:root {
  --bg: #eaf7ff;
  --bg-soft: #d9f1ff;
  --card: #ffffff;
  --text: #122635;
  --muted: #557086;
  --primary: #1d9bf0;
  --primary-strong: #0b6dcb;
  --secondary: #dff7ff;
  --border: rgba(18, 38, 53, 0.08);
  --shadow: rgba(14, 36, 52, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg), var(--bg-soft));
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.page-shell {
  width: min(92vw, 1100px);
  margin: 0 auto;
  padding: 32px 0 48px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

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

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary-strong);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.1rem);
}

.exit-btn,
.load-btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  cursor: pointer;
}

.exit-btn {
  background: rgba(18, 38, 53, 0.08);
  color: var(--text);
}

.load-btn {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: 0 10px 22px rgba(13, 109, 203, 0.25);
}

.catalog {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 16px 26px var(--shadow);
}

.product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  background: #dbeafe;
}

.product-body {
  padding: 16px 18px 18px;
}

.product-name {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.product-brand {
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 600;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.product-price {
  font-size: 1.4rem;
  font-weight: 800;
}

.product-color {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--secondary);
  color: var(--primary-strong);
  font-size: 0.72rem;
  font-weight: 700;
}

.product-description {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.loading {
  color: var(--muted);
  text-align: center;
  padding: 24px;
  border: 1px dashed rgba(18, 38, 53, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
}

@media (max-width: 600px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}