/* Neon Graffiti Theme - clean and cohesive, no build step required */

:root {
  /* Palette */
  --primary-color: #ff4d9d; /* neon pink */
  --secondary-color: #00e5ff; /* neon cyan */
  --hover-color: #00c9e6; /* hover tint for secondary */
  --bg-color: #0d0f12; /* page fallback under bg image */
  /* Surfaces & text */
  --surface-rgb: 18, 20, 25;
  --surface-alpha: 0.72;
  --surface-color: rgba(var(--surface-rgb), var(--surface-alpha));
  --font-color: #e6eaf2;
  --border-color: rgba(255,255,255,0.14);
  --light-font-color: #ffffff;
  /* Effects */
  --blur-strength: 10px;
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.15);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.25);
  --shadow-lg: 0 12px 30px rgba(0,0,0,0.35);
  /* Layout */
  --base-font-size: 16px;
  --pdf-padding: 8px;
}

/* Dark mode reuses the same palette nicely */
body.dark-mode {
  --bg-color: #0b0d10;
  --surface-rgb: 16, 18, 22;
  --surface-alpha: 0.68;
  --surface-color: rgba(var(--surface-rgb), var(--surface-alpha));
  --font-color: #e6eaf2;
  --border-color: rgba(255,255,255,0.16);
}

/* Prevent background scroll when single viewer overlay is active */
body.single-viewer-active {
  overflow: hidden;
  overscroll-behavior: none;
}

html {
  margin: 0;
  padding: 0;
  /* Global background: fixed cover image + soft scrim for readability */
  background:
    linear-gradient(180deg, rgba(0,0,0,0.18), rgba(0,0,0,0.30)),
    url('./bg.jpg') center center / cover no-repeat fixed;
  background-color: var(--bg-color); /* fallback */
  background-attachment: fixed, fixed;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0; /* Ensure no padding */
  background-color: transparent; /* allow html background image to show */
  color: var(--font-color);
  font-size: var(--base-font-size);
  transition: background-color 0.3s, color 0.3s;
}

header {
  background-color: var(--surface-color);
  color: var(--font-color);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: transform 0.2s ease-in-out, opacity 0.2s ease-in-out, height 0.2s ease-in-out;
  backdrop-filter: blur(var(--blur-strength));
}

h1 {
  margin: 0;
  color: var(--light-font-color);
  font-size: 1.8rem;
  letter-spacing: 0.5px;
  font-family: 'Bebas Neue', system-ui, sans-serif;
  text-shadow: 0 2px 18px rgba(255,77,157,0.6), 0 2px 22px rgba(0,229,255,0.4);
}

/* Header bar & inline attribution */
.made-by a { color: var(--secondary-color); text-decoration: none; }
.made-by a:hover { text-decoration: underline; }
.header-right { display: flex; align-items: center; gap: 0.75rem; }

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
}

.search-container { display: flex; flex-direction: column; gap: 0.6rem; padding: 0 1rem 0.75rem; }
.main-query-wrapper { display: grid; grid-template-columns: auto 1fr auto; gap: 0.6rem; width: 100%; max-width: 1200px; }
.term-builder-wrapper { display: flex; align-items: center; gap: 0.5rem; width: 100%; max-width: 900px; }
.main-query-wrapper label, .term-builder-wrapper label { font-weight: bold; white-space: nowrap; }

input[type="text"] {
  flex-grow: 1;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: rgba(255,255,255,0.06);
  color: var(--font-color);
  font-size: 1.05rem;
  box-shadow: inset 0 0 0 9999px rgba(255,255,255,0.01);
}

button, select {
  padding: 0.7rem 1.1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: var(--light-font-color);
  cursor: pointer;
  font-weight: 800;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 10px 22px rgba(0,0,0,0.35), 0 0 24px rgba(0,229,255,0.25);
  transition: transform 120ms ease, filter 120ms ease, box-shadow 200ms ease, background-color 0.2s;
}
button:hover { filter: brightness(1.05); transform: translateY(-1px); box-shadow: 0 14px 26px rgba(0,0,0,0.4), 0 0 36px rgba(255,77,157,0.25); }
button:active { transform: translateY(0); filter: brightness(0.98); }
button:focus-visible { outline: 2px solid #a6ff00; outline-offset: 2px; }

.page-number-input, .result-index-input { width: 80px; padding: 0.5rem 0.6rem; border: 1px solid var(--border-color); border-radius: 8px; background: rgba(255,255,255,0.06); color: var(--font-color); }

.top-controls { display: flex; gap: 0.5rem; }

/* De-emphasize selected text tools */
.term-tools { max-width: 900px; opacity: 0.95; }
.term-tools > summary { cursor: pointer; color: var(--font-color); font-size: 0.95rem; }
.term-tools[open] { opacity: 1; }
.term-builder-wrapper input[type="text"] { font-size: 0.95rem; padding: 0.6rem; }
.term-builder-wrapper select, .term-builder-wrapper button { padding: 0.5rem 0.8rem; font-size: 0.9rem; }

.split-mode { display: none; }
#pdf-grid-container { display: block; padding: 0; height: auto; }
.cards-mode#pdf-grid-container, #pdf-grid-container.cards-mode { display: block; padding: 0; }
.header-collapsed header { transform: translateY(-100%); opacity: 0; height: 0; }
.header-collapsed .search-container { display: none; }
.header-collapsed .header-bar { display: none; }

/* prevent right overrun and add breathing room */
body { padding-right: 0; }
.split-mode { padding-right: 8px; }
#pdf-grid-container { box-sizing: border-box; }
.pdf-viewer { box-sizing: border-box; }
.v-gutter { display: none; }

.pdf-viewer { border: 1px solid var(--border-color); background-color: var(--surface-color); padding: var(--pdf-padding); border-radius: 12px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; overflow: hidden; min-width: 140px; min-height: 160px; backdrop-filter: blur(var(--blur-strength)); }
.pdf-viewer.maximized { position: fixed; inset: 60px 10px 10px 10px; z-index: 1001; resize: none !important; }
.pdf-viewer .pane-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.pdf-viewer .pane-actions { display: flex; gap: 0.25rem; }
.pdf-viewer .pane-actions .zoom-controls { display: flex; align-items: center; gap: 0.4rem; margin-right: 0.25rem; }
.pdf-viewer .pane-actions .zoom-controls .zoom-display { min-width: 48px; text-align: center; opacity: 0.85; }
.pdf-viewer .pane-actions .zoom-controls button { padding: 0.3rem 0.45rem; }
.pane-actions .icon-btn { background: rgba(20,20,24,0.45); color: var(--font-color); border: 1px solid rgba(255,255,255,0.18); padding: 0.3rem 0.5rem; border-radius: 8px; }
.pane-actions .icon-btn:hover { background: rgba(20,20,24,0.6); }
.drop-zone { display: none; }
.upload-zone { border: 2px dashed var(--border-color); border-radius: 12px; padding: 32px; text-align: center; color: var(--font-color); flex-grow: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; min-height: 220px; background: rgba(255,255,255,0.04); cursor: pointer; backdrop-filter: blur(var(--blur-strength)); }
.upload-zone.dragover { border-color: var(--primary-color); background-color: rgba(106, 106, 252, 0.12); }
.pdf-controls { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; flex-wrap: wrap; gap: 0.75rem; }
.page-nav, .result-nav { display: flex; align-items: center; gap: 0.5rem; }
.zoom-controls { display: flex; align-items: center; gap: 0.4rem; }
.zoom-controls .zoom-display { min-width: 48px; text-align: center; opacity: 0.85; }
.zoom-controls button { padding: 0.4rem 0.6rem; }
.page-number-input, .result-index-input { width: 80px; padding: 0.5rem 0.6rem; border: 1px solid var(--border-color); border-radius: 8px; background: rgba(255,255,255,0.06); color: var(--font-color); }
.page-count, .result-count { opacity: 0.9; }
.strong-count { opacity: 1; font-weight: 600; color: var(--font-color); }
.canvas-wrapper { position: relative; width: 100%; height: 100%; overflow: hidden; }
.canvas-wrapper { touch-action: pan-y pinch-zoom; }

.split-gutter { display: none; }
.pdf-canvas { display: block; }

.text-layer { position: absolute; top: 0; left: 0; line-height: 1.0; color: transparent; user-select: auto; }
.text-layer ::selection { background: rgba(0, 123, 255, 0.4); }
.text-layer > span { position: absolute; white-space: pre; cursor: text; transform-origin: 0% 0%; }
.text-layer .highlight { background-color: rgba(255, 255, 0, 0.4); border-radius: 2px; }
body.dark-mode .text-layer .highlight { background-color: rgba(255, 215, 0, 0.6); }
/* Scoped highlight uses a different color to distinguish per-card searches */
.text-layer .highlight-scoped { background-color: rgba(0, 200, 255, 0.35); border-radius: 2px; }
body.dark-mode .text-layer .highlight-scoped { background-color: rgba(0, 180, 255, 0.55); }

.status-message { display: flex; justify-content: center; align-items: center; min-height: 300px; height: 100%; font-size: 1.2rem; color: #ccd2db; background: rgba(255,255,255,0.06); border-radius: 10px; }
.upload-cta { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; color: var(--font-color); }
.upload-cta .cta-title { font-weight: 700; font-size: 1.1rem; }
.upload-cta .cta-sub { opacity: 0.8; font-size: 0.95rem; }
.upload-button { display: inline-block; background: linear-gradient(135deg, var(--secondary-color), var(--primary-color)); color: var(--light-font-color); padding: 0.45rem 0.8rem; border-radius: 10px; cursor: pointer; box-shadow: var(--shadow-sm); border: 1px solid rgba(255,255,255,0.18); }
.upload-button input[type="file"] { display: none; }
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.5); }
.modal-content { background-color: var(--surface-color); margin: 10% auto; padding: 20px; border: 1px solid var(--border-color); width: 90%; max-width: 600px; border-radius: 14px; box-shadow: var(--shadow-lg); backdrop-filter: blur(var(--blur-strength)); }
.close-button { color: #aaa; float: right; font-size: 28px; font-weight: bold; cursor: pointer; }
.hidden { display: none !important; }

/* Synonym Manager Styles */
#synonym-tables-container { margin-top: 1rem; max-height: 300px; overflow-y: auto; }
.synonym-table-entry { background-color: rgba(255,255,255,0.06); border: 1px solid var(--border-color); border-radius: 10px; padding: 0.75rem; margin-bottom: 0.5rem; }
.synonym-table-header { display: flex; justify-content: space-between; align-items: center; }
.synonym-table-header h4 { margin: 0; }
.synonym-table-controls { display: flex; align-items: center; gap: 1rem; }
.synonym-table-content { display: none; margin-top: 0.5rem; padding-top: 0.5rem; border-top: 1px solid var(--border-color); font-size: 0.9em; color: #c3c9d2; }
body.dark-mode .synonym-table-content { color: #c3c9d2; }
.toggle-switch { position: relative; display: inline-block; width: 40px; height: 20px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; border-radius: 20px; }
.slider:before { position: absolute; content: ""; height: 14px; width: 14px; left: 3px; bottom: 3px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--secondary-color); }
input:checked + .slider:before { transform: translateX(20px); }

/* Footer attribution */
.site-footer { 
  text-align: center; 
  padding: 0.75rem 1rem 1rem; 
  color: var(--font-color); 
  position: relative;
  z-index: 0; /* keep footer behind cards/controls so it never blocks interaction */
}
.site-footer a { color: var(--secondary-color); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* Gridstack integration */
.grid-stack { position: relative; }
.grid-stack > .grid-stack-item > .grid-stack-item-content { padding: 0; }
.grid-stack > .grid-stack-item > .grid-stack-item-content > .pdf-viewer { width: 100%; height: 100%; }

/* Floating header restore button */
.header-restore {
  position: fixed;
  top: 8px;
  right: 12px;
  z-index: 1100;
  display: none;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--font-color);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.header-collapsed .header-restore { display: block; }

/* Floating add-pane button */
.add-pane {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 1100;
  padding: 0.5rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 28px;
  font-size: 1.1rem;
  line-height: 1;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: var(--light-font-color);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}
.add-pane:hover { filter: brightness(1.05); }

/* Quick Search floating button and overlay */
.quick-search {
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 1100;
  padding: 0.4rem 0.6rem;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: var(--light-font-color);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.quick-search:hover { filter: brightness(1.05); }

.quick-search-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  background: rgba(0,0,0,0.35);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}
.quick-search-overlay.hidden { display: none; }
.quick-search-bar {
  display: flex;
  gap: 0.5rem;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.6rem 0.6rem;
  width: min(780px, 92vw);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(var(--blur-strength));
}
.quick-search-bar input[type="text"] {
  flex: 1;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: var(--font-color);
}

/* Cards Mode with interact.js */
.cards-container {
  position: relative;
  width: 100%;
  min-height: 100vh; /* Full viewport height */
  margin: 0;
  padding: 0;
}

.pdf-card {
  position: absolute;
  width: calc(50% - 30px);
  min-width: 140px;
  height: 400px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  /* Allow resize handles to extend outside the card for easier grabbing */
  overflow: visible;
  transition: box-shadow 0.2s ease;
  touch-action: none; /* Recommended for interact.js */
  z-index: 1; /* Base z-index for cards */
  contain: layout paint; /* limit reflow impact */
  backdrop-filter: blur(var(--blur-strength));
}

.pdf-card:fullscreen {
  position: fixed;
  inset: 0;
  width: 100vw !important;
  height: 100vh !important;
  transform: none !important;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
}

.pdf-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.25); }

.card-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(10,10,12,0.0), rgba(10,10,12,0.55));
  color: var(--light-font-color);
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: move;
  user-select: none;
  border-bottom: none; /* remove horizontal line under header controls */
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  transition: opacity 0.15s ease-in-out;
  z-index: 1030; /* above resize handles and controls */
  pointer-events: none; /* don't block clicks when hidden */
}
.pdf-card:hover .card-header { opacity: 1; }
.pdf-card:hover .card-header { pointer-events: auto; }
.pdf-card.focused .card-header { opacity: 1; pointer-events: auto; }

.card-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
  padding-right: 10px;
  background: rgba(10, 10, 12, 0.65);
  padding: 4px 8px;
  border-radius: 6px;
  margin-right: 8px;
}

.card-controls { display: flex; gap: 8px; align-items: stretch; justify-content: flex-end; }
.card-controls .controls-left { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; justify-content: flex-end; }
.card-controls .controls-right { display: flex; flex-direction: column; gap: 6px; }

.card-header .icon-btn, .card-header .zoom-controls {
  background: rgba(20, 20, 24, 0.45);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 6px;
  display: flex;
  align-items: center;
}
.card-header .icon-btn { padding: 4px 8px; }
.card-header .zoom-controls button { background: transparent; }

.pdf-card.locked .card-controls .icon-btn,
.pdf-card.locked .card-controls .zoom-controls {
  background: rgba(140, 40, 40, 0.65);
  border-color: rgba(255, 180, 180, 0.4);
}

.pdf-card .pdf-viewer {
  flex: 1;
  border: none;
  border-radius: 0;
  margin: 0;
  padding: 0;
  position: relative; /* For positioning controls */
}

/* Header page input styling */
.header-page-input {
  width: 60px;
  padding: 0.2rem 0.4rem;
  margin-left: 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.2);
  color: white;
  font-size: 0.85rem;
}

/* Page nav: prev button on left center, next button on right center */
.pdf-viewer .page-nav {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 0; /* Does not take up space */
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 15;
  pointer-events: none; /* Parent is not interactive */
}
.pdf-viewer .prev-page, .pdf-viewer .next-page {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(50, 50, 50, 0.8);
  border: none;
  border-radius: 6px;
  padding: 0.45rem 0.65rem;
  color: white;
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
  pointer-events: none;
  z-index: 1020; /* above resize handles */
  font-size: 0.9rem;
}
.pdf-viewer .prev-page { left: 4px; }
.pdf-viewer .next-page { right: 4px; }
.pdf-card:hover .prev-page,
.pdf-card:hover .next-page { opacity: 1; pointer-events: auto; }

/* Result nav in bottom-left corner */
.pdf-card .result-nav {
  position: absolute;
  left: 6px;
  bottom: 6px;
  background: rgba(50, 50, 50, 0.7);
  border-radius: 6px;
  padding: 2px 4px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
  pointer-events: none;
  z-index: 1020; /* above resize handles */
}
.pdf-card:hover .result-nav { opacity: 1; pointer-events: auto; }

/* Other bottom-right controls (search, etc) */
.pdf-card .pdf-controls {
  position: absolute;
  inset: auto 6px 6px auto; /* bottom-right */
  z-index: 1020; /* above resize handles */
  background: rgba(10, 10, 12, 0.65);
  border-radius: 6px;
  padding: 2px 4px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
  pointer-events: none;
}
.pdf-card:hover .pdf-controls { opacity: 1; pointer-events: auto; }

/* Reduce accidental selection on UI chrome; allow selection on text layer */
.pdf-card,
.pdf-card .card-header,
.pdf-card .card-controls,
.pdf-card .pdf-controls,
.pdf-card .result-nav,
.pdf-card button,
.pdf-card input,
.resize-handle,
.corner-handle { -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; }
/* But keep PDF text selectable */
.pdf-card .text-layer,
.single-viewer-overlay .text-layer { -webkit-user-select: text; -moz-user-select: text; -ms-user-select: text; user-select: text; }

/* Common control styling */
.pdf-card .result-index-input { width: 52px; padding: 0.25rem 0.35rem; font-size: 0.85rem; }
.pdf-card .result-nav button, .pdf-card .card-search-btn { padding: 0.25rem 0.35rem; font-size: 0.85rem; }

/* Resize handles for easier edge grabbing */
.resize-handle { position: absolute; z-index: 1045; background: transparent; }
.resize-handle-top { top: -8px; left: 8px; right: 8px; height: 20px; cursor: ns-resize; }
.resize-handle-bottom { bottom: -8px; left: 8px; right: 8px; height: 20px; cursor: ns-resize; }
.resize-handle-left { left: -8px; top: 8px; bottom: 8px; width: 20px; cursor: ew-resize; }
.resize-handle-right { right: -8px; top: 8px; bottom: 8px; width: 20px; cursor: ew-resize; }

/* Corner handles for easier corner resizing */
.corner-handle { position: absolute; width: 26px; height: 26px; z-index: 1045; background: transparent; }
.corner-handle-tl { top: -12px; left: -12px; cursor: nwse-resize; }
.corner-handle-tr { top: -12px; right: -12px; cursor: nesw-resize; }
.corner-handle-bl { bottom: -12px; left: -12px; cursor: nesw-resize; }
.corner-handle-br { bottom: -12px; right: -12px; cursor: nwse-resize; }

/* Focus mode: bring card to front with backdrop, disable pointer events to others */
/* Single Viewer Overlay */
.single-viewer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(0,0,0,0.4); display: flex; flex-direction: column; }
.single-viewer-overlay.hidden { display: none; }
.single-viewer-toolbar { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border-color); background: var(--surface-color); backdrop-filter: blur(var(--blur-strength)); }
.single-viewer-toolbar .sv-title { font-weight: 600; }
.single-viewer-toolbar .sv-spacer { flex: 1; }
.single-viewer-content { flex: 1; display: flex; align-items: flex-start; justify-content: flex-start; overflow: auto; overscroll-behavior: contain; contain: layout paint; }
.single-viewer-stage { display: flex; align-items: center; justify-content: center; min-width: 100%; min-height: 100%; }
.single-viewer-host.pdf-viewer { width: min(100%, 1400px); height: auto; padding: var(--pdf-padding); }
.single-viewer-host .canvas-wrapper { width: 100%; height: calc(100vh - 120px); }
.single-viewer-overlay .single-viewer-host.pdf-viewer { width: auto; }
.single-viewer-overlay .canvas-wrapper { width: max-content; height: max-content; overflow: visible; }
.single-viewer-overlay .pdf-canvas { display: block; margin: 0; }
.single-viewer-overlay .text-layer { position: absolute; top: 0; left: 0; transform: none; }
.single-viewer-overlay input[type="number"] { width: 80px; }

.context-menu { position: fixed; z-index: 10000; background: var(--surface-color); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: var(--shadow-md); padding: 5px 0; }
.context-menu-item { padding: 8px 15px; cursor: pointer; }
.context-menu-item:hover { background: var(--hover-color); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* === Neon Overrides: remove gray, emphasize neon cyan/pink, and make card headers transparent === */
:root {
  --surface-alpha: 0.25; /* lighter glass, less gray */
}
body.dark-mode {
  --surface-alpha: 0.22;
}

/* Transparent header for pdf cards */
.pdf-card .card-header {
  background: transparent !important;
  text-shadow: 0 1px 8px rgba(0,0,0,0.45), 0 0 10px rgba(0,229,255,0.25);
}

/* Tone down gray backgrounds to neon-tinted glass */
.pane-actions .icon-btn { background: rgba(0,229,255,0.12); }
.pane-actions .icon-btn:hover { background: rgba(255,77,157,0.14); }

/* Navigation buttons: cyan/pink translucent chips */
.pdf-viewer .prev-page,
.pdf-viewer .next-page {
  background: rgba(0,229,255,0.22);
  border: 1px solid rgba(255,255,255,0.22);
}
.pdf-card:hover .prev-page:hover,
.pdf-card:hover .next-page:hover { background: rgba(255,77,157,0.26); }

/* Result nav chip: pinkish tint */
.pdf-card .result-nav {
  background: rgba(255,77,157,0.18);
  border: 1px solid rgba(255,255,255,0.22);
}

/* Bottom-right controls: subtle neon gradient glass */
.pdf-card .pdf-controls {
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(255,77,157,0.12));
  border: 1px solid rgba(255,255,255,0.22);
}

/* Inputs: reduce gray fill */
input[type="text"],
.page-number-input, .result-index-input,
.quick-search-bar input[type="text"] {
  background: rgba(255,255,255,0.02);
}

/* Upload zone: reduce gray and hint neon on drag */
.upload-zone { background: rgba(255,255,255,0.02); }
.upload-zone.dragover {
  background: linear-gradient(135deg, rgba(0,229,255,0.10), rgba(255,77,157,0.10));
}

/* Status cards and synonym tables: ultra-light glass */
.status-message,
.synonym-table-entry { background: rgba(255,255,255,0.02); }

/* Header page input: slight cyan tint for coherence */
.header-page-input { background: rgba(0,229,255,0.12); border-color: rgba(255,255,255,0.3); }

/* === Neon Overrides v2: lighter cards, clearer inputs, better hit visibility, no percent === */
:root { --surface-alpha: 0.14; }
body.dark-mode { --surface-alpha: 0.12; }

/* Gray background for page number inputs on cards for better readability */
.pdf-card .page-number-input,
.pdf-card .header-page-input {
  background: rgba(26, 28, 34, 0.88) !important;
  color: #fff !important;
  border-color: rgba(255,255,255,0.28) !important;
}

/* Improve hit number visibility */
.pdf-card .result-count { color: #ffffff; font-weight: 800; text-shadow: 0 0 10px rgba(0,229,255,0.45); }
.pdf-card .strong-count { color: var(--secondary-color); font-weight: 900; text-shadow: 0 0 12px rgba(0,229,255,0.6), 0 0 12px rgba(255,77,157,0.35); }

/* Hide zoom percent display on pdf cards */
.pdf-card .zoom-controls .zoom-display { display: none !important; min-width: 0 !important; }

/* === Neon Overrides v3: card-specific lighter glass and visibility tweaks === */
/* Make only cards extra-light without affecting modals/header */
.pdf-card { background: rgba(var(--surface-rgb), 0.10) !important; }
.pdf-card .pdf-viewer { background: rgba(var(--surface-rgb), 0.06) !important; }

/* Improve counters readability inside cards */
.pdf-card .page-count { color: #ffffff; text-shadow: 0 0 8px rgba(0,0,0,0.35); }

/* Redundant safety: hide any zoom percentage text inside card headers/controls */
.pdf-card .pane-actions .zoom-display,
.pdf-card .card-header .zoom-display { display: none !important; }

/* === Neon Overrides v4: remove page number in cards; match result index style to total === */
/* Hide page number input in card headers/viewers */
.pdf-card .header-page-input,
.pdf-card .page-number-input { display: none !important; }

/* Style the current result index like the total ("/ n") */
.pdf-card .result-nav { font-size: 0.9rem; }
.pdf-card .result-index-input {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  color: var(--secondary-color) !important; /* match strong-count */
  font-weight: 900;
  font-size: inherit;
  width: auto;
  min-width: 1.6ch;
  text-align: right;
  padding: 0;
}
/* Remove numeric spinners for a text-like appearance */
.pdf-card .result-index-input::-webkit-outer-spin-button,
.pdf-card .result-index-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pdf-card .result-index-input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
/* Keep an accessible but minimal focus */
.pdf-card .result-index-input:focus { outline: none; }
.pdf-card .result-index-input:focus-visible { outline: 2px solid rgba(0,229,255,0.6); outline-offset: 2px; }

/* === Neon Overrides v5: result index behaves like label === */
.pdf-card .result-index-input {
  pointer-events: none;
  cursor: default;
}

/* === Neon Overrides v6: compact result index span === */
.pdf-card .result-nav { gap: 6px; align-items: center; }
.pdf-card .result-index {
  display: inline-block;
  min-width: 1.5ch; /* compact */
  text-align: right;
  color: var(--secondary-color);
  font-weight: 900;
}