/* stylesheet for WARC Explorer - Web Edition */

:root {
  --border: #c9c9c9;
  --bg-panel: #f4f4f4;
  --bg-app: #ececec;
  --text: #1d1d1d;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --mono: "SF Mono", "Consolas", "Menlo", monospace;
  --row-height: 22px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-app);
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.titlebar {
  padding: 6px 12px;
  color: #010101;
  font-weight: 800;
  background: #dcdcdc;
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.titlebar .hint {
  font-weight: 400;
  color: #555;
}

.titlebar-right {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.gh-link {
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.gh-link:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.panes {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
}

.pane {
  display: flex;
  flex-direction: column;
  min-width: 120px;
  background: var(--bg-panel);
  overflow: hidden;
}

.pane + .pane {
  border-left: 1px solid var(--border);
}

#pane-files { flex: 0 0 300px; }
#pane-records { flex: 0 0 380px; }
#pane-details { flex: 1 1 auto; display: flex; flex-direction: column; }

.resizer {
  flex: 0 0 5px;
  cursor: col-resize;
  background: transparent;
}
.resizer:hover, .resizer.active {
  background: var(--accent);
  opacity: 0.4;
}

.pane-header {
  padding: 6px 8px;
  font-size: 12px;
  color: #444;
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.pane-header button {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border: 1px solid #b7b7b7;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}
.pane-header button:hover { background: #f0f0f0; }
.pane-header button:disabled {
  cursor: default;
  opacity: 0.45;
  background: #f4f4f4;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.file-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.tree, .record-list-viewport {
  flex: 1 1 auto;
  overflow: auto;
  background: #fff;
}

.tree { padding: 4px 0; }

.tree-node { user-select: none; }

.tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px 2px 0;
  white-space: nowrap;
  cursor: default;
  line-height: 20px;
}

.tree-row.folder { cursor: pointer; }
.tree-row.file { cursor: pointer; }
.tree-row.file.selected { background: var(--accent); color: var(--accent-fg); }
.tree-row:hover:not(.selected) { background: #eef2ff; }

/* Belt-and-suspenders: labels are already middle-truncated in JS (see
   truncateMiddle in app.js), but this keeps things tidy if a pane is
   resized narrower than that truncation anticipated. */
.tree-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-children { display: none; }
.tree-children.open { display: block; margin-left: 14px; }

.twisty {
  width: 14px;
  display: inline-block;
  text-align: center;
  font-size: 10px;
  color: #777;
}

.empty-hint {
  padding: 16px 10px;
  color: #777;
  font-size: 12px;
  line-height: 1.5;
}

/* --- records toolbar: search + type filter chips ------------------------ */

.records-toolbar {
  flex: 0 0 auto;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#searchInput {
  width: 100%;
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid #b7b7b7;
  border-radius: 4px;
  background: #fff;
}
#searchInput:disabled { background: #eee; color: #999; }

.type-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.chip {
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid #b7b7b7;
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.chip:hover { background: #f0f0f0; }
.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}
.chip .count { opacity: 0.75; margin-left: 3px; }

.records-count {
  font-size: 11px;
  color: #666;
  min-height: 14px; /* reserve space so the toolbar doesn't jump when it appears/disappears */
}

.record-list-viewport {
  position: relative;
}

.record-list-spacer {
  position: relative;
  width: 100%;
}

.record-row {
  position: absolute;
  left: 0;
  right: 0;
  height: var(--row-height);
  line-height: var(--row-height);
  padding: 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
  font-size: 12.5px;
  border-bottom: 1px solid #f0f0f0;
}

.record-row:hover { background: #eef2ff; }
.record-row.selected { background: var(--accent); color: var(--accent-fg); }

.record-row .rtype-response { color: #0a7d2c; font-weight: 600; }
.record-row .rtype-request { color: #b25f00; font-weight: 600; }
.record-row .rtype-other { color: #555; font-weight: 600; }
.record-row.selected .rtype-response,
.record-row.selected .rtype-request,
.record-row.selected .rtype-other { color: inherit; }

.no-results-hint {
  padding: 16px 10px;
  color: #777;
  font-size: 12px;
}

.details-split {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Three stacked sections now: WARC Header / HTTP Header / Payload.
   Payload gets double the default room since it's usually the main
   thing being inspected; all three are freely resizable via their
   own drag handles regardless of this starting ratio. */
.details-top, .details-middle {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.details-bottom {
  flex: 2 1 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.details-resizer {
  flex: 0 0 5px;
  cursor: row-resize;
}
.details-resizer:hover, .details-resizer.active {
  background: var(--accent);
  opacity: 0.4;
}

textarea.viewer {
  flex: 1 1 auto;
  width: 100%;
  border: 0;
  resize: none;
  padding: 8px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  background: #fff;
  color: #111;
  white-space: pre;
  overflow: auto;
}

.statusbar {
  flex: 0 0 auto;
  padding: 4px 10px;
  font-size: 11.5px;
  color: #555;
  background: #dcdcdc;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}

.badge {
  display: inline-block;
  padding: 0 6px;
  border-radius: 8px;
  background: #e2e2e2;
  font-size: 11px;
  margin-left: 6px;
}

.dragover {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}

.spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid #ccc;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- keyboard accessibility: make focus visible on the interactive
   record list, without adding any decoration when it's not focused --- */
#recordViewport:focus {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
#recordViewport:focus:not(:focus-visible) {
  outline: none;
}
#recordViewport:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}