* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, "Noto Sans Myanmar", sans-serif;
  color: #172026;
  background: #f4f6f8;
}

.topbar {
  display: grid;
  grid-template-columns: 280px 1fr auto auto;
  gap: 12px;
  align-items: end;
  padding: 12px 16px;
  border-bottom: 1px solid #ccd3da;
  background: #ffffff;
}

.control label {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  color: #59636e;
}

select,
input,
button,
textarea {
  font: inherit;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid #b9c2cc;
  border-radius: 4px;
  padding: 7px 8px;
  background: #ffffff;
}

button {
  border: 1px solid #8fa0b2;
  border-radius: 4px;
  padding: 7px 12px;
  background: #ffffff;
  cursor: pointer;
}

button:hover {
  background: #edf2f7;
}

.summary {
  min-height: 34px;
  color: #42515f;
  font-size: 13px;
}

.layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) 380px;
  height: calc(100vh - 61px);
  min-width: 0;
  overflow: hidden;
}

.sidebar,
.field-panel {
  min-width: 0;
  overflow: auto;
  border-right: 1px solid #ccd3da;
  background: #ffffff;
}

.field-panel {
  border-right: 0;
  border-left: 1px solid #ccd3da;
}

.filters {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid #e1e6eb;
}

.doc-list {
  display: grid;
}

.doc-item {
  border: 0;
  border-bottom: 1px solid #e1e6eb;
  border-radius: 0;
  padding: 10px 12px;
  text-align: left;
  background: #ffffff;
}

.doc-item.active {
  background: #e8f1fb;
}

.doc-item .meta {
  margin-top: 4px;
  font-size: 12px;
  color: #657280;
}

.status-pill {
  display: inline-block;
  min-width: 78px;
  margin-right: 6px;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid #c4ccd4;
  color: #33404c;
  background: #f6f8fa;
}

.status-unreviewed {
  background: #f6f8fa;
}

.status-modified {
  border-color: #7fb2dd;
  background: #e6f2fb;
}

.status-reviewed {
  border-color: #80bd90;
  background: #e8f7ec;
}

.status-needs_review {
  border-color: #d7b85a;
  background: #fff4c7;
}

.status-skip {
  border-color: #aab2bb;
  background: #e9edf1;
}

.viewer {
  min-width: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}

.viewer-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid #ccd3da;
  background: #ffffff;
  min-width: 0;
  overflow: hidden;
}

.viewer-toolbar span {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-toolbar button {
  flex: 0 0 auto;
}

.side-tabs {
  display: flex;
  gap: 4px;
  flex: 0 0 auto;
}

.side-tab {
  min-width: 58px;
  padding: 6px 10px;
}

.side-tab.active {
  border-color: #1f6fb2;
  color: #0f4f86;
  background: #e8f1fb;
}

.canvas-wrap {
  overflow: hidden;
  background: #26313a;
  position: relative;
  min-width: 0;
  min-height: 0;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.field-list {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.field-card {
  border: 1px solid #c6d0da;
  border-radius: 6px;
  padding: 10px;
  background: #ffffff;
}

.field-card.active {
  border-color: #1f6fb2;
  box-shadow: 0 0 0 2px rgba(31, 111, 178, 0.16);
}

.field-card h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.field-card label {
  display: block;
  margin: 8px 0 4px;
  font-size: 12px;
  color: #59636e;
}

.field-card textarea {
  min-height: 58px;
  resize: vertical;
}

.error-panel {
  margin: 12px;
  padding: 10px;
  border: 1px solid #d79a9a;
  border-radius: 4px;
  background: #fff2f2;
  color: #7d2020;
  font-size: 13px;
}

.error-panel pre {
  white-space: pre-wrap;
}

.hidden {
  display: none;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: 520px;
  padding: 10px 12px;
  border-radius: 4px;
  color: #ffffff;
  background: #172026;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1000px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: 220px 55vh 1fr;
    height: auto;
  }
}