/* Shared iTAB navigation + dual-panel styles */
.itab-panel {
  background: var(--panel-bg);
  border: var(--panel-border);
  border-radius: var(--panel-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: "DM Sans", system-ui, sans-serif;
}

.itab-panel-header {
  padding: 12px 16px;
  border-bottom: var(--panel-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.itab-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.itab-panel-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.itab-badge {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.itab-badge-upload {
  background: var(--blue-light);
  color: var(--blue-text);
}

.itab-badge-posted {
  background: var(--green-light);
  color: var(--green-text);
}

.itab-nav-bar,
.itab-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
}

.itab-nav-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 0.5px solid var(--panel-border-mid);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 0.1s ease;
}

.itab-nav-btn:hover,
.itab-zoom-btn:hover,
.itab-tool-btn:hover {
  background: var(--panel-surface);
}

.itab-nav-page {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 0 8px;
  white-space: nowrap;
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.itab-nav-spacer {
  flex: 1;
}

.itab-zoom-btn,
.itab-tool-btn,
.itab-mode-select {
  height: 30px;
  border-radius: 8px;
  border: 0.5px solid var(--panel-border-mid);
  font-size: 12px;
}

.itab-zoom-btn,
.itab-tool-btn {
  padding: 0 12px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  font-family: "DM Sans", system-ui, sans-serif;
}

.itab-tool-btn.active-blue {
  background: var(--blue-light);
  border-color: var(--blue-mid);
  color: var(--blue-text);
}

.itab-tool-btn.active-green {
  background: var(--green-light);
  border-color: var(--green-mid);
  color: var(--green-text);
}

.itab-mode-select {
  padding: 0 8px;
  background: var(--panel-bg);
  color: var(--text-primary);
  cursor: pointer;
  font-family: "DM Sans", system-ui, sans-serif;
}

.itab-panel-body {
  flex: 1;
  background: var(--panel-surface);
  position: relative;
  min-height: 340px;
  overflow: hidden;
}

.itab-panel .handwriting-viewer-scroll,
.itab-panel .handwriting-sheet-viewer-scroll {
  margin-top: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  height: 100%;
  max-height: none;
}

.itab-status-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 5px;
}

.itab-status-bar.blue {
  background: var(--blue-light);
}

.itab-status-bar.green {
  background: var(--green-light);
}

.itab-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.itab-status-bar.blue .itab-status-dot {
  background: var(--blue-strong);
}

.itab-status-bar.green .itab-status-dot {
  background: var(--green-strong);
}

.itab-status-bar.blue span,
.itab-status-bar.green span {
  font-size: 11px;
}

.itab-status-bar.blue span {
  color: var(--blue-text);
}

.itab-status-bar.green span {
  color: var(--green-text);
}

.itab-status-debug {
  margin-left: auto;
  opacity: 0.82;
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.itab-panel-footer {
  padding: 10px 16px;
  border-top: var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.itab-footer-hint {
  font-size: 11px;
  color: var(--text-hint);
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.itab-page-dots {
  display: flex;
  gap: 5px;
  align-items: center;
}

.itab-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--panel-border-mid);
  transition: all 0.2s ease;
}

.itab-dot.active-blue {
  width: 18px;
  border-radius: 4px;
  background: var(--blue-strong);
}

.itab-dot.active-green {
  width: 18px;
  border-radius: 4px;
  background: var(--green-strong);
}

.itab-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}