.starting-sand { display:flex; align-items:center; justify-content:space-between; gap:12px; margin:16px 0; font-size:13px; }
.starting-sand select,.workspace-panel select { min-height:40px; border:1px solid #cdd8ce; border-radius:8px; background:#fffdf6; padding:6px; color:inherit; }
.account-text-link { background:none; border:0; color:#306452; text-decoration:underline; padding:12px 0; text-align:left; cursor:pointer; }
.sidebar { overflow-y:auto; overflow-x:hidden; overscroll-behavior-y:contain; scrollbar-gutter:stable; }
.sidebar .tool-card,.sidebar .workspace-panel { flex-shrink:0; }
.sidebar .library-card { min-height:260px; flex:1 0 260px; }
#toolSeg { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:4px; background:none; }
#toolSeg button { display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:56px; padding:6px 2px; gap:5px; font-size:10px; border:1px solid transparent; }
#toolSeg button span:first-child { font-size:22px; line-height:22px; font-family:system-ui,sans-serif; }
#toolSeg button.active { color:#fff; background:#356650; border-color:#254c3c; box-shadow:inset 0 -3px #244734; }
.brush-control[hidden] { display:none; }
.workspace-panel { padding:14px; font-size:13px; }
.workspace-panel details+details { border-top:1px solid #dce2d6; margin-top:12px; padding-top:12px; }
.workspace-panel summary { cursor:pointer; font-weight:600; padding:6px 0; }
.workspace-panel label,.workspace-dialog label { display:grid; gap:6px; margin:12px 0; }
.workspace-panel input,.workspace-dialog input,.workspace-dialog textarea,.workspace-dialog select { width:100%; min-height:40px; border:1px solid #cbd7cd; background:#fffefa; border-radius:8px; color:inherit; padding:8px; font:inherit; }
.workspace-dialog textarea { min-height:90px; resize:vertical; }
.workspace-dialog input[type=checkbox] { width:auto; min-height:20px; }
.workspace-dialog { width:min(820px,calc(100vw - 24px)); max-height:90dvh; padding:24px; overflow:auto; border:1px solid #c8d3c7; border-radius:20px; background:#f8f8ef; color:#294738; }
.workspace-dialog::backdrop { background:#152f26a8; }
.workspace-dialog header { display:flex; justify-content:space-between; align-items:center; gap:12px; }
.workspace-dialog h2 { margin:0; font-size:21px; }
.workspace-dialog button,.workspace-panel button,.chosen-pager button { border:1px solid #b8cbbc; background:#edf2e6; color:#294d3b; border-radius:8px; min-height:40px; padding:8px 12px; cursor:pointer; }
.workspace-dialog button:disabled,.workspace-panel button:disabled { opacity:.5; cursor:default; }
.workspace-muted { font-size:12px; line-height:1.5; color:#627466; }
.workspace-row { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.workspace-row label { flex:1; min-width:120px; }
.workspace-user { padding:10px 0; border-bottom:1px solid #dce2d6; display:grid; gap:6px; }
.workspace-user small { display:block; color:#627466; }
.scene-quick { position:absolute; top:18px; right:18px; display:flex; gap:5px; z-index:3; }
.scene-role { align-self:center; font-size:11px; padding:0 8px; color:#315641; }
.workspace-dialog label.workspace-row { display:flex; }
.canvas-help { display:block; pointer-events:auto; max-width:480px; bottom:70px; background:#f8faf0eb; color:#34533e; padding:8px 12px; border-radius:10px; font-size:12px; }
.canvas-help p { margin:8px 0 0; line-height:1.5; }
.canvas-help summary { cursor:pointer; }
.file-actions { flex-wrap:wrap; max-width:calc(100% - 24px); }
.chosen-cards { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; padding:4px; align-content:start; scrollbar-width:thin; }
.chosen-cards .placed-object-row { display:block; position:relative; margin:0; border:1px solid #c4c9ad; border-radius:12px; background:#f5f2de; box-shadow:0 3px 8px #15382925; }
.chosen-cards .placed-object-row.active,.chosen-cards .placed-object-row:focus-within { outline:2px solid #3c7960; }
.chosen-cards .placed-object-select { width:100%; display:flex; flex-direction:column; min-height:164px; text-align:center; padding:12px 9px; gap:4px; }
.chosen-cards .placed-object-delete { position:absolute; right:1px; top:1px; background:#f5f2de; border-radius:8px; min-width:44px; min-height:44px; }
.chosen-cards .placed-object-name { max-width:110px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.chosen-thumbnail { display:grid; place-items:center; width:64px; height:64px; font-size:44px; color:#73987e; }
.chosen-thumbnail img,.chosen-thumbnail svg { width:100%; height:100%; object-fit:contain; }
.chosen-pager { grid-column:1 / -1; display:flex; align-items:center; justify-content:center; gap:12px; font-size:12px; text-align:center; padding:12px 0; }
.admin-indicator { display:grid; flex-shrink:0; gap:6px; font-size:11px; padding:12px; border:1px solid var(--line); border-radius:12px; background:var(--panel); }
.admin-indicator button { min-height:44px; border:1px solid #b8cbbc; border-radius:8px; background:#edf2e6; color:#294d3b; cursor:pointer; }
.admin-indicator[hidden] { display:none; }
.admin-indicator button[aria-pressed=true] { background:#dfd3ef; }
.stage-comparison { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.stage-comparison canvas { width:100%; background:#e9e8d6; border-radius:12px; }
.stage-comparison figure { margin:0; }
.stage-comparison figcaption { padding:8px; font-size:13px; overflow-wrap:anywhere; }
.stage-list { display:grid; gap:8px; padding:12px 0; }
.stage-entry { display:flex; flex-wrap:wrap; align-items:center; gap:8px; border-bottom:1px solid #dce2d6; padding:8px 0; }
.stage-entry strong { flex:1; min-width:100px; overflow-wrap:anywhere; }
.workspace-dialog :focus-visible,.workspace-panel :focus-visible,#toolSeg :focus-visible { outline:3px solid #56856e; outline-offset:2px; }
@media(max-width:700px) { .scene-quick { top:65px; right:10px; } .scene-quick button { font-size:11px; } .canvas-help { bottom:100px; left:10px; max-width:calc(100% - 20px); } .chosen-cards .placed-object-select { min-height:140px; } .chosen-thumbnail { height:48px; width:48px; } .stage-comparison { grid-template-columns:1fr; } .workspace-dialog { padding:16px; } }
@media(prefers-reduced-motion:reduce) { .chosen-cards .placed-object-row { transition:none; } }
@media(max-width:900px) {
  .sidebar { display:grid; grid-template-columns:140px minmax(0,1fr); align-content:start; overflow:auto; }
  .sidebar .tool-card { grid-column:1; grid-row:1; min-width:0; }
  .sidebar .library-card { grid-column:2; grid-row:1; min-width:0; min-height:290px; height:290px; }
  .sidebar .workspace-panel { grid-column:1 / -1; grid-row:2; min-width:0; }
  #toolSeg { grid-template-columns:repeat(2,minmax(0,1fr)); }
  #toolSeg button { min-height:48px; }
  .scene-quick { top:58px; left:8px; right:8px; justify-content:flex-end; }
  .scene-role { margin-right:auto; }
  .object-toolbar { top:104px; }
  .canvas-help { display:block; }
  .file-actions { gap:4px; }
  .file-actions button { min-height:36px; }
}
@media(max-width:900px) and (max-height:600px) and (orientation:landscape) {
  .app { grid-template-columns:220px minmax(0,1fr); grid-template-rows:minmax(0,1fr); }
  .sidebar { display:flex; flex-direction:column; }
  .sidebar .library-card { min-height:280px; flex-shrink:0; }
  #toolSeg { grid-template-columns:repeat(4,minmax(0,1fr)); }
  .canvas-help { bottom:52px; }
}

.tool-legend-button { display:block; width:100%; min-height:44px; margin-top:8px; border:1px solid var(--line); border-radius:9px; background:#f4f6ed; color:#365542; cursor:pointer; font:inherit; font-size:12px; }
.settings-button { min-width:44px; padding:8px 12px; font-size:22px; }
.tool-legend { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; margin:22px 0; }
.tool-legend > div { padding:14px; border:1px solid #dce2d6; border-radius:12px; }
.tool-legend dt { display:flex; align-items:center; gap:12px; }
.tool-legend dt > span { display:grid; place-items:center; flex:0 0 36px; height:36px; border-radius:9px; background:#356650; color:white; font-size:22px; }
.tool-legend dd { margin:10px 0 0; font-size:13px; line-height:1.6; }
.file-menu-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.file-menu-grid section { min-width:0; }
.file-menu-grid button { display:block; width:100%; margin:8px 0; text-align:left; min-height:44px; }
.file-menu-grid h3 { font-size:16px; margin-top:22px; }
.stl-dimensions { padding:12px; background:#e7eee2; border-radius:10px; font-size:13px; line-height:1.6; }
.stl-warning { padding:12px; border-left:3px solid #a58446; background:#f2eddd; font-size:13px; line-height:1.6; }
.stl-download-link { display:block; overflow-wrap:anywhere; color:#306452; padding:12px 0; }
.stl-download-link[hidden] { display:none; }
#stlForm select { min-width:0; }
#stlForm button { width:100%; min-height:44px; }
#stlForm label.workspace-row { display:grid; grid-template-columns:20px minmax(0,1fr); gap:10px; min-height:44px; }
#stlForm input[type=checkbox] { width:20px; height:20px; margin:0; }
.stl-scale-field { margin:16px 0; }
.stl-scale-heading { display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:center; gap:12px; }
.stl-scale-heading label { margin:0; line-height:1.5; }
.stl-scale-heading output { padding:5px 9px; border-radius:8px; background:#e7eee2; color:#294d3b; font-weight:600; font-variant-numeric:tabular-nums; white-space:nowrap; }
#stlForm input[type=range] { min-width:0; min-height:44px; height:44px; margin:0; padding:0; border:0; background:transparent; accent-color:#356650; cursor:pointer; touch-action:pan-y; }
#stlForm input[type=range]:disabled { opacity:.5; cursor:default; }
.stl-scale-limits { display:flex; justify-content:space-between; color:#627466; font-size:12px; font-variant-numeric:tabular-nums; }
#stlStatus { font-size:13px; overflow-wrap:anywhere; }
.catalog-tabs { flex-shrink:0; margin-bottom:14px; }
.catalog-tabs button { padding:10px; }
.catalog-library-panel { display:flex; flex-direction:column; flex:1; min-height:0; }
.catalog-dialog .placed-objects-panel { padding:4px; overflow:auto; overscroll-behavior:contain; }
.catalog-dialog .placed-objects-panel > * { flex-shrink:0; }
.catalog-dialog .placed-objects-list { flex:0 0 auto; overflow:visible; }
.catalog-dialog .placed-objects-panel .workspace-muted { margin:0 0 6px; }
.placed-filter-row { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.placed-filter-row select { flex:1; min-width:0; }
.placed-filter-row :is(select,button) { min-height:44px; border:1px solid var(--line); border-radius:9px; padding:8px 12px; background:#fffefa; color:var(--ink); font:inherit; font-size:13px; }
.placed-filter-row button { cursor:pointer; }
.placed-filter-row button:disabled { opacity:.55; cursor:default; }
@media(max-width:600px) {
  .tool-legend,.file-menu-grid { grid-template-columns:1fr; gap:12px; }
  .chosen-cards { grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; }
  .catalog-tabs button { font-size:12px; padding:8px; }
}