:root {
  color-scheme: light;
  --page: #fff7ed;
  --panel: #ffffff;
  --panel-soft: #fffaf0;
  --border: #d8c3a5;
  --text: #111827;
  --muted: #64748b;
  --accent: #9f1239;
  --accent-soft: #fee2e2;
  --shadow: 0 14px 34px rgba(76, 56, 28, 0.13);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100vh;
  background: var(--page);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.viewer-pending #toolbar,
body.viewer-pending #main,
body.viewer-locked #toolbar,
body.viewer-locked #main {
  visibility: hidden;
  pointer-events: none;
}

#toolbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px 10px;
  background: rgba(255, 250, 240, 0.96);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

#toolbar input,
#toolbar select,
#toolbar button {
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  padding: 0 10px;
  font: inherit;
  font-size: 14px;
  text-decoration: none;
}

#toolbar button {
  cursor: pointer;
  font-weight: 600;
}

#toolbar button.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

#toolbar button:hover,
#toolbar select:hover,
#toolbar input:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

#toolbar button.is-active:hover {
  background: #881337;
  color: #ffffff;
}

#adminMenu {
  position: static;
  order: 2;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto;
  align-items: end;
  flex: 1 0 100%;
  gap: 10px;
  width: 100%;
  padding: 10px;
  background: rgba(255, 253, 248, 0.98);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: none;
}

#adminMenu label {
  display: grid;
  gap: 5px;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

#adminMenu select,
#adminMenu input {
  width: 100%;
}

.admin-actions {
  display: grid;
  grid-template-columns: repeat(6, minmax(84px, 1fr));
  gap: 8px;
}

.admin-status {
  grid-column: 1 / -1;
  min-height: 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.password-dialog {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(17, 24, 39, 0.38);
  backdrop-filter: blur(3px);
}

.password-card {
  width: min(420px, calc(100vw - 48px));
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fffdf8;
  box-shadow: var(--shadow);
}

.password-card h2 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 20px;
}

.password-card p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.6;
}

.password-card label {
  display: grid;
  gap: 6px;
  color: var(--text);
  font-weight: 700;
}

.password-card input {
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 10px;
  color: var(--text);
  font: inherit;
}

.password-card input:focus {
  outline: 2px solid rgba(159, 18, 57, 0.25);
  border-color: var(--accent);
}

.password-error {
  margin-top: 10px;
  color: var(--accent);
  font-weight: 700;
}

.password-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.password-actions button {
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  padding: 0 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.password-actions button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

#name {
  min-width: 180px;
}

#toggleToolbar {
  min-width: 30px;
}

.search-box {
  display: grid;
  grid-template-columns: auto minmax(180px, 280px) minmax(42px, auto);
  align-items: center;
  gap: 6px;
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

#searchInput {
  width: 100%;
}

#searchCount {
  min-width: 42px;
  color: var(--accent);
  font-size: 12px;
  text-align: right;
}

#searchCount.is-empty {
  color: #b91c1c;
}

#main {
  display: grid;
  grid-template-columns: minmax(360px, 38vw) 1fr;
  height: auto;
  min-height: 0;
  overflow: hidden;
  background: var(--page);
}

#main.source-collapsed {
  grid-template-columns: 1fr;
}

textarea {
  width: 100%;
  height: 100%;
  min-height: 0;
  background: #fffdf8;
  color: #111827;
  border: 0;
  border-right: 1px solid var(--border);
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.55;
  white-space: pre;
  overflow-wrap: normal;
  resize: none;
  outline: none;
}

textarea:focus {
  box-shadow: 3px 0 0 rgba(159, 18, 57, 0.28) inset;
}

.source-search-marker {
  position: fixed;
  z-index: 5;
  pointer-events: none;
  border: 1px solid rgba(245, 158, 11, 0.82);
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.28);
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.72) inset,
    0 0 12px rgba(245, 158, 11, 0.45);
}

#preview {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #fffaf0;
  cursor: grab;
}

#preview[data-annotation-mode="true"] {
  cursor: crosshair;
}

#preview:active {
  cursor: grabbing;
}

#preview[data-annotation-mode="true"]:active {
  cursor: crosshair;
}

#preview svg {
  width: auto;
  height: auto;
  min-width: 100%;
  min-height: 100%;
  padding: 16px;
  position: relative;
  overflow: visible;
  display: block;
  margin: 0;
  transform-origin: 0 0;
}

#preview svg g {
  transform-origin: 0 0;
}

.diagram-scrollbar {
  position: absolute;
  box-sizing: border-box;
  top: 18px;
  right: 12px;
  height: calc(100% - 36px);
  z-index: 9;
  width: 24px;
  padding: 4px;
  border: 1px solid rgba(216, 195, 165, 0.86);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.92), rgba(255, 247, 237, 0.74)),
    rgba(255, 250, 240, 0.82);
  box-shadow:
    0 10px 24px rgba(76, 56, 28, 0.16),
    0 0 0 1px rgba(255, 255, 255, 0.72) inset;
  cursor: pointer;
  touch-action: none;
}

.diagram-scrollbar-thumb {
  box-sizing: border-box;
  width: 100%;
  min-height: 72px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, #be123c, #7f1d1d),
    var(--accent);
  box-shadow:
    0 5px 14px rgba(159, 18, 57, 0.28),
    0 0 0 2px rgba(255, 246, 223, 0.72) inset;
  transition:
    background 120ms ease,
    box-shadow 120ms ease,
    transform 40ms linear;
}

.diagram-scrollbar:hover .diagram-scrollbar-thumb,
.diagram-scrollbar.is-dragging .diagram-scrollbar-thumb {
  background:
    linear-gradient(180deg, #e11d48, #9f1239),
    var(--accent);
  box-shadow:
    0 7px 18px rgba(159, 18, 57, 0.36),
    0 0 0 2px rgba(255, 246, 223, 0.9) inset;
}

.diagram-scrollbar.is-disabled {
  opacity: 0;
  pointer-events: none;
}

#srcPanel {
  z-index: 1;
}

#srcPanel.collapsed {
  display: none;
}

svg .node rect,
svg .node polygon,
svg .node path {
  transition: fill 120ms ease, filter 120ms ease;
}

svg .node:hover rect,
svg .node:hover polygon,
svg .node:hover path {
  fill: rgba(159, 18, 57, 0.12);
  filter: drop-shadow(0 0 10px rgba(159, 18, 57, 0.28));
}

svg g.node.selected-node rect,
svg g.node.selected-node polygon,
svg g.node.selected-node path {
  fill: rgba(159, 18, 57, 0.16);
  stroke: var(--accent);
  stroke-width: 2px;
  filter: drop-shadow(0 0 13px rgba(159, 18, 57, 0.35));
  transition: fill 120ms ease, filter 120ms ease;
}

svg .search-match {
  paint-order: stroke;
  stroke: #fff7ed !important;
  stroke-width: 4px !important;
  font-weight: 800 !important;
}

svg .search-active {
  paint-order: stroke;
  stroke: #f59e0b !important;
  stroke-width: 8px !important;
  font-weight: 900 !important;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.55));
}

svg foreignObject .search-match {
  border-radius: 3px;
  background: rgba(253, 230, 138, 0.75);
  outline: 2px solid rgba(245, 158, 11, 0.4);
}

svg foreignObject .search-active {
  background: #fef08a;
  outline: 3px solid #f59e0b;
}

.annotation-layer {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  overflow: visible;
}

.annotation-layer.is-editing {
  pointer-events: auto;
}

.annotation-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  box-sizing: border-box;
  min-width: 42px;
  min-height: 28px;
  padding: 8px 10px;
  border: 2px solid rgba(159, 18, 57, 0.84);
  border-radius: 6px;
  background: rgba(255, 247, 237, 0.86);
  color: #111827;
  box-shadow: 0 10px 22px rgba(76, 56, 28, 0.2);
  font-size: 13px;
  line-height: 1.45;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-word;
}

.annotation-layer.is-editing .annotation-card {
  cursor: move;
}

.annotation-card.is-selected {
  border-color: #f59e0b;
  background: rgba(254, 243, 199, 0.96);
  box-shadow:
    0 0 0 3px rgba(245, 158, 11, 0.32),
    0 12px 26px rgba(76, 56, 28, 0.22);
}

.annotation-draft {
  border-style: dashed;
  background: rgba(245, 158, 11, 0.14);
}

.annotation-text {
  width: 100%;
  padding-right: 10px;
}

.annotation-resize-handle {
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 14px;
  height: 14px;
  border-right: 3px solid rgba(159, 18, 57, 0.78);
  border-bottom: 3px solid rgba(159, 18, 57, 0.78);
  border-radius: 2px;
  cursor: nwse-resize;
  opacity: 0;
}

.annotation-layer.is-editing .annotation-resize-handle,
.annotation-card.is-selected .annotation-resize-handle {
  opacity: 1;
}

.annotation-editor {
  width: 100%;
  height: 100%;
  min-height: 0;
  align-self: stretch;
  flex: 1 1 auto;
  box-sizing: border-box;
  padding: 4px 18px 4px 4px;
  border: 0;
  border-right: 0;
  background: rgba(255, 253, 248, 0.94);
  box-shadow: none;
  color: #111827;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  overflow: auto;
  resize: none;
}

.annotation-editor:focus {
  box-shadow: none;
}

.annotation-editor-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 6px;
  padding-right: 16px;
}

.annotation-editor-actions button {
  width: auto;
  min-height: 24px;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  line-height: 1.2;
}

.annotation-editor-save {
  border-color: #9f1239;
  background: #9f1239;
  color: #fff6df;
}

.annotation-editor-cancel {
  background: rgba(255, 253, 248, 0.92);
  color: #111827;
}