*{box-sizing:border-box} :root{--bg:#1e1e1e;--panel:#181818;--side:#252526;--line:#333;--text:#d4d4d4;--muted:#9d9d9d;--accent:#007acc;--hover:#2a2d2e;--green:#89d185} body.light{--bg:#fff;--panel:#f7f7f7;--side:#f3f3f3;--line:#ddd;--text:#252525;--muted:#666;--hover:#e8e8e8}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,sans-serif;font-size:13px;overflow:hidden}.app-shell{height:100%;display:flex;flex-direction:column}.topbar{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:var(--panel);gap:12px}.brand{display:flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.2px}.brand b{font-weight:500;color:var(--muted)}.brand-mark{display:grid;place-items:center;background:#007acc;color:#fff;font-weight:700;border-radius:7px;width:27px;height:27px;font-size:16px}.top-actions{display:flex;align-items:center;gap:10px}.save-status{color:var(--muted);font-size:11px;margin-right:6px}.btn{border:1px solid var(--line);border-radius:5px;padding:8px 13px;font:inherit;cursor:pointer}.btn.primary{background:#168447;border-color:#168447;color:white;font-weight:600}.btn.primary:hover{background:#1b9b52}.btn.secondary{background:transparent;color:var(--text)}button{font-family:inherit}.workspace{display:flex;min-height:0;flex:1}.activitybar{width:49px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);display:flex;align-items:center;flex-direction:column;padding:8px 0;gap:8px}.activity{height:43px;width:100%;font-size:23px;background:transparent;border:0;border-left:2px solid transparent;color:var(--muted);cursor:pointer}.activity:hover,.activity.active{color:var(--text)}.activity.active{border-left-color:var(--text)}.activity-spacer{flex:1}.sidebar{width:235px;flex-shrink:0;background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:170px}.side-heading{height:38px;padding:0 13px;display:flex;align-items:center;justify-content:space-between;font-size:10px;font-weight:700;letter-spacing:1px;color:var(--muted)}.side-tools{display:flex;gap:7px}.side-tools button,.panel-actions button{border:0;background:transparent;color:var(--muted);font-size:18px;cursor:pointer}.side-tools button:hover,.panel-actions button:hover{color:var(--text)}.project-title{padding:7px 13px;font-weight:700;font-size:11px;letter-spacing:.4px}.file-tree{overflow:auto;flex:1}.tree-item{height:27px;display:flex;align-items:center;gap:7px;padding:0 10px 0 17px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-item:hover{background:var(--hover)}.tree-item.selected{background:#37373d}.tree-item .file-icon{width:16px;text-align:center;color:#79b8ff}.tree-item.folder .file-icon{color:#dcb67a}.sidebar-bottom{border-top:1px solid var(--line);padding-bottom:12px}.hint{color:var(--muted);font-size:11px;line-height:1.55;padding:0 13px;margin:5px 0}.main-area{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}.tabs{height:37px;display:flex;overflow:auto;background:var(--panel);border-bottom:1px solid var(--line)}.tab{padding:0 13px;display:flex;align-items:center;gap:10px;border-right:1px solid var(--line);border-top:1px solid transparent;cursor:pointer;color:var(--muted);white-space:nowrap}.tab.active{background:var(--bg);color:var(--text);border-top-color:var(--accent)}.tab .close-tab{font-size:14px;border:0;background:transparent;color:var(--muted);padding:0;cursor:pointer}.breadcrumbs{height:28px;display:flex;align-items:center;padding:0 17px;color:var(--muted);font-size:11px;border-bottom:1px solid rgba(128,128,128,.12)}.editor{flex:1;min-height:140px}.fallback-editor{flex:1;display:flex;flex-direction:column}.fallback-note{padding:8px;color:#e5c07b}.fallback-editor textarea{flex:1;resize:none;background:var(--bg);color:var(--text);border:0;outline:0;padding:14px;font:13px 'Fira Code',monospace}.hidden{display:none!important}.panel{height:230px;min-height:115px;border-top:1px solid var(--line);display:flex;flex-direction:column}.panel-head{height:36px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:0 12px}.panel-tabs{display:flex;gap:18px;height:100%}.panel-tab{background:none;border:0;color:var(--muted);font-size:10px;letter-spacing:.8px;cursor:pointer;border-bottom:1px solid transparent}.panel-tab.active{color:var(--text);border-bottom-color:var(--text)}.panel-actions{display:flex;gap:10px}.panel-actions button{font-size:12px}.output-view{padding:12px 16px;overflow:auto;flex:1;font:12px/1.65 'Fira Code',monospace;white-space:pre-wrap;overflow-wrap:anywhere}.output-view .stdout{color:var(--text)}.output-view .stderr{color:#f48771}.empty-output{color:var(--muted);font-family:Inter,sans-serif}.preview-view{flex:1;min-height:0;background:white}.preview-view iframe{width:100%;height:100%;border:0;background:white}.statusbar{height:23px;background:#007acc;color:white;display:flex;align-items:center;gap:18px;padding:0 10px;font-size:10px}.statusbar span:last-child{margin-left:auto}@media(max-width:760px){.sidebar{width:165px}.save-status{display:none}.topbar{padding:0 8px}.brand{font-size:12px}.btn{padding:7px 9px}.panel{height:190px}}@media(max-width:540px){.sidebar{width:125px}.activitybar{width:36px}.side-heading{padding:0 7px}.side-tools{gap:2px}.hint{padding:0 7px}.top-actions{gap:5px}.brand b{display:none}}


/* ZIKIM Brand Logo */
.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  width: 88px;
  height: 54px;
  object-fit: contain;
  object-position: center;
}