:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-soft: #eef2f9;
  --text: #101828;
  --muted: #5b6475;
  --line: #d6deec;
  --accent: #0d9488;
  --accent-strong: #0b7285;
  --accent-soft: #ccfbf1;
  --danger: #dc2626;
  --shadow: 0 22px 45px rgba(14, 23, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -15%, #a7f3d0 0, transparent 28%),
    radial-gradient(circle at 88% 2%, #93c5fd 0, transparent 31%),
    var(--bg);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px clamp(14px, 2vw, 34px) 52px;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(135deg, #0d9488, #0f766e);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.38);
}

.brand h1 {
  margin: 0;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1.03rem;
  letter-spacing: 0.03em;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.icon-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 12px;
  padding: 9px 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.icon-btn:hover {
  border-color: #9ab0d3;
}

.hero {
  margin-top: 18px;
  border-radius: 24px;
  border: 1px solid rgba(202, 220, 245, 0.7);
  background:
    linear-gradient(110deg, rgba(13, 148, 136, 0.15), rgba(147, 197, 253, 0.08)),
    var(--surface);
  padding: clamp(20px, 4vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 18px;
}

.hero h2 {
  margin: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(1.45rem, 2.5vw, 2.5rem);
  line-height: 1.1;
}

.hero p {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 60ch;
  font-size: 0.98rem;
  line-height: 1.5;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(191, 210, 236, 0.9);
  border-radius: 16px;
  padding: 12px;
}

.metric strong {
  display: block;
  font-size: 1.3rem;
  font-family: "Sora", sans-serif;
  margin-bottom: 4px;
}

.metric span {
  color: var(--muted);
  font-size: 0.83rem;
}

.controls {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid rgba(202, 220, 245, 0.8);
  border-radius: 18px;
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 0.6fr);
  gap: 10px;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control label {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}

.control input,
.control select {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fdfefe;
  padding: 10px 12px;
  font: inherit;
}

.category-row {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  padding: 7px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
}

.chip.active {
  background: var(--accent-soft);
  border-color: #82dcc8;
  color: #0f766e;
}

.layout {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.35fr);
  gap: 16px;
  align-items: start;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.card {
  border-radius: 16px;
  border: 1px solid rgba(203, 217, 236, 0.9);
  background: var(--surface);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(22, 35, 56, 0.11);
}

.card-media {
  aspect-ratio: 1 / 1.06;
  overflow: hidden;
  background: #f7fafc;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 12px;
  display: grid;
  gap: 9px;
}

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

.card-cat {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #0f766e;
}

.card-price {
  font-family: "Sora", sans-serif;
  font-weight: 800;
}

.card-name {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.3;
}

.card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.35;
}

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

.card-row select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px;
  background: #fff;
  font: inherit;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  border: 1px solid var(--line);
  background: #fff;
}

.summary-panel {
  position: sticky;
  top: 85px;
  border-radius: 18px;
  border: 1px solid rgba(203, 217, 236, 0.9);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.summary-panel h3 {
  margin: 0;
  font-family: "Sora", sans-serif;
}

.notice {
  border-radius: 12px;
  border: 1px solid #fecaca;
  background: #fff1f2;
  color: #9f1239;
  font-size: 0.8rem;
  padding: 10px;
}

.cart-items {
  max-height: 320px;
  overflow: auto;
  display: grid;
  gap: 10px;
}

.cart-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.cart-title {
  margin: 0;
  font-size: 0.88rem;
}

.cart-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

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

.qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.qty button {
  border: none;
  background: #fff;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 1rem;
}

.qty span {
  width: 28px;
  text-align: center;
  font-size: 0.86rem;
}

.summary-lines {
  display: grid;
  gap: 8px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
}

.summary-line.total {
  font-size: 1rem;
  font-weight: 800;
}

#paypal-button-container {
  min-height: 44px;
}

.empty {
  color: var(--muted);
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 20px 10px;
  font-size: 0.9rem;
}

.result-banner {
  padding: 11px;
  border-radius: 12px;
  font-size: 0.85rem;
  background: #ecfdf5;
  border: 1px solid #86efac;
  color: #166534;
  display: none;
}

.result-banner.error {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #9f1239;
}

.footer {
  margin-top: 30px;
  text-align: center;
  color: #4a5568;
  font-size: 0.84rem;
}

.size-chart-btn {
  width: 100%;
}

.size-chart-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  padding: 24px;
  background: rgba(15, 23, 42, 0.72);
  display: none;
  place-items: center;
}

.size-chart-modal.is-open {
  display: grid;
}

.size-chart-modal[hidden] {
  display: none !important;
}

.size-chart-dialog {
  width: min(860px, 96vw);
  max-height: 92vh;
  background: #fff;
  border-radius: 14px;
  padding: 16px;
  display: grid;
  gap: 12px;
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.24);
}

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

.size-chart-title {
  font-family: "Sora", sans-serif;
}

.size-chart-image {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
}

@media (max-width: 1020px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .summary-panel {
    position: relative;
    top: 0;
  }
}

@media (max-width: 740px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .metrics {
    grid-template-columns: repeat(3, minmax(86px, 1fr));
  }

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

  .topbar {
    top: 8px;
  }
}