/* Lumper Matcher – enhanced layout and cosmetics */
:root {
  --bg-deep: #0b1120;
  --bg-card: #111827;
  --bg-elevated: #1e293b;
  --border: #334155;
  --border-focus: #38bdf8;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --accent-dim: rgba(56, 189, 248, 0.15);
  --success: #34d399;
  --warning: #fbbf24;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  font-family: var(--font-sans);
  margin: 0;
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px;
}

.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  margin: 0 0 6px 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.tagline {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

h2.card-title {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.card-desc {
  margin: 0 0 14px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.card-upload {
  border-left: 3px solid var(--accent);
}

.card-scanner {
  border-left: 3px solid var(--success);
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s, transform 0.1s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--accent);
  color: #0f172a;
}

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

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #334155;
  border-color: var(--text-muted);
}

/* Inputs */
input[type="text"],
select,
.match-input {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-size: 0.95rem;
  min-width: 200px;
}

input[type="text"]:focus,
select:focus,
.match-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

/* Upload zone */
.upload-zone {
  margin-bottom: 14px;
}

.upload-zone input[type="file"] {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 8px 0;
}

.file-count {
  display: block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--accent);
}

.upload-options {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.option-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
}

.option-label input {
  accent-color: var(--accent);
}

.option-openai {
  color: var(--text);
}

/* Status */
.status {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--accent);
}

/* Load metadata */
.load-metadata {
  padding: 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  margin-top: 12px;
  font-size: 0.9rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px 24px;
}

.load-metadata div {
  margin: 0;
}

/* Items list */
.items-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 4px;
}

.items-list::-webkit-scrollbar {
  width: 8px;
}

.items-list::-webkit-scrollbar-track {
  background: var(--bg-deep);
  border-radius: 4px;
}

.items-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.item-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.item-card:hover {
  border-color: #475569;
  background: #1e293b;
}

.item-card.highlighted {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 24px rgba(56, 189, 248, 0.15);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.01); }
}

.item-card.highlighted {
  animation: pulse 1.2s ease-in-out;
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.item-id {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85rem;
}

.item-upc {
  font-family: ui-monospace, monospace;
  color: #a5b4fc;
  font-size: 0.8rem;
}

.item-description {
  color: var(--text);
  margin-bottom: 10px;
  font-size: 0.95rem;
  line-height: 1.4;
}

.item-metrics {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

.metric {
  display: flex;
  flex-direction: column;
}

.metric-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.metric-value {
  color: var(--warning);
  font-weight: 600;
  font-size: 1rem;
}

.metric-value.large {
  color: var(--success);
  font-size: 1.1rem;
}

/* Match results */
ul#match-results {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul#match-results li {
  padding: 12px 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border-left: 4px solid var(--accent);
  font-size: 0.95rem;
}

ul#match-results li div {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

#scanner-video {
  width: 100%;
  max-height: 320px;
  border-radius: var(--radius-sm);
  margin-top: 12px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
}

.ingest-option {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Ask AI / Help panel */
.help-panel {
  margin-top: 12px;
  padding: 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.help-panel .match-input {
  margin-right: 8px;
  margin-bottom: 8px;
}

.help-answer {
  margin-top: 12px;
  padding: 10px 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text);
  max-height: 200px;
  overflow-y: auto;
}