: 0; font-size: 32px; line-height: 1.1; letter-spacing: -.035em; }
.sheet-info .brandline { color: var(--warn); font-weight: 600; font-size: 14px; }
.sheet-close { position: absolute; top: 14px; right: 14px; z-index: 2; background: var(--bg-alt); }
.specs { margin: 6px 0 0; border-top: 1px solid var(--line-soft); }
.specs div { display: grid; grid-template-columns: 140px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-soft); font-size: 14px; }
.specs dt { color: var(--text-2); }
.specs dd { margin: 0; }

/* ---------- forms / auth ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 22px; background: var(--bg-alt); }
.auth-card { width: min(400px, 100%); background: var(--card); border-radius: 28px; padding: 44px 36px; box-shadow: var(--shadow); text-align: center; }
.auth-card h1 { font-size: 40px; margin: 0 0 6px; letter-spacing: -.04em; }
.auth-card p { color: var(--text-2); margin: 0 0 28px; }
.field { text-align: left; margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--text-2); margin: 0 0 4px 4px; }
.input {
  width: 100%; border: 1px solid var(--line); background: var(--card); border-radius: 12px; padding: 13px 14px;
  font-size: 17px; outline: none; transition: border-color .2s, box-shadow .2s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.error { color: var(--danger); font-size: 14px; min-height: 20px; margin: 4px 0 8px; }
.shake { animation: shake .4s; }
@keyframes shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }

/* ---------- admin / tables ---------- */
.page-title { font-size: clamp(36px, 5vw, 56px); letter-spacing: -.04em; margin: 48px 0 8px; }
.tabs { display: inline-flex; background: var(--bg-alt); border-radius: 980px; padding: 3px; margin: 16px 0 24px; }
.tabs button { border: 0; background: transparent; border-radius: 980px; padding: 7px 18px; cursor: pointer; font-size: 14px; transition: all .25s; }
.tabs button.active { background: var(--card); box-shadow: 0 1px 4px rgba(0,0,0,.12); font-weight: 600; }
.panel { background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin-bottom: 20px; }
.panel h3 { margin: 0 0 14px; font-size: 21px; letter-spacing: -.02em; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; align-items: end; }
.table-wrap { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th { text-align: left; color: var(--text-2); font-weight: 500; font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.t td { padding: 11px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
table.t td.num, table.t th.num { text-align: right; white-space: nowrap; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 980px; font-size: 12px; font-weight: 600; background: var(--bg-alt); }
.pill.ok { color: var(--ok); }
.pill.bad { color: var(--danger); }
.pill.admin { color: var(--accent); }
.pill.warn { color: var(--warn); }
.drop {
  border: 2px dashed var(--line); border-radius: var(--radius); padding: 40px; text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s; color: var(--text-2);
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.order { border-bottom: 1px solid var(--line-soft); padding: 16px 0; }
.order summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: baseline; list-style: none; }
.order summary::-webkit-details-marker { display: none; }
.order summary b { font-size: 17px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 200; transform: translate(-50%, 30px); opacity: 0;
  background: var(--text); color: var(--bg); padding: 12px 22px; border-radius: 980px; font-size: 15px;
  transition: all .4s var(--ease); pointer-events: none; max-width: calc(100% - 32px); text-align: center;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- success ---------- */
.success { text-align: center; padding: 96px 22px; }
.success .check {
  width: 88px; height: 88px; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center;
  margin: 0 auto 24px; font-size: 44px; animation: pop .6s var(--ease);
}
.success h1 { font-size: clamp(36px, 5vw, 56px); letter-spacing: -.04em; margin: 0 0 10px; }
.success p { color: var(--text-2); font-size: 19px; }

footer.foot { text-align: center; color: var(--text-3); font-size: 12px; padding: 60px 22px 40px; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-inner { padding: 0 16px; gap: 16px; }
  .nav-links { gap: 12px; min-width: 0; }
  .nav-right { gap: 0; }
  .wrap { padding: 0 16px; }
  .chips { padding: 10px 16px; }
  .search { width: 140px; }
  .search:focus { width: 180px; }
  .hero { padding: 48px 16px 28px; }
  .cycle { gap: 18px; padding: 14px 18px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .card .body { padding: 12px; }
  .card h3 { font-size: 15px; }
  .price b { font-size: 17px; }
  .price-row { flex-direction: column; align-items: stretch; }
  .sheet { padding: 0; align-items: end; }
  .sheet-panel { grid-template-columns: 1fr; border-radius: 28px 28px 0 0; max-height: 92vh; }
  .sheet-media { min-height: 240px; height: 280px; position: static; }
  .sheet-info { padding: 24px 20px 32px; }
  .specs div { grid-template-columns: 110px 1fr; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .tile { min-height: 140px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}