:root {
  --bg: #0f172a;
  --card: #1e293b;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #334155;
  --success: #10b981;
  --error: #ef4444;
}

@keyframes skeleton-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: 0.5rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.input {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border-radius: 0.5rem;
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  outline: none;
}
.input:focus { border-color: var(--accent); }

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  background: #0b1220;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.success { color: var(--success); border-color: rgba(16,185,129,0.4); }
.badge.error { color: var(--error); border-color: rgba(239,68,68,0.4); }
.badge.warning { color: #f59e0b; border-color: rgba(245,158,11,0.4); }

.spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Markdown Content Styling inside Chat Bubble */
.markdown-body {
  line-height: 1.6;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  font-weight: 700;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: #fff;
}
.markdown-body h1 { font-size: 1.35rem; }
.markdown-body h2 { font-size: 1.2rem; }
.markdown-body h3 { font-size: 1.05rem; }
.markdown-body p {
  margin-bottom: 0.75rem;
}
.markdown-body ul, .markdown-body ol {
  margin-left: 1.25rem;
  margin-bottom: 0.75rem;
}
.markdown-body ul {
  list-style-type: disc;
}
.markdown-body ol {
  list-style-type: decimal;
}
.markdown-body li {
  margin-bottom: 0.25rem;
}
.markdown-body a {
  color: #818cf8;
  text-decoration: underline;
}
.markdown-body a:hover {
  color: #a5b4fc;
}
.markdown-body code {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.15rem 0.35rem;
  border-radius: 0.25rem;
  font-family: monospace;
  font-size: 0.9em;
}
.markdown-body pre {
  background: #05070c;
  padding: 0.75rem;
  border-radius: 0.375rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}
.markdown-body pre code {
  background: transparent;
  padding: 0;
  font-size: 0.85rem;
}

/* ══════════════════════════════════════════
   Product Cards — Amazon / Flipkart style
   ══════════════════════════════════════════ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.product-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.6rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.4,0,0.2,1),
              box-shadow 0.2s cubic-bezier(0.4,0,0.2,1);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px -6px rgba(0, 0, 0, 0.35);
}

/* Image container — fixed square with shimmer loader */
.product-img-wrapper {
  position: relative;
  width: 100%;
  padding-top: 100%;
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s infinite;
  overflow: hidden;
}
.product-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;   /* contain so no cropping — matches Amazon */
  padding: 0.5rem;
  background: #fff;
  animation: none;
  transition: transform 0.25s ease;
}
.product-card:hover .product-img {
  transform: scale(1.04);
}

/* Discount badge — top-left corner, Amazon orange */
.product-discount-badge {
  position: absolute;
  top: 0;
  left: 0;
  background: #ff6161;
  color: #fff;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 0.2rem 0.45rem;
  border-bottom-right-radius: 0.4rem;
  z-index: 3;
  letter-spacing: 0.03em;
}

/* Match score badge — top-right */
.product-score-badge {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  z-index: 3;
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.4);
  color: #059669;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
}

/* Text info area */
.product-info {
  padding: 0.6rem 0.65rem 0.7rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 0.2rem;
  background: #fff;
}
.product-brand {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #6366f1;
  font-weight: 700;
}
.product-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #111827;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.35;
  min-height: 2.2rem;
}
.product-usage-tag {
  display: inline-block;
  font-size: 0.58rem;
  background: #f3f4f6;
  color: #6b7280;
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  font-weight: 600;
  width: fit-content;
}

/* Price row */
.product-price-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.25rem;
}
.product-price {
  font-size: 1rem;
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.02em;
}
.product-old-price {
  font-size: 0.72rem;
  text-decoration: line-through;
  color: #9ca3af;
}
.product-saving {
  font-size: 0.62rem;
  color: #16a34a;
  font-weight: 700;
}

/* CTA Button */
.product-link {
  display: block;
  text-align: center;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff !important;
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none !important;
  padding: 0.45rem 0.5rem;
  border-radius: 0.35rem;
  margin-top: auto;
  padding-top: 0.5rem;
  transition: opacity 0.15s, transform 0.15s;
  letter-spacing: 0.02em;
}
.product-link:hover {
  opacity: 0.88;
  transform: scale(0.98);
}