@font-face {
  font-family: "JetBrainsMono Nerd Font";
  src: url("https://cdn.jsdelivr.net/gh/ryanoasis/nerd-fonts@v3.2.1/patched-fonts/JetBrainsMono/Ligatures/Regular/JetBrainsMonoNerdFont-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrainsMono Nerd Font";
  src: url("https://cdn.jsdelivr.net/gh/ryanoasis/nerd-fonts@v3.2.1/patched-fonts/JetBrainsMono/Ligatures/Bold/JetBrainsMonoNerdFont-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-root: #0d1117;
  --bg-pane: #161b22;
  --bg-header: #1c2128;
  --bg-hover: #21262d;
  --bg-active: #1f6feb33;
  --border-color: #30363d;
  --text-main: #e6edf3;
  --text-muted: #8b949e;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-amber: #d29922;
  --accent-red: #f85149;
  --accent-purple: #bc8cff;
  --font-mono: "JetBrainsMono Nerd Font", "JetBrains Mono", "D2Coding", Consolas, "Noto Color Emoji", monospace;
  --font-sans: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Noto Serif KR", Georgia, serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100dvh;
  background: var(--bg-root);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 13px;
  overflow: hidden;
}

/* Stealth / Boss Mode (Looks like plain DevOps log terminal) */
body.stealth-mode {
  --font-sans: var(--font-mono);
  --font-serif: var(--font-mono);
}

body.stealth-mode .brand-title::after {
  content: " [k8s-audit-log]";
  color: var(--text-muted);
  font-weight: 400;
}

body.stealth-mode .viewer-body .md-view {
  font-family: var(--font-mono) !important;
  font-size: 12.5px !important;
  max-width: 100% !important;
}

/* Topbar */
.topbar {
  height: 44px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  gap: 8px;
  user-select: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: nowrap;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-amber);
  box-shadow: 0 0 6px var(--accent-amber);
  flex-shrink: 0;
}

.status-dot.connected {
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.status-dot.disconnected {
  background: var(--accent-red);
  box-shadow: 0 0 6px var(--accent-red);
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--text-main);
  white-space: nowrap;
}

.workspace-badge {
  background: #21262d;
  border: 1px solid var(--border-color);
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.project-selector-group {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 4px;
}

.project-label {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.project-select {
  background: #0d1117;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 12px;
  font-family: var(--font-sans);
  max-width: 190px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.btn-primary {
  background: #238636;
  color: #ffffff;
  border: 1px solid #2ea043;
  border-radius: 5px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary:hover {
  background: #2ea043;
}

.btn-secondary, .btn-mini {
  background: #21262d;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
  white-space: nowrap;
}

.btn-mini {
  padding: 3px 8px;
  font-size: 11px;
}

.btn-accent {
  border-color: #1f6feb;
  color: var(--accent-blue);
}

.btn-secondary:hover, .btn-mini:hover {
  background: #30363d;
  border-color: var(--text-muted);
}

.btn-danger-mini {
  background: #3d1c20;
  color: var(--accent-red);
  border: 1px solid #6e282e;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
}

/* Main 3-Pane Grid */
.workspace-grid {
  --left-width: 260px;
  --right-width: 430px;
  display: grid;
  grid-template-columns: var(--left-width) 5px 1fr 5px var(--right-width);
  height: calc(100dvh - 44px);
  width: 100vw;
  background: var(--bg-root);
}

.pane {
  background: var(--bg-pane);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.pane-center-col {
  display: flex;
  flex-direction: column;
  background: var(--bg-root);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.splitter {
  background: var(--border-color);
  transition: background 0.12s ease;
  z-index: 20;
  user-select: none;
}

.splitter:hover, .splitter.dragging {
  background: var(--accent-blue);
}

.splitter-v {
  cursor: col-resize;
  width: 5px;
}

.pane-header {
  height: 36px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  flex-shrink: 0;
  gap: 6px;
}

.pane-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.pane-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pane-controls {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

.badge-count {
  font-size: 11px;
  color: var(--accent-amber);
  font-family: var(--font-mono);
}

/* Explorer Quick Nav & Tree */
.tree-filter-box {
  padding: 8px;
  border-bottom: 1px solid var(--border-color);
}

.tree-filter-input {
  width: 100%;
  background: var(--bg-root);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  padding: 5px 8px;
  font-size: 12px;
  outline: none;
}

.tree-filter-input:focus {
  border-color: var(--accent-blue);
}

.quick-nav-bar {
  display: flex;
  gap: 6px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.chip-btn {
  background: #1f2937;
  color: #93c5fd;
  border: 1px solid #374151;
  border-radius: 12px;
  padding: 3px 9px;
  font-size: 11px;
  cursor: pointer;
}

.chip-btn:hover {
  background: #1e3a8a;
  color: #ffffff;
}

.tree-container {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.tree-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  cursor: pointer;
  color: var(--text-main);
  border-left: 2px solid transparent;
}

.tree-row:hover {
  background: var(--bg-hover);
}

.tree-row.selected {
  background: var(--bg-active);
  border-left-color: var(--accent-blue);
}

.tree-label-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex: 1;
}

.tree-icon {
  color: var(--text-muted);
  width: 14px;
  display: inline-block;
  text-align: center;
  flex-shrink: 0;
}

.tree-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-name.is-dir {
  font-weight: 700;
  color: #79c0ff;
}

.tree-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.badge-mod {
  background: #d2992233;
  color: var(--accent-amber);
  border: 1px solid var(--accent-amber);
  font-size: 9px;
  padding: 0 4px;
  border-radius: 3px;
}

.btn-inject {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  cursor: pointer;
}

.btn-inject:hover {
  background: var(--accent-blue);
  color: #0d1117;
  border-color: var(--accent-blue);
}

/* Center Reader & Editor Mode Switcher */
.mode-switch-group {
  display: inline-flex;
  background: #0d1117;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  overflow: hidden;
}

.btn-mode {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 3px 9px;
  font-size: 11px;
  cursor: pointer;
}

.btn-mode.active {
  background: #1f6feb;
  color: #ffffff;
  font-weight: 600;
}

.live-pill {
  background: #23863633;
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}

.dirty-pill {
  background: #d2992233;
  color: var(--accent-amber);
  border: 1px solid var(--accent-amber);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}

/* Webnovel Metrics Gauge Bar */
.novel-metrics-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 14px;
  background: #12171e;
  border-bottom: 1px solid var(--border-color);
  font-size: 11.5px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.metric-label {
  color: var(--text-muted);
}

.metric-val {
  color: var(--text-main);
  font-family: var(--font-mono);
}

.metric-gauge-wrap {
  flex: 1;
  min-width: 140px;
  max-width: 260px;
}

.metric-gauge-track {
  flex: 1;
  height: 7px;
  background: #21262d;
  border-radius: 4px;
  overflow: hidden;
}

.metric-gauge-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3fb950, #58a6ff);
  transition: width 0.2s ease;
}

.metric-pct {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-green);
}

/* Center Work Area (Reader / Editor / Split) */
.center-work-area {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-pane);
}

.center-work-area[data-view-mode="reader"] .editor-pane {
  display: none !important;
}

.center-work-area[data-view-mode="editor"] .viewer-body {
  display: none !important;
}

.center-work-area[data-view-mode="split"] .editor-pane,
.center-work-area[data-view-mode="split"] .viewer-body {
  display: flex !important;
  flex: 1 1 50%;
}

.center-work-area[data-view-mode="split"] .editor-pane {
  border-right: 1px solid var(--border-color);
}

.editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.manuscript-editor {
  flex: 1;
  width: 100%;
  background: #0b0f14;
  color: #e6edf3;
  border: none;
  padding: 22px 26px;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.85;
  resize: none;
  outline: none;
}

.viewer-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  background: var(--bg-pane);
}

.viewer-body.serif-mode .md-view,
.manuscript-editor.serif-mode {
  font-family: var(--font-serif);
}

/* Rendered Novel & Markdown Styling */
.md-view {
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.85;
  font-size: 15.5px;
  color: #e6edf3;
  word-break: keep-all;
}

.md-view h1, .md-view h2, .md-view h3 {
  margin-top: 20px;
  margin-bottom: 10px;
  color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
  line-height: 1.35;
}

.md-view h1 { font-size: 20px; }
.md-view h2 { font-size: 17px; }
.md-view h3 { font-size: 15px; border-bottom: none; color: #79c0ff; }

.md-view p {
  margin-bottom: 14px;
}

.md-view p.novel-dialogue {
  color: #f0f6fc;
  padding-left: 2px;
}

.md-view ul {
  margin: 8px 0 14px 22px;
}

.md-view li {
  margin-bottom: 5px;
}

.md-view blockquote {
  border-left: 3px solid var(--accent-blue);
  background: #1c2128;
  padding: 8px 14px;
  color: #c9d1d9;
  margin: 10px 0;
  border-radius: 0 4px 4px 0;
}

.md-view code {
  background: #21262d;
  padding: 2px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #79c0ff;
}

.md-view pre {
  background: #0d1117;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
  overflow-x: auto;
  margin-bottom: 14px;
}

/* Markdown Tables (For S#1 ~ S#5 Scene Beat Sheets) */
.md-table-wrap {
  overflow-x: auto;
  margin: 12px 0 18px 0;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.md-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.5;
}

.md-table th,
.md-table td {
  border: 1px solid var(--border-color);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.md-table th {
  background: #1c2128;
  color: #79c0ff;
  font-weight: 700;
}

.md-table tr:nth-child(even) td {
  background: #13181f;
}

/* Collapsible Terminal Drawer */
.terminal-drawer {
  height: 240px;
  border-top: 2px solid var(--accent-blue);
  display: flex;
  flex-direction: column;
  background: #090d12;
  flex-shrink: 0;
}

.terminals-stack {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.pane-terminal {
  flex: 1 1 0;
  min-height: 32px;
  display: flex;
  flex-direction: column;
}

.terminal-mount {
  flex: 1;
  background: #090d12;
  padding: 2px 4px;
  overflow: hidden;
  position: relative;
}

/* Right Pane: Antigravity Sub-Brain Panel */
.pane-agent {
  background: #12161c;
}

.pane-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
}

.pane-indicator.busy {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
}

.agent-conv-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  background: #21262d;
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 4px;
}

.skills-bar {
  display: flex;
  gap: 5px;
  padding: 8px 10px;
  background: #161b22;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  flex-shrink: 0;
}

.skill-chip {
  background: #1f242d;
  color: #d2a8ff;
  border: 1px solid #3b3054;
  border-radius: 14px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.12s ease;
}

.skill-chip:hover {
  background: #3b3054;
  color: #ffffff;
  border-color: var(--accent-purple);
}

.agent-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.agent-empty-guide {
  background: #161b22;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  padding: 16px;
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 12.5px;
}

.chat-card {
  border-radius: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-card.user {
  background: #182332;
  border-color: #1f6feb66;
  align-self: flex-end;
  width: 92%;
}

.chat-card.assistant {
  background: #161b22;
  border-color: var(--border-color);
  width: 100%;
}

.chat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.chat-role-badge {
  font-weight: 700;
  color: var(--accent-blue);
}

.chat-card.assistant .chat-role-badge {
  color: var(--accent-purple);
}

.chat-attachments-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.chat-attach-pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  background: #0d1117;
  color: #79c0ff;
  border: 1px solid #30363d;
  border-radius: 4px;
  padding: 1px 6px;
  cursor: pointer;
}

/* Tool Execution Badges inside Assistant Turn */
.tool-calls-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  background: #0d1117;
  border: 1px solid #282e37;
  border-radius: 5px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
}

.tool-badge:hover {
  border-color: var(--accent-blue);
  color: var(--text-main);
}

.tool-badge-left {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-status-tag {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

.tool-status-tag.active {
  background: #d2992233;
  color: var(--accent-amber);
}

.tool-status-tag.done {
  background: #23863633;
  color: var(--accent-green);
}

.chat-body .md-view {
  font-size: 13.5px;
  line-height: 1.68;
  max-width: 100%;
}

/* Agent Input & Attachments */
.agent-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 6px 10px;
  background: #161b22;
  border-top: 1px solid var(--border-color);
}

.attach-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #1f2937;
  color: #93c5fd;
  border: 1px solid #374151;
  border-radius: 4px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.attach-chip-remove {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 700;
}

.agent-input-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  background: var(--bg-header);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

.agent-prompt-input {
  width: 100%;
  background: var(--bg-root);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  resize: none;
  outline: none;
}

.agent-prompt-input:focus {
  border-color: var(--accent-blue);
}

.agent-input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.auto-attach-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--text-muted);
  cursor: pointer;
}

/* Modals & Virtual Keypad */
.login-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(1, 4, 9, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-backdrop[hidden] {
  display: none !important;
}

.login-card, .picker-card {
  background: var(--bg-pane);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 22px;
  width: 390px;
  max-width: 94vw;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.picker-card {
  width: 500px;
}

.picker-header, .login-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.login-title {
  font-size: 16px;
  color: var(--text-main);
}

.login-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.login-input {
  background: var(--bg-root);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
}

.picker-path-bar {
  display: flex;
  gap: 6px;
}

.picker-path-input {
  flex: 1;
}

.picker-dir-list {
  height: 220px;
  overflow-y: auto;
  background: var(--bg-root);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.picker-dir-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  cursor: pointer;
}

.picker-dir-row:hover {
  background: var(--bg-hover);
}

.picker-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.login-step {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-step[hidden] {
  display: none !important;
}

.step-pill {
  background: #1f6feb33;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
}

.vkbd-display-row {
  display: flex;
  gap: 6px;
}

.vkbd-display {
  flex: 1;
  text-align: center;
  letter-spacing: 5px;
  font-weight: 700;
}

.vkbd-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.vkbd-key {
  background: #21262d;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  height: 44px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.vkbd-actions {
  display: flex;
  gap: 8px;
}

.vkbd-submit {
  flex: 1;
}

.login-error {
  font-size: 12px;
  color: var(--accent-red);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 56px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 900;
}

.toast {
  background: #1f6feb;
  color: #ffffff;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
}

/* Mobile Bottom Nav (Hidden on Desktop) */
.mobile-bottom-nav {
  display: none;
}

@media (max-width: 960px) {
  .topbar {
    height: auto;
    min-height: 44px;
    flex-wrap: wrap;
    padding: 6px 10px;
  }

  .topbar-actions {
    width: 100%;
    justify-content: flex-end;
    overflow-x: auto;
  }

  .splitter-v {
    display: none !important;
  }

  .workspace-grid {
    display: flex;
    flex-direction: column;
    height: calc(100dvh - 82px - 48px);
  }

  .workspace-grid > .pane {
    display: none;
    flex: 1;
    width: 100%;
    height: 100%;
  }

  .workspace-grid[data-mobile-tab="left"] > #pane-left {
    display: flex;
  }

  .workspace-grid[data-mobile-tab="center"] > #pane-center {
    display: flex;
  }

  .workspace-grid[data-mobile-tab="right"] > #pane-right {
    display: flex;
  }

  .viewer-body {
    padding: 16px 16px;
  }

  .manuscript-editor {
    padding: 16px;
  }

  .mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: var(--bg-header);
    border-top: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    z-index: 500;
  }

  .mobile-nav-btn {
    background: transparent;
    color: var(--text-muted);
    border: none;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
  }

  .mobile-nav-btn.active {
    color: var(--accent-blue);
    background: #1f6feb22;
    border-top: 2px solid var(--accent-blue);
  }
}