/* === PRODUCT INTELLIGENCE ENGINE === */
.pi-header {
  padding: 64px 48px 40px;
  border-bottom: 1px solid rgba(245, 240, 232, 0.06);
}

.pi-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.pi-title-accent { color: var(--ember); }

.pi-subtitle {
  font-size: 15px;
  color: var(--fg-muted);
  font-family: var(--mono);
  letter-spacing: 0.04em;
  margin-bottom: 40px;
}

/* Search Bar */
.pi-search-wrap {
  display: flex;
  gap: 12px;
  max-width: 640px;
}

.pi-search-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid rgba(245, 240, 232, 0.1);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  padding: 14px 18px;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
}

.pi-search-input::placeholder { color: var(--fg-muted); }
.pi-search-input:focus { border-color: var(--ember); }

.pi-search-btn {
  background: var(--ember);
  color: #fff;
  border: none;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 28px;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s, transform 0.1s;
}

.pi-search-btn:hover { background: #e64a19; }
.pi-search-btn:active { transform: scale(0.98); }

.pi-search-hint {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(154, 149, 144, 0.5);
  letter-spacing: 0.08em;
}

/* Tag filters */
.pi-filters {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.pi-filter-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid rgba(245, 240, 232, 0.08);
  background: transparent;
  color: var(--fg-muted);
}

.pi-filter-tag:hover,
.pi-filter-tag.active {
  background: var(--ember-dim);
  border-color: rgba(255, 87, 34, 0.3);
  color: var(--ember);
}

/* Results meta */
.pi-results-meta {
  padding: 24px 48px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.pi-count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
}

.pi-count strong { color: var(--fg); }

/* Product Grid */
.pi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 0 48px 80px;
}

@media (max-width: 1024px) {
  .pi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .pi-grid { grid-template-columns: 1fr; }
  .pi-header, .pi-results-meta { padding-left: 24px; padding-right: 24px; }
  .pi-search-wrap { flex-direction: column; }
  .pi-title { font-size: 28px; }
}

/* Product Card */
.product-card {
  background: var(--surface);
  border: 1px solid rgba(245, 240, 232, 0.05);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover {
  border-color: rgba(245, 240, 232, 0.12);
  transform: translateY(-2px);
}

.product-card:hover .card-accent { opacity: 1; }

.card-accent {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ember), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

/* Card header */
.card-header {
  padding: 24px 24px 16px;
  border-bottom: 1px solid rgba(245, 240, 232, 0.04);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.card-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
  flex: 1;
}

.card-category {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 6px;
}

/* Score badge */
.score-badge {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}

.score-hot {
  background: rgba(255, 87, 34, 0.18);
  color: var(--ember);
  border: 1px solid rgba(255, 87, 34, 0.3);
}

.score-warm {
  background: rgba(245, 200, 66, 0.15);
  color: var(--gold);
  border: 1px solid rgba(245, 200, 66, 0.3);
}

.score-cold {
  background: rgba(245, 240, 232, 0.05);
  color: var(--fg-muted);
  border: 1px solid rgba(245, 240, 232, 0.1);
}

/* Card body */
.card-body {
  padding: 20px 24px;
  flex: 1;
}

.card-description {
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.card-pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.price-block { display: flex; flex-direction: column; gap: 3px; }

.price-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.price-val {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1;
}

.price-val.ember { color: var(--ember); }

.price-margin {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
  margin-top: 2px;
}

/* Card footer */
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(245, 240, 232, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-source {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(154, 149, 144, 0.4);
}

.card-keywords {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.keyword-chip {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 1px;
  background: rgba(245, 240, 232, 0.04);
  color: rgba(154, 149, 144, 0.5);
}

/* Empty state */
.pi-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 48px;
  color: var(--fg-muted);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}