:root {
  --bg: #0f1419;
  --bg-card: #1a222d;
  --bg-elevated: #243040;
  --border: #2e3a4a;
  --text: #e8eef4;
  --text-muted: #8b9aab;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.15);
  --prefer: #22c55e;
  --prefer-bg: rgba(34, 197, 94, 0.15);
  --go: #eab308;
  --go-bg: rgba(234, 179, 8, 0.15);
  --nogo: #ef4444;
  --nogo-bg: rgba(239, 68, 68, 0.15);
  --warn: #f97316;
  --warn-bg: rgba(249, 115, 22, 0.15);
  --ok: #22c55e;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

[data-theme="light"] {
  --bg: #f4f6f9;
  --bg-card: #ffffff;
  --bg-elevated: #eef2f7;
  --border: #d8e0ea;
  --text: #1a2332;
  --text-muted: #5a6a7a;
  --accent-soft: rgba(59, 130, 246, 0.1);
  --shadow: 0 2px 12px rgba(15, 30, 50, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.app {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px 14px 80px;
}

header.app-header {
  margin-bottom: 16px;
}

.header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

h1 {
  font-size: clamp(1.15rem, 4vw, 1.45rem);
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.meta-line {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.caveat {
  background: var(--warn-bg);
  border: 1px solid rgba(249, 115, 22, 0.35);
  color: var(--text);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.82rem;
  margin: 10px 0 0;
}

.caveat strong { color: var(--warn); }

.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  padding: 10px 0 12px;
  margin: 0 -2px 12px;
  border-bottom: 1px solid var(--border);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.chip:hover { border-color: var(--accent); }
.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.chip .count {
  opacity: 0.75;
  font-weight: 500;
  margin-left: 4px;
}

.search-sort {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.search-sort input,
.search-sort select {
  flex: 1 1 140px;
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.9rem;
}

.search-sort input:focus,
.search-sort select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.summary-bar .stat strong { color: var(--text); }
.summary-bar .ok { color: var(--ok); }
.summary-bar .flagged { color: var(--nogo); }

.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 12px;
  overflow: hidden;
}

.card-main {
  padding: 14px;
  cursor: pointer;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.sku {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 2px 0 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge.prefer { background: var(--prefer-bg); color: var(--prefer); }
.badge.go { background: var(--go-bg); color: var(--go); }
.badge.nogo { background: var(--nogo-bg); color: var(--nogo); }

.grid-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 10px;
}

@media (min-width: 560px) {
  .grid-stats { grid-template-columns: repeat(4, 1fr); }
}

.stat-box {
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 8px 10px;
}

.stat-box .label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.stat-box .value {
  font-size: 0.92rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.stat-box .sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.stat-box .value a { font-weight: 650; }

.flags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}

.flag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--warn-bg);
  color: var(--warn);
}

/* ——— Always-visible quick verify + purchase (collapsed card) ——— */
.quick-actions {
  margin-top: 12px;
  padding: 10px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.q-verify {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.q-pair {
  display: flex;
  gap: 4px;
  min-width: 0;
}

.q-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 10px;
  font-weight: 750;
  cursor: pointer;
  line-height: 1.15;
  min-height: 44px;
  touch-action: manipulation;
}

.q-btn.ok {
  flex: 1;
  min-width: 0;
  padding: 10px 6px;
  font-size: 0.82rem;
}

.q-btn.bad {
  flex: 0 0 40px;
  padding: 10px 0;
  font-size: 1rem;
  color: var(--text-muted);
}

.q-btn.on-ok {
  background: var(--prefer-bg);
  border-color: var(--prefer);
  color: var(--prefer);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--prefer) 35%, transparent);
}

.q-btn.on-bad {
  background: var(--nogo-bg);
  border-color: var(--nogo);
  color: var(--nogo);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--nogo) 35%, transparent);
}

.q-purchase-wrap {
  display: flex;
}

.q-purchase,
.btn.q-purchase {
  width: 100%;
  min-height: 48px;
  font-size: 1.02rem;
  font-weight: 750;
  justify-content: center;
  touch-action: manipulation;
}

.btn.q-purchase.on-list {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.purchase-action.open {
  text-align: center;
  border-style: solid;
}

.purchase-hint {
  margin: 0 0 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

@media (max-width: 420px) {
  .q-verify { gap: 6px; }
  .q-btn.ok { font-size: 0.74rem; padding: 10px 4px; }
  .q-btn.bad { flex-basis: 36px; }
}

.expand-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
}

.card.expanded .expand-hint { display: none; }

.detail {
  display: none;
  border-top: 1px solid var(--border);
  padding: 14px;
  background: color-mix(in srgb, var(--bg-elevated) 55%, var(--bg-card));
}

.card.expanded .detail { display: block; }

.detail h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.detail-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 640px) {
  .detail-grid { grid-template-columns: 1fr 1fr; }
}

.field-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.field-table th,
.field-table td {
  text-align: left;
  padding: 5px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.field-table th {
  width: 42%;
  color: var(--text-muted);
  font-weight: 500;
}

.field-table td {
  font-family: var(--mono);
  font-size: 0.78rem;
  word-break: break-word;
}

.notes-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.82rem;
  margin: 12px 0;
  white-space: pre-wrap;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 14px;
}

.review-panel {
  border-top: 1px dashed var(--border);
  padding-top: 12px;
  margin-top: 4px;
}

.review-panel h3 { margin-bottom: 10px; }

.review-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.review-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.review-btn.on-ok {
  background: var(--prefer-bg);
  border-color: var(--prefer);
  color: var(--prefer);
}

.review-btn.on-bad {
  background: var(--nogo-bg);
  border-color: var(--nogo);
  color: var(--nogo);
}

.review-panel textarea {
  width: 100%;
  min-height: 64px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.85rem;
  font-family: inherit;
  resize: vertical;
}

.review-status {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.empty {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-muted);
}

.theme-toggle {
  flex-shrink: 0;
}

footer {
  margin-top: 24px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 420px) {
  .app { padding: 12px 10px 72px; }
  .card-main { padding: 12px; }
  .stat-box .value { font-size: 0.85rem; }
}

/* ——— Nav + header actions ——— */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-nav {
  display: inline-flex;
  gap: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
}

.nav-link {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--text-muted);
  text-decoration: none;
}

.nav-link:hover { color: var(--text); text-decoration: none; }

.nav-link.active {
  background: var(--accent);
  color: #fff;
}

.local-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 8px 0 0;
}

.summary-bar .purchase { color: var(--accent); }

/* ——— Verification badges ——— */
.vbadges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.vbadge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-elevated);
}

.vbadge.ok {
  background: var(--prefer-bg);
  border-color: var(--prefer);
  color: var(--prefer);
}

.vbadge.bad {
  background: var(--nogo-bg);
  border-color: var(--nogo);
  color: var(--nogo);
}

.vbadge.pending {
  opacity: 0.7;
}

.vbadge.purchase {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.card.fully-verified {
  border-color: color-mix(in srgb, var(--prefer) 45%, var(--border));
}

.card.on-purchase {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 50%, transparent), var(--shadow);
}

/* ——— Big verify toggles ——— */
.verify-groups {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

@media (min-width: 640px) {
  .verify-groups { grid-template-columns: repeat(3, 1fr); }
}

.verify-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}

.verify-group-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 650;
}

.review-controls.big {
  flex-direction: column;
  align-items: stretch;
}

.review-btn.big {
  padding: 12px 12px;
  font-size: 0.88rem;
  font-weight: 700;
}

.notes-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 12px;
}

.notes-label textarea { margin-top: 6px; }

/* ——— Fee panel ——— */
.fee-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin: 12px 0;
}

.fee-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.fee-panel-head h3 { margin: 0; }

.fee-help {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.fee-compare {
  display: grid;
  gap: 12px;
}

@media (min-width: 560px) {
  .fee-compare { grid-template-columns: 1fr 1fr; }
}

.fee-col .label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 650;
}

.fee-line {
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.fee-line.muted {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 6px;
}

.fee-field {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}

.fee-field input {
  display: block;
  width: 100%;
  margin-top: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.9rem;
  font-family: var(--mono);
}

.fee-field input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.fee-result {
  margin-top: 12px;
  border-radius: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.fee-result.verified {
  border-color: color-mix(in srgb, var(--prefer) 50%, var(--border));
  background: var(--prefer-bg);
}

.fee-result-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.fee-result.verified .fee-result-title { color: var(--prefer); }

.fee-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 0.85rem;
}

.fee-result-grid .span2 { grid-column: 1 / -1; }

.fee-result-grid .label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.fee-result-grid .sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.fee-result-grid .winner { color: var(--prefer); }

/* ——— Purchase send ——— */
.purchase-action {
  margin: 14px 0;
  padding: 12px;
  border-radius: 10px;
  border: 1px dashed var(--border);
}

.purchase-action.ready {
  border-style: solid;
  border-color: var(--prefer);
  background: var(--prefer-bg);
  text-align: center;
}

.purchase-action.on-list {
  border-style: solid;
  border-color: var(--accent);
  background: var(--accent-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.purchase-action.locked {
  background: var(--bg-elevated);
}

.purchase-ready-msg {
  margin: 0 0 10px;
  font-weight: 650;
  color: var(--prefer);
}

.purchase-locked-msg {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.btn.purchase-send {
  background: var(--prefer);
  border-color: var(--prefer);
  color: #fff;
  font-size: 1rem;
  font-weight: 750;
  padding: 12px 22px;
  width: 100%;
  max-width: 360px;
}

.btn.purchase-send:hover {
  filter: brightness(1.08);
}

/* ——— PDF page source ——— */
.pdf-block {
  margin-bottom: 14px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.pdf-block.empty-pdf {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.pdf-source-label {
  font-size: 0.82rem;
  font-weight: 650;
  margin: 0 0 8px;
  color: var(--text);
}

.pdf-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin: 8px 0 0;
}

.pdf-thumb-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: zoom-in;
  background: #000;
}

.pdf-thumb {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  background: #111;
}

.purchase-pdf-row {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  align-items: start;
}

@media (min-width: 560px) {
  .purchase-pdf-row {
    grid-template-columns: 160px 1fr;
  }
  .purchase-pdf-row .pdf-thumb {
    max-height: 200px;
  }
}

.purchase-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
}

.notes-box.compact {
  margin-top: 10px;
  margin-bottom: 0;
}

/* ——— Lightbox ——— */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  cursor: zoom-out;
}

.lightbox[hidden] { display: none !important; }

.lightbox img {
  max-width: min(100%, 1100px);
  max-height: calc(100vh - 80px);
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  cursor: default;
}

.lightbox-caption {
  color: #fff;
  font-size: 0.85rem;
  margin: 12px 0 0;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 12px;
  right: 16px;
  appearance: none;
  border: none;
  background: transparent;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px;
}