:root {
  --ink: #1c2422;
  --muted: #5e6a66;
  --line: #e3ddd3;
  --paper: #f6f3ec;
  --panel: #fffdf8;
  --teal: #0f6e6b;
  --teal-dark: #0c5552;
  --shadow: 0 10px 30px rgba(28, 36, 34, 0.08);
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

button, input, select {
  font: inherit;
}

button {
  background: var(--teal);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--teal-dark);
  border: 1px solid #c9d6d3;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.brand p, #host-banner, #status, .hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

#file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

#host-banner, #reattach {
  padding: 8px 16px;
  background: #fff4e8;
  color: #6d3b12;
  border-bottom: 1px solid #f0d7c2;
}

html[data-ready-tip="dismissed"] #mac-tip {
  display: none !important;
}

.mac-tip {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  justify-content: space-between;
  margin: 0;
  padding: 6px 16px;
  font-size: 12px;
  line-height: 1.35;
  color: var(--muted);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.mac-tip button {
  flex: none;
  background: transparent;
  color: var(--teal-dark);
  border: 1px solid #c9d6d3;
  padding: 2px 8px;
  font-size: 12px;
}

#reattach strong {
  font-weight: 650;
}

#preview tr.low td {
  background: #fff4e8;
}

#apply-all {
  margin: 0 0 8px;
}

.workspace {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
}

.viewer-pane {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.viewer-bar, .dialog-bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  background: #fbfaf6;
}

.pager {
  display: flex;
  gap: 8px;
  align-items: center;
}

.pager button, .viewer-bar button, .dialog-bar button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 4px 8px;
}

#viewer-scroll {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px;
}

#viewer {
  position: relative;
  width: 100%;
  background: white;
  box-shadow: var(--shadow);
}

#page-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: white;
}

#overlay {
  position: absolute;
  inset: 0;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
}

.preview-dialog #overlay {
  cursor: default;
}

[hidden] { display: none !important; }

#empty-state {
  position: absolute;
  inset: 24px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  border: 1px dashed #cfc6b8;
  border-radius: 10px;
  padding: 24px;
  background: rgba(255, 253, 248, 0.9);
}

aside {
  min-height: 0;
  overflow: auto;
  border-left: 1px solid var(--line);
  background: var(--panel);
  padding: 14px;
}

aside h2 {
  margin: 14px 0 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

aside h2 span {
  display: block;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  margin-top: 2px;
}

#doc-list, #snip-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.doc-button {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--ink);
  border-radius: 0;
  padding: 6px 2px;
}

#doc-list li.active .doc-button {
  color: var(--teal-dark);
  font-weight: 650;
}

.snip-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 32px;
  gap: 6px;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}

.drag-handle {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 0;
  cursor: grab;
  font-size: 18px;
  line-height: 1;
}

.snip-name {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-left-width: 4px;
  border-radius: 6px;
  padding: 6px 8px;
  background: white;
  color: var(--ink);
}

.remove-snip {
  padding: 4px 0;
}

#export-btn {
  width: 100%;
  margin-top: 12px;
}

#preview {
  overflow: auto;
}

#preview table, #mock-grid table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  background: white;
}

#preview th, #preview td, #mock-grid th, #mock-grid td {
  border: 1px solid #d9d3c8;
  padding: 4px 6px;
  text-align: left;
  vertical-align: top;
}

#preview th, #mock-grid th {
  background: #e7f3f2;
}

footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 8px 16px;
  min-height: 36px;
}

.snip-box, .draw-rect {
  position: absolute;
  box-sizing: border-box;
}

.taskpane .snip-box {
  pointer-events: none;
  border: 2px solid var(--teal);
}

.draw-rect {
  border: 2px dashed var(--teal);
  background: rgba(15, 110, 107, 0.12);
  pointer-events: none;
}

.snip-box span {
  position: absolute;
  left: 0;
  bottom: calc(100% + 3px);
  top: auto;
  z-index: 1;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 10px;
  line-height: 14px;
  font-weight: 650;
  color: white;
  padding: 0 4px;
  border-radius: 2px;
  white-space: nowrap;
  pointer-events: none;
}

.snip-box span.side {
  right: calc(100% + 3px);
  left: auto;
  top: 0;
  bottom: auto;
}

.snip-box span.side-right {
  left: calc(100% + 3px);
  right: auto;
  top: 0;
  bottom: auto;
}

.snip-box span.chip {
  left: -16px;
  top: -1px;
  bottom: auto;
  width: 14px;
  height: 14px;
  max-width: 14px;
  padding: 0;
  border-radius: 8px;
  text-align: center;
  line-height: 14px;
  pointer-events: auto;
  cursor: default;
}

.doc-actions, .mark-toggle {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

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

.remove-doc {
  flex: none;
  padding: 2px 6px;
}

#confidence-note {
  margin: 0 14px 8px;
  padding: 8px 12px;
  color: #8a4b08;
  font-weight: 650;
  background: #fff4e8;
  border-radius: 6px;
}

.confirm {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(28, 25, 23, 0.35);
}

.confirm > div {
  width: min(320px, 100%);
  padding: 16px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(28, 25, 23, 0.18);
}

.confirm p {
  margin: 0 0 8px;
}

.confirm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.preview-dialog {
  background: #efeae2;
}

.preview-dialog #app {
  height: 100%;
}

.dialog-readout {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  padding: 10px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.dialog-readout strong {
  font-size: 16px;
}

#live-text {
  font-family: "Cascadia Mono", "Liberation Mono", Consolas, monospace;
  font-size: 14px;
}

.preview-dialog .snip-box {
  border: 2px solid var(--teal);
  cursor: move;
}

.handle {
  position: absolute;
  z-index: 2;
  width: 12px;
  height: 12px;
  background: white;
  border: 2px solid currentColor;
  border-radius: 2px;
  color: inherit;
}

#open-viewer {
  font-weight: 650;
  white-space: nowrap;
}

#preview-hint, #viewer-hint {
  padding: 6px 14px;
}

.viewer-mode #overlay {
  cursor: crosshair;
}

.viewer-mode .snip-box {
  pointer-events: none;
  cursor: default;
}

.snip-box { color: var(--teal); }
.handle-n { top: -7px; left: calc(50% - 6px); cursor: ns-resize; }
.handle-s { bottom: -7px; left: calc(50% - 6px); cursor: ns-resize; }
.handle-e { right: -7px; top: calc(50% - 6px); cursor: ew-resize; }
.handle-w { left: -7px; top: calc(50% - 6px); cursor: ew-resize; }
.handle-nw { left: -7px; top: -7px; cursor: nwse-resize; }
.handle-se { right: -7px; bottom: -7px; cursor: nwse-resize; }
.handle-ne { right: -7px; top: -7px; cursor: nesw-resize; }
.handle-sw { left: -7px; bottom: -7px; cursor: nesw-resize; }

#mock-workbook {
  border-top: 3px solid var(--teal);
  background: #f4f7f6;
  padding: 8px 12px 12px;
  max-height: 190px;
  overflow: auto;
}

.mock-title {
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 6px;
}

#mock-grid td.selected, #mock-grid th.selected {
  outline: 2px solid #b45309;
  outline-offset: -2px;
}

#ds-harness-dialog {
  position: fixed;
  top: 12px;
  right: 12px;
  width: min(740px, 56vw);
  height: calc(100% - 210px);
  border: 0;
  background: white;
  z-index: 40;
  box-shadow: 0 18px 50px rgba(28, 36, 34, 0.28);
  border-radius: 12px;
}

html[data-harness] body {
  display: flex;
  flex-direction: column;
}

html[data-harness] #app {
  flex: 1;
  min-height: 0;
}

@media (max-width: 860px) {
  header { align-items: flex-start; flex-direction: column; }
  .workspace { grid-template-columns: 1fr; }
  aside { border-left: 0; border-top: 1px solid var(--line); }
  #viewer-scroll { max-height: 52vh; }
  #ds-harness-dialog { width: calc(100% - 24px); height: 70vh; }
}

@media (max-width: 420px) {
  header { padding: 8px 10px; gap: 8px; }
  .brand p { display: none; }
  .brand h1 { font-size: 16px; }
  .toolbar { width: 100%; }
  .toolbar button { padding: 6px 8px; font-size: 12px; }
  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(140px, 220px) minmax(0, 1fr);
  }
  aside { padding: 8px 10px; }
  aside h2:first-of-type { margin-top: 0; }
  #viewer-scroll { max-height: none; padding: 6px; }
  .viewer-bar { flex-wrap: wrap; gap: 6px; padding: 6px 8px; }
  #open-viewer { flex: 1 0 100%; }
  #doc-list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  #doc-list li { flex: 0 0 auto; }
  .doc-button {
    width: auto;
    max-width: 148px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 12px;
    background: white;
  }
  #doc-list li.active .doc-button {
    border-color: var(--teal);
    background: #e7f3f2;
  }
}