:root {
  --bg: #f3f2ed;
  --surface: #fbfaf7;
  --ink: #151714;
  --muted: #777a72;
  --line: #d8d7d0;
  --accent: #186f4b;
  --error: #a63b39;
  --shadow: 0 14px 42px rgba(22, 24, 20, .07);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Manrope, sans-serif;
  overflow: hidden;
}
button, select { font: inherit; }

.topbar {
  height: 60px;
  padding: 0 2.5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  text-decoration: none;
}
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand > span { display: flex; flex-direction: column; line-height: 1.1; }
.brand strong { font-size: 14px; font-weight: 700; letter-spacing: -.01em; }
.brand small {
  margin-top: 4px;
  color: var(--muted);
  font: 400 8px "DM Mono", monospace;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.service-status, .run-status {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.status-dot, .run-status > span {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #b7a95c;
}
.service-status.ok .status-dot, .run-status.ok > span {
  background: #2eaa72;
  box-shadow: 0 0 0 4px rgba(46, 170, 114, .1);
}
.service-status.error .status-dot, .run-status.error > span { background: var(--error); }

main {
  width: min(1700px, 96vw);
  height: calc(100dvh - 60px);
  margin: 0 auto;
  padding: 14px 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.workspace {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.panel {
  min-width: 0;
  min-height: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
  background: var(--surface);
}
.panel-header {
  height: 44px;
  flex: 0 0 auto;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.step {
  margin: 0 0 4px;
  color: var(--accent);
  font: 500 9px/1.2 "DM Mono", monospace;
  letter-spacing: .1em;
}
.panel h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -.02em; }
.text-button, .icon-button {
  padding: 7px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
  cursor: pointer;
}
.text-button:hover, .icon-button:hover:not(:disabled) { color: var(--ink); }
.icon-button:disabled { opacity: .35; cursor: default; }

.dropzone {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: auto;
  border: 1px dashed #b9bbb3;
  background: #f6f5f1;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.dropzone:hover, .dropzone.dragging { border-color: var(--accent); background: #f1f5f0; }
.empty-state { display: flex; flex-direction: column; align-items: center; text-align: center; }
.empty-state svg {
  width: 28px;
  margin-bottom: 14px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.3;
}
.empty-state strong { margin-bottom: 7px; font-size: 13px; font-weight: 600; }
.empty-state span { color: var(--muted); font-size: 10px; }
#image-preview { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.preview-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 10px;
}
.preview-loading span {
  width: 24px;
  height: 24px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.pdf-pages {
  align-self: stretch;
  width: 100%;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  align-content: start;
  cursor: default;
}
.page-card {
  position: relative;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: .15s;
}
.page-card:hover { border-color: #8c9188; }
.page-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.page-card img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: contain; background: #eeede8; }
.page-card span {
  color: var(--muted);
  font: 500 8px "DM Mono", monospace;
  text-transform: uppercase;
}
.page-card input { accent-color: var(--accent); vertical-align: middle; }
.page-tools {
  min-height: 34px;
  flex: 0 0 auto;
  padding: 5px 7px 5px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-top: 0;
  color: var(--muted);
  font: 500 8px "DM Mono", monospace;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.page-tools button {
  padding: 5px 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 8px;
  text-transform: uppercase;
  cursor: pointer;
}
.page-tools button:hover { color: var(--accent); }
.page-tools > div, .batch-control { display: flex; align-items: center; }
.page-tools > div { gap: 3px; }
.batch-control { gap: 5px; margin-right: 5px; }
.batch-stepper { display: inline-flex; height: 24px; border: 1px solid var(--line); background: var(--surface); }
.batch-stepper input {
  height: 24px;
  width: 38px;
  padding: 0 4px;
  border: 0;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  font: 500 9px "DM Mono", monospace;
  text-align: center;
  appearance: textfield;
}
.batch-stepper input::-webkit-inner-spin-button, .batch-stepper input::-webkit-outer-spin-button { margin: 0; appearance: none; }
.page-tools .batch-stepper button {
  width: 24px;
  height: 22px;
  padding: 0;
  color: var(--ink);
  font: 500 13px "DM Mono", monospace;
}
.batch-stepper input:focus { outline: 1px solid var(--accent); outline-offset: -1px; }
.batch-stepper input:disabled, .page-tools .batch-stepper button:disabled { color: var(--muted); opacity: .45; cursor: default; }
.file-meta {
  height: 42px;
  flex: 0 0 auto;
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.file-meta > div { display: flex; align-items: center; gap: 9px; min-width: 0; }
.file-meta > div > div { display: flex; flex-direction: column; min-width: 0; }
.file-meta strong {
  max-width: 330px;
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-meta span:not(.file-icon) { margin-top: 2px; color: var(--muted); font-size: 8px; }
.file-icon { padding: 6px 4px; border: 1px solid var(--line); font: 500 8px "DM Mono", monospace; }
#remove-button { border: 0; background: transparent; color: var(--muted); font-size: 20px; cursor: pointer; }

.result-actions { display: flex; gap: 2px; }
.result-toolbar {
  height: 36px;
  flex: 0 0 auto;
  padding: 3px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: #f4f3ee;
}
.view-tabs { display: flex; height: 100%; gap: 2px; }
.view-tabs button {
  padding: 0 13px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 500 8px "DM Mono", monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
}
.view-tabs button.active { background: var(--ink); color: #fff; }
.toolbar-end, .zoom-controls { display: flex; align-items: center; }
.toolbar-end { gap: 10px; height: 100%; }
.zoom-controls { height: 26px; border: 1px solid var(--line); background: var(--surface); }
.zoom-controls button {
  min-width: 27px;
  height: 24px;
  padding: 0 7px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: 500 11px "DM Mono", monospace;
  cursor: pointer;
}
.zoom-controls button:nth-child(2) { min-width: 49px; font-size: 8px; }
.zoom-controls button:last-child { border-right: 0; }
.zoom-controls button:hover:not(:disabled) { background: #e8ebe5; color: var(--accent); }
.zoom-controls button:disabled { color: #b8bab4; cursor: default; }
.page-navigator {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font: 500 8px "DM Mono", monospace;
  text-transform: uppercase;
}
.page-navigator select {
  height: 26px;
  min-width: 46px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font: 500 9px "DM Mono", monospace;
}

.output-shell {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  background: #111411;
  color: #dce6dc;
}
.output-empty, .processing {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #7f897f;
  font-size: 11px;
}
.output-glyph { color: #576257; font: 400 26px "DM Mono", monospace; }
.output-empty p { margin: 10px 0; }
.processing { overflow: hidden; }
.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: #77d6a6;
  box-shadow: 0 0 22px #77d6a6;
  animation: scan 1.8s ease-in-out infinite;
}
@keyframes scan { 0% { top: 5%; opacity: .2; } 50% { opacity: 1; } 100% { top: 95%; opacity: .2; } }

.markdown-preview {
  width: 100%;
  height: 100%;
  padding: 25px 32px 42px;
  overflow: auto;
  background: #fff;
  color: #252824;
  font-size: 12px;
  line-height: 1.7;
}
.markdown-preview > :first-child { margin-top: 0; }
.markdown-preview h1, .markdown-preview h2, .markdown-preview h3 {
  margin: 1.25em 0 .5em;
  line-height: 1.25;
  letter-spacing: -.025em;
}
.markdown-preview h1 { font-size: 23px; }
.markdown-preview h2 { padding-bottom: 7px; border-bottom: 1px solid #e3e3de; font-size: 18px; }
.markdown-preview h3 { font-size: 15px; }
.markdown-preview p { margin: .7em 0; }
.markdown-preview pre { white-space: pre-wrap; overflow-wrap: anywhere; font: 400 10px/1.7 "DM Mono", monospace; }
.markdown-preview code { padding: 2px 4px; background: #f0f1ed; font-family: "DM Mono", monospace; font-size: .9em; }
.markdown-preview pre code { display: block; padding: 12px; }
.markdown-preview table { width: 100%; margin: 16px 0; border-collapse: collapse; font-size: 11px; }
.markdown-preview th, .markdown-preview td { padding: 7px 9px; border: 1px solid #dfe0db; text-align: left; }
.markdown-preview th { background: #f1f3ef; }
.markdown-preview blockquote { margin: 16px 0; padding: 2px 16px; border-left: 3px solid var(--accent); color: #62675f; }
.markdown-preview img { max-width: 100%; }

.raw-markdown {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 25px 32px 42px;
  overflow: auto;
  border: 0;
  background: #fff;
  color: #252824;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 400 11px/1.7 "DM Mono", monospace;
}

.layout-preview {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  display: flex;
  flex-direction: column;
  background: #252925;
}
.layout-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-color: #5c625c #252925;
}
.layout-canvas {
  position: relative;
  margin: 16px auto;
  box-shadow: 0 9px 30px rgba(0, 0, 0, .3);
}
.layout-canvas img { display: block; width: 100%; height: 100%; }
.layout-canvas svg { position: absolute; inset: 0; display: block; width: 100%; height: 100%; overflow: visible; }
.detection { outline: none; touch-action: none; }
.detection > .bbox-rect { fill: transparent; stroke-width: 2; vector-effect: non-scaling-stroke; cursor: move; }
.detection text {
  font-family: Manrope, sans-serif;
  font-size: 11px;
  font-style: normal;
  font-weight: 400;
  paint-order: stroke;
  stroke: #101310;
  stroke-width: 3px;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}
.detection:hover > .bbox-rect, .detection:focus > .bbox-rect { fill: rgba(255, 255, 255, .12); stroke-width: 3; }
.detection.selected > .bbox-rect { fill: rgba(119, 214, 166, .2); stroke-width: 4; }
.resize-handle {
  display: none;
  fill: #fff;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}
.detection.selected .resize-handle { display: block; }
.resize-nw, .resize-se { cursor: nwse-resize; }
.resize-ne, .resize-sw { cursor: nesw-resize; }
.layout-legend {
  min-height: 28px;
  flex: 0 0 auto;
  padding-top: 9px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px 14px;
  color: #c6cec6;
  font: 400 8px "DM Mono", monospace;
  text-transform: uppercase;
}
.layout-legend span { display: flex; align-items: center; gap: 5px; }
.layout-legend i { width: 7px; height: 7px; border-radius: 50%; }
.layout-legend .layout-hint { color: #fff; }

.element-editor {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 5;
  width: min(380px, calc(48% - 18px));
  max-height: calc(100% - 24px);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid #bfc2b9;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .32);
}
.element-editor.dock-left { right: auto; left: 12px; }
.element-editor-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.element-editor-header > div { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.element-editor-header span {
  color: var(--accent);
  font: 500 8px "DM Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.element-editor-header strong { overflow: hidden; font-size: 12px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
#element-editor-close {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
#element-content-input {
  width: 100%;
  min-height: 150px;
  max-height: min(330px, 45vh);
  padding: 10px 11px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
  font: 400 11px/1.55 Manrope, sans-serif;
}
#element-content-input:focus { border-color: var(--accent); outline: 1px solid var(--accent); }
.bbox-fields {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  border: 0;
}
.bbox-fields legend {
  width: 100%;
  margin-bottom: 6px;
  color: var(--muted);
  font: 500 8px "DM Mono", monospace;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.bbox-fields label { color: var(--muted); font: 500 8px "DM Mono", monospace; }
.bbox-fields input {
  width: 100%;
  height: 30px;
  margin-top: 3px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
  font: 400 10px "DM Mono", monospace;
}
.bbox-fields input:focus { border-color: var(--accent); outline: 1px solid var(--accent); }
.include-control { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 10px; }
.include-control input { accent-color: var(--accent); }
.element-editor-actions { display: flex; justify-content: flex-end; gap: 7px; }
.element-editor-actions button {
  padding: 8px 11px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: 500 9px "DM Mono", monospace;
  text-transform: uppercase;
  cursor: pointer;
}
#element-editor-save { border-color: var(--accent); background: var(--accent); color: #fff; }
.element-editor-actions button:hover { filter: brightness(.94); }

.result-meta {
  flex: 0 0 auto;
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font: 400 8px "DM Mono", monospace;
  letter-spacing: .07em;
}
.control-bar {
  min-height: 58px;
  flex: 0 0 58px;
  padding: 8px 10px 8px 16px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--surface);
}
.run-status p { margin: 0; }
.clear-button, .run-button {
  height: 40px;
  padding: 0 19px;
  border: 1px solid var(--line);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}
.clear-button { background: transparent; color: var(--muted); }
.run-button {
  min-width: 155px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}
.run-button:hover:not(:disabled) { border-color: var(--accent); background: var(--accent); }
.run-button:disabled { opacity: .35; cursor: not-allowed; }

@media (max-width: 1100px) {
  .pdf-pages { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  body { height: auto; min-height: 100%; overflow: auto; }
  main { width: calc(100% - 28px); height: auto; min-height: calc(100dvh - 60px); }
  .workspace { flex: none; grid-template-columns: 1fr; }
  .panel { min-height: 620px; }
  .result-panel { min-height: 680px; }
  .dropzone { min-height: 480px; }
}

@media (max-width: 560px) {
  .topbar { padding: 0 14px; }
  #service-label { max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  main { width: calc(100% - 18px); padding: 9px 0; }
  .panel { min-height: 570px; padding: 12px; }
  .result-panel { min-height: 620px; }
  .dropzone { min-height: 410px; }
  .pdf-pages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .control-bar { grid-template-columns: 1fr auto; }
  .run-status { grid-column: 1 / -1; }
  .run-button { min-width: 135px; }
  .markdown-preview { padding: 20px 17px; }
  .toolbar-end { gap: 5px; }
  .zoom-controls button { min-width: 25px; padding: 0 5px; }
  .zoom-controls button:nth-child(2) { min-width: 42px; }
}