* { box-sizing: border-box; }
body { font-family: Arial, sans-serif; margin: 0; background: #0f172a; color: #e2e8f0; }
header { padding: 16px; text-align: center; font-size: 36px; font-weight: bold; background: #020617; color: #2ead33; display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }
.header-logo { height: 44px; width: auto; flex-shrink: 0; }

.meta-bar { display: flex; justify-content: center; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 16px; background: #020617; border-top: 1px solid #1e293b; }

/* Shields-style split badges: dark label (k) + colored value (v) */
.meta-badge {
  display: inline-flex; align-items: stretch;
  border-radius: 6px; overflow: hidden;
  font-size: 12px; font-family: ui-monospace, Menlo, Consolas, monospace;
  box-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
.meta-badge .k {
  background: #1e293b; color: #94a3b8;
  padding: 5px 10px; letter-spacing: 0.02em; white-space: nowrap;
}
.meta-badge .v {
  padding: 5px 10px; font-weight: 700; color: #020617; white-space: nowrap;
}

/* Mobile: equal-width badges in a tidy two-column grid */
@media (max-width: 600px) {
  .meta-bar { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 12px 10px; }
  .meta-badge { width: 100%; min-width: 0; font-size: 10px; }
  .meta-badge .k {
    flex: 1 1 auto; min-width: 0; padding: 5px 7px;
    overflow: hidden; text-overflow: ellipsis;
  }
  .meta-badge .v { flex: 0 0 auto; padding: 5px 7px; text-align: right; }
}

/* Visitor badge glows once when first scrolled into view */
.visitor-counter { position: relative; }
.visitor-counter.loaded { animation: visitorGlow 2s ease-in-out 1; }
@keyframes visitorGlow {
  0%   { box-shadow: 0 0 0 0 rgba(251,146,60,0.5); }
  50%  { box-shadow: 0 0 0 5px rgba(251,146,60,0.12); }
  100% { box-shadow: 0 0 0 0 rgba(251,146,60,0); }
}

.container { padding: 15px; max-width: 1200px; margin: auto; }

.search-wrap { position: relative; margin-bottom: 12px; }
input[type=text] {
  width: 100%; padding: 10px 70px 10px 14px;
  border-radius: 8px; border: 1px solid #334155;
  background: #1e293b; color: #e2e8f0; font-size: 15px;
}
input[type=text]::placeholder { color: #64748b; }
input[type=text]:focus { outline: none; border-color: #64748b; }
.search-shortcut {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: #0f172a; border: 1px solid #334155; color: #475569;
  padding: 2px 6px; border-radius: 4px; font-size: 11px; font-family: monospace;
  pointer-events: none; user-select: none;
}

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filter-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 999px; border: none;
  background: rgba(255,255,255,0.06); color: #cbd5e1;
  cursor: pointer; font-size: 15px; font-weight: 700;
  transition: all 0.15s; white-space: nowrap;
}
.filter-btn:hover  { background: rgba(255,255,255,0.12); }
.filter-btn.active { background: rgba(255,255,255,0.18); color: #fff; outline: 2px solid rgba(255,255,255,0.25); }
.filter-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

.toolbar { display: flex; justify-content: flex-end; gap: 6px; margin-bottom: 14px; }
.view-btn {
  padding: 5px 12px; border: 1px solid #334155; border-radius: 6px;
  background: transparent; color: #94a3b8; cursor: pointer; font-size: 12px;
}
.view-btn.active { background: #1e293b; color: #e2e8f0; border-color: #475569; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.group-section { margin-bottom: 28px; }
.group-header {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 10px;
  padding-bottom: 8px; border-bottom: 1px solid #1e293b;
}
.group-count { font-weight: 600; }

.tile {
  color: #0f172a;
  aspect-ratio: 1 / 1;
  border-radius: 12px; padding: 10px 8px;
  text-align: center; cursor: pointer; font-weight: 500; font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.15s, box-shadow 0.15s;
  word-wrap: break-word; overflow-wrap: break-word;
  white-space: normal; position: relative;
}
.tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  outline: 2px solid rgba(255,255,255,0.85);
}
.tile:focus-visible { outline: 3px solid #f8fafc; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  .tile { transition: none; }
  .tile:hover { transform: none; }
}

/* Flat pastel fills grouped by family. Each fill must pass 4.5:1 against the tile
   text colour #0f172a. Keep families contiguous and in index.js order. */
/* Setup (blue) */
.config        { background: #72a0f5; }
.setup         { background: #76bafe; }
.cli           { background: #a3e7ff; }
/* Finding (cyan) */
.query         { background: #3bcddc; }
.accessibility { background: #75ecde; }
/* Acting (green) */
.action        { background: #3ec87d; }
.utility       { background: #84d987; }
.clock         { background: #b8e688; }
.media         { background: #e2f07d; }
/* Debugging (yellow) */
.tracing       { background: #f4c43a; }
.network       { background: #f4e886; }
/* Checking (orange) */
.assertion     { background: #f98e52; }
.api           { background: #feb671; }
/* Structure (rose) */
.fixture       { background: #f0777a; }
.pattern       { background: #f996a9; }
.component     { background: #ffb5cd; }

.tile-level {
  position: absolute; top: 7px; right: 9px;
  font-size: 9px; letter-spacing: 1px; line-height: 1;
}
.tile-popular {
  position: absolute; top: 6px; left: 8px;
  font-size: 11px; line-height: 1;
}
.tile-inner { display: flex; flex-direction: column; align-items: center; gap: 3px; width: 100%; }
.tile-num   { font-size: 13px; font-weight: 700; }
.tile-name  { font-size: 17px; overflow-wrap: anywhere; width: 100%; text-align: center; }

.modal {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.75);
  display: none; align-items: center; justify-content: center; z-index: 100;
}
.modal-content {
  position: relative; background: #1e293b; padding: 24px;
  border-radius: 12px; max-width: 640px; width: 90%; max-height: 90vh; overflow-y: auto;
}
.close-icon {
  position: absolute; top: 12px; right: 16px;
  font-size: 24px; cursor: pointer; color: #475569; line-height: 1;
}
.close-icon:hover { color: #e2e8f0; }

.modal-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 8px; }
.modal-title  { font-size: 20px; font-weight: 700; margin: 0; padding-right: 30px; }

.level-badge {
  font-size: 11px; padding: 3px 10px; border-radius: 999px;
  font-weight: 600; white-space: nowrap; flex-shrink: 0; margin-top: 3px;
}
.level-beginner     { background: rgba(22,163,74,0.2);  color: #4ade80; }
.level-intermediate { background: rgba(234,88,12,0.2);  color: #fb923c; }
.level-advanced     { background: rgba(126,34,206,0.2); color: #c084fc; }

.modal-desc { color: #94a3b8; font-size: 14px; margin: 0 0 14px; line-height: 1.65; }
pre {
  background: #020617; padding: 14px; border-radius: 8px;
  overflow: auto; white-space: pre-wrap; word-break: break-word;
  font-size: 13px; line-height: 1.65; margin: 0 0 14px;
}
/* Syntax highlighting tokens (see js/highlight.js) */
#m-code .tok-keyword { color: #38bdf8; }
#m-code .tok-string  { color: #4ade80; }
#m-code .tok-api     { color: #c084fc; }
#m-code .tok-number  { color: #fb923c; }
#m-code .tok-comment { color: #94a3b8; font-style: italic; }
#m-code .tok-fn      { color: #fbbf24; }
.modal-tip {
  background: #0f172a; border-left: 3px solid #38bdf8;
  padding: 10px 14px; border-radius: 0 6px 6px 0;
  font-size: 13px; color: #94a3b8; line-height: 1.6; margin-bottom: 18px;
}
.modal-tip strong { color: #38bdf8; }

.modal-footer { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.btn-copy {
  background: #38bdf8; color: #000; padding: 7px 16px;
  border: none; border-radius: 6px; cursor: pointer;
  font-size: 13px; font-weight: 600; transition: background 0.15s;
}
.btn-copy:hover  { background: #7dd3fc; }
.btn-copy.copied { background: #4ade80; }
.btn-docs {
  background: transparent; border: 1px solid #334155; color: #94a3b8;
  padding: 7px 14px; border-radius: 6px; cursor: pointer; font-size: 13px;
  text-decoration: none; display: inline-block; transition: all 0.15s;
}
.btn-docs:hover { border-color: #64748b; color: #e2e8f0; }
.btn-close {
  background: transparent; border: 1px solid #334155; color: #94a3b8;
  padding: 7px 14px; border-radius: 6px; cursor: pointer;
  font-size: 13px; margin-left: auto; transition: all 0.15s;
}
.btn-close:hover { border-color: #64748b; color: #e2e8f0; }

.empty-state {
  grid-column: 1 / -1; text-align: center;
  padding: 60px 20px; color: #94a3b8; font-size: 15px;
}