/* KV Tree Editor — fills the iframe viewport with a 2-pane layout. */

.kv-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: #fafbfc;
  color: #1f2330;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
}

/* ── Header ───────────────────────────────────────────────────────────── */
.kv-app-header {
  border-bottom: 1px solid #e2e6ee;
  padding: 8px 12px;
  background: #fff;
  flex: 0 0 auto;
}

.kv-app-search {
  display: flex;
  align-items: center;
  gap: 8px;
}

.kv-search-input {
  flex: 1;
  padding: 7px 11px;
  border: 1px solid #d1d6e0;
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
  outline: none;
}
.kv-search-input:focus { border-color: #6c7afa; box-shadow: 0 0 0 2px rgba(108, 122, 250, 0.2); }

.kv-app-stats {
  font-size: 12px;
  color: #8089a0;
  white-space: nowrap;
}

.kv-app-breadcrumb {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  font-size: 12px;
}
.kv-crumb-label {
  color: #8089a0;
  margin-right: 4px;
}
.kv-crumb {
  border: none;
  background: transparent;
  padding: 1px 4px;
  border-radius: 3px;
  cursor: pointer;
  color: #4a5170;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.kv-crumb:hover { background: #eef0fb; color: #2a2f48; }

/* ── Body ─────────────────────────────────────────────────────────────── */
.kv-app-body {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
}

.kv-app-left {
  flex: 0 0 38%;
  min-width: 280px;
  max-width: 600px;
  border-right: 1px solid #e2e6ee;
  background: #fff;
  overflow: auto;
}

.kv-app-right {
  flex: 1 1 auto;
  overflow: auto;
  padding: 16px 20px;
  background: #fafbfc;
}

/* ── Tree ─────────────────────────────────────────────────────────────── */
.kv-tree {
  padding: 4px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
}

.kv-tree-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kv-tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 4px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kv-tree-row:hover { background: #f3f5fb; }

.kv-tree-toggle {
  display: inline-block;
  width: 12px;
  color: #8089a0;
  font-size: 10px;
}

.kv-tree-leaf-dot {
  display: inline-block;
  width: 12px;
  color: #c5cad6;
}

.kv-tree-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.kv-tree-branch .kv-tree-label {
  color: #2a3050;
  font-weight: 500;
}

.kv-tree-branch .kv-tree-filename {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-size: 0.85em;
  color: #1e3a8a;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.kv-tree-hash-pill {
  margin-left: 0.5rem;
  padding: 0.05rem 0.4rem;
  background: rgba(100, 108, 255, 0.12);
  color: #4a50c8;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-size: 0.7em;
  border-radius: 999px;
  flex-shrink: 0;
}

.kv-tree-leaf .kv-tree-label {
  color: #4a5170;
}

.kv-tree-row.selected {
  background: #e7eafd;
  color: #2532a3;
}
.kv-tree-row.selected:hover { background: #dde2fc; }

.kv-tree-loading,
.kv-tree-empty,
.kv-tree-error {
  font-size: 12px;
  color: #8089a0;
  padding: 4px 8px;
  font-style: italic;
}
.kv-tree-error { color: #c0392b; }

/* ── Right pane (leaf / branch) ───────────────────────────────────────── */
.kv-leaf, .kv-branch {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.kv-leaf-key {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f0f2f8;
  border: 1px solid #e2e6ee;
  border-radius: 6px;
  padding: 8px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}
.kv-leaf-key-text {
  flex: 1;
  word-break: break-all;
  color: #2a3050;
}

.kv-leaf-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}
.kv-leaf-label {
  font-size: 12px;
  color: #6e7790;
  font-weight: 500;
}
.kv-leaf-type {
  border: 1px solid #d1d6e0;
  border-radius: 5px;
  padding: 4px 8px;
  font-size: 12px;
  background: #fff;
}
.kv-leaf-hint {
  font-size: 12px;
  color: #6e7790;
  font-style: italic;
}

.kv-leaf-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #d1d6e0;
  border-radius: 5px;
  font-size: 13px;
  background: #fff;
  outline: none;
  box-sizing: border-box;
}
.kv-leaf-input:focus { border-color: #6c7afa; box-shadow: 0 0 0 2px rgba(108, 122, 250, 0.2); }

.kv-leaf-textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #d1d6e0;
  border-radius: 5px;
  font-size: 13px;
  background: #fff;
  outline: none;
  resize: vertical;
  box-sizing: border-box;
  font-family: inherit;
}
.kv-leaf-textarea:focus { border-color: #6c7afa; box-shadow: 0 0 0 2px rgba(108, 122, 250, 0.2); }

.kv-leaf-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.kv-leaf-url {
  display: flex;
  gap: 6px;
  align-items: center;
}
.kv-leaf-url-open {
  font-size: 12px;
  color: #6c7afa;
  text-decoration: none;
  white-space: nowrap;
}

.kv-leaf-actions {
  display: flex;
  gap: 8px;
}

/* ── CID leaf ─────────────────────────────────────────────────────────── */
.kv-leaf-cid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kv-leaf-cid-controls {
  display: flex;
  gap: 6px;
  align-items: center;
}
.kv-leaf-cid-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.kv-leaf-cid-meta {
  font-size: 12px;
  color: #6b7280;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.kv-leaf-cid-preview {
  max-width: 100%;
  max-height: 320px;
  border-radius: 6px;
  border: 1px solid #e2e6ee;
  background: #f5f6fa;
  object-fit: contain;
  align-self: flex-start;
}
.kv-leaf-cid-preview-media {
  width: 100%;
  max-width: 560px;
}

/* ── File-detail view ─────────────────────────────────────────────────── */
.kv-file {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.kv-file-header {
  padding: 14px 16px;
  background: #fff;
  border: 1px solid #e2e6ee;
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name actions"
    "meta actions";
  gap: 6px 16px;
  align-items: center;
}
.kv-file-name {
  grid-area: name;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-weight: 600;
  font-size: 14px;
  color: #1e3a8a;
  word-break: break-all;
}
.kv-file-name-fallback {
  color: #9ca3af;
  font-style: italic;
}
.kv-file-meta {
  grid-area: meta;
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 12px;
  color: #6b7280;
  min-width: 0;
}
.kv-file-hash {
  background: rgba(100, 122, 250, 0.1);
  color: #4a50c8;
  padding: 1px 6px;
  border-radius: 999px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  flex-shrink: 0;
}
.kv-file-path {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-size: 11px;
}
.kv-file-actions {
  grid-area: actions;
  display: flex;
  gap: 8px;
  align-items: center;
}

.kv-file-rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kv-file-row {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr auto;
  gap: 12px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid #e2e6ee;
  border-left: 3px solid #d6deed;
  border-radius: 6px;
  align-items: start;
}
.kv-file-row.pending-delete {
  border-left-color: #dc2626;
  background: #fef2f2;
}
.kv-file-row.pending-delete .kv-file-row-label {
  text-decoration: line-through;
  color: #9ca3af;
}
.kv-file-row-deleted-note {
  color: #b91c1c;
  font-style: italic;
  font-size: 12px;
  padding: 6px 0;
}
.kv-file-row-delete {
  width: 24px;
  height: 24px;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: #dc2626;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.15s, background 0.15s, border-color 0.15s;
}
.kv-file-row:hover .kv-file-row-delete,
.kv-file-row.pending-delete .kv-file-row-delete {
  opacity: 1;
}
.kv-file-row-delete:hover {
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.3);
}

.kv-file-add {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  background: rgba(100, 122, 250, 0.05);
  border: 1px dashed rgba(100, 122, 250, 0.3);
  border-radius: 6px;
}
.kv-file-add-prefix {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-size: 11px;
  color: #6b7280;
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kv-file-add > input {
  flex: 1;
}
.kv-file-add > input:first-of-type {
  flex: 0 0 200px;
}
.kv-file-row.dirty {
  border-left-color: #fbbf24;
  background: #fffbeb;
}
.kv-file-row.pulsed {
  animation: kv-row-pulse 1.4s ease-out;
}
@keyframes kv-row-pulse {
  0%   { background: rgba(100, 122, 250, 0.35); border-left-color: #4a50c8; }
  100% { background: transparent; }
}
.kv-file-row-label,
.kv-file-row-label-static {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-size: 12px;
  color: #2a3050;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 6px 0;
  word-break: break-all;
}
.kv-file-row-label-static {
  cursor: default;
}
.kv-file-row-label:hover {
  color: #4a50c8;
  text-decoration: underline;
}
.kv-file-row-value {
  display: flex;
  min-width: 0;
}
.kv-file-row-value > * {
  flex: 1;
  min-width: 0;
}

.kv-file-group {
  display: flex;
  flex-direction: column;
  border: 1px solid #e2e6ee;
  border-radius: 8px;
  background: rgba(100, 122, 250, 0.03);
  overflow: hidden;
}
.kv-file-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: none;
  background: rgba(100, 122, 250, 0.1);
  cursor: pointer;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-size: 12px;
  color: #2a3050;
}
.kv-file-group-header:hover {
  background: rgba(100, 122, 250, 0.2);
}
.kv-file-group-chevron {
  font-size: 10px;
  color: #6b7280;
}
.kv-file-group-name {
  font-weight: 600;
  color: #1e3a8a;
}
.kv-file-group-count {
  margin-left: auto;
  padding: 1px 8px;
  background: rgba(100, 122, 250, 0.2);
  color: #4a50c8;
  border-radius: 999px;
  font-size: 11px;
}
.kv-file-group-body {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kv-file-row-lang .kv-file-lang-entries {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kv-file-lang-entry {
  display: flex;
  gap: 6px;
  align-items: center;
}
.kv-file-lang-entry > .kv-leaf-input {
  flex: 1;
}
.kv-file-lang-remove {
  color: #dc2626;
}
.kv-file-lang-add {
  align-self: flex-start;
  background: rgba(100, 122, 250, 0.1);
}

/* ── DateTime leaf ────────────────────────────────────────────────────── */
.kv-leaf-datetime {
  display: flex;
  gap: 8px;
  align-items: center;
}
.kv-leaf-datetime-shape {
  font-size: 11px;
  color: #6b7280;
  background: rgba(100, 122, 250, 0.1);
  padding: 2px 6px;
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: nowrap;
}

/* ── Branch ───────────────────────────────────────────────────────────── */
.kv-branch-section {
  border: 1px solid #e2e6ee;
  border-radius: 6px;
  background: #fff;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kv-branch-section h4 {
  margin: 0;
  font-size: 13px;
  color: #2a3050;
}
.kv-branch-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.kv-branch-prefix {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: #6e7790;
  background: #f0f2f8;
  padding: 6px 8px;
  border-radius: 4px;
  white-space: nowrap;
  max-width: 50%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kv-branch-note {
  margin: 0;
  font-size: 12px;
  color: #6e7790;
  line-height: 1.4;
}

/* ── Buttons ──────────────────────────────────────────────────────────── */
.kv-btn {
  border: 1px solid #d1d6e0;
  background: #fff;
  color: #2a3050;
  padding: 6px 14px;
  border-radius: 5px;
  font-size: 12.5px;
  cursor: pointer;
}
.kv-btn:hover:not(:disabled) { background: #f3f5fb; border-color: #b8c0d0; }
.kv-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.kv-btn-primary {
  background: #6c7afa;
  border-color: #6c7afa;
  color: #fff;
}
.kv-btn-primary:hover:not(:disabled) {
  background: #5868e8;
  border-color: #5868e8;
}

.kv-btn-danger {
  border-color: #e0788a;
  color: #c0392b;
}
.kv-btn-danger:hover:not(:disabled) {
  background: #fdecef;
  border-color: #c0392b;
}

.kv-btn-icon {
  border: 1px solid transparent;
  background: transparent;
  color: #6e7790;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.kv-btn-icon:hover { background: #eef0fb; color: #2a3050; }

/* ── Pane status ──────────────────────────────────────────────────────── */
.kv-pane-status {
  color: #6e7790;
  font-size: 12.5px;
  padding: 8px 0;
}
.kv-pane-empty {
  text-align: center;
  padding: 80px 20px;
  font-size: 14px;
}
.kv-pane-hint {
  margin-top: 8px;
  font-size: 12px;
  color: #8089a0;
}

/* ── Field chips (configure search-in fields) ─────────────────────────── */
.kv-chips {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}
.kv-chips-label {
  font-size: 12px;
  color: #8089a0;
  margin-right: 4px;
}
.kv-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #eef0fb;
  border: 1px solid #d5dafa;
  color: #2a3050;
  border-radius: 12px;
  padding: 1px 4px 1px 8px;
  font-size: 11.5px;
}
.kv-chip code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
}
.kv-chip-x {
  border: none;
  background: transparent;
  color: #6e7790;
  cursor: pointer;
  padding: 0 4px;
  font-size: 14px;
  line-height: 1;
}
.kv-chip-x:hover { color: #c0392b; }
.kv-chip-input {
  border: 1px dashed #c5cad6;
  background: transparent;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 11.5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  outline: none;
  min-width: 90px;
}
.kv-chip-input:focus { border-style: solid; border-color: #6c7afa; }

/* ── Search header (shared across filter mode) ────────────────────────── */
.kv-search-header {
  padding: 6px 10px;
  font-size: 11px;
  color: #6e7790;
  background: #f3f5fb;
  border-bottom: 1px solid #e2e6ee;
  position: sticky;
  top: 0;
  z-index: 1;
}

/* ── Filtered tree (search-active state) ──────────────────────────────── */
.kv-filtered {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
}
.kv-filtered-entry {
  border-bottom: 1px solid #f0f2f8;
}
.kv-filtered-count {
  margin-left: auto;
  background: #eef0fb;
  color: #4a5170;
  padding: 0 6px;
  border-radius: 9px;
  font-size: 10.5px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 600;
}
.kv-filtered-hits {
  padding: 2px 4px 4px 24px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 12px;
}
.kv-filtered-hit {
  display: flex;
  gap: 6px;
  align-items: baseline;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.35;
}
.kv-filtered-hit:hover { background: #f3f5fb; }
.kv-filtered-hit.selected {
  background: #e7eafd;
}
.kv-filtered-hit-field {
  background: #eef0fb;
  color: #4a5170;
  padding: 0 5px;
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.5px;
  flex: 0 0 auto;
}
.kv-filtered-hit-value {
  color: #2a3050;
  word-break: break-word;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.kv-filtered-more {
  padding: 2px 6px 0;
  font-size: 11px;
  font-style: italic;
  color: #8089a0;
}

/* ── Toasts ───────────────────────────────────────────────────────────── */
.kv-toast-stack {
  position: fixed;
  bottom: 16px;
  right: 16px;
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
  z-index: 1000;
  max-width: 480px;
}
.kv-toast {
  background: #2a3050;
  color: #fff;
  border-radius: 6px;
  padding: 9px 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
  font-size: 12.5px;
}
.kv-toast-success { background: #2f9e44; }
.kv-toast-error { background: #c0392b; }
.kv-toast-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  justify-content: space-between;
}
.kv-toast-text {
  flex: 1;
  word-break: break-word;
}
.kv-toast-close {
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}
.kv-toast-close:hover { color: #fff; }
.kv-toast-details {
  margin: 6px 0 0;
  padding-left: 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.85);
  max-height: 160px;
  overflow: auto;
}

.kv-app-gear {
  margin-left: 0.25rem;
  font-size: 1.05rem;
  opacity: 0.6;
}

.kv-app-gear:hover {
  opacity: 1;
}

.kv-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 4vh 1rem;
  overflow-y: auto;
}

.kv-modal {
  position: relative;
  background: white;
  color: inherit;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  width: min(960px, 100%);
  max-height: 92vh;
  overflow-y: auto;
}

.kv-modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  background: transparent;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  z-index: 1;
}

.kv-modal-close:hover {
  opacity: 1;
}

.kv-signer { font-size: 12px; display: inline-flex; align-items: center; gap: 4px; }
.kv-signer select { font-size: 12px; }
.kv-claims { margin-top: 16px; }
.kv-claims-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.kv-claims-table td { padding: 3px 6px; border-top: 1px solid rgba(127, 127, 127, 0.25); vertical-align: top; }