/* ── CSS Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 18px; line-height: 1.6; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui,
               'Helvetica Neue', Arial, sans-serif;
  color: var(--slg-text);
  background: var(--slg-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; font-size: inherit; }
input, select, textarea, button { font-family: inherit; font-size: inherit; line-height: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ── Design tokens ───────────────────────────────────────────── */
:root {
  /* Brand */
  --slg-navy:        #1e3a5c;
  --slg-navy-hover:  #16304f;
  --slg-navy-light:  #e8f0f8;
  --slg-gold:        #d97706;
  --slg-gold-light:  #fef3c7;

  /* Status */
  --slg-green:       #16a34a;
  --slg-red:         #dc2626;

  /* Surfaces */
  --slg-bg:          #f1f5f9;
  --slg-surface:     #ffffff;
  --slg-surface-2:   #f8fafc;

  /* Borders */
  --slg-border:      #e2e8f0;
  --slg-border-dark: #cbd5e1;

  /* Text */
  --slg-text:        #0f172a;
  --slg-text-2:      #475569;
  --slg-muted:       #94a3b8;
}

/* ── Typography ──────────────────────────────────────────────── */
h1 { font-size: 1.75rem; font-weight: 800; line-height: 1.25; }
h2 { font-size: 1.35rem; font-weight: 800; line-height: 1.3; }
h3 { font-size: 1.1rem;  font-weight: 700; line-height: 1.4; }
h4 { font-size: 0.95rem; font-weight: 700; }
p  { line-height: 1.6; }

/* ── Layout ──────────────────────────────────────────────────── */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 0.25rem;
}

/* ── Base inputs ─────────────────────────────────────────────── */
input[type="text"],
input[type="search"],
input[type="number"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--slg-border-dark);
  border-radius: 6px;
  background: var(--slg-surface);
  color: var(--slg-text);
  font-size: 0.925rem;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--slg-muted); }
input:focus, select:focus, textarea:focus {
  border-color: var(--slg-navy);
  box-shadow: 0 0 0 3px rgba(30, 58, 92, 0.1);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23475569' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  padding-right: 2rem;
}
textarea { resize: vertical; min-height: 100px; }

/* ── Base buttons ────────────────────────────────────────────── */
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border: 1.5px solid transparent;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  background: var(--slg-navy);
  color: #fff;
  transition: background 0.15s, opacity 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
button:hover:not(:disabled) { background: var(--slg-navy-hover); }
button:disabled { opacity: 0.45; cursor: not-allowed; }

button.secondary {
  background: var(--slg-surface);
  color: var(--slg-navy);
  border-color: var(--slg-border-dark);
}
button.secondary:hover:not(:disabled) { background: var(--slg-navy-light); border-color: var(--slg-navy); }

button.outline {
  background: transparent;
  color: var(--slg-navy);
  border-color: var(--slg-navy);
}
button.outline:hover:not(:disabled) { background: var(--slg-navy-light); }

/* ── Base tables ─────────────────────────────────────────────── */
table { font-size: 0.9rem; }

thead th {
  padding: 0.55rem 0.75rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slg-text-2);
  background: var(--slg-surface-2);
  border-bottom: 1.5px solid var(--slg-border);
  white-space: nowrap;
}

tbody td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--slg-border);
  vertical-align: middle;
  color: var(--slg-text);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--slg-navy-light); }

/* ── Loading spinner (replaces Pico aria-busy) ───────────────── */
[aria-busy="true"]::after {
  content: "";
  display: inline-block;
  width: 0.85em;
  height: 0.85em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 0.5em;
  vertical-align: middle;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Navigation ──────────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 60px;
  background: linear-gradient(135deg, #1e3a5c 0%, #22456e 100%);
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav .brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--slg-gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.site-nav .brand img {
  height: 34px;
  width: auto;
  display: block;
  border-radius: 4px;
}

.site-nav .brand span {
  color: #fff;
  font-weight: 400;
}

.brand-version {
  color: rgba(255,255,255,0.4);
  font-size: 0.68rem;
  font-weight: 400;
  margin-left: 0.25rem;
  vertical-align: middle;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 0.15rem;
}

.nav-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,0.12);
  position: relative;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0.8rem;
  right: 0.8rem;
  height: 2px;
  background: var(--slg-gold);
  border-radius: 2px;
}

/* Undismissed-snipe count on the Snipes nav item (see renderSnipeBadge in nav.js) */
.nav-badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.5;
  vertical-align: 1px;
}

/* ── Page header ─────────────────────────────────────────────── */
.page-header {
  padding: 2.25rem 0 1.5rem;
  border-bottom: 1px solid var(--slg-border);
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 1.75rem;
  margin-bottom: 0.3rem;
  color: var(--slg-text);
}

.page-header p {
  margin: 0;
  color: var(--slg-text-2);
  font-size: 0.95rem;
}

/* ── Cards / panels ──────────────────────────────────────────── */
article.panel {
  border: 1px solid var(--slg-border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  background: var(--slg-surface);
  box-shadow: 0 1px 4px rgba(15,23,42,0.06);
}

article.panel header {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--slg-border);
  color: var(--slg-text);
}

/* ── Mode tabs ───────────────────────────────────────────────── */
.mode-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--slg-border);
  margin-bottom: 1.5rem;
}

.mode-tab {
  padding: 0.6rem 1.5rem;
  border: none;
  border-bottom: 2.5px solid transparent;
  margin-bottom: -2px;
  background: transparent;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--slg-text-2);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.mode-tab.active {
  color: var(--slg-navy);
  border-bottom-color: var(--slg-navy);
}

.mode-tab:hover:not(.active) { color: var(--slg-navy); background: var(--slg-navy-light); }
.mode-tab.active:hover { background: transparent; }

/* ── Variant badges ──────────────────────────────────────────── */
.badge-variant {
  display: inline-block;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.7em;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

/* ── Quote / search tables ───────────────────────────────────── */
.unmatched td { opacity: 0.5; }

/* Non-NF variant row highlighting — tinted row background using variant color */
.variant-row-foil  td { background: rgba(245,158,11,0.12); }
.variant-row-csr   td { background: rgba(192,132,252,0.12); }
.variant-row-cur   td { background: rgba(244,114,182,0.12); }
.variant-row-cpr   td { background: rgba(251,146,60,0.12); }
.variant-row-curio td { background: rgba(45,212,191,0.12); }

.summary-box {
  background: var(--slg-surface);
  border: 1px solid var(--slg-border);
  border-radius: 10px;
  padding: 1.1rem 1.5rem;
  margin-top: 1.25rem;
  max-width: 380px;
  box-shadow: 0 1px 4px rgba(15,23,42,0.06);
}

.summary-box table { margin: 0; }
.summary-box td { padding: 0.3rem 0.5rem; }

/* ── Saved list tabs ─────────────────────────────────────────── */
.saved-tabs-row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
  padding: 0.65rem 0.85rem;
  background: var(--slg-surface);
  border: 1px solid var(--slg-border);
  border-radius: 10px;
  margin-bottom: 0.85rem;
  box-shadow: 0 1px 4px rgba(15,23,42,0.04);
}

.saved-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin: 0;
  padding: 3px 8px 3px 11px;
  font-size: 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.5;
}
.saved-tab.active {
  background: var(--slg-navy) !important;
  color: #fff !important;
  border-color: var(--slg-navy) !important;
}
.saved-tab.active:hover { background: var(--slg-navy-hover) !important; border-color: var(--slg-navy-hover) !important; }

.saved-tab-x {
  font-size: 1rem;
  line-height: 1;
  opacity: 0.5;
  padding: 0 1px;
  cursor: pointer;
}
.saved-tab-x:hover { opacity: 1; }

/* ── Card thumbnail zoom ─────────────────────────────────────── */
.card-thumb-wrap {
  position: relative;
  display: inline-block;
  cursor: zoom-in;
}
.card-thumb-zoom {
  display: none;
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45);
  width: auto;
}
.card-thumb-wrap:hover .card-thumb-zoom { display: block; }

/* ── Printing selector ───────────────────────────────────────── */
.printing-select {
  margin: 0 !important;
  padding: 2px 1.75rem 2px 6px !important;
  font-size: 0.8rem !important;
  height: auto !important;
  max-width: 160px;
  display: inline-block;
  width: auto !important;
}

/* ── Card thumbnail ──────────────────────────────────────────── */
.card-thumb { max-width: none !important; }

/* ── Upload status ───────────────────────────────────────────── */
#status-msg { min-height: 1.5em; }

/* ── Search page history panel ───────────────────────────────── */
tr.card-row { cursor: pointer; }
tr.card-row:hover td { background: var(--slg-navy-light); }
tr.card-row.active td { background: #eef3ff; }
tr.history-row td { padding: 0; }

.history-panel {
  padding: 0.9rem 1.4rem;
  background: var(--slg-surface);
  border-top: 2px solid var(--slg-navy);
  border-bottom: 1px solid var(--slg-border);
}

.history-panel h4 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  color: var(--slg-navy);
}

.history-panel table { margin: 0; font-size: 0.875rem; }
.history-panel td, .history-panel th { padding: 0.28rem 0.55rem; }

.delta-up   { color: var(--slg-green); font-size: 0.75rem; }
.delta-down { color: var(--slg-red);   font-size: 0.75rem; }
.delta-same { color: var(--slg-muted); font-size: 0.75rem; }

/* ── Price history chart ─────────────────────────────────────── */
.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.chart-toolbar-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--slg-text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-range-btns { display: flex; gap: 0.25rem; }

.range-btn {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border: 1.5px solid var(--slg-border-dark);
  border-radius: 5px;
  background: var(--slg-surface);
  color: var(--slg-text-2);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  line-height: 1.5;
}
.range-btn:hover, .range-btn.active {
  background: var(--slg-navy);
  border-color: var(--slg-navy);
  color: #fff;
}

.chart-wrap {
  position: relative;
  height: 180px;
  width: 100%;
  margin-bottom: 1rem;
}

.chart-no-data {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slg-muted);
  font-size: 0.875rem;
  border: 1px dashed var(--slg-border-dark);
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* ── Page fade-in ────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}
main.container { animation: fadeIn 0.18s ease; }

/* ── Price column ────────────────────────────────────────────── */
.price-col {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Empty state ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--slg-muted);
  font-size: 0.95rem;
  border: 1px dashed var(--slg-border-dark);
  border-radius: 10px;
  margin-top: 1rem;
}

/* ── Hamburger button ────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 6px;
  margin: 0;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: rgba(255,255,255,0.85);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.site-nav.nav-open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.nav-open .nav-hamburger span:nth-child(2) { opacity: 0; }
.site-nav.nav-open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Nav collapse ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-hamburger { display: flex; }
  .site-nav { padding: 0 0.85rem; }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: linear-gradient(135deg, #1e3a5c 0%, #22456e 100%);
    padding: 0.5rem 0.85rem 0.85rem;
    gap: 0.2rem;
    box-shadow: 0 6px 16px rgba(0,0,0,0.25);
    z-index: 99;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .site-nav.nav-open .nav-links { display: flex; }
  .nav-links a { padding: 0.6rem 0.85rem; font-size: 0.95rem; white-space: nowrap; }
  .nav-links a.active::after { display: none; }
}

/* ── Mobile ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .page-header { padding: 1.4rem 0 1.1rem; }
  .page-header h1 { font-size: 1.4rem; }
  .history-panel-top { flex-direction: column; }
  .summary-box { max-width: 100%; }
  .hide-mobile { display: none !important; }
  .card-img-zoom { display: none !important; }
  .card-img { cursor: default; width: 100%; max-width: 160px; }
}