@import '../common.css';

:root {
  --sidebar-width: 300px;

  /* Diff-specific colors */
  --added: #40c057;
  --added-bg: #e6ffec;
  --added-text: #2b8a3e;
  --removed: #fa5252;
  --removed-bg: #ffebe9;
  --removed-text: #c92a2a;
  --modified: #fab005;
  --modified-text: #e67700;
  --unchanged: #868e96;
}

/* --- Phase transition animation --- */

@keyframes phase-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

#chooser:not(.hidden),
#progress:not(.hidden),
#results:not(.hidden) {
  animation: phase-enter 0.2s ease-out;
}

/* --- Chooser header --- */

#chooser {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.chooser-title {
  text-align: center;
  margin-bottom: 24px;
}

.chooser-title h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.chooser-glyph {
  color: var(--text-muted);
  font-weight: 400;
}

.chooser-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Two panels side-by-side --- */

.chooser-panels {
  display: flex;
  gap: 24px;
  width: 100%;
  margin-bottom: 20px;
}

.chooser-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.panel-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  padding-left: 2px;
}

/* --- Drop zones (pck-diff variant: column layout, tinted) --- */

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* Left panel warm tint */
.panel-left .drop-zone {
  background: rgba(250, 82, 82, 0.04);
  border-color: rgba(250, 82, 82, 0.2);
}

.panel-left .drop-zone.over {
  border-color: var(--removed);
  background: rgba(250, 82, 82, 0.08);
}

/* Right panel cool tint */
.panel-right .drop-zone {
  background: rgba(34, 139, 230, 0.04);
  border-color: rgba(34, 139, 230, 0.2);
}

.panel-right .drop-zone.over {
  border-color: var(--accent);
  background: rgba(34, 139, 230, 0.08);
}

.picker {
  font-size: 14px;
  cursor: pointer;
}

/* --- Panel controls (keys toggle + status) --- */

.panel-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-line {
  font-size: 12px;
  color: var(--text-muted);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-line.loaded {
  color: var(--added-text);
}

/* --- Keys panel (pck-diff variant: gray bg, bordered) --- */

.keys-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-shrink: 0;
}

.keys-panel .key-field input {
  background: var(--surface);
}

/* --- Compare button --- */

.btn-compare {
  padding: 10px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
}

.btn-compare:not(:disabled) {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-compare:not(:disabled):hover {
  background: var(--accent-hover);
}

.btn-compare:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--tree-hover);
  color: var(--text-muted);
  border-color: var(--border);
}

.btn-small {
  padding: 4px 10px;
  font-size: 12px;
}

/* --- Progress --- */

#progress {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
  text-align: center;
}

.progress-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 20px;
}

.progress-item {
  margin-bottom: 14px;
}

.progress-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-align: left;
}

.progress-bar {
  background: var(--border);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  width: 0%;
  background: var(--accent);
  transition: width 0.15s linear;
}

.progress-fill.no-transition {
  transition: none;
}

.progress-fill.done {
  width: 100%;
  background: var(--added);
  transition: none;
}

@keyframes indeterminate {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

/* --- Chooser dimmed --- */

#chooser.dimmed {
  opacity: 0.5;
  pointer-events: none;
}

/* --- Results view --- */

#results {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

/* --- Summary bar --- */

#summary-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 12px;
  flex-shrink: 0;
}

.summary-names {
  font-weight: 500;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.summary-names span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
}

.summary-stats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 14px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.stat-badge:hover {
  border-color: #adb5bd;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Active: filled solid with white text */
.stat-badge.added.active {
  background: var(--added);
  border-color: var(--added);
  color: white;
}

.stat-badge.deleted.active {
  background: var(--removed);
  border-color: var(--removed);
  color: white;
}

.stat-badge.modified.active {
  background: #e8a200;
  border-color: #e8a200;
  color: white;
}

.stat-badge.unchanged.active {
  background: #868e96;
  border-color: #868e96;
  color: white;
}

.stat-badge.active:hover {
  opacity: 0.9;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.summary-actions {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

/* --- Results body (sidebar + content) --- */

.results-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.show-unchanged-toggle {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  user-select: none;
}

.show-unchanged-toggle input {
  cursor: pointer;
}

/* --- Content header --- */

#content-header {
  padding: 8px 16px;
  font-size: 13px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
  min-height: 37px;
}

#content-header:empty {
  display: none;
}

.content-path { font-weight: 500; word-break: break-all; }
.content-size { color: var(--text-muted); }

/* --- Diff status badge --- */

.diff-badge {
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  padding: 1px 4px;
  border-radius: 3px;
  flex-shrink: 0;
  margin-left: auto;
  letter-spacing: 0.02em;
}

.diff-badge.added { background: rgba(64, 192, 87, 0.15); color: var(--added-text); }
.diff-badge.deleted { background: rgba(250, 82, 82, 0.15); color: var(--removed-text); }
.diff-badge.modified { background: rgba(250, 176, 5, 0.15); color: var(--modified-text); }

/* --- Tree item status styles --- */

.tree-item.deleted .tree-label {
  text-decoration: line-through;
  opacity: 0.6;
}

.tree-item.unchanged {
  opacity: 0.45;
}

/* --- Scrollbar styling --- */

#sidebar::-webkit-scrollbar,
#tree::-webkit-scrollbar,
#preview::-webkit-scrollbar {
  width: 8px;
}

#sidebar::-webkit-scrollbar-thumb,
#tree::-webkit-scrollbar-thumb,
#preview::-webkit-scrollbar-thumb {
  background: #ced4da;
  border-radius: 4px;
}

#sidebar::-webkit-scrollbar-thumb:hover,
#tree::-webkit-scrollbar-thumb:hover,
#preview::-webkit-scrollbar-thumb:hover {
  background: #adb5bd;
}

/* --- Diff view --- */

.diff-view { font-family: "JetBrains Mono", "Fira Code", Consolas, monospace; font-size: 13px; line-height: 1.5; overflow: auto; }

.diff-line { display: flex; min-height: 20px; }
.diff-line.added { background: var(--added-bg); }
.diff-line.removed { background: var(--removed-bg); }

.diff-gutter { width: 50px; min-width: 50px; text-align: right; padding: 0 8px; color: var(--text-muted); user-select: none; border-right: 1px solid var(--border); flex-shrink: 0; }

.diff-code { padding: 0 12px; white-space: pre-wrap; word-break: break-all; flex: 1; }
.diff-line.added .diff-code::before { content: '+'; color: var(--added-text); margin-right: 4px; }
.diff-line.removed .diff-code::before { content: '-'; color: var(--removed-text); margin-right: 4px; }
.diff-line.context .diff-code::before { content: ' '; margin-right: 4px; }

/* Hunk separator */
.diff-hunk-sep { padding: 4px 12px; background: #f0f4f8; color: var(--text-muted); font-size: 12px; cursor: pointer; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); user-select: none; }
.diff-hunk-sep:hover { background: #e4eaf0; }

/* Side-by-side */
.diff-side-by-side { display: flex; flex: 1; min-height: 0; height: 100%; }
.diff-side-by-side .diff-column { flex: 1; overflow-y: auto; overflow-x: hidden; border-right: 1px solid var(--border); font-family: "JetBrains Mono", "Fira Code", Consolas, monospace; font-size: 13px; line-height: 1.5; }
.diff-side-by-side .diff-column:last-child { border-right: none; }
.diff-side-by-side .diff-line { display: flex; }
.diff-side-by-side .diff-gutter { width: 40px; min-width: 40px; }
.diff-side-by-side .diff-line.blank { background: #f8f9fa; }

/* Toggle buttons */
.diff-toggle { display: flex; gap: 0; }
.diff-toggle .btn { border-radius: 0; border-right: none; }
.diff-toggle .btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.diff-toggle .btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; border-right: 1px solid var(--border); }
.diff-toggle .btn.active { background: var(--accent); color: white; border-color: var(--accent); }

/* Diff banners */
.diff-banner { padding: 8px 16px; font-size: 13px; font-weight: 500; }
.diff-banner.added { background: var(--added-bg); color: var(--added-text); }
.diff-banner.deleted { background: var(--removed-bg); color: var(--removed-text); }
.diff-banner.unchanged { background: #f1f3f5; color: var(--unchanged); }

/* Image comparison */
.image-compare { display: flex; flex-direction: column; gap: 12px; padding: 16px; align-items: center; }

.image-compare-tabs { display: flex; gap: 0; }
.image-compare-tabs .btn { border-radius: 0; border-right: none; font-size: 12px; padding: 4px 12px; }
.image-compare-tabs .btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.image-compare-tabs .btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; border-right: 1px solid var(--border); }
.image-compare-tabs .btn.active { background: var(--accent); color: white; border-color: var(--accent); }

/* Side-by-side images */
.image-sbs { display: flex; gap: 16px; max-width: 100%; }
.image-sbs-panel { flex: 1; text-align: center; min-width: 0; }
.image-sbs-panel img, .image-sbs-panel canvas { max-width: 100%; max-height: 70vh; object-fit: contain; height: auto; background: repeating-conic-gradient(#e8e8e8 0% 25%, white 0% 50%) 50% / 16px 16px; border: 1px solid var(--border); border-radius: 4px; }
.real-size .image-sbs-panel img, .real-size .image-sbs-panel canvas { max-height: none; }
.image-sbs-label { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* Swipe */
.image-swipe { position: relative; cursor: col-resize; overflow: hidden; background: repeating-conic-gradient(#e8e8e8 0% 25%, white 0% 50%) 50% / 16px 16px; border: 1px solid var(--border); border-radius: 4px; max-width: 100%; }
.image-swipe img, .image-swipe canvas { display: block; max-width: 100%; max-height: 65vh; object-fit: contain; user-select: none; pointer-events: none; }
.real-size .image-swipe img, .real-size .image-swipe canvas { max-height: none; }
.image-swipe .swipe-top { position: absolute; top: 0; left: 0; width: 100%; height: 100%; clip-path: inset(0 0 0 50%); }
.image-swipe .swipe-divider { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--accent); z-index: 2; pointer-events: none; }
.image-swipe .swipe-label { position: absolute; top: 8px; font-size: 11px; background: rgba(0,0,0,0.5); color: white; padding: 2px 8px; border-radius: 3px; z-index: 3; pointer-events: none; }
.image-swipe .swipe-label-left { left: 8px; }
.image-swipe .swipe-label-right { right: 8px; }

/* Onion skin */
.image-onion { position: relative; display: inline-block; overflow: hidden; background: repeating-conic-gradient(#e8e8e8 0% 25%, white 0% 50%) 50% / 16px 16px; border: 1px solid var(--border); border-radius: 4px; max-width: 100%; }
.image-onion img, .image-onion canvas { display: block; max-width: 100%; max-height: 60vh; object-fit: contain; }
.real-size .image-onion img, .real-size .image-onion canvas { max-height: none; }
.image-onion .onion-top { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; }
.image-onion-slider { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.image-onion-slider input[type="range"] { flex: 1; }
.image-onion-slider .onion-label { font-size: 12px; color: var(--text-muted); min-width: 100px; }

/* --- Binary comparison --- */

/* Binary size card */
.binary-size-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin: 16px; }
.size-row { display: flex; gap: 8px; padding: 4px 0; font-size: 13px; }
.size-label { color: var(--text-muted); min-width: 50px; }

/* Hex diff */
.binary-hex-diff { margin: 16px; }
.hex-diff-title { font-size: 13px; font-weight: 500; margin-bottom: 12px; }
.hex-region { margin-bottom: 12px; }
.hex-region-label { font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.05em; }

/* Hex dump (shared) */
.hex-dump { font-family: "JetBrains Mono", "Fira Code", Consolas, monospace; font-size: 12px; line-height: 1.6; white-space: pre; overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.hex-offset { color: var(--text-muted); }
.hex-bytes { color: var(--text); }
.hex-ascii { color: var(--accent); }
.hex-highlight { background: #fff3bf; font-weight: 600; }

/* Image preview */
.image-preview { padding: 16px; text-align: center; }
.image-preview img, .image-preview canvas { max-width: 100%; height: auto; background: repeating-conic-gradient(#e8e8e8 0% 25%, white 0% 50%) 50% / 16px 16px; border: 1px solid var(--border); border-radius: 4px; }
.image-info { font-size: 12px; color: var(--text-muted); margin-top: 8px; }