/* ── Search ────────────────────────────────────────────────── */
#search-box { position: relative; }
#search-input {
  width: 280px;
  padding: 10px 14px;
  border: 1px solid var(--crem);
  border-radius: 8px;
  background: rgba(10, 14, 24, 0.7);
  backdrop-filter: blur(12px);
  color: var(--stormlight);
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
#search-input:focus {
  border-color: var(--gem-sapphire-glow);
  box-shadow: 0 0 12px rgba(74, 139, 223, 0.15);
}
#search-input::placeholder { color: #445566; }
#search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #556;
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  display: none;
}
#search-clear:hover { color: var(--stormlight); }
#search-suggestions {
  position: absolute;
  top: 44px;
  left: 0;
  width: 280px;
  max-height: 320px;
  overflow-y: auto;
  background: rgba(10, 14, 24, 0.92);
  backdrop-filter: blur(16px);
  border: 1px solid var(--crem);
  border-radius: 8px;
  display: none;
}
.suggestion {
  padding: 8px 14px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.suggestion:hover, .suggestion.active { background: rgba(200, 223, 255, 0.05); }
.suggestion .tag-type {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Filters ───────────────────────────────────────────────── */
#filters {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 680px;
  opacity: 0;
  transition: opacity 0.6s ease 0.3s;
}
.filter-btn {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--crem);
  background: rgba(10, 14, 24, 0.6);
  backdrop-filter: blur(12px);
  color: var(--stormlight);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 7px;
}
.filter-btn.off {
  opacity: 0.25;
  text-decoration: line-through;
}
.filter-gem {
  width: 8px;
  height: 9px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  flex-shrink: 0;
}

/* ── Side panel ────────────────────────────────────────────── */
#panel {
  position: absolute;
  top: 0; right: 0;
  width: 420px;
  height: 100vh;
  background: rgba(10, 14, 24, 0.92);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--crem);
  z-index: 20;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  padding: 28px 24px;
}
#panel.open { transform: translateX(0); }

#panel::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--panel-gem-color);
  box-shadow: 0 0 12px var(--panel-gem-glow), 0 0 25px var(--panel-gem-glow);
  opacity: 0;
  transition: opacity 0.3s ease 0.15s;
}
#panel.open::before { opacity: 1; }

#panel-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: #556;
  font-size: 22px;
  cursor: pointer;
  transition: color 0.2s, text-shadow 0.2s;
  z-index: 1;
}
#panel-close:hover {
  color: var(--panel-gem-glow);
  text-shadow: 0 0 8px var(--panel-gem-glow);
}

#panel-content {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease 0.15s, transform 0.4s ease 0.15s;
}
#panel.open #panel-content {
  opacity: 1;
  transform: translateY(0);
}

#panel h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--panel-gem-glow);
}
.gem-badge {
  display: inline-block;
  font-size: 10px;
  padding: 3px 12px;
  border-radius: 2px;
  clip-path: polygon(8% 0%, 92% 0%, 100% 50%, 92% 100%, 8% 100%, 0% 50%);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  margin-bottom: 8px;
}
.panel-entry-count {
  font-size: 13px;
  color: rgba(200, 223, 255, 0.4);
  margin-bottom: 4px;
}
.browse-all-btn {
  font-size: 12px;
  color: var(--panel-gem-glow);
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
  padding: 0;
  margin-bottom: 18px;
  display: block;
  transition: opacity 0.2s;
}
.browse-all-btn:hover { opacity: 0.7; }

.panel-divider {
  height: 1px;
  margin: 0 0 16px;
  background: linear-gradient(to right, var(--panel-gem-color), transparent);
  opacity: 0.3;
}

.connections-section h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin: 18px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(200, 223, 255, 0.06);
}
.connection-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.2s;
}
.connection-item:hover {
  background: rgba(200, 223, 255, 0.04);
}
.conn-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.conn-gem {
  width: 6px;
  height: 7px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  flex-shrink: 0;
}
.connection-weight {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}

/* ── Implicit Connections ──────────────────────────────────── */
.implicit-connections-section h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin: 18px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(200, 223, 255, 0.06);
}
.implicit-section-header {
  color: var(--gem-heliodor-glow);
  font-size: 0.7rem !important;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.6rem !important;
  margin-top: 0 !important;
  opacity: 0.8;
  border-bottom: none !important;
}
.implicit-connection {
  border-left: 2px dashed var(--gem-heliodor);
  padding-left: 8px;
}
.implicit-weight {
  background: rgba(196, 154, 42, 0.15);
  color: var(--gem-heliodor-glow);
}

/* ── Entries ───────────────────────────────────────────────── */
#entries-section {
  margin-top: 20px;
  display: none;
}
#entries-section h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--stormlight);
  margin-bottom: 12px;
}
.entries-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(200, 223, 255, 0.06);
  margin-bottom: 12px;
}
.entries-back {
  font-size: 12px;
  color: var(--panel-gem-glow);
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
  transition: opacity 0.2s;
}
.entries-back:hover { opacity: 0.7; }

.wob-entry {
  background: rgba(8, 12, 20, 0.6);
  border: 1px solid rgba(200, 223, 255, 0.04);
  border-left: 2px solid var(--panel-gem-color);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
}
.wob-event {
  font-size: 11px;
  color: rgba(200, 223, 255, 0.3);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.wob-event-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--panel-gem-glow);
  flex-shrink: 0;
  opacity: 0.6;
}
.wob-line {
  margin-bottom: 6px;
  font-size: 13px;
  line-height: 1.65;
}
.wob-speaker {
  font-weight: 600;
  margin-right: 4px;
}
.wob-speaker.brandon { color: var(--stormlight); }
.wob-speaker.questioner { color: rgba(200, 223, 255, 0.45); }
.wob-expand {
  font-size: 12px;
  color: var(--panel-gem-glow);
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
  margin-top: 4px;
  transition: opacity 0.2s;
}
.wob-expand:hover { opacity: 0.7; }
.wob-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 10px;
}
.wob-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(200, 223, 255, 0.04);
  color: rgba(200, 223, 255, 0.35);
  border: 1px solid rgba(200, 223, 255, 0.06);
}

/* ── Backdrop overlay (for mobile panels) ────────────────── */
.panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.panel-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Tablet (max-width: 768px) ───────────────────────────── */
@media (max-width: 768px) {
  /* SVG touch action */
  #graph-container { touch-action: none; }

  /* Header */
  #header { left: 12px; top: 12px; }
  #title { font-size: 18px; }
  #search-input { width: calc(100vw - 40px); }
  #search-suggestions { width: calc(100vw - 40px); }
  #header-line { width: calc(100vw - 40px); }

  /* Filters -- reposition to bottom, horizontally scrollable */
  #filters {
    top: auto;
    bottom: 140px;
    right: 12px;
    left: 12px;
    max-width: none;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  #filters::-webkit-scrollbar { display: none; }
  .filter-btn { padding: 6px 10px; flex-shrink: 0; }

  /* Side panel -- full width with backdrop */
  #panel { width: 100vw; }

  /* Review panel -- full width with backdrop */
  #review-panel { width: 100vw; }

  /* Tuning panel -- reposition and widen */
  #tuning-panel {
    width: calc(100vw - 32px);
    left: 16px;
    right: 16px;
    bottom: 104px;
  }

  /* Embedding controls bar -- allow wrapping */
  #embedding-controls-bar {
    flex-wrap: wrap;
    left: 12px;
    right: 12px;
    bottom: 48px;
  }
  #embedding-stats {
    width: 100%;
    white-space: normal;
    margin-top: 2px;
  }

  /* Info bar -- hide on mobile */
  #info { display: none; }

  /* Guide modal -- full width on mobile */
  #guide-modal {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 40px);
    padding: 28px 22px 32px;
  }
  .guide-title { font-size: 22px; }
  .guide-tuning-table td:first-child { width: auto; white-space: normal; }
  #guide-close { width: 44px; height: 44px; font-size: 26px; }

  /* ── Touch targets (minimum 44px) ─────────────────────── */
  .filter-btn {
    min-height: 44px;
    padding: 10px 14px;
  }
  #panel-close,
  #review-close-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
  }
  .review-confirm,
  .review-reject {
    padding: 8px 12px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  #model-select {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 14px;
  }
  #tuning-toggle-btn,
  #apply-embeddings-btn {
    min-height: 44px;
    padding: 10px 16px;
  }
  #save-reviews-btn,
  #load-reviews-btn {
    min-height: 44px;
    padding: 10px 16px;
  }
  #review-toggle-btn {
    min-height: 44px;
    padding: 10px 16px;
  }

  /* Larger slider thumbs for touch */
  .tuning-row input[type="range"]::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
  }
  .tuning-row input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }

  /* Larger radio buttons */
  .edge-layer-option input[type="radio"] {
    width: 20px;
    height: 20px;
  }

  /* Larger checkboxes */
  .tuning-checkbox-row input[type="checkbox"],
  #review-filter-unreviewed {
    width: 20px;
    height: 20px;
  }

  /* Edge layer toggle -- wrap for touch */
  #edge-layer-toggle {
    gap: 10px;
  }
  .edge-layer-option {
    gap: 6px;
  }
  .edge-layer-option label {
    font-size: 13px;
  }
}

/* ── Phone (max-width: 480px) ────────────────────────────── */
@media (max-width: 480px) {
  #title { font-size: 16px; }
  #subtitle { display: none; }
  #panel h2 { font-size: 20px; }
  .connection-item { padding: 10px 10px; }
}