/**
 * GAT Ammo Finder — Stylesheet
 * Version: 1.3.1 (2026-05-19: align top category cards with caliber button color variables)
 * Inherits GATDeals.com header/footer. Scoped to #gat-ammo-finder.
 */

/* ── Variables ─────────────────────────────────────────────────────────────── */
#gat-ammo-finder {
  --gaf-primary:      #c0392b;   /* GAT red */
  --gaf-primary-dark: #922b21;
  --gaf-accent:       #e67e22;   /* price highlight orange */
  --gaf-bg:           #0d1117;   /* dark background */
  --gaf-surface:      #161b22;   /* card background */
  --gaf-border:       #30363d;
  --gaf-text:         #e6edf3;
  --gaf-muted:        #8b949e;
  --gaf-green:        #3fb950;   /* "in stock" / best price */
  /* Category color coding (data-cat attribute on caliber buttons + cards) */
  --gaf-cat-rifle:    #3fb950;   /* green — hunting/precision */
  --gaf-cat-handgun:  #5b8dee;   /* steel blue — defense/duty */
  --gaf-cat-shotgun:  #e67e22;   /* orange — clay/upland */
  --gaf-cat-rimfire:  #f0b429;   /* yellow — small bore / training */
  --gaf-radius:       8px;
  --gaf-radius-sm:    4px;
  --gaf-shadow:       0 2px 8px rgba(0,0,0,0.4);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--gaf-text);
  background: var(--gaf-bg);
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  box-sizing: border-box;
}

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

/* ── Header ─────────────────────────────────────────────────────────────────── */
.gaf-header { margin-bottom: 24px; }
.gaf-title  { font-size: 28px; font-weight: 700; margin: 0 0 6px; color: var(--gaf-text); }
.gaf-subtitle { font-size: 14px; color: var(--gaf-muted); margin: 0; }

/* ── Caliber Nav ─────────────────────────────────────────────────────────────── */
.gaf-caliber-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  /* CLS fix (2026-06-21): reserve space for the async-loaded caliber pills so the
     "Loading calibers…" placeholder does not expand into multiple wrapped rows and
     shift everything below it. align-content keeps wrapped rows top-aligned. */
  min-height: 120px;
  align-content: flex-start;
}

.gaf-caliber-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--gaf-surface);
  border: 1px solid var(--gaf-border);
  border-radius: 20px;
  color: var(--gaf-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.gaf-caliber-btn:hover {
  background: #21262d;
  border-color: var(--gaf-primary);
}

.gaf-caliber-btn.active {
  background: var(--gaf-primary);
  border-color: var(--gaf-primary);
  color: #fff;
}

.gaf-cal-count {
  font-size: 11px;
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 1px 6px;
}

.gaf-caliber-btn.active .gaf-cal-count {
  background: rgba(255,255,255,0.25);
}

/* "All Calibers" escape-hatch pill at the start of the tab row. Neutral
   gray (not category-colored) since it represents "no filter" not a
   selected category. Active state is a subtle highlight, not GAT red. */
.gaf-caliber-all {
  font-weight: 600;
  color: var(--gaf-muted);
}
.gaf-caliber-all:hover {
  color: var(--gaf-text);
  border-color: var(--gaf-text);
  background: var(--gaf-surface);
}
.gaf-caliber-all.active {
  background: #2d333b;
  border-color: var(--gaf-muted);
  color: var(--gaf-text);
}

/* Category-coded caliber tabs: 3px left-border accent in idle state,
   full background color when active. Rimfire (yellow) needs dark text. */
.gaf-caliber-btn[data-cat="rifle"]   { border-left: 3px solid var(--gaf-cat-rifle); }
.gaf-caliber-btn[data-cat="handgun"] { border-left: 3px solid var(--gaf-cat-handgun); }
.gaf-caliber-btn[data-cat="shotgun"] { border-left: 3px solid var(--gaf-cat-shotgun); }
.gaf-caliber-btn[data-cat="rimfire"] { border-left: 3px solid var(--gaf-cat-rimfire); }

.gaf-caliber-btn[data-cat="rifle"].active   { background: var(--gaf-cat-rifle);   border-color: var(--gaf-cat-rifle); }
.gaf-caliber-btn[data-cat="handgun"].active { background: var(--gaf-cat-handgun); border-color: var(--gaf-cat-handgun); }
.gaf-caliber-btn[data-cat="shotgun"].active { background: var(--gaf-cat-shotgun); border-color: var(--gaf-cat-shotgun); }
.gaf-caliber-btn[data-cat="rimfire"].active { background: var(--gaf-cat-rimfire); border-color: var(--gaf-cat-rimfire); color: #0d1117; }
.gaf-caliber-btn[data-cat="rimfire"].active .gaf-cal-count { background: rgba(0,0,0,0.15); color: #0d1117; }

/* ── F11: Caliber compatibility toggle ──────────────────────────────────── */
.gaf-compat-toggle {
  margin: 0 0 12px;
  padding: 10px 14px;
  background: var(--gaf-surface);
  border: 1px solid var(--gaf-border);
  border-radius: var(--gaf-radius);
  font-size: 14px;
  color: var(--gaf-text);
}
.gaf-compat-toggle label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin: 0;
}
.gaf-compat-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--gaf-accent, #2b6cb0);
}

/* ── Filter Bar ──────────────────────────────────────────────────────────────── */
.gaf-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  padding: 16px;
  background: var(--gaf-surface);
  border: 1px solid var(--gaf-border);
  border-radius: var(--gaf-radius);
  margin-bottom: 16px;
}

.gaf-filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gaf-filter-group label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gaf-muted);
}

.gaf-filters select {
  background: #0d1117;
  border: 1px solid var(--gaf-border);
  border-radius: var(--gaf-radius-sm);
  color: var(--gaf-text);
  font-size: 13px;
  padding: 6px 10px;
  min-width: 140px;
  cursor: pointer;
}

.gaf-filters select:focus {
  outline: none;
  border-color: var(--gaf-primary);
}

.gaf-btn-reset {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--gaf-border);
  border-radius: var(--gaf-radius-sm);
  color: var(--gaf-muted);
  font-size: 12px;
  cursor: pointer;
  align-self: flex-end;
  transition: color 0.15s, border-color 0.15s;
}
.gaf-btn-reset:hover { color: var(--gaf-text); border-color: var(--gaf-text); }

/* ── Stats Bar ───────────────────────────────────────────────────────────────── */
.gaf-stats-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--gaf-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gaf-border);
}

.gaf-stat-sep { color: var(--gaf-border); }
.gaf-stat-update { margin-left: auto; font-size: 12px; }

/* ── Results Grid ────────────────────────────────────────────────────────────── */
.gaf-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  /* CLS fix (2026-06-21): reserve vertical space so the async-loaded grid does not
     grow from the small spinner state and shove the page below it down on first
     paint (the main /ammo-finder/ layout-shift culprit, field CLS ~0.10-0.15).
     align-content:start keeps the spinner and cards top-aligned in the reserved box. */
  min-height: 80vh;
  align-content: start;
}

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.gaf-card {
  background: var(--gaf-surface);
  border: 1px solid var(--gaf-border);
  border-radius: var(--gaf-radius);
  overflow: hidden;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.gaf-card:hover {
  border-color: var(--gaf-primary);
  transform: translateY(-2px);
  box-shadow: var(--gaf-shadow);
}

/* Category-coded cards: 3px top-border accent. All cards on a given
   caliber page share one color, reinforcing context. */
.gaf-card[data-cat="rifle"]   { border-top: 3px solid var(--gaf-cat-rifle); }
.gaf-card[data-cat="handgun"] { border-top: 3px solid var(--gaf-cat-handgun); }
.gaf-card[data-cat="shotgun"] { border-top: 3px solid var(--gaf-cat-shotgun); }
.gaf-card[data-cat="rimfire"] { border-top: 3px solid var(--gaf-cat-rimfire); }

.gaf-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* Card image */
.gaf-card-img-wrap {
  width: 100%;
  aspect-ratio: 16/9;
  background: #1c2128;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gaf-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

.gaf-card-img-placeholder {
  width: 64px;
  height: 64px;
  background: var(--gaf-border);
  border-radius: 4px;
  opacity: 0.3;
}

/* Card body */
.gaf-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  flex: 1;
}

.gaf-card-merchant {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gaf-muted);
}

.gaf-card-name {
  font-size: 13px;
  line-height: 1.4;
  color: var(--gaf-text);
  /* clamp to 3 lines */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Tags */
.gaf-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.gaf-tag {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  background: #21262d;
  color: var(--gaf-muted);
  border: 1px solid var(--gaf-border);
}

.gaf-tag-type  { background: rgba(192,57,43,0.15); color: #e88; border-color: rgba(192,57,43,0.3); }
.gaf-tag-brand { background: rgba(230,126,34,0.1);  color: #e9a; border-color: rgba(230,126,34,0.3); }

/* Pricing */
.gaf-card-pricing {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}

.gaf-cpr {
  font-size: 22px;
  font-weight: 700;
  color: var(--gaf-green);
}

.gaf-total-price {
  font-size: 13px;
  color: var(--gaf-muted);
}

/* Standing affiliate discount badge — surfaces the checkout code for
   merchants in DISCOUNT_MERCHANTS (PA2 has already baked the discount
   into the displayed price). Small, friendly, not aggressive. */
.gaf-card-discount {
  font-size: 11px;
  font-weight: 500;
  color: #1e7a3b;
  background: #ecf7ee;
  border: 1px solid #cfe6d3;
  border-radius: 4px;
  padding: 4px 8px;
  margin-top: 6px;
  line-height: 1.3;
}
.gaf-card-discount strong {
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Per-card timestamp showing when this listing was last verified from
   the retailer's feed. Honest about price/stock freshness. */
.gaf-card-seen {
  font-size: 10px;
  color: var(--gaf-muted);
  opacity: 0.7;
  margin-top: 2px;
  font-style: italic;
}

/* CTA */
.gaf-card-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--gaf-primary);
  transition: color 0.15s;
}

.gaf-card:hover .gaf-card-cta { color: #e05244; }

/* ── Load More ───────────────────────────────────────────────────────────────── */
.gaf-load-more {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.gaf-btn-more {
  padding: 10px 32px;
  background: var(--gaf-surface);
  border: 1px solid var(--gaf-border);
  border-radius: 20px;
  color: var(--gaf-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.gaf-btn-more:hover {
  background: #21262d;
  border-color: var(--gaf-primary);
}

/* ── Spinner ─────────────────────────────────────────────────────────────────── */
.gaf-spinner {
  display: flex;
  justify-content: center;
  padding: 48px;
  grid-column: 1 / -1;
}

.gaf-spinner span {
  width: 32px;
  height: 32px;
  border: 3px solid var(--gaf-border);
  border-top-color: var(--gaf-primary);
  border-radius: 50%;
  animation: gaf-spin 0.7s linear infinite;
}

@keyframes gaf-spin { to { transform: rotate(360deg); } }

/* ── States ──────────────────────────────────────────────────────────────────── */
.gaf-placeholder,
.gaf-empty,
.gaf-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 16px;
  color: var(--gaf-muted);
  font-size: 14px;
}

.gaf-error { color: #e05244; }

.gaf-caliber-loading {
  color: var(--gaf-muted);
  font-size: 13px;
  padding: 8px 0;
}

/* ── Caliber Bio (editorial content rendered from caliber-content.json) ────── */
/* Appears between the listings and the Load More button. Hidden when no
   caliber is selected. Constrained max-width keeps line length readable. */
.gaf-caliber-bio {
  margin: 40px auto 24px;
  padding: 28px 32px;
  max-width: 820px;
  background: var(--gaf-surface);
  border: 1px solid var(--gaf-border);
  border-radius: var(--gaf-radius);
  color: var(--gaf-text);
  line-height: 1.6;
}

.gaf-caliber-bio h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--gaf-text);
  letter-spacing: -0.01em;
}

.gaf-caliber-bio h2 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gaf-border);
  color: var(--gaf-text);
}

.gaf-caliber-bio h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 20px 0 6px;
  color: var(--gaf-text);
  text-transform: none;
  letter-spacing: 0;
}

.gaf-caliber-bio p {
  font-size: 14px;
  margin: 0 0 12px;
  color: #c9d1d9; /* slightly softer than --gaf-text for body copy */
}

.gaf-caliber-bio a {
  color: var(--gaf-cat-handgun); /* steel blue stands out vs GAT red CTAs */
  text-decoration: underline;
  text-decoration-color: rgba(91, 141, 238, 0.4);
  text-underline-offset: 2px;
}
.gaf-caliber-bio a:hover { text-decoration-color: var(--gaf-cat-handgun); }

.gaf-caliber-bio strong { color: var(--gaf-text); font-weight: 600; }

.gaf-caliber-bio ul, .gaf-caliber-bio ol {
  margin: 0 0 12px 20px;
  padding: 0;
  font-size: 14px;
  color: #c9d1d9;
}
.gaf-caliber-bio li { margin-bottom: 4px; }

/* ── Disclosure ──────────────────────────────────────────────────────────────── */
.gaf-disclosure {
  font-size: 11px;
  color: var(--gaf-muted);
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--gaf-border);
  line-height: 1.5;
}

/* ── Embed mode (iframe) ─────────────────────────────────────────────────────── */
.gat-ammo-embed {
  padding: 12px;
}

.gat-ammo-embed .gaf-header { display: none; }

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .gaf-results {
    grid-template-columns: 1fr;
  }

  .gaf-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .gaf-filters select {
    min-width: unset;
    width: 100%;
  }

  .gaf-title { font-size: 22px; }

  .gaf-cpr { font-size: 18px; }

  .gaf-caliber-nav {
    gap: 6px;
  }

  .gaf-caliber-btn {
    font-size: 12px;
    padding: 6px 10px;
  }

  .gaf-caliber-bio {
    padding: 20px 18px;
    margin: 28px auto 20px;
  }
  .gaf-caliber-bio h1 { font-size: 19px; }
  .gaf-caliber-bio h2 { font-size: 15px; margin-top: 22px; }
  .gaf-caliber-bio h3 { font-size: 13px; }
}

/* ── Category nav (landing page only) ─────────────────────────────────────── */
.gaf-category-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0 0 28px;
}

.gaf-cat-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 18px 16px;
  background: var(--gaf-surface);
  border: 1px solid var(--gaf-border);
  border-left: 3px solid var(--gaf-primary);
  border-radius: var(--gaf-radius);
  color: var(--gaf-text);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.gaf-cat-card:hover {
  background: #1c2128;
  border-color: var(--gaf-primary);
  transform: translateY(-1px);
}

.gaf-cat-card .gaf-cat-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--gaf-text);
}

.gaf-cat-card .gaf-cat-sub {
  font-size: 12px;
  color: var(--gaf-muted);
}

/* Match the caliber-button colors so the top-of-page cards and the per-caliber
   pills share one palette per ammo class. */
.gaf-cat-card-rifle    { border-left-color: var(--gaf-cat-rifle); }
.gaf-cat-card-handgun  { border-left-color: var(--gaf-cat-handgun); }
.gaf-cat-card-shotgun  { border-left-color: var(--gaf-cat-shotgun); }
.gaf-cat-card-rimfire  { border-left-color: var(--gaf-cat-rimfire); }

/* ── Category strip (sub-pages: /handgun/, /rifle/, etc.) ─────────────────── */
.gaf-cat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 20px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gaf-border);
}

.gaf-cat-strip-link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gaf-muted);
  text-decoration: none;
  border-radius: var(--gaf-radius-sm);
  transition: background 0.15s, color 0.15s;
}

.gaf-cat-strip-link:hover {
  color: var(--gaf-text);
  background: var(--gaf-surface);
}

.gaf-cat-strip-link.is-active {
  color: var(--gaf-text);
  background: var(--gaf-primary);
}

/* Mobile */
@media (max-width: 640px) {
  .gaf-category-nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .gaf-cat-card {
    padding: 14px 12px;
  }
  .gaf-cat-card .gaf-cat-label { font-size: 14px; }
  .gaf-cat-card .gaf-cat-sub   { font-size: 11px; }

  .gaf-cat-strip-link {
    padding: 5px 9px;
    font-size: 12px;
  }
}


/* ── Active card state (used on subpages) ──────────────────────────────────── */
.gaf-cat-card.is-active {
  background: #1c2128;
  border-color: var(--gaf-primary);
  border-left-width: 4px;
  box-shadow: var(--gaf-shadow);
  pointer-events: none;
  cursor: default;
}
.gaf-cat-card.is-active .gaf-cat-label { color: var(--gaf-primary); }

.gaf-cat-card-rifle.is-active   { border-color: var(--gaf-cat-rifle); }
.gaf-cat-card-rifle.is-active   .gaf-cat-label { color: var(--gaf-cat-rifle); }
.gaf-cat-card-handgun.is-active { border-color: var(--gaf-cat-handgun); }
.gaf-cat-card-handgun.is-active .gaf-cat-label { color: var(--gaf-cat-handgun); }
.gaf-cat-card-shotgun.is-active { border-color: var(--gaf-cat-shotgun); }
.gaf-cat-card-shotgun.is-active .gaf-cat-label { color: var(--gaf-cat-shotgun); }
.gaf-cat-card-rimfire.is-active { border-color: var(--gaf-cat-rimfire); }
.gaf-cat-card-rimfire.is-active .gaf-cat-label { color: var(--gaf-cat-rimfire); }

.gaf-cat-back {
  margin: -16px 0 24px;
  font-size: 13px;
}
.gaf-cat-back a {
  color: var(--gaf-muted);
  text-decoration: none;
}
.gaf-cat-back a:hover {
  color: var(--gaf-text);
}