:root {
  /* Everforest Dark Hard — https://github.com/sainnhe/everforest */
  --bg-dim:       #1E2326;  /* bg_dim — dimmed/inactive areas */
  --bg-base:      #272E33;  /* bg0 — main background */
  --bg-surface:   #2E383C;  /* bg1 — surfaces, cards */
  --bg-elevated:  #374145;  /* bg2 — elevated, selection */
  --bg-hover:     #414B50;  /* bg3 — hover, borders */
  --bg-muted:     #495156;  /* bg4 — muted UI elements */
  --text-primary: #D3C6AA;  /* fg */
  --text-muted:   #859289;  /* grey1 */
  --text-subtle:  #9DA9A0;  /* grey2 */
  --text-faint:   #7A8478;  /* grey0 */
  --border:       #414B50;  /* bg3 */
  --accent:       #A7C080;  /* green */
  --accent-red:   #E67E80;  /* red */
  --accent-orange:#E69875;  /* orange */
  --accent-yellow:#DBBC7F;  /* yellow */
  --accent-aqua:  #83C092;  /* aqua */
  --accent-blue:  #7FBBB3;  /* blue */
  --accent-purple:#D699B6;  /* purple */

}

/* Override matcha.css palette with Everforest
   Specificity 0-2-0 ties matcha's dark-mode rules; cascade order wins. */
:root[data-color-scheme="dark"],
:root:not([data-color-scheme="light"]) {
  --default:      #D3C6AA;
  --bg-default:   #272E33;
  --contrast:     #D3C6AA;
  --bg-contrast:  #1E2326;
  --muted:        #859289;
  --bg-muted:     #2E383C;
  --accent:       #A7C080;
  --bg-accent:    #374145;
  --active:       #83C092;
  --bg-active:    #374145;
  --success:      #A7C080;
  --bg-success:   #2E383C;
  --danger:       #E67E80;
  --bg-danger:    #2E383C;
  --attention:    #DBBC7F;
  --bg-attention: #2E383C;
  --severe:       #E69875;
  --bg-severe:    #2E383C;
  --variant:      #D699B6;
  --bg-variant:   #2E383C;
}

html {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: '3270NF', 'Andale Mono', monospace;
  color-scheme: dark;
}

body {
  background: var(--bg-base);
  max-width: 48rem;
  margin: 0 auto;
  padding: 1rem;
}

a { color: var(--accent); }
a:hover { color: var(--accent-aqua); }

h1, h2, h3, h4, h5, h6 { color: var(--accent); }

nav a { margin-right: 1rem; }

code, pre {
  background: var(--bg-elevated);
  border-color: var(--border);
}

blockquote {
  border-left-color: var(--accent);
  color: var(--text-muted);
}

hr { border-color: var(--border); }

table {
  border-color: var(--border);
}

th {
  background: var(--bg-elevated);
  color: var(--accent);
}

td {
  border-color: var(--border);
}

footer {
  color: var(--text-faint);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1rem;
  font-size: 0.85rem;
}

/* KG page */
.kg-stats {
  display: flex;
  gap: 1.5rem;
  margin: 1rem 0;
}

.kg-stat {
  text-align: center;
}

.kg-stat-num {
  font-size: 1.5rem;
  color: var(--accent);
  display: block;
}

.kg-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.query-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.query-presets button {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.query-presets button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

#sparql-input {
  width: 100%;
  min-height: 8rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 0.75rem;
  font-family: inherit;
  font-size: 0.85rem;
  resize: vertical;
}

#sparql-input:focus {
  outline: none;
  border-color: var(--accent);
}

#run-query {
  background: var(--accent);
  color: var(--bg-base);
  border: none;
  padding: 0.5rem 1.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  margin-top: 0.5rem;
  font-weight: bold;
}

#run-query:hover {
  background: var(--accent-aqua);
}

#run-query:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#results-table {
  width: 100%;
  margin-top: 1rem;
  border-collapse: collapse;
  font-size: 0.85rem;
}

#results-table th,
#results-table td {
  padding: 0.4rem 0.6rem;
  text-align: left;
  border: 1px solid var(--border);
}

#results-table th {
  background: var(--bg-elevated);
  color: var(--accent);
}

#results-table td {
  background: var(--bg-surface);
  word-break: break-all;
}

#kg-error {
  color: var(--accent-red);
  margin-top: 0.5rem;
  font-size: 0.85rem;
}

.data-links a {
  display: block;
  margin: 0.25rem 0;
}

/* Knowledge graph drawer */
.kg-card {
  position: fixed;
  top: 4rem;
  right: 0;
  bottom: 4rem;
  width: 800px;
  max-width: 85vw;
  background: var(--bg-surface);
  border: 1px solid var(--accent-aqua);
  border-right: none;
  display: flex;
  flex-direction: column;
  transform: translateX(calc(100% - 40px));
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 50;
  cursor: pointer;
}

.kg-card.active {
  transform: translateX(0);
  cursor: default;
}

.kg-card-tab {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  writing-mode: vertical-rl;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  cursor: pointer;
}

.kg-card-body {
  margin-left: 40px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  height: 100%;
}

.kg-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
}

.kg-card-title {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.kg-card-legend {
  display: flex;
  gap: 0.75rem;
  font-size: 0.65rem;
  color: var(--text-faint);
}

.kg-card-legend span::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.3rem;
  vertical-align: middle;
}

.kg-legend-recipe::before    { background: var(--accent-red); }
.kg-legend-pattern::before   { background: var(--accent); }
.kg-legend-ingredient::before{ background: var(--accent-yellow); }
.kg-legend-flavor::before    { background: var(--accent-purple); }
.kg-legend-cuisine::before   { background: var(--accent-blue); }

#kg-graph {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
#kg-graph svg { width: 100%; height: 100%; }

.kg-card-footer {
  display: flex;
  justify-content: flex-end;
  padding: 0.4rem 1rem;
  border-top: 1px solid var(--border);
}

.kg-card-footer a {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.kg-card-footer a:hover {
  color: var(--accent);
}

/* Skeleton pulse */
@keyframes kg-pulse {
  0%, 100% { opacity: 0.12; }
  50% { opacity: 0.3; }
}
.kg-skeleton circle, .kg-skeleton line {
  animation: kg-pulse 1.5s ease-in-out infinite;
}
.kg-skeleton circle { fill: var(--text-faint); }
.kg-skeleton line { stroke: var(--text-faint); stroke-width: 1; }

/* Real graph */
.kg-node circle, .kg-node text, .kg-edge line, .kg-edge text { transition: opacity 0.2s; }
.kg-focused .kg-node.kg-dim circle   { opacity: 0.15; }
.kg-focused .kg-node.kg-dim text     { opacity: 0.1; }
.kg-focused .kg-edge.kg-dim line     { opacity: 0.06; }
.kg-focused .kg-edge.kg-dim text     { opacity: 0; }

.kg-node circle { stroke: var(--bg-base); stroke-width: 2; cursor: grab; transition: filter 0.15s, opacity 0.2s; }
.kg-node circle:active { cursor: grabbing; }
.kg-node:hover circle { filter: brightness(1.3); }
.kg-node-label { fill: var(--text-primary); font-size: 0.7rem; text-anchor: middle; pointer-events: none; }
.kg-edge line { stroke: var(--text-faint); stroke-width: 1; }
.kg-edge-label { fill: var(--text-faint); font-size: 0.6rem; text-anchor: middle; }
.kg-status { position: absolute; bottom: 0.5rem; left: 0.75rem; font-size: 0.7rem; color: var(--text-faint); }

@media (max-width: 768px) {
  body {
    padding: 0.75rem;
  }

  /* Stats wrap on narrow screens */
  .kg-stats {
    flex-wrap: wrap;
  }

  /* Bigger tap targets for preset buttons */
  .query-presets button {
    padding: 0.5rem 0.9rem;
    font-size: 0.9rem;
  }

  /* Results table scroll horizontally */
  #results-table {
    display: block;
    overflow-x: auto;
  }

  /* KG drawer: make full-width on mobile */
  .kg-card {
    width: 100vw;
    max-width: 100vw;
    top: 0;
    bottom: 0;
  }

  /* KG legend wraps */
  .kg-card-legend {
    flex-wrap: wrap;
  }
}