:root {
  /* Базовые цвета (тёмная тема) */
  --bg: #1e1e24;
  --panel: #2c2c34;
  --panel-2: #36363f;
  --panel-3: #40404a;
  --border: #4a4a55;
  --border-light: #5a5a66;
  --text: #e8e8ec;
  --text-dim: #9a9aa8;
  --text-muted: #6a6a78;
  --accent: #f97316;
  --accent-hover: #fb8b2e;
  --accent-dim: rgba(249, 115, 22, 0.15);
  --success: #4ade80;
  --success-dim: rgba(74, 222, 128, 0.15);
  --warning: #fbbf24;
  --warning-dim: rgba(251, 191, 36, 0.15);
  --danger: #f87171;
  --danger-dim: rgba(248, 113, 113, 0.15);
  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --transition: 0.18s ease;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
}

/* Светлая тема */
body.light-theme {
  --bg: #f5f5f5;
  --panel: #ffffff;
  --panel-2: #f0f0f0;
  --panel-3: #e8e8e8;
  --border: #d0d0d0;
  --border-light: #c0c0c0;
  --text: #222222;
  --text-dim: #555555;
  --text-muted: #777777;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden-panel {
  display: none !important;
}

/* ВЕРХНЯЯ ПАНЕЛЬ — ИСПРАВЛЕННАЯ */
#topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  height: 40px;          /* увеличил высоту, чтобы логотип влез */
  flex-shrink: 0;
  z-index: 120;
  /* overflow: hidden убрал — теперь меню-дропы не обрезаются */
}

/* Логотип — увеличен в 2 раза (было 24px → 48px) */
.logo-img {
  height: 64px;
  width: auto;
  max-height: 64px;
  flex-shrink: 0;
  margin-right: 6px;
  display: inline-block;
  vertical-align: middle;
}

/* Кнопка переключения темы */
#themeToggle {
  font-size: 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 2px 8px;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
  height: 28px;
  line-height: 1;
  margin-left: auto; /* прижимаем вправо */
}
#themeToggle:hover {
  background: var(--panel-2);
  border-color: var(--accent);
}

/* Остальные стили (без изменений) */
.menu {
  position: relative;
}
.menu-title {
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
  color: var(--text);
  transition: all var(--transition);
}
.menu:hover .menu-title {
  background: var(--panel-2);
  color: var(--accent);
}
.menu-drop {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  max-width: 360px;
  max-height: 74vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: 0 0 8px 8px;
  box-shadow: var(--shadow);
  padding: 6px;
  z-index: 500;
}
.menu:hover .menu-drop {
  display: block;
}
.mi {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  transition: background 0.12s;
  white-space: nowrap;
}
.mi:hover {
  background: var(--accent-dim);
  color: var(--accent);
}
.mi.active {
  background: var(--accent-dim);
  color: var(--accent);
}
.mi.primary {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.mi.rec {
  background: var(--danger);
  color: #fff;
}
.mi-line {
  display: flex;
  align-items: center;
}
.mi-line .mi {
  flex: 1;
}
.pinChk {
  width: 13px;
  height: 13px;
  accent-color: var(--accent);
  margin: 0 8px;
  cursor: pointer;
  flex-shrink: 0;
}
.mi-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 11px;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.mi-row .tb-select,
.mi-row .tb-input {
  flex: 1;
  min-width: 60px;
}
.mi-sep {
  height: 1px;
  background: var(--border);
  margin: 5px 8px;
}
.mi-label {
  font-size: 9px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 5px 10px 2px;
  letter-spacing: 0.6px;
  font-weight: 700;
}

/* ТУЛБАР */
#toolbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
  flex-wrap: wrap;
  z-index: 110;
}

.tb-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  padding: 5px 8px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: inherit;
  transition: all 0.15s;
  white-space: nowrap;
}
.tb-btn:hover {
  background: var(--panel-2);
  border-color: var(--border);
}
.tb-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}
.tb-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.tb-btn.primary:hover {
  background: var(--accent-hover);
}
.tb-btn.danger {
  color: var(--danger);
}
.tb-btn.danger:hover {
  background: var(--danger-dim);
}
.tb-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.tb-btn.rec {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.tb-sep {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}
.tb-group {
  display: flex;
  align-items: center;
  gap: 3px;
}
.tb-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.tb-input {
  width: 48px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 5px;
  border-radius: 4px;
  font-size: 11px;
  text-align: center;
  font-family: inherit;
}
.tb-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.tb-select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-family: inherit;
  max-width: 190px;
}
.tb-select:focus {
  outline: none;
  border-color: var(--accent);
}
.tb-color {
  width: 28px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 2px;
  background: transparent;
}
.tb-color::-webkit-color-swatch-wrapper {
  padding: 0;
}
.tb-color::-webkit-color-swatch {
  border: none;
  border-radius: 3px;
}
.tb-range {
  width: 70px;
  -webkit-appearance: none;
  background: var(--bg);
  height: 4px;
  border-radius: 2px;
  outline: none;
}
.tb-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.snap-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 3px;
}
.snap-indicator.off {
  background: var(--text-muted);
}
.spacer {
  flex: 1;
}

/* ОСНОВА */
#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}
#leftPanel {
  width: 250px;
  min-width: 210px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.panel-header {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  background: var(--panel-2);
}
.panel-header h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}
.panel-header h3::before {
  content: '';
  width: 3px;
  height: 12px;
  border-radius: 2px;
  background: var(--accent);
}
.collapse-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 4px;
  font-size: 10px;
  cursor: pointer;
  padding: 2px 7px;
  font-family: inherit;
}
.collapse-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.panel-search {
  padding: 6px;
  border-bottom: 1px solid var(--border);
}
.panel-search input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 9px;
  border-radius: 6px;
  font-size: 12px;
  font-family: inherit;
}
.panel-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.lib-sort-bar {
  display: flex;
  gap: 5px;
  padding: 6px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.lib-sort-bar select {
  flex: 1;
}
#libList {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}
.lib-empty {
  text-align: center;
  padding: 28px 14px;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.6;
}
.lib-empty-icon {
  font-size: 36px;
  margin-bottom: 8px;
  opacity: 0.5;
}
.lib-category {
  margin-bottom: 8px;
}
.lib-category-header {
  padding: 6px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  border-radius: 5px;
}
.lib-category-header:hover {
  background: var(--panel-2);
  color: var(--text);
}
.lib-category-header .chevron {
  margin-left: auto;
  transition: transform 0.2s;
  font-size: 9px;
}
.lib-category.open .chevron {
  transform: rotate(90deg);
}
.lib-category-items {
  display: none;
  margin-top: 4px;
}
.lib-category.open .lib-category-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.lib-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 7px;
  cursor: grab;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 7px;
  position: relative;
}
.lib-item:hover {
  border-color: var(--accent);
  background: var(--bg);
  transform: translateX(2px);
}
.lib-ico {
  font-size: 13px;
  flex-shrink: 0;
}
.lib-thumb {
  width: 30px;
  height: 30px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.lib-item-name {
  font-size: 11px;
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}
.lib-item-price {
  font-size: 10px;
  color: var(--success);
  font-weight: 600;
  flex-shrink: 0;
}
.lib-item-badge {
  font-size: 8px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 2px 5px;
  border-radius: 4px;
  flex-shrink: 0;
}
.lib-item-delete {
  background: var(--danger);
  color: #fff;
  border: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  font-size: 10px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}
.lib-item:hover .lib-item-delete {
  display: flex;
}

#center {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  min-width: 0;
}
#viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
}
#viewport canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

#viewCube {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: rgba(0, 0, 0, 0.55);
  padding: 4px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  z-index: 5;
  backdrop-filter: blur(8px);
}
.vc-btn {
  width: 26px;
  height: 26px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  transition: all var(--transition);
}
.vc-btn:hover {
  background: var(--accent);
  color: #fff;
}

.measure-hint {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 107, 53, 0.95);
  color: #fff;
  padding: 7px 16px;
  border-radius: 18px;
  font-size: 12px;
  font-weight: 600;
  z-index: 20;
  display: none;
  box-shadow: var(--shadow-sm);
}

#fastenerLegend {
  position: absolute;
  left: 10px;
  bottom: 48px;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
  font-size: 10px;
  color: var(--text);
  z-index: 6;
  flex-direction: column;
  gap: 5px;
}
#fastenerLegend b {
  color: var(--accent);
  font-size: 11px;
  margin-bottom: 2px;
  display: block;
}
.fl-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 7px;
  vertical-align: middle;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

#jointBadge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid var(--border);
  color: var(--warning);
  border-radius: 16px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  z-index: 6;
  backdrop-filter: blur(6px);
}
#jointBadge b {
  color: var(--success);
}

.rec-badge {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--danger);
  color: #fff;
  padding: 5px 14px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 700;
  z-index: 25;
  display: none;
  align-items: center;
  gap: 6px;
}

#quickProps {
  position: absolute;
  z-index: 40;
  width: 270px;
  max-height: 640px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: none;
  padding: 12px;
  font-size: 11px;
  backdrop-filter: blur(12px);
}
#quickProps .qp-title {
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 12px;
}
#quickProps .qp-title .qp-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#statusbar {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  padding: 5px 14px;
  border-radius: 14px;
  font-size: 10px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 5;
  white-space: nowrap;
}

#drawingDims {
  display: none;
}

#rightPanel {
  width: 310px;
  min-width: 260px;
  background: var(--panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}
.tabs {
  display: flex;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.tab {
  flex: 1;
  padding: 8px 6px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-dim);
  cursor: pointer;
  text-align: center;
  border-bottom: 2px solid transparent;
  font-weight: 500;
  transition: all var(--transition);
  background: transparent;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: inherit;
}
.tab:hover {
  color: var(--text);
  background: var(--panel-3);
}
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--panel);
  font-weight: 600;
}
.tab-content-r {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}
.tab-content-r.active {
  display: block;
}

.prop-group {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.prop-group:last-child {
  border-bottom: none;
}
.prop-group-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}
.prop-group-label::before {
  content: '';
  width: 3px;
  height: 11px;
  border-radius: 2px;
  background: var(--accent);
}
.prop-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 5px;
}
.prop-label {
  font-size: 10px;
  color: var(--text-dim);
  width: 62px;
  flex-shrink: 0;
}
.prop-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 7px;
  border-radius: 5px;
  font-size: 11px;
  font-family: inherit;
  min-width: 0;
  transition: border-color var(--transition);
}
.prop-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.prop-input[type="number"] {
  font-family: var(--font-mono);
}
.prop-checkbox {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px;
  background: var(--panel-2);
  border-radius: 6px;
  margin-bottom: 6px;
  cursor: pointer;
  font-size: 11px;
}
.prop-checkbox:hover {
  background: var(--panel-3);
}
.prop-checkbox input {
  cursor: pointer;
  width: 13px;
  height: 13px;
  accent-color: var(--accent);
}
.prop-slider {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 1;
}
.prop-slider input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  background: var(--bg);
  height: 4px;
  border-radius: 2px;
  outline: none;
}
.prop-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.prop-slider .value {
  font-size: 10px;
  color: var(--text-dim);
  width: 34px;
  text-align: right;
  font-family: var(--font-mono);
}
.prop-color {
  width: 36px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  padding: 2px;
  background: transparent;
}
.prop-color::-webkit-color-swatch-wrapper {
  padding: 0;
}
.prop-color::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

.gap-display {
  background: var(--success-dim);
  border: 1px solid var(--success);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 10px;
  text-align: center;
}
.gap-display .gap-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--success);
}
.gap-display .gap-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 3px;
}
.gap-manual {
  background: var(--panel-2);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 10px;
  margin-top: 8px;
}

#outliner {
  max-height: 140px;
  overflow-y: auto;
  border-bottom: 1px solid var(--border);
  margin: -10px -10px 10px;
  padding: 6px 10px;
  background: var(--panel-2);
}
.outliner-item {
  padding: 5px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 11px;
  border-left: 3px solid transparent;
  border-radius: 4px;
  transition: background 0.12s;
}
.outliner-item:hover {
  background: var(--panel-3);
}
.outliner-item.selected {
  background: var(--accent-dim);
  color: var(--accent);
  border-left-color: var(--accent);
}
.outliner-item .vis-toggle {
  cursor: pointer;
  color: var(--text-dim);
}
.outliner-item .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.outliner-item.assembly-item {
  font-weight: 600;
  color: var(--accent);
}

.bom-table,
.est-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10px;
}
.bom-table th,
.est-table th {
  text-align: left;
  padding: 6px 8px;
  background: var(--panel-2);
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 9px;
  border-bottom: 2px solid var(--border);
}
.bom-table td,
.est-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
}
.bom-includes {
  color: var(--text-dim);
  font-size: 9px;
  padding: 3px 8px 7px 20px !important;
}
.est-table input {
  width: 64px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 5px;
  border-radius: 4px;
  font-size: 10px;
  text-align: right;
  font-family: var(--font-mono);
}

.bom-total,
.est-total {
  padding: 10px;
  background: var(--panel-2);
  margin-top: 8px;
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 12px;
}
.bom-total-price,
.est-total-price {
  font-size: 15px;
  color: var(--success);
}

.est-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 7px;
}
.est-row label {
  font-size: 10px;
  color: var(--text-dim);
  width: 92px;
  flex-shrink: 0;
}

.banding-box {
  background: var(--panel-2);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  padding: 9px;
  margin-top: 8px;
  font-size: 10px;
}

.sp-wrap {
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.sp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 7px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--accent);
  margin-bottom: 6px;
}
.sp-head:hover {
  border-color: var(--accent);
}
.sp-chev {
  font-size: 9px;
  color: var(--text-dim);
  transition: transform 0.15s;
}
.sp-head.closed .sp-chev {
  transform: rotate(-90deg);
}
.sp-head.closed {
  margin-bottom: 0;
}
.sp-body {
  padding: 6px 0 2px;
}
.sp-body.closed {
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s;
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px;
  min-width: 460px;
  max-width: 92vw;
  box-shadow: var(--shadow);
  max-height: 92vh;
  overflow-y: auto;
}
.modal h2 {
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--accent);
}

.quote-section {
  margin-bottom: 12px;
}
.quote-section label {
  display: block;
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 600;
  letter-spacing: 0.4px;
}
.quote-section input,
.quote-section select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 9px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
}
.quote-section input:focus,
.quote-section select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.import-preview {
  width: 100%;
  height: 180px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}
.import-preview canvas {
  width: 100%;
  height: 100%;
}
.import-dimensions {
  background: var(--panel-2);
  padding: 9px 12px;
  border-radius: 6px;
  margin-bottom: 10px;
  font-size: 12px;
}
.preset-btns {
  display: flex;
  gap: 5px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.preset-btn {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
}
.preset-btn:hover {
  border-color: var(--accent);
}

#toastContainer {
  position: fixed;
  bottom: 48px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2000;
}
.toast {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 10px 14px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  font-size: 11px;
  max-width: 340px;
  animation: slideIn 0.22s;
}
.toast.success {
  border-left-color: var(--success);
  background: var(--success-dim);
}
.toast.error {
  border-left-color: var(--danger);
  background: var(--danger-dim);
}
.toast.warning {
  border-left-color: var(--warning);
  background: var(--warning-dim);
}

@keyframes slideIn {
  from {
    transform: translateX(24px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

.drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  padding: 5px 10px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-size: 10px;
  font-weight: 600;
}

.room-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3px 8px;
  font-size: 10px;
  color: var(--text);
}
.room-chip b {
  color: var(--accent);
}
.room-chip-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  font-size: 10px;
  cursor: pointer;
  padding: 1px 5px;
  line-height: 1;
  font-family: inherit;
}
.room-chip-btn:hover {
  border-color: var(--accent);
  background: var(--panel-2);
}
.room-chip-btn.danger:hover {
  border-color: var(--danger);
  background: var(--danger-dim);
}

body.presenting #topbar,
body.presenting #toolbar,
body.presenting #leftPanel,
body.presenting #rightPanel,
body.presenting #statusbar {
  display: none !important;
}

#modalKompas .modal,
#modalDrill .modal {
  width: 96vw;
  max-width: 96vw;
  height: 94vh;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#modalKompas #kompasPreviewWrap,
#modalDrill #drillWrap {
  flex: 1;
  min-height: 0;
  background: #d8d8d8;
  border: 1px solid var(--border);
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 10px;
}
#modalKompas #kompasCanvas {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  background: #fff;
}

.kompas-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 10px;
}

.pl-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-bottom: 10px;
}
.pl-table th {
  text-align: left;
  padding: 6px 8px;
  background: var(--panel-2);
  color: var(--text-dim);
  font-size: 9px;
  text-transform: uppercase;
}
.pl-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
}
.pl-table input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.room-desc {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 14px;
  line-height: 1.6;
}

.help-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.help-table th {
  text-align: left;
  padding: 7px 9px;
  background: var(--panel-2);
  color: var(--text-dim);
  font-size: 9px;
  text-transform: uppercase;
}
.help-table td {
  padding: 6px 9px;
  border-bottom: 1px solid var(--border);
}
.help-table kbd {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--accent);
}

.version-item {
  display: flex;
  gap: 7px;
  align-items: center;
  padding: 9px 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 7px;
  font-size: 11px;
}
.version-item .v-info {
  flex: 1;
}
.version-item .v-date {
  font-weight: 600;
}
.version-item .v-size {
  color: var(--text-dim);
  font-size: 10px;
}

#stepProgress {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
}
#stepProgress.active {
  display: flex;
}
.step-progress-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  min-width: 360px;
  text-align: center;
  box-shadow: var(--shadow);
}
.step-bar-track {
  background: var(--bg);
  border-radius: 5px;
  height: 9px;
  overflow: hidden;
  margin-top: 14px;
}
.step-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width 0.25s;
  border-radius: 5px;
}
.step-bar-fill.indeterminate {
  width: 100% !important;
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

#modalDrill #drillWrap img {
  max-width: 100%;
  background: #fff;
}

#modalCurve .modal {
  min-width: 800px;
}
#curveCanvas {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: crosshair;
  display: block;
}
.curve-toolbar {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 10px;
}
.curve-point-count {
  font-size: 11px;
  color: var(--text-dim);
}

.fr3d-sample {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--accent);
  white-space: pre;
  margin-top: 8px;
}
/* Иконки в меню и тулбаре */
.menu-icon {
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 6px;
  flex-shrink: 0;
}
.toolbar-icon {
  width: 14px;
  height: 14px;
  vertical-align: middle;
  margin-right: 4px;
  flex-shrink: 0;
}
/* Для кнопок в тулбаре, чтобы иконка была чуть крупнее */
.tb-btn .toolbar-icon {
  width: 16px;
  height: 16px;
}
.mk-ico {
  width: 14px;
  height: 14px;
  max-width: 14px;
  max-height: 14px;
  vertical-align: -2px;
  margin-right: 6px;
  flex: none;
  display: inline-block;
}
/* Увеличение иконок в панели быстрого доступа */
#quickBar .qpin {
  font-size: 20px;          /* увеличиваем размер эмодзи и текста */
  padding: 6px 12px;        /* немного увеличиваем отступы внутри кнопки */
  line-height: 1.4;
  min-height: 34px;         /* делаем кнопку выше для комфортного клика */
}

#quickBar .qpin svg {
  width: 22px;              /* размер для векторных SVG-иконок */
  height: 22px;
  display: inline-block;
  vertical-align: middle;
}

#quickBar .qpin img.pic {
  width: 22px;              /* размер для иконок панелей (боковина, горизонт и др.) */
  height: 22px;
  vertical-align: middle;
}