/* ifc_style.css | 20260614T1440 */
/* Shared stylesheet for vw.html and menu.html                          */
/* Theme: dark is default (:root), light activated by body.light class  */

/* ── CSS VARIABLES ──────────────────────────────────────────────────── */
:root {
  /* backgrounds */
  --bg:     #1a2233;
  --bg2:    #1e2840;
  --bg3:    #243050;
  --panel:  #1c2538;
  /* borders & accents */
  --border:  #2e3f5c;
  --border1: #3a4f70;
  --accent:  #4a8fd4;
  --accent1: #5fa0e0;
  --accent2: #3a7bc8;
  /* text */
  --text:       #c8d4e8;
  --text1:      #c8d4e8;
  --text2:      #8a9bb8;
  --text3:      #5a6b88;
  --text-muted: #8090b8;
  /* states */
  --err:    #c04040;
  --warn:   #c8a84a;
  --ok:     #4ac870;
  --hover:  #2a3a58;
  --select: #1e3a5f;
  /* typography */
  --font:      'Consolas', 'Courier New', monospace;
  --app-font:  'Consolas', 'Courier New', monospace;
  --font-size: 12px;
  /* layout */
  --menuH:   28px;
  --resizer: 4px;
}

/* Light theme — applied via body.light */
body.light {
  --bg:     #e8eaed;
  --bg2:    #dddfe3;
  --bg3:    #d2d5da;
  --panel:  #e0e2e6;
  --border:  #b0b5be;
  --border1: #9aa0ad;
  --accent:  #2a6aaf;
  --accent1: #3a7bc8;
  --accent2: #1f5a9f;
  --text:       #1a1e28;
  --text1:      #1a1e28;
  --text2:      #3a4458;
  --text3:      #6a7888;
  --text-muted: #5a6878;
  --err:    #c03030;
  --warn:   #a07820;
  --ok:     #1a7a3a;
  --hover:  #cdd0d5;
  --select: #b8d0ea;
}

/* ── RESET ──────────────────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; user-select: none; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--font-size);
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── MENU BAR ───────────────────────────────────────────────────────── */
#menubar {
  height: var(--menuH);
  min-height: var(--menuH);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1px;
  padding: 0 4px;
  z-index: 1000;
}
.menu-btn {
  height: 22px;
  padding: 0 8px;
  background: var(--bg2);
  border: 1px solid transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: var(--font-size);
  cursor: pointer;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: background 0.1s, border-color 0.1s;
}
.menu-btn:hover  { background: var(--hover); }
.menu-btn.active { background: var(--hover); border-color: var(--border); }
.menu-spacer { flex: 1; }

/* MCP Server button states */
#btn-mcp-server { margin-left: 8px; }
#btn-mcp-server.connected { background: transparent; border-color: #2a9d5c; color: #2a9d5c; }
#btn-mcp-server.error     { background: transparent; border-color: var(--err);  color: var(--err); }

body.light #btn-mcp-server.connected { color: #1a5c30; border-color: #1a5c30; }
body.light #btn-mcp-server.error     { color: var(--err); border-color: var(--err); }

/* ── THEME TOGGLE ───────────────────────────────────────────────────── */
#themeToggle {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-right: 4px;
}
#themeToggle span { font-size: 10px; color: var(--text2); }
.toggle-switch {
  width: 32px; height: 16px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-switch.on { background: var(--accent2); }
.toggle-knob {
  width: 12px; height: 12px;
  background: var(--text2);
  border-radius: 50%;
  position: absolute;
  top: 1px; left: 1px;
  transition: left 0.2s, background 0.2s;
}
.toggle-switch.on .toggle-knob { left: 17px; background: #fff; }

/* ── DROPDOWN MENUS ─────────────────────────────────────────────────── */
.dropdown {
  position: absolute;
  top: var(--menuH);
  background: var(--bg2);
  border: 1px solid var(--border);
  min-width: 160px;
  z-index: 2000;
  display: none;
  box-shadow: 4px 4px 12px rgba(0,0,0,0.4);
}
.dropdown.visible { display: block; }
#dd-pdf { min-width: 180px; }

.dd-item {
  padding: 4px 16px 4px 10px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--text);
  font-size: var(--font-size);
  font-family: var(--font);
}
.dd-item:hover { background: var(--hover); color: var(--accent); }

/* Semantic item modifiers */
.dd-item.dd-danger         { color: var(--err); }
.dd-item.dd-danger:hover   { color: var(--err); }
.dd-item.dd-hint           { color: var(--text3); font-size: 10px; pointer-events: none; }
.dd-item--label            { pointer-events: none; color: var(--text3); font-size: 10px; }
.dd-item--select           { padding: 2px 10px 6px; }
.dd-item--select select {
  width: 100%;
  font-size: 12px;
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 4px;
  font-family: var(--font);
}

.dd-sep { height: 1px; background: var(--border); margin: 2px 0; }
.dd-kbd { color: var(--text3); font-size: 10px; white-space: nowrap; }

/* Hidden file inputs used in dd-files */
.file-input-hidden { display: none; }

/* ── MAIN LAYOUT ────────────────────────────────────────────────────── */
#main { flex: 1; display: flex; overflow: hidden; }

/* ── PANELS ─────────────────────────────────────────────────────────── */
.side-panel {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  position: relative;
}
#rightPanel { border-right: none; border-left: 1px solid var(--border); }

.panel-header {
  height: 22px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 6px;
  gap: 4px;
  font-size: 10px;
  color: var(--text2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.panel-title { flex: 1; }

.close-btn {
  width: 14px; height: 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  cursor: pointer;
  font-size: 9px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 1px;
  line-height: 1;
  font-family: var(--font);
}
.close-btn:hover { background: var(--hover); color: var(--text); border-color: var(--accent); }

.panel-content  { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 4px; }
.panel-hidden   { display: none !important; }

/* ── RESIZERS ───────────────────────────────────────────────────────── */
.resizer {
  width: var(--resizer);
  background: var(--border);
  cursor: col-resize;
  transition: background 0.1s;
  flex-shrink: 0;
}
.resizer:hover, .resizer.dragging { background: var(--accent); }
.resizer-h {
  height: var(--resizer);
  width: 100%;
  cursor: row-resize;
  background: var(--border);
  flex-shrink: 0;
}
.resizer-h:hover, .resizer-h.dragging { background: var(--accent); }

/* ── VIEWPORT ───────────────────────────────────────────────────────── */
#viewportArea { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 100px; }
#viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: default;
  touch-action: none;
}
#viewport canvas   { display: block; }
#viewport.selecting { cursor: crosshair; }

#selBox {
  position: absolute;
  border: 1px solid var(--accent);
  background: rgba(74,143,212,0.08);
  pointer-events: none;
  display: none;
  z-index: 10;
}

/* Viewport overlays */
#viewportLabel {
  position: absolute; top: 4px; left: 6px;
  font-size: 10px; color: var(--text3); pointer-events: none; letter-spacing: 0.05em;
}
#camInfo {
  position: absolute; bottom: 4px; right: 6px;
  font-size: 9px; color: var(--text3); pointer-events: none; text-align: right;
}

/* ── BOTTOM PANEL ───────────────────────────────────────────────────── */
#bottomContainer  { display: flex; flex-direction: column; }
#bottomPanel {
  background: var(--panel);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#bottomPanel .panel-content { font-size: 10px; color: var(--text2); }

/* Console */
#consoleHeader {
  height: 22px; min-height: 22px;
  background: var(--bg2); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 4px; gap: 3px;
  font-size: 10px; color: var(--text2); letter-spacing: 0.04em; flex-shrink: 0;
}
#consoleHeader .panel-title { flex: 1; text-transform: uppercase; font-size: 10px; }

.con-btn {
  height: 16px; padding: 0 6px; background: var(--bg3);
  border: 1px solid var(--border); color: var(--text2);
  font-family: var(--font); font-size: 9px; cursor: pointer;
  border-radius: 1px; letter-spacing: 0.03em;
}
.con-btn:hover  { background: var(--hover); color: var(--text); border-color: var(--accent); }
.con-btn.active { border-color: var(--accent); color: var(--accent); }
.con-sep { width: 1px; height: 14px; background: var(--border); margin: 0 4px; flex-shrink: 0; align-self: center; }

#consoleOutput      { flex: 1; overflow-y: auto; overflow-x: hidden; min-height: 30px; }
#consoleResizeInner { height: 4px; background: var(--border); cursor: ns-resize; flex-shrink: 0; }
#consoleResizeInner:hover { background: var(--accent); }

#consoleInputArea {
  display: flex; flex-direction: column; flex-shrink: 0;
  border-top: 1px solid var(--border); min-height: 52px;
}
#consoleInputHeader {
  height: 18px; background: var(--bg3); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 6px; gap: 4px;
  font-size: 9px; color: var(--text3); letter-spacing: 0.04em; flex-shrink: 0;
}
#consoleInputHeader span { flex: 1; }
#consoleInput {
  flex: 1; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 11px;
  border: none; outline: none; padding: 4px 6px;
  resize: none; min-height: 34px;
}
#consoleInput::placeholder { color: var(--text3); }

/* ── STATUS BAR ─────────────────────────────────────────────────────── */
#statusbar {
  height: 18px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 10px;
  color: var(--text3);
  gap: 16px;
}
.status-item  { display: flex; gap: 4px; }
.status-label { color: var(--text3); }
.status-val   { color: var(--text2); }

/* ── TREE VIEW ──────────────────────────────────────────────────────── */
.tree-item {
  padding: 2px 4px 2px 12px;
  cursor: pointer;
  border-radius: 1px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size);
  color: var(--text);
}
.tree-item:hover    { background: var(--hover); }
.tree-item.selected { background: var(--select); color: var(--accent); }
.tree-icon { color: var(--text3); width: 12px; text-align: center; font-size: 10px; }

/* ── PROPERTIES PANEL ───────────────────────────────────────────────── */
.prop-group  { margin-bottom: 6px; }
.prop-label  { font-size: 9px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; padding: 3px 4px 1px; }
.prop-row    { display: flex; align-items: center; padding: 2px 4px; gap: 4px; }
.prop-name   { flex: 1; color: var(--text2); font-size: var(--font-size); }
.prop-val {
  flex: 1.5;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--font-size);
  padding: 1px 4px;
  border-radius: 1px;
  width: 0;
}
.prop-val:focus { outline: none; border-color: var(--accent); }

/* ── CONTEXT MENU ───────────────────────────────────────────────────── */
#ctxMenu {
  position: fixed;
  background: var(--bg2);
  border: 1px solid var(--border);
  min-width: 160px;
  z-index: 9999;
  display: none;
  box-shadow: 4px 4px 12px rgba(0,0,0,0.5);
}
#ctxMenu.visible { display: block; }
.ctx-item {
  padding: 4px 16px 4px 10px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--text);
  font-size: var(--font-size);
  font-family: var(--font);
}
.ctx-item:hover    { background: var(--hover); color: var(--accent); }
.ctx-sep           { height: 1px; background: var(--border); margin: 2px 0; }
.ctx-disabled      { opacity: 0.4; pointer-events: none; }

/* ── MODAL / OVERLAY ────────────────────────────────────────────────── */
#modalOverlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 5000;
  display: none;
  align-items: center;
  justify-content: center;
}
#modalOverlay.visible { display: flex; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  width: 420px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 8px 8px 24px rgba(0,0,0,0.6);
}
.modal-header {
  height: 28px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 4px;
  font-size: 11px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.modal-title { flex: 1; }
.modal-close {
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--text2); cursor: pointer;
  width: 16px; height: 16px; font-size: 10px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 1px; font-family: var(--font);
}
.modal-close:hover { background: var(--hover); border-color: var(--accent); color: var(--text); }
.modal-body   { flex: 1; overflow-y: auto; padding: 10px; }
.modal-footer {
  height: 34px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 8px; gap: 4px;
  flex-shrink: 0;
}

/* ── BUTTONS ────────────────────────────────────────────────────────── */
.btn {
  padding: 3px 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--font-size);
  cursor: pointer;
  border-radius: 1px;
  transition: background 0.1s;
}
.btn:hover         { background: var(--hover); border-color: var(--accent); }
.btn.primary       { background: var(--accent2); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent); }

/* ── SETTINGS FORM ──────────────────────────────────────────────────── */
.settings-group       { margin-bottom: 12px; }
.settings-group-title {
  font-size: 10px; color: var(--text3); text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 6px;
  padding-bottom: 3px; border-bottom: 1px solid var(--border);
}
.settings-row  { display: flex; align-items: center; margin-bottom: 5px; gap: 8px; }
.settings-label { flex: 1; font-size: var(--font-size); color: var(--text2); }
.settings-input {
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font); font-size: var(--font-size);
  padding: 2px 6px; border-radius: 1px; width: 120px;
}
.settings-input:focus               { outline: none; border-color: var(--accent); }
input[type="color"].settings-input  { padding: 0; height: 22px; width: 44px; cursor: pointer; }

/* ── LOG OUTPUT ─────────────────────────────────────────────────────── */
.log-line { padding: 1px 4px; border-bottom: 1px solid var(--border); font-size: var(--font-size); }
.log-info { color: var(--text2); }
.log-warn { color: var(--warn); }
.log-err  { color: var(--err); }

/* Python console */
.py-out    { color: var(--text2); padding: 1px 0; white-space: pre-wrap; }
.py-err    { color: var(--err);   white-space: pre-wrap; }
.py-cmd    { color: #f0c060; padding: 2px 0; white-space: pre-wrap; border-top: 1px solid var(--border); margin-top: 2px; }
.py-result { color: var(--ok);    white-space: pre-wrap; }

/* ── OVERVIEW WINDOW ────────────────────────────────────────────────── */
#overviewWin {
  position: absolute;
  top: 8px; right: 8px;
  width: 220px; height: 180px;
  min-width: 120px; min-height: 100px;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 4px 4px 14px rgba(0,0,0,0.5);
  display: flex; flex-direction: column;
  z-index: 100;
  overflow: hidden;
}
#overviewWin.ov-hidden { display: none; }
#overviewHeader {
  height: 20px; min-height: 20px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 4px; gap: 4px;
  cursor: move;
  font-size: 9px; letter-spacing: 0.06em; color: var(--text3);
}
#overviewTitle  { flex: 1; }
#overviewCanvas { flex: 1; width: 100%; display: block; }
#overviewResize {
  position: absolute; bottom: 0; left: 0;
  width: 100%; height: 4px;
  cursor: ns-resize;
  background: var(--bg2);
}
#overviewResize::after {
  content: '';
  position: absolute; bottom: 0; right: 0;
  width: 10px; height: 10px;
  cursor: nwse-resize;
  border-right: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
}

/* ── SECTION GIZMO ──────────────────────────────────────────────────── */
#gizmoTooltip {
  position: absolute; background: var(--bg2); border: 1px solid var(--accent);
  color: var(--accent); font-family: var(--font); font-size: 10px;
  padding: 2px 6px; pointer-events: none; z-index: 50; display: none;
  white-space: nowrap; border-radius: 1px;
}

/* ── HELP WINDOW ────────────────────────────────────────────────────── */
#helpOverlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 6000;
  display: none;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 40px 24px 24px;
}
#helpOverlay.visible { display: flex; }
#helpWin {
  background: var(--bg2);
  border: 1px solid var(--border);
  width: 520px;
  height: 72vh;
  min-width: 300px; min-height: 200px;
  max-width: calc(100vw - 16px); max-height: calc(100vh - 16px);
  display: flex;
  flex-direction: column;
  box-shadow: 8px 8px 28px rgba(0,0,0,0.7);
  position: relative;
}
#helpHeader {
  height: 28px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 8px; gap: 6px;
  cursor: move;
  font-size: 10px; letter-spacing: 0.06em; color: var(--text2);
  flex-shrink: 0;
}
#helpTitle { flex: 1; }
/* Two-pane layout */
#helpBody  { display: flex; flex: 1; overflow: hidden; }
#helpNav {
  width: 160px; min-width: 120px; flex-shrink: 0;
  overflow-y: auto; overflow-x: hidden;
  background: var(--bg2); border-right: 1px solid var(--border);
  padding: 6px 0;
}
#helpNav a {
  display: block; padding: 4px 12px;
  font-size: 10px; color: var(--text2);
  text-decoration: none; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
  border-left: 2px solid transparent;
  transition: background 0.1s, color 0.1s;
}
#helpNav a:hover  { background: var(--hover); color: var(--text); }
#helpNav a.active { border-left-color: var(--accent); color: var(--text); font-weight: 600; }
#helpNav .nav-section {
  padding: 8px 12px 2px;
  font-size: 9px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text3);
}
#helpContent { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 0; background: var(--bg); }
#helpFrame   { flex: 1; width: 100%; height: 100%; border: none; display: block; background: var(--bg); }
/* Resize handles */
#helpResizeH {
  position: absolute; bottom: 0; left: 0; right: 10px;
  height: 5px; cursor: s-resize; background: transparent;
}
#helpResizeV {
  position: absolute; top: 0; right: 0; bottom: 10px;
  width: 5px; cursor: e-resize; background: transparent;
}
#helpResizeC {
  position: absolute; bottom: 0; right: 0;
  width: 12px; height: 12px; cursor: se-resize;
  border-right: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
}

/* ── PDF PRINT LAYOUT ───────────────────────────────────────────────── */
@page { size: A3 landscape; margin: 10mm; }
.sheet {
  width: 420mm; height: 297mm; position: relative;
  display: flex; flex-direction: column;
  border: 0.5mm solid #333; page-break-after: always;
}
.titlebar {
  height: 12mm; background: #1a2233; color: #c8d4e8;
  display: flex; align-items: center; padding: 0 6mm;
  font-size: 11pt; letter-spacing: 0.06em;
  justify-content: space-between; flex-shrink: 0;
}
.drawing-area {
  flex: 1; display: flex; align-items: center; justify-content: center;
  background: #f8f8f8; overflow: hidden;
}
.drawing-area img { max-width: 100%; max-height: 100%; object-fit: contain; }
.infobar {
  height: 8mm; background: #e8eaed; border-top: 0.3mm solid #aaa;
  display: flex; align-items: center; padding: 0 6mm; gap: 12mm;
  font-size: 8pt; color: #333; flex-shrink: 0;
}
.infobar span { display: inline-block; }
@media print { button { display: none; } }

/* ── COLOUR PICKER ──────────────────────────────────────────────────── */
.col-picker {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px; box-shadow: 0 4px 20px rgba(0,0,0,.25);
  font-family: var(--font); font-size: 11px; color: var(--text);
  min-width: 200px; backdrop-filter: blur(2px);
}
.col-picker-hdr {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px; cursor: move; user-select: none;
}
.col-picker-title { font-size: 10px; color: var(--text2); font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.col-picker-btn   { background: none; border: none; cursor: pointer; color: var(--text2); font-size: 14px; padding: 0 3px; line-height: 1; border-radius: 2px; }
.col-picker-btn:hover { color: var(--text); }
.col-picker-preview { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.col-picker-sw      { display: inline-block; width: 28px; height: 20px; border-radius: 3px; border: 1px solid var(--border); flex-shrink: 0; }
.col-picker-hex     { flex: 1; color: var(--text); font-variant-numeric: tabular-nums; font-size: 11px; }
.col-picker-grid    { display: flex; flex-wrap: wrap; gap: 3px; margin-bottom: 8px; max-width: 216px; }
.col-picker-sw-item {
  display: inline-block; width: 24px; height: 24px; border-radius: 3px;
  cursor: pointer; border: 2px solid transparent; box-sizing: border-box; transition: border-color .1s;
}
.col-picker-sw-item:hover,
.col-picker-sw-item.active { border-color: var(--accent); }
.col-picker-footer  { display: flex; gap: 4px; justify-content: flex-end; }
.col-picker-row     { margin-bottom: 6px; }
.col-picker-op-lbl  { font-size: 10px; color: var(--text2); white-space: nowrap; }

/* ── SCROLLBARS ─────────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }