/* ── GUIDE PANEL ── */
.guide-overlay {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 20px;
  pointer-events: none;
}

.guide-panel {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: 300px;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  transform: translateY(12px) scale(0.97);
  opacity: 0;
  transition: transform 0.25s cubic-bezier(.4,0,.2,1), opacity 0.25s cubic-bezier(.4,0,.2,1);
}
.guide-panel.visible {
  pointer-events: all;
  transform: translateY(0) scale(1);
  opacity: 1;
}

.guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.guide-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
}

.guide-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-muted);
  font-size: 18px;
  line-height: 1;
  padding: 2px;
  transition: color 0.15s;
}
.guide-close:hover { color: var(--ink); }

.guide-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.guide-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.guide-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 15px;
}

.guide-item-text strong {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 2px;
}
.guide-item-text span {
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.5;
}

.guide-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.guide-contact {
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.5;
}
.guide-contact a { color: var(--accent); text-decoration: none; font-weight: 500; }
.guide-contact a:hover { text-decoration: underline; }

.guide-cookie-link {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 4px;
  padding: 0;
  border: none;
  background: none;
  color: var(--ink-muted);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s;
}
.guide-cookie-link:hover { color: var(--ink); }


/* ── GRAPH WRAPPER ── */
.graph-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#graph {
  position: absolute;
  inset: 0;
  background-color: var(--cream);
}

/* ── SEARCH BAR ── */
.search-bar-row {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-bar {
  position: relative;
  width: 260px;
}

.random-node-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
  color: var(--ink-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.random-node-btn:hover {
  color: var(--ink);
  background: rgba(28,28,26,0.04);
  border-color: var(--ink-faint);
}

/* Icon floats inside the input, like cocina/posts search */
.search-bar > svg:first-child {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-faint);
  pointer-events: none;
  z-index: 1;
}

.search-input {
  width: 100%;
  padding: 10px 36px 10px 36px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-input:focus {
  border-color: #185FA5;
  box-shadow: 0 0 0 3px rgba(24,95,165,0.1), var(--shadow-sm);
}
.search-input::placeholder { color: var(--ink-faint); }

.search-clear {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  color: var(--ink-faint);
  transition: color 0.15s;
  border-radius: 50%;
}
.search-clear:hover { color: var(--ink); }
.search-clear[hidden] { display: none; }

.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 6px;
}
.search-results[hidden] { display: none; }

.search-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 9px;
  cursor: pointer;
  text-align: left;
}
.search-result:hover { background: rgba(28,28,26,0.05); }

.search-result-thumb {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: rgba(28,28,26,0.06);
}

.search-result-label {
  font-size: 13px;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-results-empty {
  padding: 10px 8px;
  font-size: 13px;
  color: var(--ink-faint);
}

/* ── ZOOM CONTROLS ── */
.zoom-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  box-shadow: var(--shadow-sm);
  gap: 1px;
}

.zoom-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  transition: background 0.15s, color 0.15s;
}
.zoom-btn:hover {
  background: rgba(28,28,26,0.06);
  color: var(--ink);
}
.zoom-btn + .zoom-btn {
  border-top: 1px solid var(--border);
  border-radius: 0;
}
.zoom-btn:last-child { border-radius: 0 0 7px 7px; }
.zoom-btn:first-child { border-radius: 7px 7px 0 0; }

/* ── EDGE TOOLTIP ── */
.edge-tooltip {
  position: absolute;
  z-index: 15;
  max-width: 220px;
  transform: translate(-50%, calc(-100% - 12px));
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 7px 11px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--ink);
  text-align: center;
  pointer-events: none;
}
.edge-tooltip[hidden] { display: none; }

/* ── RELATION LEGEND ── */
/* Colors mirror js/graph.js edge styles: solid blue = kind "directa",
   dashed grey = kind "ingrediente" (shared ingredient/elaboration). */
.graph-legend {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 12px;
  box-shadow: var(--shadow-sm);
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-muted);
  white-space: nowrap;
}

.legend-line {
  width: 20px;
  height: 0;
  border-top: 3px solid;
  flex-shrink: 0;
}
.legend-line-directa     { border-color: #185FA5; border-style: solid; }
.legend-line-ingrediente { border-color: #8A93A3; border-style: dashed; }

/* ── FILTER AREA ── */
.filter-area {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 21;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  pointer-events: none;
}

/* ── FILTER PANEL ── */
.filter-panel {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  width: 320px;
  max-height: calc(100vh - var(--site-header-h) - 200px);
  overflow-y: auto;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(8px) scale(0.97);
  opacity: 0;
  transition: transform 0.22s cubic-bezier(.4,0,.2,1), opacity 0.22s cubic-bezier(.4,0,.2,1), visibility 0s 0.22s;
}
.filter-panel.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transition: transform 0.22s cubic-bezier(.4,0,.2,1), opacity 0.22s cubic-bezier(.4,0,.2,1), visibility 0s 0s;
}

.filter-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px 10px;
  border-bottom: 1px solid var(--border);
}
.filter-panel-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.filter-panel-title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.filter-clear-btn {
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 100px;
  cursor: pointer;
  padding: 4px 10px;
  font-family: var(--sans);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.12s;
}
.filter-clear-btn:hover { background: #134d87; }
.filter-clear-btn:active { transform: scale(0.97); }
.filter-panel-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-faint);
  font-size: 18px;
  line-height: 1;
  padding: 0 2px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
.filter-panel-close:hover { color: var(--ink); }

.filter-panel-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
}

/* ── CONTROL GROUP (inside panel — vertical layout) ── */
.control-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  pointer-events: all;
}

.control-group-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── DESKTOP: wider panel, tidier grids ── */
@media (min-width: 769px) {
  .filter-panel {
    width: 480px;
  }
  .control-group-row {
    flex-wrap: nowrap;
  }
  .control-group-row .control-group {
    flex: 1;
    min-width: 0;
  }
  .control-group-row .tag-dropdown {
    width: 100%;
  }
  .control-group-row .tag-dropdown-btn {
    width: 100%;
    justify-content: space-between;
  }
  #filter-curso.btn-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
  }
  #filter-curso .filter-btn {
    text-align: center;
  }
}

.filter-panel-divider {
  height: 1px;
  background: var(--border);
}

.control-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.control-hint {
  font-size: 10px;
  font-weight: 400;
  font-style: italic;
  text-transform: none;
  letter-spacing: normal;
  color: var(--ink-faint);
  opacity: 0.7;
}

/* ── FILTER INFO TOOLTIP (per-filter help) ── */
.control-label-row {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.filter-info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
  padding: 0;
  border: none;
  background: none;
  color: var(--ink-faint);
  opacity: 0.6;
  cursor: pointer;
  transition: color 0.15s, opacity 0.15s;
}
.filter-info-btn:hover,
.filter-info-btn.active {
  color: var(--accent);
  opacity: 1;
}
.filter-info-tip {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 5;
  width: max-content;
  max-width: min(220px, calc(100vw - 48px));
  background: var(--ink);
  color: #fff;
  font-size: 11.5px;
  font-weight: 400;
  line-height: 1.45;
  text-transform: none;
  letter-spacing: normal;
  padding: 7px 10px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}
.filter-info-tip.open { display: block; }

/* Rightmost column in a row — anchor the tip to the icon's right edge so it
   opens back over the panel instead of past its right border. */
.control-group-row .control-group:last-child .filter-info-tip {
  left: auto;
  right: 0;
}

/* ── FILTER TOGGLE BUTTON ── */
.filter-toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px 9px 13px;
  background: var(--cream);
  color: var(--ink-muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: color 0.2s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  pointer-events: all;
}
.filter-toggle-btn:hover {
  color: var(--ink);
  border-color: var(--ink-faint);
}
.filter-toggle-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(24,95,165,0.3);
}
.filter-toggle-btn.active svg { stroke: #fff; }
.filter-toggle-btn.has-filters:not(.active) {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.filter-toggle-btn.has-filters:not(.active) svg { stroke: #fff; }

.filter-badge {
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 100px;
  background: #fff;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  flex-shrink: 0;
  margin-left: 2px;
}

/* ── BUTTON GROUP ── */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.filter-btn {
  padding: 6px 13px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--cream);
  color: var(--ink-muted);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.filter-btn:hover {
  color: var(--ink);
  border-color: rgba(28,28,26,0.3);
  background: rgba(28,28,26,0.04);
}
.filter-btn.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.filter-btn.active .filter-count { color: rgba(255,255,255,0.75); }

/* ── TAG DROPDOWN ── */
.tag-dropdown { position: relative; }

.tag-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--ink-muted);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.tag-dropdown-btn:hover {
  border-color: var(--ink-faint);
  color: var(--ink);
}
.tag-dropdown-btn.has-selection {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.tag-dropdown-btn.has-selection svg { stroke: #fff; }

.tag-dropdown-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  left: 1px;
  right: 1px;
  bottom: 1px;
  background: var(--cream);
  border-top: 1px solid var(--border);
  border-radius: 0 0 13px 13px;
  overflow: hidden;
  z-index: 1000;
}
.tag-dropdown-menu.open { display: flex; }

.ing-close-bar {
  display: flex;
  justify-content: flex-end;
  padding: 4px 4px 2px;
  flex-shrink: 0;
}
.ing-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-faint);
  font-size: 20px;
  line-height: 1;
  padding: 0 4px;
  transition: color 0.15s;
}
.ing-close-btn:hover { color: var(--ink); }

.ing-search-input {
  flex-shrink: 0;
  margin: 0 8px 6px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(28,28,26,0.03);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink);
  outline: none;
}
.ing-search-input:focus { border-color: #185FA5; }

.ing-options {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 4px 8px;
}

.filter-panel.open.ing-open { overflow-y: hidden; }

.tag-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s;
  font-size: 13px;
  color: var(--ink-muted);
  user-select: none;
}
.tag-option[hidden] { display: none; }
.tag-option:hover { background: rgba(28,28,26,0.05); color: var(--ink); }
.tag-option input[type="checkbox"] {
  accent-color: var(--ink);
  width: 14px; height: 14px;
  flex-shrink: 0;
  cursor: pointer;
}

.alergeno-hint {
  margin: 4px 12px 0;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--ink-faint);
  line-height: 1.5;
}

.alergeno-reg-link {
  display: block;
  padding: 4px 12px 8px;
  font-size: 11px;
  color: var(--ink-faint);
  text-decoration: none;
  transition: color 0.15s;
}
.alergeno-reg-link:hover { color: var(--accent); }

/* ── ALLERGEN CHIPS (editor panel) ── */
.ef-allergen-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  cursor: pointer;
  background: var(--cream);
  color: var(--ink-muted);
  transition: background 0.15s;
}
.ef-allergen-chip input[type="checkbox"] { width: 12px; height: 12px; }

/* ── SALUD CHIPS (editor panel) ── */
.ef-salud-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  cursor: pointer;
  background: var(--cream);
  color: var(--ink-muted);
  transition: background 0.15s;
}
.ef-salud-chip input[type="checkbox"] { width: 12px; height: 12px; }

/* ── LOADING STATE ── */
#graph.loading::after {
  content: 'Cargando…';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 18px;
  font-style: italic;
  color: var(--ink-faint);
}