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

:root {
  --bg-marketing:   #08090a;
  --bg-panel:       #0f1011;
  --bg-surface:     #191a1b;
  --bg-elevated:    #24252a;
  --bg-input:       rgba(255,255,255,0.03);
  --bg-hover:       rgba(255,255,255,0.04);

  --text-primary:   #f7f8f8;
  --text-secondary: #c9cdd2;
  --text-tertiary:  #8a8f98;
  --text-quaternary:#62666d;

  --accent:         #6c7ae0;
  --accent-hover:   #828fff;
  --accent-subtle:  rgba(108,122,224,0.12);

  --green:          #10b981;
  --red:            #ef4444;
  --yellow:         #f59e0b;
  --orange:         #f97316;

  --border-subtle:  rgba(255,255,255,0.04);
  --border:         rgba(255,255,255,0.07);
  --border-visible: rgba(255,255,255,0.12);

  --radius-sm:  4px;
  --radius-md:  6px;
  --radius-lg:  8px;
  --radius-xl:  12px;

  --shadow-sm:  rgba(0,0,0,0.3) 0px 1px 2px;
  --shadow-md:  rgba(0,0,0,0.4) 0px 4px 12px;
  --shadow-lg:  0 8px 30px rgba(0,0,0,0.5);

  --font-ui:    system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono:  ui-monospace, 'Cascadia Code', 'Consolas', monospace;

  font-feature-settings: 'cv01', 'ss03';
}

html {
  font-size: 15px;
}

body {
  font-family: var(--font-ui);
  background: var(--bg-marketing);
  color: var(--text-secondary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

header {
  text-align: center;
  padding: 2.5rem 0 2rem;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 510;
  letter-spacing: -0.704px;
  line-height: 1.13;
  color: var(--text-primary);
}

header h1 .emoji {
  font-style: normal;
  font-feature-settings: normal;
}

.subtitle {
  font-size: 0.94rem;
  font-weight: 400;
  color: var(--text-tertiary);
  letter-spacing: -0.165px;
  margin-top: 0.35rem;
}

.subtitle code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-input);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.drop-zone {
  border: 1px dashed var(--border-visible);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-input);
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.drop-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.6rem;
  line-height: 1;
}

.drop-content p {
  color: var(--text-tertiary);
  font-size: 0.88rem;
  font-weight: 400;
}

.drop-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(255,255,255,0.06);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.drop-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--accent-subtle);
  border: 1px solid rgba(108,122,224,0.25);
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
}

.path-hint {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-quaternary);
  line-height: 1.45;
}

.path-hint code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  word-break: break-all;
  color: var(--text-tertiary);
}

#file-name {
  font-weight: 510;
  font-size: 0.88rem;
  color: var(--text-primary);
  word-break: break-all;
}

#file-size {
  font-size: 0.81rem;
  color: var(--text-quaternary);
  font-weight: 400;
  margin-left: auto;
}

.clear-btn {
  background: none;
  border: none;
  color: var(--text-quaternary);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0.1rem 0.3rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
}

.clear-btn:hover {
  color: var(--text-secondary);
}

.btn {
  font-family: var(--font-ui);
  font-weight: 510;
  font-size: 0.88rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 1.4;
  letter-spacing: -0.13px;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.78rem;
  gap: 0.25rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: rgba(255,255,255,0.03);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255,255,255,0.06);
  border-color: var(--border-visible);
}

.btn-action {
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid rgba(108,122,224,0.2);
}

.btn-action:hover:not(:disabled) {
  background: rgba(108,122,224,0.2);
  border-color: rgba(108,122,224,0.35);
}

.action-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.status-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-quaternary);
  letter-spacing: normal;
}

.status-badge.valid {
  border-color: rgba(16,185,129,0.3);
  color: var(--green);
  background: rgba(16,185,129,0.08);
}

.status-badge.invalid {
  border-color: rgba(239,68,68,0.3);
  color: var(--red);
  background: rgba(239,68,68,0.08);
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.view-toggle {
  display: flex;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.btn-view {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 510;
  padding: 0.35rem 0.7rem;
  background: transparent;
  border: none;
  color: var(--text-quaternary);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-view:hover {
  color: var(--text-secondary);
}

.btn-view.active {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
}

.search-bar {
  flex: 1;
  min-width: 180px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.3rem 0.6rem;
  transition: border-color 0.15s;
  overflow: hidden;
}

.search-bar:focus-within {
  border-color: var(--accent);
}

.search-icon {
  font-size: 0.8rem;
  opacity: 0.5;
  flex-shrink: 0;
}

.search-bar input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 400;
}

.search-bar input::placeholder {
  color: var(--text-quaternary);
}

.search-count {
  font-size: 0.72rem;
  color: var(--text-quaternary);
  font-family: var(--font-mono);
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: 0.15rem;
}

.quick-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.tree-view {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  background: var(--bg-marketing);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.25rem 0;
  min-height: 120px;
  max-height: 65vh;
  overflow-y: auto;
}

.catalog-panel {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.catalog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.catalog-title {
  font-size: 0.95rem;
  font-weight: 510;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.catalog-sub {
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.45;
}

.catalog-sub code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.catalog-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: flex-end;
}

.catalog-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.72rem;
  color: var(--text-tertiary);
  min-width: 10rem;
}

.catalog-field-grow {
  flex: 1;
  min-width: 12rem;
}

.catalog-field select,
.catalog-field input {
  background: var(--bg-marketing);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font: inherit;
  font-size: 0.82rem;
  padding: 0.4rem 0.55rem;
}

.catalog-field select:focus,
.catalog-field input:focus {
  outline: none;
  border-color: var(--border-visible);
}

.catalog-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 280px;
  overflow-y: auto;
  padding: 0.35rem;
  background: var(--bg-marketing);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.catalog-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
}

.catalog-item:hover {
  background: var(--bg-hover);
}

.catalog-item.is-owned {
  border-color: rgba(16, 185, 129, 0.25);
  background: rgba(16, 185, 129, 0.06);
}

.catalog-item input {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.catalog-item-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.catalog-item-label {
  font-size: 0.82rem;
  color: var(--text-primary);
}

.catalog-item-id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.catalog-item-owned {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.68rem;
  color: var(--green);
  padding-top: 0.15rem;
}

.catalog-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  margin-top: 0.65rem;
}

.catalog-status {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.catalog-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.tree-node {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 0.5rem;
  border-radius: 0;
  cursor: default;
  transition: background 0.08s;
  min-height: 26px;
  user-select: none;
}

.tree-node:hover {
  background: var(--bg-hover);
}

.filtered-out {
  display: none;
}

.tree-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-quaternary);
  font-size: 0.55rem;
  user-select: none;
  transition: color 0.1s, transform 0.15s;
  border-radius: var(--radius-sm);
  margin-right: 2px;
}

.tree-arrow:hover {
  color: var(--text-secondary);
}

.tree-arrow.empty {
  visibility: hidden;
  pointer-events: none;
}

.tree-node:has(.tree-arrow:not(.empty)) {
  cursor: pointer;
}

.tree-key {
  color: #7ec8e3;
  flex-shrink: 0;
  margin-right: 0.35rem;
  font-size: 0.82rem;
}

.tree-key.highlight {
  color: var(--yellow);
}

.tree-key.danger {
  color: var(--red);
}

.tree-colon {
  color: var(--text-quaternary);
  flex-shrink: 0;
  margin-right: 0.35rem;
}

.tree-value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-value.type-string {
  color: #a5d6a7;
}

.tree-value.type-string::before,
.tree-value.type-string::after {
  content: '"';
  opacity: 0.5;
}

.tree-value.type-number {
  color: #ffab91;
}

.tree-value[data-editable] {
  cursor: text;
}

.tree-value[data-editable]:hover {
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}

.tree-value.type-boolean {
  color: #ce93d8;
}

.tree-value.type-null {
  color: var(--text-quaternary);
  font-style: italic;
}

.tree-value.type-object,
.tree-value.type-array {
  color: var(--text-tertiary);
  font-size: 0.78rem;
}

.tree-value-input {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--bg-marketing);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 1px 4px;
  outline: none;
  width: 100%;
  min-width: 40px;
}

.tree-value-input:focus {
  box-shadow: 0 0 0 1px rgba(108,122,224,0.3);
}

.tree-bool-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  user-select: none;
}

.tree-bool-toggle input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border-visible);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all 0.12s;
}

.tree-bool-toggle input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.tree-bool-toggle input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 10px;
  color: #fff;
  font-weight: 600;
}

.tree-bool-label {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.tree-children {
  overflow: hidden;
}

.tree-children.collapsed {
  display: none;
}

.tree-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-quaternary);
  font-size: 0.88rem;
  font-family: var(--font-ui);
}

.tree-empty.no-results {
  color: var(--yellow);
}

#json-editor {
  width: 100%;
  min-height: 380px;
  max-height: 70vh;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.55;
  padding: 0.85rem 1rem;
  background: var(--bg-marketing);
  color: #c9cdd2;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  resize: vertical;
  tab-size: 2;
  outline: none;
  transition: border-color 0.15s;
}

#json-editor:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(108,122,224,0.25);
}

#json-editor.error {
  border-color: rgba(239,68,68,0.4);
}

.editor-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.65rem;
  gap: 0.75rem;
}

#json-status {
  font-size: 0.75rem;
}

#json-status.valid-json {
  color: var(--green);
  border-color: rgba(16,185,129,0.25);
  background: rgba(16,185,129,0.06);
}

#json-status.invalid-json {
  color: var(--red);
  border-color: rgba(239,68,68,0.25);
  background: rgba(239,68,68,0.06);
}

footer {
  text-align: center;
  padding: 1.5rem 0 0;
  color: var(--text-quaternary);
  font-size: 0.78rem;
  line-height: 1.6;
}

footer a {
  color: var(--text-tertiary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.15s;
}

footer a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-visible);
}

@media (max-width: 700px) {
  #app {
    padding: 1rem;
  }

  header {
    padding: 1.5rem 0 1rem;
  }

  header h1 {
    font-size: 1.35rem;
    letter-spacing: -0.5px;
  }

  .editor-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-bar {
    min-width: auto;
  }

  .quick-actions {
    width: 100%;
  }

  #json-editor {
    min-height: 240px;
    font-size: 0.75rem;
  }

  .action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .action-row .btn {
    justify-content: center;
  }
}

/* Some browsers leave <dialog> visible when not open */
.modal-card:not([open]) {
  display: none !important;
}

.modal-card {
  border: 1px solid var(--border-visible);
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
  box-shadow: var(--shadow-lg);
  width: min(420px, 90vw);
  max-height: 80vh;
  padding: 0;
  margin: auto;
  display: flex;
  flex-direction: column;
  animation: modal-in 0.15s ease-out;
}

.modal-card::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  padding: 1rem 1.25rem 0;
}

.modal-title {
  font-size: 0.94rem;
  font-weight: 510;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.modal-body {
  padding: 0.85rem 1.25rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  overflow-y: auto;
}

.modal-body .modal-field-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-bottom: 0.35rem;
}

.modal-body input[type="number"],
.modal-body input[type="text"] {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 0.5rem 0.65rem;
  background: var(--bg-marketing);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.modal-body input[type="number"]:focus,
.modal-body input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(108,122,224,0.25);
}

.modal-body .modal-info-line {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.25rem 0;
  color: var(--text-tertiary);
}

.modal-body .modal-info-line .modal-info-val {
  color: var(--text-secondary);
}

.modal-body .modal-warning {
  margin-top: 0.7rem;
  padding: 0.5rem 0.65rem;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-md);
  font-size: 0.78rem;
  color: var(--yellow);
  line-height: 1.5;
}

.modal-body .modal-premium-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.5rem;
}

.modal-body .modal-premium-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.45rem 0.55rem;
  background: var(--bg-marketing);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.modal-body .modal-premium-item input {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.modal-body .modal-premium-label {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.modal-body .modal-premium-id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.modal-body .modal-premium-extra .modal-premium-label {
  color: var(--text-secondary);
}

.modal-body .modal-inventory-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 5.5rem;
  align-items: center;
  gap: 0.75rem;
  cursor: default;
}

.modal-body .modal-inventory-item .modal-premium-label {
  min-width: 0;
}

.modal-body .modal-inventory-item input[type="number"] {
  width: 100%;
  max-width: 5.5rem;
  margin-top: 0;
  justify-self: end;
}

.modal-body .modal-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.55rem 0.65rem;
  background: var(--bg-marketing);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.modal-body .modal-checkbox-row input {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem 1rem;
}