/* =====================================================================
   AcousticCAD - Design System & Modern Responsive Stylesheet
   Theme: Acoustic Orange & Deep Obsidian Black
   PWA & High Precision CAD UI
   ===================================================================== */

:root {
  --color-bg-base: #06090e;
  --color-bg-surface: #0c121d;
  --color-bg-surface-elevated: #131a29;
  --color-bg-glass: rgba(12, 18, 29, 0.85);
  --color-border: #1e293b;
  --color-border-hover: #334155;
  --color-border-active: #ff6b00;

  --color-primary: #ff6b00;
  --color-primary-hover: #ff7f24;
  --color-primary-glow: rgba(255, 107, 0, 0.3);
  --color-primary-subtle: rgba(255, 107, 0, 0.12);

  --color-accent-blue: #0ea5e9;
  --color-accent-green: #10b981;
  --color-accent-purple: #8b5cf6;
  --color-accent-red: #ef4444;

  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --header-height: 52px;
  --toolbar-height: 46px;
  --statusbar-height: 32px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
}

/* Material Symbols configuration */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  display: inline-block;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

.material-symbols-outlined.fill {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* App Header */
header.app-header {
  height: var(--header-height);
  background: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #ff6b00 0%, #d44e00 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 12px var(--color-primary-glow);
}

.brand-title {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-title span {
  color: var(--color-primary);
}

.brand-tag {
  font-size: 0.68rem;
  background: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

/* Header Action Group */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-surface-elevated);
  color: var(--color-text-main);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  outline: none;
}

.btn:hover {
  background: #1c263c;
  border-color: var(--color-border-hover);
  color: #fff;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 10px var(--color-primary-glow);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-dxf {
  background: #0f2723;
  border-color: #10b981;
  color: #34d399;
}

.btn-dxf:hover {
  background: #133932;
  border-color: #34d399;
  color: #fff;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* Secondary App Navigation Toolbar (2 Rows: Views/Room Context + CAD Tools) */
.nav-toolbar {
  height: auto;
  background: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 120;
  width: 100%;
}

.toolbar-nav-row {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: var(--color-bg-surface);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  gap: 8px;
  position: relative;
  z-index: 122;
}

.toolbar-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.toolbar-tools-row {
  height: 40px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: rgba(6, 9, 14, 0.45);
  position: relative;
  z-index: 121;
}

.tools-subgroup {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.toolbar-toggle-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  cursor: pointer;
  color: var(--color-text-main);
  user-select: none;
  transition: color 0.15s ease;
  white-space: nowrap;
}

.toolbar-toggle-label:hover {
  color: #fff;
}

.toolbar-toggle-label input[type="checkbox"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

.badge-status-tag {
  white-space: nowrap;
  font-size: 0.72rem;
  padding: 3px 8px;
}

.view-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: #fff;
  background: var(--color-bg-surface-elevated);
}

.tab-btn.active {
  color: #fff;
  background: var(--color-bg-surface-elevated);
  border-color: var(--color-primary);
  box-shadow: inset 0 -2px 0 var(--color-primary);
}

.tab-btn .badge-coord {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--color-text-dim);
}

.tab-btn.active .badge-coord {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

/* CAD Tools strip in nav */
.cad-tools-strip {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 4px 9px;
  font-size: 0.76rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-surface-elevated);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.tool-btn .material-symbols-outlined {
  font-size: 17px;
}

.tool-btn:hover {
  color: #fff;
  border-color: var(--color-border-hover);
}

.tool-btn.active {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

/* Main Workspace Layout */
main.workspace-container {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  background: var(--color-bg-base);
}

/* Responsive Panels: Split mode (2D Left, 3D Right) */
.workspace-panel {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg-base);
  border-right: 1px solid var(--color-border);
}

.workspace-panel:last-child {
  border-right: none;
}

.panel-header {
  height: 32px;
  background: rgba(12, 18, 29, 0.95);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  backdrop-filter: blur(8px);
  position: relative;
  z-index: 100;
}

.panel-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.panel-header-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn-tiny {
  background: transparent;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn-tiny:hover {
  color: #fff;
  background: var(--color-border);
}

/* Canvas 2D container */
.canvas-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #080c14;
}

canvas#cad-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

/* 3D Viewport container */
.viewport-3d-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #05080e;
}

#three-container {
  width: 100%;
  height: 100%;
  display: block;
}

/* Floating Overlays on 3D Viewport */
.viewport-floating-info {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  backdrop-filter: blur(10px);
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.viewport-floating-info b {
  color: #fff;
}

.viewport-floating-info .accent-vol {
  color: #38bdf8;
}

.viewport-floating-info .accent-area {
  color: #34d399;
}

.viewport-camera-preset-bar {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 4px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 3px;
  backdrop-filter: blur(8px);
}

.btn-cam-preset {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-cam-preset:hover, .btn-cam-preset.active {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

/* Floating Snaps and Reference Modal/Palette */
.floating-overlay-card {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px;
  backdrop-filter: blur(12px);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  min-width: 200px;
}

.overlay-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.toggle-row input[type="checkbox"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* App Status Bar */
footer.app-statusbar {
  height: var(--statusbar-height);
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  z-index: 40;
}

.statusbar-left, .statusbar-center, .statusbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 6px;
  background: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.status-pill.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.status-indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-green);
}

/* Modal Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.modal-backdrop.hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

.modal-box {
  background: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 90%;
  max-width: 520px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-body {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.input-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.input-text {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
}

.input-text:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-subtle);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}

/* =====================================================================
   Menú Contextual CAD para Edición de Aristas / Splines
   ===================================================================== */
.cad-context-menu {
  position: absolute;
  z-index: 1000;
  width: 250px;
  background: rgba(12, 18, 29, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 107, 0, 0.45);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.8), 0 0 18px rgba(255, 107, 0, 0.18);
  overflow: hidden;
  animation: contextFadeIn 0.12s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

@keyframes contextFadeIn {
  from { opacity: 0; transform: scale(0.96) translateY(-4px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.context-menu-header {
  padding: 8px 12px;
  background: rgba(255, 107, 0, 0.12);
  border-bottom: 1px solid rgba(255, 107, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.context-menu-items {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  cursor: pointer;
  text-align: left;
  transition: all 0.12s ease;
  width: 100%;
}

.context-menu-item:hover {
  background: rgba(255, 107, 0, 0.16);
  color: #fff;
  transform: translateX(3px);
}

.context-menu-item .material-symbols-outlined {
  color: var(--color-primary);
  font-size: 19px;
  flex-shrink: 0;
}

.context-menu-item .item-text {
  display: flex;
  flex-direction: column;
}

.context-menu-item .item-title {
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.2;
}

.context-menu-item .item-desc {
  font-size: 0.67rem;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.context-menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 6px;
}

/* =====================================================================
   Menú Desplegable de Ayudas de Dibujo (Pop-over)
   ===================================================================== */
.drawing-aids-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 235px;
  background: rgba(12, 18, 29, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.8), 0 0 15px rgba(255, 107, 0, 0.12);
  z-index: 300;
  overflow: hidden;
  animation: contextFadeIn 0.12s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-header {
  padding: 8px 12px;
  background: rgba(255, 107, 0, 0.1);
  border-bottom: 1px solid rgba(255, 107, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dropdown-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.icon-btn-sm {
  background: transparent;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  border-radius: 4px;
  transition: all 0.12s ease;
}

.icon-btn-sm:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* =====================================================================
   Gestor Desplegable de Capas Acústicas (DXF) en 3D
   ===================================================================== */
.acoustic-layers-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 295px;
  background: rgba(12, 18, 29, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 107, 0, 0.35);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.85), 0 0 16px rgba(255, 107, 0, 0.15);
  z-index: 1000;
  overflow: hidden;
  animation: contextFadeIn 0.12s cubic-bezier(0.16, 1, 0.3, 1);
}

.layers-dropdown-sub {
  padding: 6px 12px;
  font-size: 0.67rem;
  color: var(--color-text-dim);
  border-bottom: 1px solid var(--color-border);
  background: rgba(6, 9, 14, 0.4);
}

.layers-list-container {
  max-height: 260px;
  overflow-y: auto;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.layer-row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: all 0.12s ease;
  cursor: pointer;
}

.layer-row-item:hover {
  background: rgba(255, 107, 0, 0.08);
  border-color: rgba(255, 107, 0, 0.25);
}

.layer-row-item.active-layer {
  background: rgba(255, 107, 0, 0.14);
  border-color: var(--color-primary);
}

.layer-row-left {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.layer-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.layer-name-badge {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--color-text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 130px;
}

.layer-metrics-sub {
  font-size: 0.65rem;
  color: var(--color-text-dim);
}

.layer-toggle-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  padding: 3px;
  border-radius: 4px;
  transition: all 0.12s ease;
}

.layer-toggle-btn.muted {
  color: var(--color-text-dim);
  opacity: 0.45;
}

.layer-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* =====================================================================
   Inspector de Cara 3D y Asignación de Capas
   ===================================================================== */
.face-inspector-card {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 275px;
  background: rgba(12, 18, 29, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 107, 0, 0.45);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.8), 0 0 15px rgba(255, 107, 0, 0.16);
  z-index: 100;
  overflow: hidden;
  animation: contextFadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.inspector-header {
  padding: 8px 12px;
  background: rgba(255, 107, 0, 0.14);
  border-bottom: 1px solid rgba(255, 107, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.inspector-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.inspector-metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: rgba(0, 0, 0, 0.25);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
}

.inspector-layer-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.inspector-layer-field label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.inspector-layer-field input {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  outline: none;
}

.inspector-layer-field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-subtle);
}

.inspector-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.72rem;
  flex: 1;
}

/* Responsiveness */
@media (max-width: 1024px) {
  .workspace-container {
    flex-direction: column;
  }
  .workspace-panel {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    height: 50%;
  }
}

@media (max-width: 960px) {
  .toolbar-nav-row,
  .toolbar-tools-row {
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .toolbar-nav-row::-webkit-scrollbar,
  .toolbar-tools-row::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 640px) {
  .brand-title span.desktop-only {
    display: none;
  }
  .statusbar-center {
    display: none;
  }
}

/* =====================================================================
   Toolbar Organization & Groups
   ===================================================================== */
.toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.toolbar-divider {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  margin: 0 6px;
  flex-shrink: 0;
}

.tab-btn .badge-hint {
  font-size: 0.64rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--color-text-dim);
  margin-left: 2px;
}

.tab-btn.active .badge-hint {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.btn-danger-action {
  color: #ef4444 !important;
}

.btn-danger-action:hover {
  background: rgba(239, 68, 68, 0.15) !important;
  border-color: #ef4444 !important;
  color: #f87171 !important;
}

/* =====================================================================
   Modal Dialog: Asignación de Capas Acústicas
   ===================================================================== */
.acoustic-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.15s ease-out;
}

.acoustic-modal-dialog {
  background: #0d1117;
  border: 1px solid rgba(255, 107, 0, 0.45);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.85), 0 0 25px rgba(255, 107, 0, 0.18);
  border-radius: 12px;
  width: 450px;
  max-width: 92vw;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 12px 16px;
  background: rgba(255, 107, 0, 0.12);
  border-bottom: 1px solid rgba(255, 107, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-footer {
  padding: 12px 16px;
  background: rgba(6, 9, 14, 0.7);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.modal-target-badge {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid #1e293b;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.74rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-input {
  width: 100%;
  background: var(--color-bg-base);
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 7px 10px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  outline: none;
  transition: all 0.15s ease;
}

.modal-input:focus {
  border-color: #ff6b00;
  box-shadow: 0 0 0 2px rgba(255, 107, 0, 0.2);
}

.layers-chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 100px;
  overflow-y: auto;
  padding: 6px;
  background: rgba(6, 9, 14, 0.6);
  border-radius: 6px;
  border: 1px solid #1e293b;
}

.layer-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid #334155;
  background: #0c121d;
  color: #cbd5e1;
  transition: all 0.15s ease;
}

.layer-chip:hover {
  border-color: #ff6b00;
  color: #fff;
  transform: translateY(-1px);
}

.layer-chip.active {
  border-color: #ff6b00;
  background: rgba(255, 107, 0, 0.18);
  color: #ff6b00;
}

.layer-chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

/* =====================================================================
   Modal de Exportación Multi-Plataforma Acústica
   ===================================================================== */
.platform-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.platform-card {
  display: block;
  padding: 10px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
}

.platform-card:hover {
  border-color: #ff6b00;
  background: rgba(255, 107, 0, 0.05);
}

.platform-card.active {
  border-color: #ff6b00;
  background: rgba(255, 107, 0, 0.12);
  box-shadow: 0 0 0 1px #ff6b00;
}

.platform-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.platform-icon {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: rgba(255, 107, 0, 0.18);
  color: #ff6b00;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.platform-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  flex: 1;
}

.platform-ext-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 107, 0, 0.2);
  color: #ff6b00;
  border: 1px solid rgba(255, 107, 0, 0.4);
}

.platform-desc {
  font-size: 0.68rem;
  color: var(--color-text-dim);
  line-height: 1.35;
  padding-left: 30px;
}

/* =====================================================================
   Modal de Importar Plano y Banner Flotante CAD
   ===================================================================== */
.plan-view-tabs {
  display: flex;
  gap: 6px;
  background: var(--color-bg-base);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.plan-view-pill {
  flex: 1;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-text-dim);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}

.plan-view-pill:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.plan-view-pill.active {
  background: rgba(255, 107, 0, 0.18);
  border-color: rgba(255, 107, 0, 0.45);
  color: #ff6b00;
}

.plan-dropzone {
  border: 2px dashed rgba(255, 107, 0, 0.35);
  border-radius: var(--radius-md);
  background: rgba(255, 107, 0, 0.02);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.plan-dropzone:hover,
.plan-dropzone.dragover {
  border-color: #ff6b00;
  background: rgba(255, 107, 0, 0.08);
}

.cad-floating-banner {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 14px;
  background: rgba(12, 18, 29, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 107, 0, 0.55);
  border-radius: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75), 0 0 15px rgba(255, 107, 0, 0.18);
  animation: contextFadeIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
  max-width: 90%;
}