/* Nerulio Studio — full-viewport dark tool UI. Dense (12px), keyboard-first, no site chrome. */
:root{color-scheme:dark}
html,body.studio-page{margin:0;height:100%;overflow:hidden;background:#15171a;overscroll-behavior:none}
.studio-boot{position:fixed;inset:0;display:grid;place-items:center;color:#8a919b;font:13px system-ui,sans-serif;background:#15171a}
.studio-noscript{position:fixed;inset:auto 0 40% 0;text-align:center;color:#d7dae0;font:14px system-ui,sans-serif}
.studio{
 --bg-0:#131518;--bg-1:#1b1d21;--bg-2:#23262b;--bg-3:#2c3036;--bg-4:#353a41;--well:#101215;
 --line:#2c3036;--line-2:#3a3f47;--text:#d9dce1;--text-2:#9ea5af;--text-3:#6f7680;
 --accent:#4cc2ff;--accent-ink:#06121a;--sel:#ffc83d;--danger:#ff6b6b;--warn:#f0b43c;--info:#7fd3ff;
 --focus:0 0 0 2px #4cc2ff;--shadow:0 10px 30px rgba(0,0,0,.45),0 0 0 1px rgba(0,0,0,.4);
 --right-w:296px;--bottom-h:124px;--tool-w:40px;--top-h:30px;--status-h:22px;
 position:fixed;inset:0;display:grid;grid-template-rows:var(--top-h) minmax(0,1fr) var(--status-h);
 background:var(--bg-0);color:var(--text);font:12px/1.35 system-ui,-apple-system,"Segoe UI","Malgun Gothic","Apple SD Gothic Neo","Hiragino Sans","Yu Gothic UI","Noto Sans KR","Noto Sans JP",sans-serif;
 -webkit-font-smoothing:antialiased;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;
}
/* system-ui resolves to the OS UI font of the Windows locale: on Korean Windows that is Malgun Gothic, which then draws
   Japanese kana and kanji in Korean glyph shapes. Japanese gets Japanese UI fonts first. */
.studio:lang(ja){font-family:-apple-system,"Segoe UI","Yu Gothic UI","Hiragino Sans","Hiragino Kaku Gothic ProN",Meiryo,"Noto Sans JP",sans-serif}
.studio[data-theme="light"]{color-scheme:light;
 --bg-0:#e4e6ea;--bg-1:#f2f3f5;--bg-2:#e8eaee;--bg-3:#dcdfe4;--bg-4:#cfd3da;--well:#ffffff;
 --line:#d0d4da;--line-2:#bfc4cc;--text:#1d2025;--text-2:#4f5661;--text-3:#7a818c;--accent:#0a84c6;--accent-ink:#fff;--sel:#c98a00;--info:#0a6fa6}
.studio *{box-sizing:border-box}
.studio input,.studio textarea{user-select:text;-webkit-user-select:text}
.studio button{font:inherit;color:inherit}
.studio :focus{outline:none}
.studio :focus-visible{box-shadow:var(--focus);border-radius:3px}
.st-grow{flex:1 1 auto}
.st-muted{color:var(--text-2)}
.st-pad{padding:8px 10px;margin:0}
.st-error{color:var(--danger)}
/* ---------------------------------------------------------------- top bar */
.st-top{display:flex;align-items:center;gap:2px;padding:0 6px 0 4px;background:var(--bg-0);border-bottom:1px solid var(--line);min-width:0;position:relative}
.st-logo{display:grid;place-items:center;width:22px;height:22px;margin:0 4px 0 2px;border-radius:5px;background:linear-gradient(135deg,#4cc2ff,#7b6cff);color:#0b0d10;font-weight:800;font-size:12px;flex:none}
.st-menubar{display:flex;align-items:center;gap:1px;min-width:0}
.st-menu-trigger{height:24px;padding:0 8px;border:0;border-radius:4px;background:none;color:var(--text);cursor:default;white-space:nowrap}
.st-menu-trigger:hover,.st-menu-trigger.is-open{background:var(--bg-3)}
.st-ws-tabs{display:flex;align-items:center;gap:2px;margin-left:14px;padding:2px;border-radius:6px;background:var(--well);border:1px solid var(--line);min-width:0;overflow:hidden}
.st-ws-tab{height:22px;padding:0 10px;border:0;border-radius:4px;background:none;color:var(--text-2);white-space:nowrap;display:flex;align-items:center;gap:5px;cursor:pointer}
.st-ws-tab:hover{color:var(--text);background:var(--bg-2)}
.st-ws-tab[aria-selected="true"]{background:var(--bg-4);color:var(--text);box-shadow:inset 0 -2px 0 var(--accent)}
.st-ws-tab[aria-disabled="true"]{color:var(--text-3);cursor:not-allowed}
.st-ws-tab small{font-size:9px;padding:0 4px;border-radius:3px;background:var(--bg-2);color:var(--text-3);letter-spacing:.02em}
.st-project{max-width:240px;height:22px;padding:0 8px;border:1px solid transparent;border-radius:4px;background:none;color:var(--text);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:text}
.st-project:hover{border-color:var(--line-2)}
.st-save-state{font-size:11px;color:var(--text-2);white-space:nowrap;padding:0 6px 0 14px;position:relative}
.st-save-state::before{content:"";position:absolute;left:4px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--text-3)}
.st-save-state.is-dirty::before{background:var(--warn)}
.st-save-state.is-clean::before{background:var(--accent)}
.st-save-state.is-busy::before{background:var(--info);animation:st-pulse 1s infinite}
.st-save-state.is-error{color:var(--danger)}.st-save-state.is-error::before{background:var(--danger)}
@keyframes st-pulse{50%{opacity:.3}}
.studio.is-busy .st-top::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);background-size:40% 100%;background-repeat:no-repeat;animation:st-busy 1.1s linear infinite}
@keyframes st-busy{from{background-position:-40% 0}to{background-position:140% 0}}
.st-compact-only{display:none!important}
.st-icon-btn{display:inline-grid;place-items:center;width:24px;height:24px;padding:0;border:0;border-radius:4px;background:none;color:var(--text-2);cursor:pointer;flex:none}
.st-icon-btn:hover{background:var(--bg-3);color:var(--text)}
/* ---------------------------------------------------------------- body grid */
.st-body{display:grid;grid-template-columns:var(--tool-w) minmax(0,1fr) 4px var(--right-w);min-height:0}
.studio.right-closed .st-body{grid-template-columns:var(--tool-w) minmax(0,1fr) 0 0}
.studio.right-closed .st-dock-right{display:none}
.st-toolbar{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;background:var(--bg-1);border-right:1px solid var(--line);min-height:0}
.st-tool{width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:5px;background:none;color:var(--text-2);cursor:pointer;position:relative}
.st-tool:hover{background:var(--bg-3);color:var(--text)}
.st-tool[aria-pressed="true"]{background:var(--bg-4);color:var(--text);box-shadow:inset 2px 0 0 var(--accent)}
.st-tool svg{width:18px;height:18px}
.st-center{display:grid;grid-template-rows:minmax(0,1fr) 4px var(--bottom-h);min-width:0;min-height:0;background:var(--bg-1)}
.studio.bottom-closed .st-center{grid-template-rows:minmax(0,1fr) 0 27px}
.studio.bottom-closed .st-split-y{display:none}
.studio.bottom-closed .st-dock-bottom>.st-panel-body{display:none}
.st-dock-bottom.is-empty{display:none}
.st-canvas-wrap{position:relative;min-height:0;min-width:0;overflow:hidden;background:#1b1d21}
.studio[data-theme="light"] .st-canvas-wrap{background:#c9ccd2}
.st-canvas-host{position:absolute;inset:0}
.st-split{background:var(--bg-0);position:relative;z-index:2}
.st-split::after{content:"";position:absolute;inset:-3px}
.st-split-x{cursor:col-resize;border-left:1px solid var(--line)}
.st-split-y{cursor:row-resize;border-top:1px solid var(--line)}
.st-split:hover,.st-split.is-drag,.st-split:focus-visible{background:var(--accent)}
/* ---------------------------------------------------------------- canvas engine */
.cv{position:absolute;inset:0;display:grid;grid-template-columns:0 minmax(0,1fr);grid-template-rows:0 minmax(0,1fr)}
.cv.has-rulers{grid-template-columns:18px minmax(0,1fr);grid-template-rows:18px minmax(0,1fr)}
.cv-corner{grid-area:1/1;background:#202226;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.cv-ruler{display:none;width:100%;height:100%}
.cv.has-rulers .cv-ruler{display:block}
.cv-ruler-x{grid-area:1/2;border-bottom:1px solid var(--line)}
.cv-ruler-y{grid-area:2/1;border-right:1px solid var(--line)}
.cv-stage{grid-area:2/2;position:relative;overflow:hidden;touch-action:none}
.cv-stage:focus-visible{box-shadow:inset 0 0 0 2px var(--accent)!important;border-radius:0!important}
.cv-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.st-empty{position:absolute;inset:0;display:grid;place-items:center;padding:24px;pointer-events:none}
.st-empty[hidden]{display:none}
.st-empty-card{pointer-events:auto;text-align:center;max-width:440px;padding:28px 28px 22px;border:1px dashed var(--line-2);border-radius:10px;background:rgba(19,21,24,.72)}
.studio[data-theme="light"] .st-empty-card{background:rgba(255,255,255,.75)}
.st-empty-card h1{font-size:15px;margin:12px 0 6px;font-weight:600}
.st-empty-card p{margin:4px 0;color:var(--text-2)}
.st-empty-actions{display:flex;gap:8px;justify-content:center;margin:14px 0 10px}
.st-empty-art{display:inline-grid;grid-template-columns:repeat(2,18px);gap:3px}
.st-empty-art span{width:18px;height:18px;border-radius:2px;background:repeating-conic-gradient(#3a3d44 0 25%,#2e3036 0 50%) 0 0/8px 8px;border:1px solid var(--accent)}
.st-empty-art span:nth-child(2),.st-empty-art span:nth-child(3){border-color:var(--line-2)}
.st-hud{position:absolute;right:10px;bottom:10px;display:flex;align-items:center;gap:1px;padding:2px;border-radius:6px;background:rgba(19,21,24,.86);border:1px solid var(--line);box-shadow:0 2px 8px rgba(0,0,0,.35)}
.st-hud[hidden]{display:none}
.st-hud-zoom{min-width:54px;height:24px;border:0;background:none;color:var(--text);font-variant-numeric:tabular-nums;cursor:pointer;border-radius:4px}
.st-hud-zoom:hover{background:var(--bg-3)}
/* ---------------------------------------------------------------- docks & panels */
.st-dock{min-width:0;min-height:0;background:var(--bg-1)}
.st-dock-right{overflow-y:auto;overflow-x:hidden;border-left:1px solid var(--line);scrollbar-width:thin}
.st-panel{border-bottom:1px solid var(--line)}
.st-panel-head{display:flex;align-items:center;height:26px;padding:0 4px 0 2px;background:var(--bg-2);position:sticky;top:0;z-index:1;gap:2px}
.st-panel-toggle{flex:1 1 auto;display:flex;align-items:center;gap:4px;height:24px;padding:0 4px;border:0;background:none;font-weight:600;font-size:11px;letter-spacing:.02em;color:var(--text);cursor:pointer;text-align:left;min-width:0}
.st-caret{display:grid;place-items:center;color:var(--text-3);transition:transform .12s}
.st-caret svg{width:12px;height:12px}
.st-panel.is-collapsed .st-caret{transform:rotate(-90deg)}
.st-badge{margin-left:4px;font-weight:500;color:var(--text-3);font-variant-numeric:tabular-nums}
.st-panel-actions{display:flex;gap:1px}
.st-panel-body[hidden]{display:none}
.st-dock-bottom{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.st-tabs{display:flex;align-items:center;gap:1px;height:26px;padding:0 4px;background:var(--bg-2);border-bottom:1px solid var(--line);flex:none}
.st-tab{height:22px;padding:0 10px;border:0;border-radius:4px 4px 0 0;background:none;color:var(--text-2);font-weight:600;font-size:11px;cursor:pointer;display:flex;align-items:center}
.st-tab[aria-selected="true"]{color:var(--text);background:var(--bg-1);box-shadow:inset 0 2px 0 var(--accent)}
.st-dock-collapse svg{transform:rotate(180deg)}
.st-dock-collapse[aria-expanded="false"] svg{transform:none}
.st-dock-bottom>.st-panel-body{flex:1 1 auto;min-height:0;overflow:auto}
/* forms */
.st-input{height:24px;width:100%;min-width:0;padding:0 6px;border:1px solid var(--line-2);border-radius:3px;background:var(--well);color:var(--text);font:inherit;font-variant-numeric:tabular-nums}
.st-input:focus{border-color:var(--accent)}
.st-num{padding-right:2px}
.st-field{display:grid;gap:3px;margin:0 0 6px}
.st-field>span{color:var(--text-2);font-size:11px}
.st-field-inline{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:6px;margin:0}
.st-field-inline>span{min-width:14px;text-align:right}
.st-check{display:flex;align-items:center;gap:6px;margin:6px 0 0;color:var(--text);cursor:pointer}
.st-check input{accent-color:var(--accent);margin:0}
.st-btn{height:26px;padding:0 12px;border:1px solid var(--line-2);border-radius:4px;background:var(--bg-3);color:var(--text);cursor:pointer;white-space:nowrap;font-weight:500}
.st-btn:hover{background:var(--bg-4)}
.st-btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.st-btn.primary:hover{filter:brightness(1.08)}
.st-btn:disabled{opacity:.45;cursor:not-allowed}
.st-link{border:0;background:none;padding:0;color:var(--accent);cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.st-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.st-sec{padding:8px 10px;border-bottom:1px solid var(--line)}
.st-sec:last-child{border-bottom:0}
.st-sec-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px;color:var(--text-2);font-size:11px;font-weight:600}
.st-sec-head .st-btn{height:22px;padding:0 8px;font-size:11px}
/* assets */
.st-assets{display:flex;flex-direction:column;padding:2px 0}
.st-asset{display:grid;grid-template-columns:32px minmax(0,1fr) auto;grid-template-rows:auto auto;column-gap:8px;align-items:center;padding:4px 8px 4px 8px;cursor:pointer;position:relative}
.st-asset:hover{background:var(--bg-2)}
.st-asset[aria-selected="true"]{background:var(--bg-3);box-shadow:inset 2px 0 0 var(--accent)}
.st-thumb{grid-row:1/3;width:32px;height:32px;border-radius:3px;background:repeating-conic-gradient(#3a3d44 0 25%,#2e3036 0 50%) 0 0/8px 8px;image-rendering:pixelated}
.st-asset-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.st-asset small{grid-column:2;color:var(--text-2);font-variant-numeric:tabular-nums;font-size:11px}
.st-asset-del{grid-row:1/3;grid-column:3;opacity:0}
.st-asset:hover .st-asset-del,.st-asset:focus-within .st-asset-del{opacity:1}
/* history */
.st-history{max-height:220px;overflow:auto;padding:2px 0}
.st-hist-row{display:flex;align-items:center;gap:8px;height:22px;padding:0 10px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.st-hist-row:hover{background:var(--bg-2)}
.st-hist-row[aria-selected="true"]{background:var(--bg-3);color:var(--text)}
.st-hist-row.is-undone{color:var(--text-3);font-style:italic}
.st-hist-dot{width:6px;height:6px;border-radius:50%;background:var(--text-3);flex:none}
.st-hist-row[aria-selected="true"] .st-hist-dot{background:var(--accent)}
/* grid panel */
.st-sugs{display:flex;flex-direction:column;gap:4px}
.st-sugs p{margin:2px 0}
.st-sug-row{display:grid;gap:2px}
.st-sug{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;width:100%;min-height:28px;padding:3px 8px;border:1px solid var(--line-2);border-radius:4px;background:var(--bg-2);cursor:pointer;text-align:left}
.st-sug:hover{background:var(--bg-3)}
.st-sug[aria-pressed="true"]{border-color:var(--accent);background:rgba(76,194,255,.08)}
.st-sug b{font-variant-numeric:tabular-nums}
.st-sug-meta{color:var(--text-2);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-conf{font-size:10px;font-weight:700;padding:1px 6px;border-radius:9px;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}
.st-conf.is-high{background:rgba(76,194,255,.16);color:var(--info)}
.st-conf.is-medium{background:rgba(240,180,60,.16);color:var(--warn)}
.st-conf.is-low{background:rgba(255,107,107,.14);color:var(--danger)}
.st-conf.is-alt{background:var(--bg-3);color:var(--text-3);font-weight:600}
.st-close{margin:2px 0 0;padding:4px 8px;border-radius:4px;font-size:11px;color:var(--warn);background:rgba(240,180,60,.08)}
.st-why{font-size:11px;color:var(--text-2);padding-left:8px}
.st-why summary{cursor:pointer;color:var(--text-3);width:max-content}
.st-why ul{margin:4px 0 4px 14px;padding:0}
.st-grid-fields{display:grid;grid-template-columns:1fr 1fr;gap:5px 10px;margin:4px 0 2px}
.st-grid-state{margin:8px 0 0;padding:5px 8px;border-radius:4px;font-size:11px;background:var(--bg-2);color:var(--text-2);border-left:3px solid var(--text-3)}
.st-grid-state.is-preview{border-left-color:var(--warn);color:var(--text)}
.st-grid-state.is-applied{border-left-color:var(--accent);color:var(--text)}
.st-grid-count{margin:8px 0 0;font-variant-numeric:tabular-nums;font-size:11px}
.st-inspector .st-grid-fields{margin-top:6px}
/* frames strip */
.st-strip{display:flex;gap:4px;padding:6px 8px;overflow-x:auto;overflow-y:hidden;height:100%;align-items:flex-start;scrollbar-width:thin}
.st-chip{flex:none;width:56px;display:grid;justify-items:center;gap:2px;padding:3px;border-radius:4px;border:1px solid var(--line);background:var(--bg-2);cursor:pointer}
.st-chip canvas{width:48px;height:48px;background:repeating-conic-gradient(#3a3d44 0 25%,#2e3036 0 50%) 0 0/8px 8px;image-rendering:pixelated}
.st-chip span{font-size:10px;color:var(--text-2);font-variant-numeric:tabular-nums}
.st-chip[aria-selected="true"]{border-color:var(--sel);box-shadow:0 0 0 1px var(--sel)}
.st-chip:hover{background:var(--bg-3)}
/* ---------------------------------------------------------------- status bar */
.st-status{display:flex;align-items:center;gap:0;padding:0 4px;background:var(--bg-0);border-top:1px solid var(--line);color:var(--text-2);font-size:11px;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;min-width:0}
.st-slot{padding:0 10px;border-right:1px solid var(--line);line-height:14px}
.st-slot:empty{display:none}
.st-slot-zoom{color:var(--text);min-width:56px}
.st-slot-cursor{min-width:92px}
.st-slot-spacer{flex:1 1 auto;border:0}
.st-slot-memory,.st-slot-renderer{color:var(--text-3)}
/* ---------------------------------------------------------------- menus */
.st-menus{position:fixed;inset:0;pointer-events:none;z-index:50}
.st-menu{position:fixed;pointer-events:auto;min-width:220px;max-width:360px;max-height:calc(100vh - 12px);overflow:auto;padding:4px;border-radius:6px;background:#25282e;border:1px solid var(--line-2);box-shadow:var(--shadow)}
.studio[data-theme="light"] .st-menu{background:#fbfbfc}
.st-menu-item{display:grid;grid-template-columns:16px minmax(0,1fr) auto 10px;align-items:center;gap:6px;width:100%;height:24px;padding:0 8px 0 4px;border:0;border-radius:4px;background:none;color:var(--text);text-align:left;cursor:default;white-space:nowrap}
.st-menu-item:hover,.st-menu-item:focus{background:var(--accent);color:var(--accent-ink);box-shadow:none}
.st-menu-item[aria-disabled="true"]{color:var(--text-3)}
.st-menu-item[aria-disabled="true"]:hover,.st-menu-item[aria-disabled="true"]:focus{background:var(--bg-3);color:var(--text-3)}
.st-menu-label{overflow:hidden;text-overflow:ellipsis}
.st-kbd{color:var(--text-3);font-size:11px;padding-left:18px}
.st-menu-item:hover .st-kbd,.st-menu-item:focus .st-kbd{color:inherit;opacity:.75}
.st-mcheck{font-size:11px;text-align:center}
.st-menu-sep{height:1px;margin:4px 6px;background:var(--line-2)}
/* ---------------------------------------------------------------- dialogs */
.st-dialog{padding:0;border:1px solid var(--line-2);border-radius:8px;background:var(--bg-1);color:var(--text);box-shadow:var(--shadow);width:min(520px,calc(100vw - 24px));max-height:calc(100vh - 40px);font:inherit}
.st-dialog::backdrop{background:rgba(5,6,8,.55)}
.st-dialog-head{display:flex;align-items:center;justify-content:space-between;padding:10px 10px 6px 14px}
.st-dialog-head h2{margin:0;font-size:13px;font-weight:600}
.st-dialog-body{padding:4px 14px 12px;overflow:auto;max-height:calc(100vh - 150px)}
.st-dialog-body p{margin:6px 0}
.st-dialog-foot{display:flex;justify-content:flex-end;gap:8px;padding:10px 14px;border-top:1px solid var(--line);background:var(--bg-2);border-radius:0 0 8px 8px}
.st-palette{width:min(620px,calc(100vw - 24px));margin-top:12vh}
.st-palette .st-dialog-head{display:none}
.st-palette .st-dialog-body{padding:10px}
.st-palette-input{height:32px;font-size:13px}
.st-palette-list{margin-top:8px;max-height:50vh;overflow:auto}
.st-palette-item{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;height:28px;padding:0 8px;border-radius:4px;cursor:pointer}
.st-palette-item small{color:var(--text-3)}
.st-palette-item kbd,.st-keys kbd{font:11px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--text-2);background:var(--bg-3);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:3px;padding:0 5px}
.st-palette-item[aria-selected="true"]{background:var(--accent);color:var(--accent-ink)}
.st-palette-item[aria-selected="true"] small,.st-palette-item[aria-selected="true"] kbd{color:var(--accent-ink)}
.st-palette-item[aria-disabled="true"]{opacity:.5}
.st-palette-empty{padding:12px;color:var(--text-2)}
.st-keysheet{width:min(860px,calc(100vw - 24px))}
.st-keys{columns:2 300px;column-gap:24px}
.st-keys section{break-inside:avoid;margin-bottom:12px}
.st-keys h3{margin:4px 0 4px;font-size:11px;color:var(--text-2);text-transform:uppercase;letter-spacing:.05em}
.st-keys table{width:100%;border-collapse:collapse}
.st-keys td{padding:3px 0;border-bottom:1px solid var(--line);vertical-align:top}
.st-keys td:last-child{text-align:right;white-space:nowrap;padding-left:12px}
.st-or{color:var(--text-3)}
.st-versions{display:grid;gap:4px;margin-top:8px}
.st-version{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding:8px 10px;border:1px solid var(--line-2);border-radius:5px;background:var(--bg-2);text-align:left;cursor:pointer}
.st-version:hover{border-color:var(--accent)}
.st-version small{color:var(--text-2);grid-column:1/3}
.st-about ul{padding-left:18px;color:var(--text-2)}
/* ---------------------------------------------------------------- drop / toast / sheet */
.st-drop{position:fixed;inset:0;display:none;place-items:center;z-index:40;pointer-events:none;background:rgba(76,194,255,.07);box-shadow:inset 0 0 0 2px var(--accent)}
.st-drop>div{padding:12px 18px;border-radius:8px;background:var(--bg-1);border:1px solid var(--accent);font-weight:600}
.studio.is-dropping .st-drop{display:grid}
.st-toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);max-width:min(560px,calc(100vw - 24px));padding:8px 14px;border-radius:6px;background:#2a2e35;color:#e8eaed;border:1px solid var(--line-2);box-shadow:var(--shadow);z-index:60;font-size:12px}
.st-toast.is-error{border-color:var(--danger);color:#ffd6d6}
.st-toast[hidden]{display:none}
.st-sheet{display:none}
/* ---------------------------------------------------------------- compact (phones) */
.studio[data-mode="compact"]{--top-h:40px;--status-h:22px}
.studio[data-mode="compact"] .st-compact-only{display:inline-grid!important;width:36px;height:36px}
.studio[data-mode="compact"] .st-menubar,.studio[data-mode="compact"] .st-ws-tabs{display:none}
.studio[data-mode="compact"] .st-save-state{padding-left:12px;max-width:34vw;overflow:hidden;text-overflow:ellipsis}
.studio[data-mode="compact"] .st-project{max-width:36vw}
.studio[data-mode="compact"] .st-body{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) 46px}
.studio[data-mode="compact"] .st-split-x,.studio[data-mode="compact"] .st-dock-right{display:none}
.studio[data-mode="compact"] .st-center{grid-row:1;grid-template-rows:minmax(0,1fr) 0 0}
.studio[data-mode="compact"] .st-dock-bottom,.studio[data-mode="compact"] .st-split-y{display:none}
.studio[data-mode="compact"] .st-toolbar{grid-row:2;flex-direction:row;justify-content:center;padding:0 6px;border-right:0;border-top:1px solid var(--line);gap:6px}
.studio[data-mode="compact"] .st-tool{width:40px;height:38px}
.studio[data-mode="compact"] .st-tool[aria-pressed="true"]{box-shadow:inset 0 -2px 0 var(--accent)}
.studio[data-mode="compact"] .st-toolbar .st-grow{display:none}
.studio[data-mode="compact"] .st-slot-renderer,.studio[data-mode="compact"] .st-slot-memory,.studio[data-mode="compact"] .st-slot-image{display:none}
.studio[data-mode="compact"] .st-hud{bottom:8px;right:8px}
.studio[data-mode="compact"] .st-toast{bottom:calc(var(--status-h) + 46px + 52px);max-width:calc(100vw - 32px);padding:6px 10px;font-size:12px;line-height:1.3;pointer-events:none;box-shadow:0 4px 14px rgba(0,0,0,.4)}
.studio[data-mode="compact"] .st-hud .st-icon-btn,.studio[data-mode="compact"] .st-hud-zoom{height:34px}
.studio[data-mode="compact"] .st-hud .st-icon-btn{width:34px}
.studio[data-mode="compact"] .st-sheet{display:flex;flex-direction:column;position:fixed;left:0;right:0;bottom:calc(var(--status-h) + 46px);height:var(--sheet-h,min(62vh,520px));background:var(--bg-1);border-top:1px solid var(--line-2);border-radius:12px 12px 0 0;box-shadow:0 -12px 30px rgba(0,0,0,.45);transform:translateY(calc(100% + 80px));transition:transform .18s ease;z-index:30}
.studio[data-mode="compact"] .st-sheet.is-open{transform:none}
/* the canvas is only the part the open sheet leaves visible: fit, zoom and centring use that area */
.studio[data-mode="compact"]:has(.st-sheet.is-open) .st-canvas-wrap{margin-bottom:var(--sheet-h,min(62vh,520px))}
.st-sheet-grip{height:18px;display:grid;place-items:center;cursor:pointer;flex:none}
.st-sheet-grip::after{content:"";width:38px;height:4px;border-radius:2px;background:var(--line-2)}
.st-sheet-body{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}
.st-sheet-body .st-tabs{overflow-x:auto;height:36px;flex:none;scrollbar-width:none}
.st-sheet-body .st-tab{height:32px;padding:0 12px}
.st-sheet-body>.st-panel-body{flex:1 1 auto;overflow:auto}
.studio[data-mode="compact"] .st-input{height:32px;font-size:14px}
.studio[data-mode="compact"] .st-btn{height:34px}
.studio[data-mode="compact"] .st-empty-card{padding:20px 16px}
.studio[data-mode="compact"] .st-menu-item{height:34px}
@media (prefers-reduced-motion:reduce){.studio *{transition:none!important;animation:none!important}}