:root {
  --radius: 14px;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(1000px 520px at 20% 0%, #1b2a6b20, transparent 60%), var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
  box-sizing: border-box;
  display: grid;
  gap: 14px;
}

.panel {
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
}

h1 {
  margin: 0;
  font-size: 22px;
}

.sub {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 980px) {
  .grid.two {
    grid-template-columns: 1fr 1fr;
  }
}

label {
  font-size: 12px;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

textarea,
input,
select {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
  font-family: inherit;
}

textarea {
  min-height: 220px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.row > * {
  flex: 1 1 auto;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 12px;
  cursor: pointer;
  font-size: 14px;
}

.btn:hover {
  background: rgba(255,255,255,.10);
}

.btn.primary {
  border-color: rgba(124,196,255,.45);
}

.status {
  font-size: 12px;
  color: var(--muted);
  white-space: pre-wrap;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.kv {
  display: grid;
  grid-template-columns: minmax(130px, 180px) 1fr;
  gap: 8px 10px;
  font-size: 13px;
}

.kv .k {
  color: var(--muted);
}

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  background: rgba(0,0,0,.16);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  overflow: auto;
}

.small {
  font-size: 12px;
  color: var(--muted);
}

#fileInput {
  display: none;
}

#downloadBtn {
  display: none;
}

#metaBlock {
  display: none;
}

footer details {
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

footer summary {
  cursor: pointer;
}

.result-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.result-list li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(0,0,0,.12);
}

.outputPreview {
  display: none;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0,0,0,.14);
  padding: 10px;
}

.outputPreview .small {
  margin-bottom: 8px;
}

.outputPreview img {
  display: block;
  max-width: 100%;
  max-height: 420px;
  height: auto;
  border-radius: 8px;
  background: #fff;
}

.outputPreview canvas,
.outputPreview video {
  display: block;
  max-width: 100%;
  max-height: 420px;
  height: auto;
  border-radius: 8px;
}

.image-upload-only label {
  margin-bottom: 8px;
}

.upload-drop-zone {
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: rgba(0,0,0,.12);
  color: var(--text);
  padding: 14px;
  font-size: 13px;
  line-height: 1.45;
  cursor: pointer;
  user-select: none;
  transition: border-color .15s ease, background .15s ease;
}

.upload-drop-zone:hover,
.upload-drop-zone:focus {
  border-color: rgba(124,196,255,.65);
  background: rgba(124,196,255,.12);
  outline: none;
}

.upload-drop-zone.drag {
  border-color: rgba(124,196,255,.9);
  background: rgba(124,196,255,.2);
}

.search-ui-wrap {
  display: grid;
  gap: 10px;
}

.search-engine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.search-engine-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 4px;
  min-height: 72px;
}

.search-engine-btn .engine-name {
  font-weight: 700;
}

.search-engine-btn .engine-meta {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

.outputPreview .scanner-video {
  width: 100%;
  background: #000;
  object-fit: contain;
}

.protobuf-wrap {
  margin-top: 10px;
  overflow: auto;
}

.protobuf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.protobuf-table th,
.protobuf-table td {
  border: 1px solid var(--line);
  padding: 6px 8px;
  vertical-align: top;
}

.protobuf-table th {
  background: rgba(255,255,255,.06);
  text-align: left;
  color: var(--muted);
  font-weight: 600;
}

.protobuf-table .mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.json-editor-wrap {
  margin-top: 10px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 10px;
  background: rgba(0,0,0,.08);
}

.je-root,
.je-node {
  display: grid;
  gap: 8px;
}

.je-node {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: rgba(0,0,0,.10);
}

.je-node-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.je-node-title {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .01em;
}

.je-children {
  display: grid;
  gap: 8px;
}

.je-entry {
  border-left: 2px solid var(--line);
  padding-left: 8px;
  display: grid;
  gap: 6px;
}

.je-entry-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.je-key {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.je-index {
  min-width: 42px;
  color: var(--muted);
  font-size: 12px;
}

.je-add,
.je-del {
  width: auto;
  flex: 0 0 auto;
}

.je-primitive {
  grid-template-columns: minmax(120px, 160px) 1fr;
}

.je-primitive .je-pbool {
  display: none;
}

@media (max-width: 760px) {
  .je-primitive {
    grid-template-columns: 1fr;
  }

  .je-entry-head {
    flex-wrap: wrap;
  }
}