*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --toolbar-bg: #13151f;
  --border: #2e3147;
  --accent: #4f6ef7;
  --accent-hover: #3d5ce6;
  --text: #e8eaf0;
  --text-muted: #7b82a0;
  --error-bg: #2d1a1a;
  --error-text: #f87171;
  --radius: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --toolbar-height: 56px;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ── Login layout ──────────────────────────────────────────────────────────── */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 420px;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--text);
}

/* ── Form fields ───────────────────────────────────────────────────────────── */

.field {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--accent);
}

input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Password wrapper with toggle */
.password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.password-wrap input {
  padding-right: 40px;
}

#toggle-password {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

#toggle-password:hover { color: var(--text); }

#toggle-password svg {
  width: 18px;
  height: 18px;
}

/* Error message (form) */
.error {
  background: var(--error-bg);
  color: var(--error-text);
  border-radius: 6px;
  font-size: 0.875rem;
  padding: 10px 12px;
  margin-bottom: 16px;
}

/* Submit button */
button[type="submit"] {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
  transition: background 0.15s, opacity 0.15s;
}

button[type="submit"]:hover:not(:disabled) { background: var(--accent-hover); }
button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; }

/* Secondary button */
button.secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
  transition: color 0.15s, border-color 0.15s;
}

button.secondary:hover { color: var(--text); border-color: var(--text-muted); }

button.secondary.small {
  width: auto;
  padding: 6px 14px;
  font-size: 0.85rem;
  margin-top: 0;
}

/* Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* ── Full-window dashboard ─────────────────────────────────────────────────── */

.dashboard {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Toolbar */
.toolbar {
  flex-shrink: 0;
  height: var(--toolbar-height);
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.toolbar-group label,
.toolbar-label {
  margin-bottom: 0;
  white-space: nowrap;
}

.toolbar-group select {
  min-width: 180px;
}

.toolbar-spacer {
  flex: 1;
}

.toolbar-error {
  color: var(--error-text);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* Main content area — two panels with a draggable splitter */
.dashboard-content {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: row;
}

.panel {
  overflow: auto;
  height: 100%;
}

.panel-left {
  width: 20%;
  min-width: 80px;
}

.panel-right {
  flex: 1;
  min-width: 80px;
}

.splitter {
  flex-shrink: 0;
  width: 5px;
  cursor: col-resize;
  background: var(--border);
  transition: background 0.15s;
}

.splitter:hover,
.splitter.dragging {
  background: var(--accent);
}

/* ── Select / combo box ────────────────────────────────────────────────────── */

select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.875rem;
  padding: 6px 32px 6px 10px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237b82a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.15s;
}

select:focus { border-color: var(--accent); }
select:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Icon button (toolbar +) ─────────────────────────────────────────────── */

.icon-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  margin-top: 0;
  transition: border-color 0.15s, color 0.15s;
}

.icon-btn svg { width: 14px; height: 14px; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

/* ── Form dialog ─────────────────────────────────────────────────────────── */

.form-dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
  padding: 0;
  width: 340px;
  flex-direction: column;
}

.form-dialog[open] { display: flex; }

.form-dialog::backdrop { background: rgba(0, 0, 0, 0.6); }

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.form-dialog .dialog-body { padding: 16px; }
.form-dialog .field { display: flex; flex-direction: column; gap: 6px; }
.form-dialog .field label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.form-dialog .field input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.875rem;
  padding: 7px 10px;
}
.form-dialog .field input:focus { outline: none; border-color: var(--accent); }
.dialog-error { margin-top: 10px; font-size: 0.8rem; color: var(--error-text); }

/* ── Environment button & dialog ─────────────────────────────────────────── */

.env-btn {
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 5px 12px;
  cursor: pointer;
  width: auto;
  margin-top: 0;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
}

.env-btn:hover { border-color: var(--accent); color: var(--accent); }

.env-dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
  padding: 0;
  width: 360px;
  max-height: 70vh;
  flex-direction: column;
}

.env-dialog[open] {
  display: flex;
}

.env-dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.dialog-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.dialog-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  width: auto;
  margin-top: 0;
  transition: color 0.15s, background 0.15s;
}

.dialog-close:hover { color: var(--text); background: rgba(255,255,255,0.07); }

.dialog-body {
  overflow-y: auto;
  padding: 8px 0;
  flex: 1;
}

/* ── Navigation tree ─────────────────────────────────────────────────────── */

.tree-toolbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  border-bottom: 1px solid var(--border);
  background: var(--toolbar-bg);
}

.tree-tool-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--text-muted);
  cursor: pointer;
  margin: 0;
}

.tree-tool-btn svg:first-child { width: 16px; height: 16px; }

.tree-tool-badge {
  position: absolute;
  bottom: 3px;
  right: 3px;
  width: 8px;
  height: 8px;
  background: var(--toolbar-bg);
  border-radius: 2px;
}

.tree-tool-btn:hover { border-color: var(--border); color: var(--text); }
.tree-tool-btn:disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }

.tree-tool-sep {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 4px;
}

.panel-left {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.panel-left-top {
  height: 60%;
  min-height: 40px;
  overflow-y: auto;
  padding: 8px 0;
}

.panel-left-bottom {
  flex: 1;
  min-height: 40px;
  overflow-y: auto;
  padding: 8px 0;
}

.h-splitter {
  flex-shrink: 0;
  height: 5px;
  cursor: row-resize;
  background: var(--border);
  transition: background 0.15s;
}

.h-splitter:hover,
.h-splitter.dragging {
  background: var(--accent);
}

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

.tree-children {
  padding-left: 16px;
}

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

.tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 4px;
  margin: 1px 4px;
  transition: background 0.1s;
}

.tree-row:hover {
  background: rgba(255, 255, 255, 0.05);
}

.tree-toggle {
  font-size: 0.6rem;
  color: var(--text-muted);
  width: 12px;
  flex-shrink: 0;
  text-align: center;
  transition: color 0.15s;
}

.tree-row:hover .tree-toggle {
  color: var(--text);
}

.tree-icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  color: #f0b429;
}

.tree-icon svg {
  width: 14px;
  height: 14px;
}

.tree-label {
  font-size: 0.875rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-loading,
.tree-empty,
.tree-error {
  font-size: 0.85rem;
  padding: 12px 14px;
  color: var(--text-muted);
}

.tree-error {
  color: var(--error-text);
}

/* ── Tree selection ───────────────────────────────────────────────────────── */

.tree-row-request {
  cursor: pointer;
}

.tree-row.selected {
  background: rgba(79, 110, 247, 0.2);
}

.tree-row.selected .tree-label {
  color: #fff;
}

.tree-row[draggable="true"] { cursor: grab; }
.tree-row[draggable="true"]:active { cursor: grabbing; }
.tree-row.dragging { opacity: 0.35; }
.tree-row.drop-before { box-shadow: inset 0 2px 0 0 var(--accent); }
.tree-row.drop-after  { box-shadow: inset 0 -2px 0 0 var(--accent); }
.tree-row.drop-on     { background: rgba(79, 110, 247, 0.25); outline: 1px solid var(--accent); }

/* ── Details panel (right) ────────────────────────────────────────────────── */

.panel-right {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.editor-header {
  flex-shrink: 0;
  padding: 14px 20px 12px;
  border-bottom: 1px solid var(--border);
}

.editor-header h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.item-name-input {
  width: 100%;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 2px 6px;
  margin: 0;
  box-sizing: border-box;
}
.item-name-input:hover { border-color: var(--border); }
.item-name-input:focus { border-color: var(--accent); outline: none; background: var(--input-bg, var(--surface)); }

/* Method selector */
.method-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
}

.method-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0;
  white-space: nowrap;
}

.method-select {
  width: auto;
  min-width: 110px;
  font-weight: 600;
  font-size: 0.875rem;
}

.path-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.875rem;
  padding: 6px 10px;
  outline: none;
  transition: border-color 0.15s;
}

.path-input:focus { border-color: var(--accent); }

/* Tab bar */
.tab-bar {
  flex-shrink: 0;
  display: flex;
  gap: 2px;
  padding: 8px 16px 0;
  border-bottom: 1px solid var(--border);
  background: var(--toolbar-bg);
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px 8px;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
  width: auto;
  margin-top: 0;
  border-radius: 0;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* Tab content */
.tab-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.tab-panel {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* Payload editor */
.payload-editor {
  flex: 1;
  width: 100%;
  background: var(--bg);
  border: none;
  border-radius: 0;
  color: var(--text);
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  padding: 14px 20px;
  outline: none;
  resize: none;
}

.payload-editor.invalid { box-shadow: inset 3px 0 0 var(--error-text); }

/* Param table (Query / Headers) */
.param-col-header {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  background: var(--toolbar-bg);
}

.param-row {
  display: grid;
  grid-template-columns: 32px 1fr 1fr 28px;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.param-rows {
  flex: 1;
}

.col-enabled, .col-delete {
  display: flex;
  align-items: center;
  justify-content: center;
}

.param-checkbox {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}

.param-input {
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--text);
  font-size: 0.875rem;
  padding: 4px 6px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}

.param-input:hover { border-color: var(--border); }
.param-input:focus { border-color: var(--accent); background: var(--bg); }

.btn-delete-row {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  line-height: 1;
  width: auto;
  margin-top: 0;
  transition: color 0.15s, background 0.15s;
}

.btn-delete-row:hover { color: var(--error-text); background: var(--error-bg); }

.btn-add-row {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  padding: 8px 14px;
  text-align: left;
  width: auto;
  margin-top: 0;
  transition: color 0.15s;
}

.btn-add-row:hover { color: #fff; }

/* Footer */
.editor-footer {
  flex-shrink: 0;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.apply-status { font-size: 0.8rem; }

.context-menu {
  position: fixed;
  z-index: 9999;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  padding: 4px;
  min-width: 130px;
  display: flex;
  flex-direction: column;
}

.context-menu-item {
  background: none;
  border: none;
  border-radius: 4px;
  color: var(--text);
  font-size: 0.85rem;
  padding: 6px 12px;
  text-align: left;
  cursor: pointer;
  width: 100%;
}
.context-menu-item:hover:not(:disabled) { background: var(--hover, rgba(255,255,255,0.07)); }
.context-menu-item:disabled { opacity: 0.4; cursor: default; }
.context-menu-danger { color: #e57373; }
.apply-status-ok  { color: #4caf50; }
.apply-status-err { color: var(--error, #e57373); }

.btn-apply {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 7px 20px;
  cursor: pointer;
  width: auto;
  margin-top: 0;
  transition: background 0.15s;
}

.btn-apply:hover { background: var(--accent-hover); }

.btn-submit {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 7px 20px;
  cursor: pointer;
  width: auto;
  margin-top: 0;
  transition: background 0.15s, color 0.15s;
}

.btn-submit:hover {
  background: var(--accent);
  color: #fff;
}

.editor-error {
  padding: 16px 20px;
  color: var(--error-text);
  font-size: 0.875rem;
}

/* ── Response pane ─────────────────────────────────────────────────────────── */

.response-pane {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  max-height: 260px;
  overflow: hidden;
}

.response-loading {
  padding: 10px 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.response-status {
  flex-shrink: 0;
  display: block;
  padding: 6px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}

.response-ok  { color: #4ade80; background: rgba(74, 222, 128, 0.08); }
.response-err { color: var(--error-text); background: var(--error-bg); }

.response-body {
  flex: 1;
  overflow: auto;
  margin: 0;
  padding: 10px 16px;
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: 0.78rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── Properties table ─────────────────────────────────────────────────────── */

.props-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.props-table thead th {
  position: sticky;
  top: 0;
  background: var(--toolbar-bg);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.props-table tbody tr {
  border-bottom: 1px solid var(--border);
}

.props-table tbody tr:hover {
  background: rgba(79, 110, 247, 0.07);
}

.props-table td {
  padding: 5px 10px;
  color: var(--text);
  word-break: break-word;
}

.props-table td:first-child {
  color: var(--text-muted);
  font-family: ui-monospace, 'SF Mono', monospace;
  white-space: nowrap;
  width: 40%;
}

/* ── Utility ───────────────────────────────────────────────────────────────── */

.hidden { display: none !important; }