.admin-layout { display: grid; grid-template-columns: 225px minmax(0, 1fr) 176px; min-height: calc(100dvh - 143px); }
.admin-side { min-width: 0; border-color: var(--admin-line); }
.left-side { border-right: 1px solid var(--admin-line); }
.right-side { border-left: 1px solid var(--admin-line); }
.side-heading {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 4px;
  min-height: 52px;
  padding: 8px 4px;
  background: color-mix(in srgb, var(--role-color) 10%, var(--admin-header));
  border-bottom: 1px solid color-mix(in srgb, var(--role-color) 40%, var(--admin-line));
}
.side-heading strong { font-size: 12px; padding: 0 4px; overflow-wrap: anywhere; }
.right-side .side-heading { grid-template-columns: minmax(0, 1fr) 36px; }
.side-body { display: grid; grid-template-columns: 40px minmax(0, 1fr); }
.right-side .side-body { grid-template-columns: minmax(0, 1fr) 40px; }
.side-rail { display: flex; flex-direction: column; gap: 8px; padding: 8px 3px; }
#app .side-rail button { writing-mode: vertical-rl; transform: rotate(180deg); padding: 16px 6px; min-height: 168px; font-size: 12px; background: var(--admin-frost); }
#app .right-side .side-rail button { transform: none; }
.side-scroll { position: relative; max-height: calc(100dvh - 215px); min-height: 360px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--admin-line) transparent; overscroll-behavior: contain; padding: 10px 9px; }
.nav-section { padding: 2px 0 16px; }
.nav-section + .nav-section { border-top: 1px solid var(--admin-line); padding-top: 16px; }
#app .nav-section h2 { font-size: 12px; margin: 5px 0 12px; }
#app .phase-button, #app .design-button { width: 100%; text-align: left; margin-bottom: 7px; padding: 10px 8px; font-size: 12px; background: #ffffff1c; border-color: transparent; }
#app .phase-button small, #app .design-button small { display: block; margin-top: 5px; color: var(--admin-soft); font-size: 10px; line-height: 1.4; }
#app .phase-button.inactive { color: var(--admin-soft); border-style: dashed; border-color: var(--admin-line); }
.preparation-step { display: block; border-left: 1px solid var(--admin-line); margin: 5px 0 5px 12px; padding: 3px 0 3px 10px; font-size: 11px; line-height: 1.5; color: var(--admin-soft); }
#app[data-left-open="false"] .admin-layout { grid-template-columns: 42px minmax(0, 1fr) 176px; }
#app[data-right-open="false"] .admin-layout { grid-template-columns: 225px minmax(0, 1fr) 42px; }
#app[data-left-open="false"][data-right-open="false"] .admin-layout { grid-template-columns: 42px minmax(0, 1fr) 42px; }
#app[data-left-open="false"] .left-side .side-scroll,
#app[data-right-open="false"] .right-side .side-scroll,
#app[data-left-open="false"] .left-side .side-heading strong,
#app[data-right-open="false"] .right-side .side-heading strong { display: none; }
#app[data-left-open="false"] .left-side .side-body,
#app[data-right-open="false"] .right-side .side-body,
#app[data-right-open="false"] .right-side .side-heading { grid-template-columns: 40px; }
.admin-main { min-width: 0; max-width: none; width: 100%; padding: 22px; margin: 0; background: color-mix(in srgb, var(--admin-paper) 90%, transparent); }
.work-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.work-heading small { display: block; margin-bottom: 7px; font-size: 11px; letter-spacing: .04em; color: var(--admin-soft); }
.save-controls { display: flex; gap: 8px; flex-wrap: wrap; }
#app .save-controls button { font-size: 12px; }
.workspace-grid { display: grid; grid-template-columns: minmax(220px, .62fr) minmax(280px, 1.5fr); align-items: start; gap: 20px; }
.editor-panel { padding: 19px; background: var(--admin-surface); border: 1px solid var(--admin-line); border-radius: 13px; max-height: calc(100dvh - 250px); min-height: 300px; overflow-y: auto; scrollbar-width: thin; }
.preview-panel { min-width: 0; }
.preview-toolbar { display: flex; gap: 14px; align-items: center; justify-content: space-between; margin-bottom: 11px; font-size: 12px; }
.preview-toolbar label { display: flex; gap: 8px; align-items: center; }
#app .preview-toolbar select { font-size: 12px; max-width: 220px; }
.preview-stage { display: flex; align-items: flex-start; justify-content: center; min-width: 0; min-height: 300px; padding: 12px; border: 1px solid var(--admin-line); border-radius: 12px; background: color-mix(in srgb, var(--role-color) 9%, var(--admin-header)); overflow: hidden; }
#preview-device { width: 100%; min-width: 0; position: relative; border-radius: 7px; overflow: hidden; background: #111722; }
#product-preview { position: absolute; top: 0; left: 0; border: 0; transform-origin: top left; display: block; background: #111722; }
.preview-feedback { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 10px 1px; color: var(--admin-soft); font-size: 11px; }
#app .preview-feedback button { font-size: 11px; padding: 4px 7px; min-height: 29px; white-space: nowrap; }
.notice { background: var(--admin-surface); padding: 25px; border: 1px solid var(--admin-line); border-radius: 12px; max-width: 800px; }
.sound-settings { margin-top: 24px; padding-top: 14px; border-top: 1px solid var(--admin-line); font-size: 12px; }
.sound-settings summary { font-weight: 600; cursor: pointer; margin-bottom: 14px; }
.runtime-phase { padding: 14px 0; border-bottom: 1px solid var(--admin-line); }
.runtime-phase-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
#app .runtime-phase-heading select { font-size: 12px; max-width: 120px; }
.runtime-module { display: flex; align-items: center; justify-content: space-between; gap: 10px; border-left: 1px solid var(--admin-line); padding: 10px 0 8px 13px; margin-left: 8px; font-size: 12px; }
.runtime-module small { display: block; font-size: 10px; color: var(--admin-soft); margin-top: 5px; }
#app[data-mode="runtime"] .workspace-grid { grid-template-columns: minmax(300px, 1fr) minmax(300px, 1fr); }

@media (max-width: 1050px) {
  .workspace-grid, #app[data-mode="runtime"] .workspace-grid { grid-template-columns: minmax(0, 1fr); }
  .editor-panel { max-height: 420px; min-height: 0; }
  .work-heading { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 800px) {
  .admin-layout { grid-template-columns: 180px minmax(0, 1fr) 135px; }
  #app[data-left-open="false"] .admin-layout { grid-template-columns: 42px minmax(0, 1fr) 135px; }
  #app[data-right-open="false"] .admin-layout { grid-template-columns: 180px minmax(0, 1fr) 42px; }
  .admin-main { padding: 15px; }
  .preview-toolbar { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 620px) {
  .admin-layout, #app[data-left-open] .admin-layout,
  #app[data-right-open] .admin-layout,
  #app[data-left-open][data-right-open] .admin-layout { display: flex; flex-direction: column; }
  .side-scroll { max-height: 220px; min-height: 0; }
  .side-heading { min-height: 44px; }
  .side-body, .right-side .side-body { grid-template-columns: 40px 1fr; }
  .right-side .side-rail { grid-column: 1; grid-row: 1; }
  .right-side .side-scroll { grid-column: 2; }
  #app .side-rail button { min-height: 120px; padding: 10px 5px; }
  #app[data-left-open="false"] .left-side .side-body,
  #app[data-right-open="false"] .right-side .side-body { display: none; }
  .admin-side { border: 0; border-bottom: 1px solid var(--admin-line); }
  .admin-main { order: 2; }
  .right-side { order: 1; }
}