:root {
  --bg: #ffffff;
  --surface: #f5f5f5;
  --border: #e4e4e7;
  --text: #111111;
  --muted: #61616b;
  --accent: #007aff;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Roboto, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

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

.hidden {
  display: none !important;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.topbar-inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto auto;
  gap: 12px;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.brand-dot {
  width: 12px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent);
}

.search {
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
}

.search i {
  width: 18px;
  color: var(--muted);
}

.search input {
  width: 100%;
  border: 0;
  outline: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
}

.chip {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  color: var(--muted);
}

.chip.active {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 38px;
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn i {
  width: 16px;
}

.btn {
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  width: fit-content;
}

.btn-secondary {
  border-color: var(--border);
  background: transparent;
  color: var(--text);
}

.btn-sm {
  height: 38px;
  padding: 0 12px;
}

.full {
  width: 100%;
}

.user-menu {
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 6px 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.user-menu span {
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 14px;
}

.hero {
  padding: 44px 0 20px;
}

.hero-inner {
  display: grid;
  gap: 10px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  margin: 0;
}

.hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 64ch;
}

.market {
  padding: 20px 0 28px;
}

.market-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: 20px;
}

.filters {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.filters h2 {
  margin: 0 0 4px;
  font-size: 18px;
}

.filters label {
  font-size: 14px;
  color: var(--muted);
}

.filters select,
.filters input[type="range"] {
  width: 100%;
}

.filters select {
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 0 10px;
  background: #fff;
}

.list-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.list-toolbar h2 {
  margin: 0;
  font-size: 22px;
}

.sort-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.sort-wrap select {
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 0 10px;
  color: var(--text);
  background: #fff;
}

.products-grid {
  margin-top: 14px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 6px 18px rgba(17, 17, 17, 0.06);
  transition: transform 0.2s ease;
  cursor: pointer;
}

.card:hover {
  transform: scale(1.02);
}

.card-image {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.card-body {
  padding: 12px;
  display: grid;
  gap: 8px;
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.title {
  margin: 0;
  font-size: 16px;
}

.price {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 8px;
}

.badge {
  width: fit-content;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 10px;
}

.badge.nowy {
  color: #065f46;
  background: #d1fae5;
}

.badge.jak-nowy {
  color: #1d4ed8;
  background: #dbeafe;
}

.badge.uzywany {
  color: #3f3f46;
  background: #e4e4e7;
}

.product-section {
  background: var(--surface);
  padding: 34px 0;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.gallery {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.gallery img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-data h2 {
  margin: 0 0 6px;
  font-size: 28px;
}

.detail-price {
  margin: 0 0 10px;
  font-size: 32px;
  font-weight: 700;
}

.product-data p {
  color: #2c2c34;
}

.spec-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.spec-list li {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 8px 10px;
  font-size: 14px;
}

.cta-row {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.trust {
  padding: 34px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.trust-item {
  min-height: 110px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  background: #fff;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 8px;
}

.trust-item i {
  color: var(--accent);
  width: 20px;
}

.trust-item h3 {
  margin: 0;
  font-size: 16px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
}

.footer nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.dialog {
  width: min(480px, calc(100% - 24px));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
}

.dialog::backdrop {
  background: rgba(17, 17, 17, 0.5);
}

.dialog-wide {
  width: min(760px, calc(100% - 24px));
}

.dialog-shell {
  margin: 0;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.dialog-header h2 {
  margin: 0;
  font-size: 22px;
}

.segmented {
  display: flex;
  gap: 8px;
}

.segmented .chip {
  flex: 1;
}

.form-pane {
  display: grid;
  gap: 8px;
}

.form-pane label,
.offer-grid label {
  font-size: 14px;
  color: var(--muted);
}

.text-input {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  height: 40px;
  padding: 0 10px;
  background: #fff;
}

.text-area {
  min-height: 100px;
  resize: vertical;
  padding: 10px;
}

.offer-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr);
}

.notice {
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  background: #fef2f2;
  color: #991b1b;
  padding: 8px 10px;
  font-size: 14px;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #111111;
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
  z-index: 30;
}

@media (max-width: 1180px) {
  .topbar-inner {
    grid-template-columns: auto 1fr auto;
  }

  .nav {
    grid-column: 1 / -1;
    padding-bottom: 12px;
  }
}

@media (max-width: 1080px) {
  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .market-layout {
    grid-template-columns: 1fr;
  }

  .filters {
    order: 2;
  }

  .product-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar-actions .btn span {
    display: none;
  }

  .topbar-actions .btn {
    width: 38px;
    padding: 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 24px);
  }

  .hero h1 {
    font-size: 30px;
  }

  .list-toolbar {
    align-items: start;
    flex-direction: column;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

}