:root {
  --bg-main: #1e1e1e;
  --bg-side: #252526;
  --bg-header: #2d2d2d;
  --border-color: #3c3c3c;
  --text-main: #cccccc;
  --text-muted: #858585;
  --accent-color: #0e639c;
  --hover-bg: #2a2d2e;
  --type-string: #ce9178;
  --type-number: #b5cea8;
  --type-boolean: #569cd6;
  --type-null: #569cd6;
  --type-object: #4ec9b0;
  --nested-bg: #181818;
}

* { box-sizing: border-box; margin: 0; padding: 0; scrollbar-width: thin; scrollbar-color: #555 transparent; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #555; border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: #888; }

.app-header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.app-title { font-size: 12px; font-weight: 600; color: #ffffff; }

.workspace {
  display: grid;
  grid-template-columns: 320px 1fr;
  flex: 1;
  overflow: hidden;
}

.workspace { position: relative; }
.workspace.input-collapsed { grid-template-columns: 1fr; }
.workspace.input-collapsed .editor-pane { display: none; }
.workspace.input-collapsed .preview-pane { grid-column: 1; width: 100%; min-width: 0; }

.input-toggle-edge {
  position: absolute;
  top: 50%;
  left: 320px;
  transform: translate(-50%, -50%);
  z-index: 3;
  width: 20px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--accent-color);
  border-radius: 0 4px 4px 0;
  background: var(--bg-header);
  color: var(--text-main);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.input-toggle-edge:hover { background: var(--accent-color); color: #fff; }
.workspace.input-collapsed .input-toggle-edge {
  left: 0;
  transform: translate(0, -50%);
  width: 32px;
  height: 64px;
  border-radius: 0 6px 6px 0;
  font-size: 30px;
}

.editor-pane {
  background-color: #1a1a2e;
  border-right: 2px solid var(--accent-color);
  display: flex;
  flex-direction: column;
}

.pane-header {
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: #7eb8e8;
  background-color: rgba(14, 99, 156, 0.2);
  border-bottom: 1px solid var(--accent-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.5px;
}

.pane-clear-btn {
  background: rgba(255, 92, 92, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.8);
  border-radius: 4px;
  color: #ffb4b4;
  padding: 3px 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.pane-clear-btn:hover {
  background: rgba(255, 92, 92, 0.22);
  border-color: #ff5a5a;
  color: #ffe0e0;
  box-shadow: 0 0 0 1px rgba(255, 92, 92, 0.4);
}

.btn-copy, .btn-fold {
  padding: 2px 8px;
  font-size: 12px;
  text-transform: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.btn-copy:hover, .btn-fold:hover { border-color: var(--type-object); color: var(--type-object); opacity: 1; }
.btn-copy.copied { border-color: var(--type-object); color: var(--type-object); }

.fmt-option {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.fmt-option input {
  margin: 0;
}

textarea {
  flex: 1;
  background: #12121f;
  border: none;
  color: #d4e6f7;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  padding: 12px;
  resize: none;
  outline: none;
  line-height: 1.6;
  caret-color: var(--accent-color);
}

textarea:focus {
  background: #0f0f1c;
  box-shadow: inset 2px 0 0 var(--accent-color);
}

.btn {
  background-color: var(--accent-color);
  color: #ffffff;
  border: none;
  padding: 5px 12px;
  font-size: 12px;
  border-radius: 3px;
  cursor: pointer;
}

.btn:hover { opacity: 0.9; }

.preview-pane {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-main);
  overflow: hidden;
}

.preview-pane.table-mode {
  display: grid;
  grid-template-columns: 4fr 1fr;
  grid-template-rows: auto auto minmax(0, 1fr);
}
.preview-pane.table-mode .breadcrumb-bar,
.preview-pane.table-mode .filter-bar { grid-column: 1 / -1; }
.preview-pane.table-mode .table-container { grid-column: 1; grid-row: 3; }
.preview-pane.table-mode .table-formatted-container { grid-column: 2; grid-row: 3; }

.breadcrumb-bar {
  padding: 10px 14px;
  font-size: 12px;
  font-family: monospace;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 6px;
}

.view-toggle { margin-left: auto; display: flex; gap: 4px; }

.toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
}

.toggle-btn.active { border-color: var(--accent-color); color: #fff; background: var(--accent-color); }
.toggle-btn:not(.active):hover { border-color: var(--text-main); color: var(--text-main); }

.crumb-link { color: var(--type-object); cursor: pointer; }
.crumb-link:hover { color: #ffffff; }
.crumb-current { color: var(--text-main); }
.crumb-separator { color: var(--text-muted); }

.crumb-copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0 0 0 6px;
  line-height: 1;
  vertical-align: middle;
}
.crumb-copy-btn:hover { color: #fff; }

.table-container { flex: 4 1 0; min-width: 0; overflow: auto; }
.table-formatted-container {
  flex: 1 1 0;
  min-width: 0;
  overflow: auto;
  display: none;
  flex-direction: column;
  border-left: 1px solid var(--border-color);
  background: var(--nested-bg);
}
.table-formatted-header {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 8px 10px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.table-formatted-actions { display: flex; gap: 4px; }
.table-formatted-container pre {
  margin: 0;
  padding: 12px 10px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.table-formatted-toggle {
  position: absolute;
  display: none;
  top: 50%;
  right: 20%;
  transform: translate(50%, -50%);
  z-index: 3;
  width: 20px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--accent-color);
  border-radius: 4px 0 0 4px;
  background: var(--bg-header);
  color: var(--text-main);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.table-formatted-toggle:hover { background: var(--accent-color); color: #fff; }
.workspace.table-formatted-collapsed .preview-pane.table-mode { grid-template-columns: 1fr 0; }
.workspace.table-formatted-collapsed .table-container { flex: 1 1 100%; }
.workspace.table-formatted-collapsed .table-formatted-container { display: none !important; }
.workspace.table-formatted-collapsed .table-formatted-toggle {
  right: 1px;
  transform: translate(0, -50%);
  width: 32px;
  height: 64px;
  border-radius: 6px 0 0 6px;
  font-size: 30px;
}
.formatted-container { flex: 1; overflow: auto; display: none; }

.formatted-toolbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  z-index: 1;
}

.formatted-toolbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.formatted-container pre {
  margin: 0;
  padding: 14px 18px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
}

.fmt-key    { color: #9cdcfe; }
.fmt-string { color: #ce9178; }
.fmt-number { color: #b5cea8; }
.fmt-bool   { color: #569cd6; }
.fmt-null   { color: #569cd6; font-style: italic; }
.fmt-punct  { color: #858585; }

table { width: 100%; border-collapse: collapse; font-size: 12px; text-align: left; }

th {
  position: sticky;
  top: 0;
  background-color: var(--bg-header);
  color: #9cdcfe;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  font-weight: 600;
  white-space: nowrap;
  z-index: 2;
}

td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: monospace;
  vertical-align: top;
}

tr:hover td { background-color: var(--hover-bg); }

.inline-object-preview {
  background-color: var(--nested-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 12px;
}

.inline-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.inline-row:last-child { border-bottom: none; }
.inline-key { color: #9cdcfe; font-weight: 500; }

.val-string { color: var(--type-string); }
.val-number { color: var(--type-number); }
.val-boolean { color: var(--type-boolean); }
.val-null { color: var(--type-null); font-style: italic; }

.val-drilldown-btn {
  background: none;
  border: 1px solid var(--accent-color);
  color: #ffffff;
  background-color: rgba(14, 99, 156, 0.3);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  font-family: monospace;
  cursor: pointer;
  font-weight: bold;
}

.val-drilldown-btn:hover { background-color: var(--accent-color); }

.error-banner {
  background-color: #5a1d1d;
  color: #f88;
  padding: 8px 12px;
  font-size: 12px;
  display: none;
  border-bottom: 1px solid var(--border-color);
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background-color: var(--bg-side);
  border-bottom: 1px solid var(--border-color);
}

.filter-label { font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--text-muted); white-space: nowrap; }

.filter-bar select,
.filter-bar input {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 12px;
  font-family: monospace;
  padding: 3px 7px;
  border-radius: 3px;
  outline: none;
}

.filter-bar select[style*="display:none"] {
  display: none !important;
}

.filter-bar select { cursor: pointer; }
.filter-bar input { flex: 1; min-width: 0; }
.filter-bar input:focus { border-color: var(--accent-color); }

.filter-bar .btn {
  padding: 3px 8px;
  font-size: 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.filter-bar .btn:hover { border-color: #f88; color: #f88; opacity: 1; }

.row-hidden { display: none; }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-side);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 28px 32px;
  max-width: 480px;
  width: 90%;
  position: relative;
  color: var(--text-main);
}

.modal h2 { font-size: 12px; color: #fff; margin-bottom: 12px; }

.modal p { font-size: 12px; line-height: 1.6; color: var(--text-muted); margin-bottom: 14px; }

.modal ul {
  padding-left: 18px;
  font-size: 12px;
  line-height: 2;
  color: var(--text-main);
  margin-bottom: 16px;
}

.modal ul li::marker { color: var(--type-object); }

.modal code {
  background: var(--nested-bg);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: monospace;
  font-size: 12px;
  color: var(--type-string);
}

.modal-footer { margin-bottom: 0 !important; }

.modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: #fff; }

.fmt-toggle {
  display: inline-block;
  width: 14px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  user-select: none;
  flex-shrink: 0;
}
.fmt-toggle:hover { color: #fff; }

.fmt-summary {
  display: none;
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
  margin: 0 4px;
  cursor: pointer;
}

.fmt-node { display: inline; }
.fmt-node.fmt-collapsed .fmt-block { display: none; }
.fmt-node.fmt-collapsed .fmt-close-line { display: inline; }
.fmt-node.fmt-collapsed .fmt-summary { display: inline; }
.fmt-collapsed-content { display: none; }
.fmt-node.fmt-collapsed .fmt-collapsed-content { display: inline; }
.fmt-expanded-suffix { display: inline; }
.fmt-suffix { display: none; }
.fmt-node.fmt-collapsed .fmt-expanded-suffix { display: none; }
.fmt-node.fmt-collapsed .fmt-suffix { display: inline; }

.fmt-line { padding-left: 20px; }
.fmt-close-line { display: block; }
.fmt-punct { color: var(--text-muted); }