:root {
  color-scheme: dark;
  --bg: #08070d;
  --panel: #12101a;
  --panel-2: #191425;
  --text: #f7f4ff;
  --muted: #b8adc9;
  --purple: #8b5cf6;
  --purple-2: #c084fc;
  --black: #030208;
  --line: rgba(255,255,255,.12);
  --cyan: #22d3ee;
  --gold: #f8c25c;
  --danger: #fb7185;
  --shadow: 0 24px 80px rgba(0,0,0,.45);
}

body.light {
  color-scheme: light;
  --bg: #f7f5fb;
  --panel: #ffffff;
  --panel-2: #eee8fb;
  --text: #12101a;
  --muted: #5d536b;
  --black: #ffffff;
  --line: rgba(28,18,45,.14);
  --shadow: 0 22px 60px rgba(58,30,96,.15);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 0%, rgba(139,92,246,.24), transparent 32rem),
    linear-gradient(180deg, var(--bg), var(--black));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }

button, input, select, textarea {
  font: inherit;
}

button { cursor: pointer; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem clamp(1rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--black) 84%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-logo {
  display: none;
  width: 2.6rem;
  aspect-ratio: 1;
  border-radius: .5rem;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.15);
  background: var(--panel);
}

.brand-logo[src]:not([src=""]) {
  display: block;
}

.brand-mark {
  display: grid;
  width: 2.6rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: .5rem;
  background: linear-gradient(135deg, var(--purple), #20112f 58%, #000);
  color: white;
  box-shadow: 0 0 0 1px rgba(255,255,255,.15), 0 12px 28px rgba(139,92,246,.35);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(.6rem, 2vw, 1.5rem);
  color: var(--muted);
  font-weight: 700;
}

.nav a:hover { color: var(--text); }

.top-actions { display: flex; gap: .65rem; align-items: center; }

.icon-btn, .cart-button, .primary-button, .ghost-button, .primary-link, .secondary-link, .pay-card, .tab {
  border: 1px solid var(--line);
  border-radius: .5rem;
  min-height: 2.6rem;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}

.icon-btn {
  width: 2.65rem;
  background: var(--panel);
  color: var(--text);
  font-size: 1.1rem;
}

.cart-button {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: 0 .9rem;
  background: var(--panel);
  color: var(--text);
  font-weight: 800;
}

.cart-button span {
  display: grid;
  place-items: center;
  min-width: 1.45rem;
  height: 1.45rem;
  border-radius: 999px;
  background: var(--purple);
  color: white;
  font-size: .8rem;
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 4.5rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  overflow: hidden;
  padding: clamp(5rem, 12vw, 9rem) clamp(1rem, 5vw, 5rem) clamp(2rem, 6vw, 4rem);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5,4,10,.94), rgba(18,10,32,.72) 48%, rgba(5,4,10,.28)),
    url("https://images.unsplash.com/photo-1556742502-ec7c0e9f34b1?auto=format&fit=crop&w=1800&q=85") center/cover;
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  max-width: 46rem;
  animation: riseIn .7s ease both;
}

.eyebrow {
  margin: 0 0 .55rem;
  color: var(--purple-2);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: .7rem;
  font-size: clamp(4rem, 13vw, 8.8rem);
  line-height: .86;
  letter-spacing: 0;
}

h2 {
  margin-bottom: .65rem;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
}

h3 { font-size: 1.35rem; }

.hero-content p:not(.eyebrow) {
  max-width: 40rem;
  color: rgba(255,255,255,.82);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.7;
}

.hero-actions, .admin-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: center;
}

.primary-link, .secondary-link, .primary-button, .ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.1rem;
  font-weight: 900;
}

.primary-link, .primary-button {
  background: linear-gradient(135deg, var(--purple), #5b21b6);
  color: white;
  border-color: rgba(255,255,255,.14);
  box-shadow: 0 18px 38px rgba(139,92,246,.28);
}

.secondary-link, .ghost-button {
  background: rgba(255,255,255,.08);
  color: white;
}

body.light .secondary-link, body.light .ghost-button { color: var(--text); }

.primary-button.full, .primary-link.full { width: 100%; }

.hero-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  max-width: 45rem;
  margin-top: 3rem;
}

.hero-stats div, .stat-grid article, .review-grid article, .admin-products article {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  backdrop-filter: blur(16px);
}

.hero-stats strong, .stat-grid strong {
  display: block;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
}

.hero-stats span, .stat-grid span, .inventory span {
  color: var(--muted);
  font-size: .92rem;
}

.toolbar-section, .split-section, .checkout-section, .reviews, .info-band, .contact, .admin {
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 5vw, 5rem);
}

.toolbar-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 42rem);
  gap: 2rem;
  align-items: end;
}

.filters {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: .85rem;
}

label {
  display: grid;
  gap: .45rem;
  color: var(--muted);
  font-weight: 800;
  font-size: .88rem;
}

input, select, textarea {
  width: 100%;
  min-height: 2.9rem;
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: var(--panel);
  color: var(--text);
  padding: .75rem .9rem;
  outline: none;
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(139,92,246,.18);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 0 clamp(1rem, 5vw, 5rem) clamp(3rem, 7vw, 6rem);
}

.product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-body {
  display: grid;
  gap: .75rem;
  padding: 1rem;
}

.product-card h3 { margin: 0; }

.product-card p {
  margin: 0;
  min-height: 3rem;
  color: var(--muted);
  line-height: 1.5;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: .75rem;
  align-items: center;
}

.price {
  color: var(--purple-2);
  font-size: 1.25rem;
  font-weight: 950;
}

.badge {
  padding: .35rem .55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--purple) 18%, transparent);
  color: var(--text);
  font-size: .78rem;
  font-weight: 900;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem;
}

.detail-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: linear-gradient(135deg, var(--panel), var(--panel-2));
}

.detail-panel img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border-radius: .5rem;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 1.4rem 0;
}

.detail-meta span {
  padding: .55rem .75rem;
  border: 1px solid var(--line);
  border-radius: .5rem;
  color: var(--muted);
}

.checkout-section, .contact {
  display: grid;
  grid-template-columns: .8fr 1fr;
  gap: 2rem;
  align-items: start;
}

.checkout-form, .contact-form, .admin-login, .product-editor, .chart-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: var(--panel);
}

.payment-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

.pay-card, .tab {
  background: var(--panel-2);
  color: var(--text);
  font-weight: 900;
}

.pay-card.active, .tab.active {
  background: var(--purple);
  color: white;
}

.reviews { background: color-mix(in srgb, var(--panel) 54%, transparent); }

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.review-grid strong { color: var(--gold); }

.review-grid p {
  color: var(--muted);
  line-height: 1.6;
}

.info-band {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 2rem;
  align-items: center;
  border-block: 1px solid var(--line);
}

.info-band p:last-child {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.admin {
  display: grid;
  grid-template-columns: minmax(16rem, 24rem) 1fr;
  gap: 1rem;
  align-items: start;
}

.admin-gate {
  display: grid;
  min-height: calc(100svh - 4.5rem);
  place-items: center;
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 5vw, 5rem);
}

.admin-gate.hidden,
.admin.locked {
  display: none;
}

.gate-box {
  width: min(100%, 28rem);
}

.admin-page {
  min-height: calc(100svh - 4.5rem);
}

.admin-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1;
}

.admin-note {
  color: var(--muted);
  line-height: 1.6;
}

.logo-help {
  display: grid;
  gap: .35rem;
  padding: .9rem;
  border: 1px dashed color-mix(in srgb, var(--purple) 55%, var(--line));
  border-radius: .5rem;
  background: color-mix(in srgb, var(--purple) 10%, transparent);
  color: var(--muted);
}

.logo-help strong {
  color: var(--text);
}

.logo-help p {
  margin: 0;
  line-height: 1.55;
}

.logo-help code {
  color: var(--purple-2);
  font-weight: 900;
}

.dashboard {
  display: grid;
  gap: 1rem;
}

.dashboard-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.notification {
  padding: .8rem 1rem;
  border: 1px solid rgba(34,211,238,.35);
  border-radius: .5rem;
  color: var(--cyan);
  background: rgba(34,211,238,.08);
  font-weight: 900;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(17rem, 25rem) 1fr;
  gap: 1rem;
}

.tabs {
  display: flex;
  gap: .5rem;
}

.tab { padding: 0 1rem; }

canvas {
  width: 100%;
  min-height: 16rem;
  border-radius: .5rem;
  background: var(--black);
}

.inventory {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1rem;
}

.admin-products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .8rem;
}

.admin-products article {
  display: grid;
  gap: .35rem;
}

.admin-products img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: .5rem;
}

.admin-products button {
  justify-self: start;
  min-height: 2.2rem;
  border: 1px solid rgba(251,113,133,.38);
  border-radius: .5rem;
  background: rgba(251,113,133,.12);
  color: var(--danger);
  font-weight: 900;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 40;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 1rem;
  width: min(100%, 26rem);
  height: 100svh;
  padding: 1rem;
  background: var(--panel);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateX(105%);
  transition: transform .28s ease;
}

.cart-drawer.open { transform: translateX(0); }

.cart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-items {
  display: grid;
  align-content: start;
  gap: .75rem;
  overflow: auto;
}

.cart-line {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  gap: .75rem;
  align-items: center;
}

.cart-line img {
  width: 4.5rem;
  aspect-ratio: 1;
  border-radius: .5rem;
  object-fit: cover;
}

.cart-line strong, .cart-line span { display: block; }

.cart-line span { color: var(--muted); }

.cart-total {
  display: flex;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 1.2rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  z-index: 50;
  padding: .85rem 1rem;
  border: 1px solid rgba(192,132,252,.35);
  border-radius: .5rem;
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow);
  transform: translate(-50%, 160%);
  transition: transform .25s ease;
}

.toast.show { transform: translate(-50%, 0); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 2rem clamp(1rem, 5vw, 5rem);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.primary-button:hover, .primary-link:hover, .secondary-link:hover, .ghost-button:hover, .icon-btn:hover, .cart-button:hover, .pay-card:hover, .tab:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--purple) 70%, white);
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(1rem); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin, .admin-layout, .checkout-section, .contact, .info-band { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .topbar {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: .15rem;
  }

  .hero { min-height: 44rem; }
  h1 { font-size: clamp(3.6rem, 22vw, 6rem); }
  .hero-stats, .filters, .detail-panel, .review-grid, .admin-products { grid-template-columns: 1fr; }
  .toolbar-section { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .product-actions { grid-template-columns: 1fr; }
  .dashboard-head, footer { align-items: flex-start; flex-direction: column; }
}

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