/* ================================================================
   2M Container Configurator v2 — Full-Screen + Layout
   ================================================================ */

/* ── Full-screen page (hide WP chrome) ────────────────────────── */
body.twomc-fullscreen-page,
body.twomc-fullscreen-page #page,
body.twomc-fullscreen-page .site,
body.twomc-fullscreen-page #content,
body.twomc-fullscreen-page .site-content {
  margin: 0 !important; padding: 0 !important;
  overflow: hidden !important;
}
body.twomc-fullscreen-page .site-header,
body.twomc-fullscreen-page header.site-header,
body.twomc-fullscreen-page #masthead,
body.twomc-fullscreen-page #header,
body.twomc-fullscreen-page .site-footer,
body.twomc-fullscreen-page footer.site-footer,
body.twomc-fullscreen-page #colophon,
body.twomc-fullscreen-page #footer,
body.twomc-fullscreen-page .admin-bar,
body.twomc-fullscreen-page #wpadminbar,
body.twomc-fullscreen-page .elementor-location-header,
body.twomc-fullscreen-page .elementor-location-footer,
body.twomc-fullscreen-page .main-navigation,
body.twomc-fullscreen-page nav.navbar,
body.twomc-fullscreen-page .page-hero,
body.twomc-fullscreen-page .entry-header,
body.twomc-fullscreen-page .breadcrumbs,
body.twomc-fullscreen-page .page-title,
body.twomc-fullscreen-page .ast-breadcrumbs-wrapper {
  display: none !important;
}
body.twomc-fullscreen-page .entry-content,
body.twomc-fullscreen-page .page-content,
body.twomc-fullscreen-page .wp-block-group,
body.twomc-fullscreen-page article.page {
  margin: 0 !important; padding: 0 !important;
}

/* ── Root shell ───────────────────────────────────────────────── */
:root {
  --cfg-brand:       #0b4f86;
  --cfg-brand-l:     #1a6fb3;
  --cfg-accent:      #38bdf8;
  --cfg-bg:          #0f1623;
  --cfg-panel:       #161d2d;
  --cfg-panel-alt:   #1c2538;
  --cfg-hover:       #232e44;
  --cfg-active:      #2a3652;
  --cfg-border:      #2a3652;
  --cfg-border-l:    #354268;
  --cfg-text:        #e2e8f0;
  --cfg-text-m:      #8899b4;
  --cfg-text-f:      #4e617c;
  --cfg-blue:        #1d4ed8;
  --cfg-green:       #16a34a;
  --cfg-red:         #dc2626;
  --cfg-amber:       #d97706;
  --cfg-canvas:      #e8eef5;
  --cfg-sidebar-w:   288px;
  --cfg-props-w:     320px;
  --cfg-topbar-h:    52px;
  --cfg-toolbar-h:   44px;
  --cfg-status-h:    22px;
  --r:               7px;
  --r-sm:            4px;
}

#twomc-configurator, .twomc-root {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 99999 !important;
  display: flex;
  flex-direction: column;
  background: var(--cfg-bg);
  color: var(--cfg-text);
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 13px;
  line-height: 1.5;
  overflow: hidden;
}
#twomc-configurator *, #twomc-configurator *::before, #twomc-configurator *::after {
  box-sizing: border-box; margin: 0; padding: 0;
}
#twomc-configurator button,
#twomc-configurator input,
#twomc-configurator select,
#twomc-configurator textarea { font: inherit; }
#twomc-configurator svg { display: block; }

/* ── Loading overlay ──────────────────────────────────────────── */
.cfg-loading {
  position: absolute; inset: 0;
  background: var(--cfg-bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; z-index: 9999; color: var(--cfg-text-m);
}
.cfg-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--cfg-border);
  border-top-color: var(--cfg-accent);
  border-radius: 50%;
  animation: cfg-spin 0.7s linear infinite;
}
@keyframes cfg-spin { to { transform: rotate(360deg); } }

/* ── Topbar ───────────────────────────────────────────────────── */
.cfg-topbar {
  display: flex; align-items: center; gap: 5px;
  height: var(--cfg-topbar-h);
  padding: 0 10px;
  background: var(--cfg-panel);
  border-bottom: 1px solid var(--cfg-border);
  flex-shrink: 0; overflow-x: auto; scrollbar-width: none;
}
.cfg-topbar::-webkit-scrollbar { display: none; }
.cfg-brand { display: flex; align-items: center; gap: 8px; flex-shrink: 0; margin-right: 8px; }
.cfg-brand-logo {
  width: 30px; height: 30px; background: var(--cfg-brand);
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 12px; color: #fff; flex-shrink: 0;
}
.cfg-brand-name { font-weight: 800; font-size: 13px; letter-spacing: -.03em; white-space: nowrap; }
.cfg-brand-sub  { font-size: 9px; color: var(--cfg-text-f); text-transform: uppercase; letter-spacing: .06em; }
.cfg-topbar-sep { width: 1px; height: 24px; background: var(--cfg-border); flex-shrink: 0; margin: 0 3px; }
.cfg-topbar-spacer { flex: 1; }
.cfg-topbar-group { display: flex; gap: 3px; align-items: center; }

/* ── Buttons ──────────────────────────────────────────────────── */
.cfg-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 5px 10px; border-radius: var(--r-sm);
  border: 1px solid var(--cfg-border-l);
  background: var(--cfg-panel-alt); color: var(--cfg-text);
  font-size: 11px; font-weight: 600; cursor: pointer;
  white-space: nowrap; transition: background .1s, border-color .1s;
}
.cfg-btn:hover       { background: var(--cfg-hover); }
.cfg-btn.active      { background: var(--cfg-blue); border-color: var(--cfg-blue); color: #fff; }
.cfg-btn--primary    { background: var(--cfg-brand); border-color: var(--cfg-brand); color: #fff; }
.cfg-btn--primary:hover { background: var(--cfg-brand-l); }
.cfg-btn--danger     { background: rgba(220,38,38,.15); border-color: rgba(220,38,38,.4); color: #f87171; }
.cfg-btn--icon       { padding: 5px; min-width: 30px; justify-content: center; }
.cfg-btn--icon svg   { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ── Shell ────────────────────────────────────────────────────── */
.cfg-shell {
  display: flex; flex: 1; overflow: hidden; min-height: 0;
}

/* ── Left sidebar ─────────────────────────────────────────────── */
.cfg-sidebar {
  width: var(--cfg-sidebar-w); min-width: 220px;
  display: flex; flex-direction: column;
  background: var(--cfg-panel);
  border-right: 1px solid var(--cfg-border);
  overflow: hidden; flex-shrink: 0;
}
.cfg-sidebar-section {
  padding: 10px; border-bottom: 1px solid var(--cfg-border); flex-shrink: 0;
}
.cfg-section-label {
  font-size: 9px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--cfg-text-f); margin-bottom: 6px;
}
.cfg-template-row { display: flex; gap: 6px; }
.cfg-template-row select { flex: 1; }
.cfg-search-wrap { position: relative; }
.cfg-search-wrap input { padding-left: 28px; }
.cfg-search-wrap::before {
  content: ''; position: absolute; left: 9px; top: 50%; transform: translateY(-50%);
  width: 12px; height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%234e617c' stroke-width='1.8'%3E%3Ccircle cx='6.5' cy='6.5' r='4'/%3E%3Cpath d='m11 11 3 3'/%3E%3C/svg%3E") center/contain no-repeat;
}
.cfg-lib-scroll { flex: 1; overflow-y: auto; }
.cfg-cat-group   { border-bottom: 1px solid var(--cfg-border); }
.cfg-cat-header  {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 10px; cursor: pointer; user-select: none; list-style: none;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--cfg-text-m);
}
.cfg-cat-header::-webkit-details-marker { display: none; }
.cfg-cat-header:hover { background: var(--cfg-hover); color: var(--cfg-text); }
.cfg-cat-group[open] .cfg-cat-header { color: var(--cfg-text); }
.cfg-cat-icon { width: 14px; height: 14px; flex-shrink: 0; }
.cfg-cat-icon svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; }
.cfg-cat-count { margin-left: auto; background: var(--cfg-active); color: var(--cfg-text-f); font-size: 9px; border-radius: 8px; padding: 1px 5px; }
.cfg-cat-items { padding: 2px 0 4px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; padding: 6px 8px; }
.cfg-lib-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 8px 4px; border-radius: var(--r-sm);
  cursor: grab; border: 1px solid transparent;
  transition: background .1s, border-color .1s; text-align: center;
}
.cfg-lib-item:hover { background: var(--cfg-hover); border-color: var(--cfg-border-l); }
.cfg-lib-item.dragging { opacity: .5; cursor: grabbing; }
.cfg-lib-icon {
  width: 36px; height: 36px; background: var(--cfg-active); border-radius: 6px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.cfg-lib-icon svg { width: 20px; height: 20px; stroke: var(--cfg-accent); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.cfg-lib-name { font-size: 10px; color: var(--cfg-text-m); line-height: 1.2; }
.cfg-lib-item:hover .cfg-lib-name { color: var(--cfg-text); }

/* ── Canvas workspace ─────────────────────────────────────────── */
.cfg-workspace {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column;
  background: var(--cfg-bg); overflow: hidden;
}
.cfg-toolbar {
  display: flex; align-items: center; gap: 3px;
  height: var(--cfg-toolbar-h); padding: 0 8px;
  background: var(--cfg-panel); border-bottom: 1px solid var(--cfg-border);
  flex-shrink: 0; overflow-x: auto; scrollbar-width: none;
}
.cfg-toolbar::-webkit-scrollbar { display: none; }
.cfg-toolbar-sep { width: 1px; height: 22px; background: var(--cfg-border); margin: 0 2px; flex-shrink: 0; }
.cfg-toolbar-spacer { flex: 1; }
.cfg-zoom-label { font-size: 11px; color: var(--cfg-text-m); min-width: 38px; text-align: center; font-variant-numeric: tabular-nums; }
.cfg-scale-label { font-size: 11px; color: var(--cfg-text-f); }

.cfg-validation-bar {
  display: flex; align-items: center; gap: 6px; flex-shrink: 0;
  padding: 4px 12px; font-size: 11px; flex-wrap: wrap;
}
.cfg-validation-bar--warn { background: rgba(217,119,6,.12); color: #fbbf24; }
.cfg-validation-bar--error { background: rgba(220,38,38,.12); color: #f87171; }

.cfg-drawing-board {
  flex: 1; overflow: auto;
  display: flex; flex-direction: column; gap: 8px; padding: 12px;
  scrollbar-width: thin; scrollbar-color: var(--cfg-border) transparent;
}
.cfg-view-block {
  background: var(--cfg-panel); border: 1px solid var(--cfg-border);
  border-radius: var(--r); overflow: hidden; flex-shrink: 0;
}
.cfg-view-header {
  display: flex; align-items: center; gap: 6px; padding: 5px 10px;
  border-bottom: 1px solid var(--cfg-border);
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--cfg-text-f);
}
.cfg-view-hint {
  font-size: 9px; font-weight: 400; background: var(--cfg-active);
  border-radius: 3px; padding: 1px 5px; color: var(--cfg-text-m);
}
.cfg-expand-btn {
  margin-left: auto; background: transparent; border: none;
  color: var(--cfg-text-f); font-size: 12px; cursor: pointer;
  padding: 1px 5px; border-radius: 3px;
}
.cfg-expand-btn:hover { background: var(--cfg-hover); color: var(--cfg-text); }
.cfg-canvas-wrap { position: relative; overflow: hidden; }
.cfg-top-wrap { height: 420px; }
#twomc-top-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; outline: none; cursor: default; }
.cfg-elev-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cfg-view-block.cfg-expanded { grid-column: 1 / -1 !important; }
.cfg-canvas-wrap canvas { display: block; }

/* Elevation canvas wraps allow horizontal scroll */
.cfg-elev-row .cfg-canvas-wrap {
  overflow-x: auto; overflow-y: hidden;
  scrollbar-width: thin; scrollbar-color: var(--cfg-border) transparent;
}

/* Interior / Exterior view tabs */
.cfg-view-tabs-bar {
  display: flex; flex-shrink: 0;
  border-bottom: 1px solid var(--cfg-border);
  background: var(--cfg-panel);
}
.cfg-view-tab {
  padding: 6px 18px; border: none; background: transparent;
  color: var(--cfg-text-f); font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; cursor: pointer;
  border-bottom: 2px solid transparent; transition: color .12s, border-color .12s;
}
.cfg-view-tab:hover { color: var(--cfg-text-m); }
.cfg-view-tab.active { color: var(--cfg-text); border-bottom-color: var(--cfg-accent); }

/* Hide top view when exterior tab is active */
.cfg-drawing-board[data-active-vtab="exterior"] .cfg-interior-only {
  display: none;
}

/* ── Right panel ──────────────────────────────────────────────── */
.cfg-right-panel {
  width: var(--cfg-props-w); min-width: 260px;
  display: flex; flex-direction: column;
  background: var(--cfg-panel); border-left: 1px solid var(--cfg-border);
  overflow: hidden; flex-shrink: 0;
}
.cfg-panel-tabs {
  display: flex; border-bottom: 1px solid var(--cfg-border); flex-shrink: 0;
}
.cfg-panel-tab {
  flex: 1; padding: 8px; border: none; background: transparent;
  color: var(--cfg-text-f); font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; cursor: pointer;
  border-bottom: 2px solid transparent; transition: color .1s, border-color .1s;
}
.cfg-panel-tab:hover { color: var(--cfg-text-m); }
.cfg-panel-tab.active { color: var(--cfg-text); border-bottom-color: var(--cfg-accent); }
.cfg-panel-pane { display: none; flex: 1; flex-direction: column; overflow-y: auto; }
.cfg-panel-pane.active { display: flex; }

/* ── Property panel ───────────────────────────────────────────── */
#twomc-property-panel { padding: 10px; }
.cfg-prop-section  { margin-bottom: 12px; }
.cfg-prop-title    { font-size: 12px; font-weight: 700; color: var(--cfg-text); margin-bottom: 7px; }
.cfg-prop-label    { display: block; font-size: 9px; color: var(--cfg-text-f); margin: 6px 0 3px; text-transform: uppercase; letter-spacing: .04em; }
.cfg-prop-input    { width: 100%; }
.cfg-prop-textarea { min-height: 52px; resize: vertical; }
.cfg-prop-toggle   { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--cfg-text-m); padding: 3px 0; cursor: pointer; }
.cfg-prop-toggle input[type=checkbox] { width: auto; accent-color: var(--cfg-accent); }
.cfg-prop-grid2    { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.cfg-prop-grid3    { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 5px; }
.cfg-prop-badge    { display: inline-block; background: var(--cfg-active); border-radius: 3px; padding: 2px 6px; font-size: 9px; color: var(--cfg-text-f); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.cfg-dims-row      { font-size: 10px; color: var(--cfg-text-f); margin-bottom: 6px; line-height: 1.7; }
.cfg-prop-actions  { display: flex; gap: 5px; margin-top: 8px; }

/* Container select overlay */
.cfg-container-select {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; background: rgba(15,22,35,.92); z-index: 100;
  pointer-events: auto;
}
.cfg-container-select h2 { font-size: 18px; font-weight: 700; color: var(--cfg-text); }
.cfg-container-select p  { color: var(--cfg-text-m); font-size: 13px; }
.cfg-container-options {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}
.cfg-container-card {
  background: var(--cfg-panel-alt); border: 2px solid var(--cfg-border-l);
  border-radius: var(--r); padding: 16px 20px; cursor: pointer;
  text-align: center; min-width: 120px; transition: border-color .12s, background .12s;
}
.cfg-container-card:hover { border-color: var(--cfg-accent); background: var(--cfg-hover); }
.cfg-container-card svg   { width: 48px; height: 32px; stroke: var(--cfg-accent); fill: none; stroke-width: 1.5; margin: 0 auto 8px; }
.cfg-container-card .size { font-size: 14px; font-weight: 700; color: var(--cfg-text); }
.cfg-container-card .desc { font-size: 10px; color: var(--cfg-text-m); margin-top: 3px; }

/* Custom size inputs */
.cfg-custom-dims { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: center; }
.cfg-custom-dims label { font-size: 11px; color: var(--cfg-text-m); }
.cfg-custom-dims input { width: 72px; }

/* ── Inputs ───────────────────────────────────────────────────── */
#twomc-configurator input,
#twomc-configurator select,
#twomc-configurator textarea {
  width: 100%; background: var(--cfg-bg);
  border: 1px solid var(--cfg-border); border-radius: var(--r-sm);
  color: var(--cfg-text); padding: 5px 8px; font-size: 11px;
  outline: none; transition: border-color .12s;
}
#twomc-configurator input:focus,
#twomc-configurator select:focus,
#twomc-configurator textarea:focus { border-color: var(--cfg-blue); }
#twomc-configurator input::placeholder,
#twomc-configurator textarea::placeholder { color: var(--cfg-text-f); }
#twomc-configurator select option { background: var(--cfg-panel); }

/* ── BOM ──────────────────────────────────────────────────────── */
.cfg-bom-wrap  { flex: 1; overflow-y: auto; padding: 8px; }
.cfg-bom-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.cfg-bom-table thead th { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--cfg-text-f); padding: 5px 4px; border-bottom: 1px solid var(--cfg-border); text-align: left; }
.cfg-bom-table tr { border-bottom: 1px solid var(--cfg-border); }
.cfg-bom-table tr:hover td { background: var(--cfg-hover); }
.cfg-bom-qty  { width: 26px; color: var(--cfg-text-m); padding: 4px 3px; font-variant-numeric: tabular-nums; text-align: right; }
.cfg-bom-name { padding: 4px 3px; }
.cfg-bom-name strong { color: var(--cfg-text); font-weight: 600; display: block; }
.cfg-bom-dims { font-size: 9px; color: var(--cfg-text-f); }
.cfg-bom-acts { text-align: right; white-space: nowrap; padding: 4px 3px; }
.cfg-bom-btn  { background: transparent; border: 1px solid var(--cfg-border); border-radius: 3px; color: var(--cfg-text-f); font-size: 10px; padding: 1px 4px; cursor: pointer; margin-left: 2px; transition: background .1s, color .1s; }
.cfg-bom-cfg:hover { background: var(--cfg-hover); color: var(--cfg-accent); }
.cfg-bom-del:hover { background: rgba(220,38,38,.15); color: #f87171; border-color: rgba(220,38,38,.4); }
.cfg-bom-empty { text-align: center; color: var(--cfg-text-f); padding: 16px; font-size: 11px; }
.cfg-bom-footer { display: flex; align-items: center; justify-content: space-between; padding: 6px 8px; border-top: 1px solid var(--cfg-border); font-size: 11px; color: var(--cfg-text-f); flex-shrink: 0; }

/* Color presets */
.cfg-color-row     { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.cfg-color-presets { display: flex; gap: 4px; flex-wrap: wrap; }
.cfg-color-swatch  { width: 18px; height: 18px; border-radius: 3px; cursor: pointer; border: 2px solid var(--cfg-border); transition: transform .1s, border-color .1s; }
.cfg-color-swatch:hover { transform: scale(1.25); border-color: var(--cfg-accent); }

/* ── Status bar ───────────────────────────────────────────────── */
.cfg-statusbar {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
  height: var(--cfg-status-h); padding: 0 10px;
  background: var(--cfg-panel); border-top: 1px solid var(--cfg-border);
  font-size: 10px; color: var(--cfg-text-f); font-variant-numeric: tabular-nums;
}
.cfg-status-item + .cfg-status-item { padding-left: 10px; border-left: 1px solid var(--cfg-border); }
.cfg-status-keys { margin-left: auto; font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Toast ────────────────────────────────────────────────────── */
.cfg-toast-wrap { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); z-index: 9999; pointer-events: none; display: flex; flex-direction: column; gap: 5px; align-items: center; }
.cfg-toast { background: var(--cfg-panel-alt); border: 1px solid var(--cfg-border-l); color: var(--cfg-text); padding: 7px 16px; border-radius: var(--r); font-size: 12px; opacity: 0; transform: translateY(6px); transition: opacity .2s, transform .2s; white-space: nowrap; }
.cfg-toast.show { opacity: 1; transform: translateY(0); }
.cfg-toast--success { border-color: rgba(22,163,74,.4); color: #4ade80; }
.cfg-toast--error   { border-color: rgba(220,38,38,.4); color: #f87171; }
.cfg-toast--warning { border-color: rgba(217,119,6,.4);  color: #fbbf24; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1100px) {
  :root { --cfg-props-w: 0px; }
  .cfg-right-panel { display: none; }
}
@media (max-width: 720px) {
  :root { --cfg-sidebar-w: 0px; }
  .cfg-sidebar { display: none; }
  .cfg-elev-row { grid-template-columns: 1fr; }
}
@media print {
  .cfg-topbar, .cfg-sidebar, .cfg-right-panel, .cfg-statusbar, .cfg-toolbar { display: none !important; }
  .cfg-drawing-board { padding: 0; overflow: visible; }
}

/* Scrollbars */
#twomc-configurator * { scrollbar-width: thin; scrollbar-color: var(--cfg-border) transparent; }
#twomc-configurator *::-webkit-scrollbar { width: 4px; height: 4px; }
#twomc-configurator *::-webkit-scrollbar-thumb { background: var(--cfg-border); border-radius: 2px; }