* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.85), transparent 24%),
    linear-gradient(180deg, rgba(255,255,255,0.25), rgba(255,255,255,0)),
    var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  font-size: 13px;
  overflow: hidden;
}
button, input, textarea, select { font: inherit; }
button { border: 0; cursor: pointer; }
input, textarea, select { outline: none; }

.app-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}
.btn-inline-icon {
  width: 15px;
  height: 15px;
}

.hidden { display: none !important; }

.app-shell {
  --nav-track: var(--sidebar-width);
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, var(--nav-track)) minmax(0, 1fr);
  transition: grid-template-columns 0.24s ease;
  overflow: hidden;
}

.app-shell.nav-hidden {
  --nav-track: 0px;
}

.app-shell.nav-collapsed {
  --nav-track: 88px;
}

.workspace-shell {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  height: 100dvh;
  justify-self: stretch;
  align-self: stretch;
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.app-window,
.topbar,
.statusbar,
.panel-card,
.table-card,
.drawings-shell-card,
.empty-state-card,
.app-dialog .dialog-card {
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(217, 224, 232, 0.98);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
}

.app-window {
  border-radius: 24px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  min-height: 0;
  transition: width 0.24s ease, padding 0.24s ease, opacity 0.2s ease, transform 0.2s ease;
  overflow: hidden;
}

.app-window.hidden-window {
  display: none !important;
}

.window-header,
.section-head,
.statusbar,
.topbar,
.project-card-top,
.project-foot,
.key-row,
.mini-list-item,
.inline-tools,
.dialog-actions,
.action-row,
.topbar-tools,
.topbar-left,
.topbar-right,
.window-title-group,
.window-actions,
.projects-toolbar,
.split-actions,
.toolbar-group,
.toolbar-meta,
.sidebar-header,
.workspace-switcher {
  display: flex;
  align-items: center;
  gap: 10px;
}

.window-header,
.section-head,
.statusbar,
.topbar,
.project-card-top,
.project-foot,
.key-row,
.mini-list-item,
.projects-toolbar,
.split-actions {
  justify-content: space-between;
}

.window-title-group { align-items: flex-start; }
.window-title-group h3,
.window-title-group h4,
.window-title-group strong,
.page-title,
.brand-title,
.panel-card h4,
.table-card h4,
.empty-state-card h3,
.dialog-card h4,
.project-card h4 {
  margin: 0;
  letter-spacing: -0.03em;
}

.window-title-icon,
.nav-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
}

.window-body,
.dashboard-grid,
.command-grid,
.form-grid,
.scope-band-grid,
.project-board,
.flow-strip,
.key-rows,
.mini-list,
.breakdown-list,
.sub-panel-grid,
.summary-meta-stack,
.workspace-grid,
.takeoff-layout,
.drawings-layout {
  display: grid;
  gap: 12px;
}

.main-column {
  display: grid;
  gap: 12px;
  min-height: 0;
  height: 100%;
  overflow: auto;
  align-content: start;
  padding-right: 2px;
}

.sidebar-window {
  position: relative;
  height: 100dvh;
  min-height: 100dvh;
  border-radius: 0;
  border-left: 0;
  border-top: 0;
  border-bottom: 0;
  border-right: 1px solid rgba(201,210,221,0.88);
  padding: 18px 14px;
  background: rgba(255,255,255,0.78);
  overflow: hidden;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0a5dda, #3b7cff);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 16px 34px rgba(24, 73, 182, 0.22);
}

.brand-copy { min-width: 0; }
.brand-title { font-size: 16px; }
.brand-subtitle,
.eyebrow,
.field-label,
.mini-label,
.footer-note span,
.project-meta,
.key-row span,
.mini-list-item span,
.command-card span,
.scope-chip span,
.hero-metric span,
.sub-metric-card span,
.canvas-overlay-note,
.table-footer-note,
.window-menu-item span:last-child {
  color: var(--text-soft);
}

.brand-subtitle,
.eyebrow,
.field-label,
.mini-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
  font-weight: 700;
}

.nav-list { display: grid; gap: 8px; }
.nav-item,
.toolbar-btn,
.ghost-chip,
.section-item,
.icon-tool,
.window-tab,
.window-menu-item {
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}

.nav-item,
.toolbar-btn,
.section-item,
.window-tab,
.window-menu-item,
.primary-btn,
.ghost-btn,
.ghost-chip,
.admin-access-btn,
.command-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.nav-item,
.toolbar-btn,
.window-tab,
.window-menu-item,
.ghost-chip,
.primary-btn,
.ghost-btn,
.command-card,
.section-item,
.admin-access-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  padding: 12px 13px;
  text-align: left;
  font-weight: 700;
}

.nav-item:hover,
.nav-item.active,
.toolbar-btn:hover,
.ghost-chip:hover,
.section-item:hover,
.command-card:hover,
.window-tab:hover,
.window-menu-item:hover,
.admin-access-btn:hover,
.primary-btn:hover,
.ghost-btn:hover,
.project-card:hover,
.icon-tool:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
  border-color: var(--border-strong);
}

.nav-item.active,
.window-tab.active,
.section-item.active,
.scope-chip.active {
  background: var(--accent-soft);
  border-color: rgba(33, 84, 206, 0.18);
}

.nav-label { white-space: nowrap; }

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 12px;
}
.sidebar-body,
.sections-window .window-body,
.side-window .window-body,
.tools-window .window-body {
  min-height: 0;
  overflow: auto;
}

.main-stage {
  container-type: inline-size;
  min-height: 0;
  overflow: hidden;
}

.admin-access-btn,
.footer-note {
  width: 100%;
  border-radius: 14px;
  padding: 12px 14px;
  text-align: left;
}

.footer-note strong { font-size: 13px; }

.topbar,
.statusbar {
  border-radius: 22px;
  padding: 14px 16px;
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
}

.topbar-right { justify-content: flex-end; }
.topbar-center { display: flex; justify-content: center; }
.page-title { font-size: 22px; }

.topbar-search-wrap { width: min(360px, 36vw); }
.topbar-search,
.field-input {
  width: 100%;
  border-radius: 14px;
  padding: 11px 13px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}

.topbar-search:focus,
.field-input:focus {
  border-color: rgba(33, 84, 206, 0.42);
  box-shadow: 0 0 0 4px rgba(45, 91, 219, 0.08);
}

.workspace-switcher {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 4px;
}

.switcher-btn {
  min-width: 88px;
  padding: 9px 16px;
  border-radius: 12px;
  background: transparent;
  font-weight: 700;
  color: var(--text-soft);
}

.switcher-btn.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 6px 18px rgba(18, 28, 45, 0.05);
}

.icon-tool {
  min-width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
}
.icon-tool.compact {
  min-width: 34px;
  height: 34px;
}

.primary-btn,
.ghost-btn {
  padding: 11px 14px;
  border-radius: 14px;
  font-weight: 700;
}

.primary-btn {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 14px 28px rgba(41, 80, 188, 0.2);
}

.ghost-btn,
.ghost-chip,
.command-card,
.toolbar-btn,
.section-item,
.window-tab,
.window-menu-item,
.admin-access-btn {
  background: #fff;
  color: var(--text);
}

.ghost-chip,
.toolbar-btn,
.window-tab,
.window-menu-item {
  padding: 8px 12px;
  font-weight: 600;
}

.window-menu-popover {
  position: absolute;
  top: 88px;
  right: 18px;
  z-index: 30;
  width: 250px;
  padding: 8px;
  border-radius: 18px;
  background: rgba(255,255,255,0.94);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.window-menu-popover.hidden { display: none; }
.window-menu-item {
  width: 100%;
  justify-content: flex-start;
  padding: 10px 12px;
  margin-bottom: 6px;
}
.window-menu-item:last-child { margin-bottom: 0; }
.window-menu-divider { height: 1px; background: var(--border); margin: 6px 0; }

.tools-window .window-body,
.sections-window .window-body,
.side-window .window-body {
  min-height: 0;
}

.tools-window.collapsed .window-body,
.sections-window.collapsed .window-body,
.side-window.collapsed .window-body,
.side-window.collapsed .window-tabs,
.sidebar-window.collapsed .brand-copy,
.sidebar-window.collapsed .nav-label,
.sidebar-window.collapsed .sidebar-footer .footer-note,
.sidebar-window.collapsed .admin-access-btn span {
  display: none;
}

.sidebar-window.collapsed {
  padding-inline: 10px;
}

.sidebar-window.collapsed .nav-item {
  justify-content: center;
  padding-inline: 0;
}

.sidebar-window.collapsed .brand-block,
.sidebar-window.collapsed .sidebar-header,
.sidebar-window.collapsed .sidebar-footer {
  justify-content: center;
}

.tools-window.collapsed {
  padding-block: 10px;
}

.tools-window.collapsed .window-title-group h3,
.tools-window.collapsed .window-title-group .eyebrow,
.sections-window.collapsed .window-title-group h3,
.sections-window.collapsed .window-title-group .eyebrow,
.side-window.collapsed .window-title-group h3,
.side-window.collapsed .window-title-group .eyebrow {
  display: none;
}

.sections-window.collapsed,
.side-window.collapsed {
  padding-inline: 10px;
}

.sections-window.collapsed .window-header,
.side-window.collapsed .window-header {
  min-height: 100%;
  align-items: center;
  justify-content: space-between;
}

.sections-window.collapsed .window-title-group,
.side-window.collapsed .window-title-group {
  align-items: center;
}

.toolbar-pill,
.badge,
.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}
.toolbar-pill,
.meta-pill { background: var(--surface-soft); border: 1px solid var(--border); }
.badge { border: 1px solid transparent; }
.success-badge { background: rgba(31,157,101,.12); color: var(--success); border-color: rgba(31,157,101,.16); }
.warning-badge { background: rgba(201,135,32,.12); color: var(--warning); border-color: rgba(201,135,32,.16); }
.neutral-badge { background: rgba(106,118,133,.10); color: var(--text-soft); border-color: rgba(106,118,133,.10); }
.danger-badge { background: rgba(209,66,66,.12); color: var(--danger); border-color: rgba(209,66,66,.16); }

.content-shell {
  --sections-track: 240px;
  --side-track: var(--assistant-width);
  width: 100%;
  max-width: 100%;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, var(--sections-track)) minmax(0, 1fr) minmax(0, var(--side-track));
  gap: 14px;
  align-items: stretch;
  transition: grid-template-columns 0.24s ease;
  overflow: hidden;
}

.content-shell.sections-hidden { --sections-track: 0px; }
.content-shell.sections-collapsed { --sections-track: 74px; }
.content-shell.side-hidden { --side-track: 0px; }
.content-shell.side-collapsed { --side-track: 74px; }

.sections-window,
.side-window,
.main-stage {
  height: 100%;
  min-height: 0;
}

.topbar,
.tools-window,
.statusbar,
.main-stage,
.main-column {
  width: 100%;
  max-width: 100%;
}

.main-stage { min-width: 0; }
.main-column { min-width: 0; }

.statusbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  flex-shrink: 0;
}

.statusbar-left,
.statusbar-right { display: flex; align-items: center; gap: 8px; }
.statusbar-center { justify-self: center; color: var(--text-soft); }
.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--warning);
  box-shadow: 0 0 0 4px rgba(201,135,32,.12);
}
.status-indicator.connected {
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(31,157,101,.12);
}

.panel-card,
.table-card,
.empty-state-card,
.drawings-shell-card,
.dialog-card {
  min-width: 0;
  border-radius: 24px;
  padding: 16px;
}

.dashboard-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.span-4 { grid-column: span 4; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }
.single-surface-shell { display: grid; gap: 12px; }

.command-grid { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.compact-command-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.command-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--border);
  text-align: left;
  justify-content: flex-start;
  flex-direction: row;
}
.command-card span { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 6px; }
.command-card strong { font-size: 13px; color: var(--text); }

.command-card strong,
.mini-list-item strong,
.project-card h4,
.hero-metric strong,
.sub-metric-card strong {
  overflow-wrap: anywhere;
}

.hero-metric,
.sub-metric-card,
.dock-section,
.empty-state-card {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
}
.studio-hero-grid { display: grid; grid-template-columns: 1fr 280px; gap: 14px; }
.studio-hero-copy { margin: 0; color: var(--text-soft); max-width: 62ch; }
.studio-hero-metrics { display: grid; gap: 10px; }
.hero-metric strong,
.sub-metric-card strong { font-size: 14px; }
.flow-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.flow-step {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  font-weight: 700;
}
.flow-step.active { background: var(--accent-soft); border-color: rgba(33,84,206,.2); }
.flow-step span {
  width: 22px; height: 22px; border-radius: 50%; background: #fff; display: grid; place-items: center; font-size: 11px;
}

.key-rows,
.mini-list,
.summary-meta-stack { gap: 10px; }
.key-row,
.mini-list-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.key-row:last-child,
.mini-list-item:last-child { border-bottom: 0; }
.key-row.total strong,
.key-row.total span { color: var(--text); font-weight: 800; }
.big-number { font-size: 26px; font-weight: 800; letter-spacing: -0.04em; }
.compact-big { font-size: 20px; }

.projects-toolbar { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-bottom: 12px; }
.project-board { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.project-card {
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(217, 224, 232, 0.98);
  box-shadow: var(--shadow-sm);
  border-radius: 20px;
  padding: 15px;
  text-align: left;
}
.project-card h4 { font-size: 16px; margin: 14px 0 8px; }
.project-type { color: var(--text-faint); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; }
.project-meta { margin: 0 0 14px; }
.skeleton-card .skeleton-line {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f0f4f8, #e4ebf1, #f0f4f8);
}
.skeleton-card .skeleton-line.short { width: 32%; }
.skeleton-card .skeleton-line.medium { width: 58%; }

.takeoff-layout { gap: 14px; }
.project-banner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  background: linear-gradient(180deg, #fbfcff, #f4f7fb);
}
.scope-band-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.scope-chip {
  width: 100%;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  text-align: left;
  display: grid;
  gap: 6px;
}
.form-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.span-2 { grid-column: span 2; }
.span-4 { grid-column: span 4; }
.field-group { display: grid; gap: 8px; }
.field-area { min-height: 96px; resize: vertical; }
.multi-inline { display: flex; gap: 8px; flex-wrap: wrap; }
.sub-panel { background: linear-gradient(180deg, #fbfcff, #f4f7fb); border: 1px solid var(--border); border-radius: 18px; padding: 14px; }
.sub-panel-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.sub-metric-card { display: grid; gap: 4px; }

.boq-meta-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.table-wrap { overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th,
.data-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 12px;
}
.data-table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}
.data-table tbody tr:hover { background: rgba(241,246,255,.6); }
.boq-scroll { max-height: 560px; }

.drawings-canvas-wrap {
  background: #fff;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 660px;
  border-radius: 22px;
  border: 1px solid var(--border);
}
.drawings-canvas-top,
.drawings-command-line {
  margin: 12px;
  padding: 10px 12px;
  font-weight: 700;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
}
.drawings-command-line { display: flex; gap: 18px; color: var(--text-soft); }
.drawings-canvas {
  margin: 0 12px 12px;
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--border);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.7), rgba(255,255,255,0.7)),
    linear-gradient(90deg, rgba(223,229,237,0.7) 1px, transparent 1px),
    linear-gradient(180deg, rgba(223,229,237,0.7) 1px, transparent 1px);
  background-size: auto, 28px 28px, 28px 28px;
  min-height: 520px;
}
.canvas-grid { position: absolute; inset: 0; }
.canvas-watermark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--text-faint);
  font-size: 18px;
  letter-spacing: 0.08em;
}
.canvas-overlay-note {
  position: absolute;
  left: 18px;
  bottom: 18px;
  max-width: 300px;
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
}

.chart-placeholder {
  min-height: 220px;
  display: grid;
  place-items: center;
  color: var(--text-faint);
  border: 1px dashed var(--border-strong);
  border-radius: 18px;
  background: var(--surface-soft);
}

.window-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.window-tab { justify-content: center; }
.window-section-list .section-item { width: 100%; justify-content: flex-start; }
.dock-section p { margin: 0; color: var(--text-soft); }

.app-dialog { border: 0; padding: 0; background: transparent; }
.app-dialog::backdrop { background: rgba(15, 23, 36, 0.22); }
.dialog-card { width: min(760px, calc(100vw - 32px)); }
.dialog-actions { justify-content: flex-end; margin-top: 10px; }

.app-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  min-width: 220px;
  max-width: 360px;
  padding: 13px 14px;
  border-radius: 16px;
  color: #fff;
  background: #17212c;
  box-shadow: var(--shadow);
  transform: translateY(14px);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
  z-index: 40;
}
.app-toast.show { transform: translateY(0); opacity: 1; }
.app-toast.success { background: #166c48; }
.app-toast.warning { background: #8f6118; }
.app-toast.danger { background: #962d2d; }

.mobile-only { display: none; }

@container (max-width: 1040px) {
  .dashboard-grid,
  .project-board,
  .command-grid,
  .compact-command-grid,
  .scope-band-grid,
  .sub-panel-grid,
  .flow-strip,
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .studio-hero-grid,
  .project-banner,
  .projects-toolbar {
    grid-template-columns: 1fr;
  }

  .span-4,
  .span-8,
  .span-12 {
    grid-column: 1 / -1;
  }
}

@container (max-width: 760px) {
  .dashboard-grid,
  .project-board,
  .command-grid,
  .compact-command-grid,
  .scope-band-grid,
  .sub-panel-grid,
  .flow-strip,
  .form-grid,
  .window-tabs,
  .projects-toolbar,
  .project-banner,
  .studio-hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1300px) {
  .content-shell { grid-template-columns: 220px minmax(0, 1fr) 320px; }
  .studio-hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1080px) {
  .app-shell,
  .app-shell.nav-collapsed,
  .app-shell.nav-hidden { grid-template-columns: 1fr; }
  .sidebar-window {
    position: fixed;
    z-index: 35;
    left: 18px;
    top: 18px;
    bottom: 18px;
    width: min(300px, calc(100vw - 36px));
    height: auto;
    min-height: auto;
    border-radius: 24px;
    transform: translateX(-120%);
  }
  .sidebar-window.open { transform: translateX(0); }
  .mobile-only { display: grid; }
  .content-shell { grid-template-columns: 1fr; }
  .sections-window,
  .side-window,
  .tools-window { min-height: auto; }
  .project-board,
  .scope-band-grid,
  .command-grid,
  .compact-command-grid,
  .sub-panel-grid,
  .dashboard-grid,
  .flow-strip,
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
  .span-4,
  .span-8,
  .span-12 { grid-column: span 12; }
  .topbar { grid-template-columns: 1fr; }
  .topbar-right { justify-content: stretch; flex-wrap: wrap; }
  .topbar-search-wrap { width: 100%; }
}

@media (max-width: 720px) {
  .workspace-shell { padding: 12px; }
  .project-board,
  .scope-band-grid,
  .command-grid,
  .compact-command-grid,
  .sub-panel-grid,
  .flow-strip,
  .form-grid,
  .window-tabs {
    grid-template-columns: 1fr;
  }
  .projects-toolbar { grid-template-columns: 1fr; }
  .project-banner { grid-template-columns: 1fr; }
  .statusbar { grid-template-columns: 1fr; }
  .statusbar-center { justify-self: start; }
}

.main-stage,
.panel-card,
.table-card,
.drawings-shell-card {
  min-width: 0;
}

@media (max-width: 1480px) {
  .content-shell:not(.sections-hidden):not(.side-hidden):not(.side-collapsed) {
    --side-track: 300px;
  }

  .studio-hero-grid {
    grid-template-columns: 1fr;
  }

  .project-board,
  .command-grid,
  .compact-command-grid,
  .scope-band-grid,
  .sub-panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1180px) {
  .content-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .sections-window,
  .side-window {
    min-height: auto;
  }

  .sections-window.hidden-window,
  .side-window.hidden-window {
    display: none;
  }
}