:root{font-synthesis:none;text-rendering:optimizelegibility;font-family:Inter,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100vh;margin:0}body{margin:0}#root{min-height:100vh}.app-shell{color:#0d2340;background:#eef3f8;min-height:100vh;display:flex}.sidebar{color:#fff;background:#0b1d38;flex-direction:column;flex-shrink:0;width:220px;min-height:100vh;padding:24px 16px 18px;display:flex}.sidebar-brand{border-bottom:1px solid #ffffff1f;padding:0 8px 24px}.brand-title{letter-spacing:.04em;font-size:24px;font-weight:700}.brand-subtitle{color:#9db6d5;letter-spacing:.08em;margin-top:4px;font-size:11px}.sidebar-navigation{flex-direction:column;gap:8px;margin-top:24px;display:flex}.sidebar-item{color:#9db6d5;text-align:left;cursor:pointer;width:100%;min-height:42px;font:inherit;background:0 0;border:1px solid #0000;border-radius:7px;padding:0 12px}.sidebar-item:hover{color:#fff;background:#ffffff0d}.sidebar-item.active{color:#fff;background:#ffffff0a;border-color:#8ba4c3}.sidebar-item-label{font-size:14px;font-weight:600}.sidebar-footer{color:#b9d300;align-items:center;gap:8px;margin-top:auto;padding:16px 8px 0;font-size:10px;display:flex}.sidebar-footer strong{border:2px solid #b9d300;border-radius:4px;padding:2px 5px}.app-workspace{flex:1;min-width:0}.workspace-header{background:#fff;border-bottom:1px solid #dbe3ec;justify-content:space-between;align-items:center;height:86px;padding:14px 28px 12px;display:flex}.platform-code{letter-spacing:.08em;color:#6d829d;margin-bottom:3px;font-size:10px;font-weight:700}.workspace-header h1{color:#0d2340;margin:0;font-size:24px;font-weight:650}.workspace-language{color:#9ba8b8;align-items:center;gap:8px;font-size:12px;display:flex}.workspace-language button{color:#8291a3;font:inherit;cursor:pointer;background:0 0;border:0;padding:4px 2px;font-weight:600}.workspace-language button.active{color:#f0a000}.workspace-content{padding:28px}.app-loading,.app-error{justify-content:center;align-items:center;min-height:100vh;font-family:Inter,Arial,sans-serif;display:flex}.app-error{color:#a61b1b}@media (width<=760px){.sidebar{width:170px;padding-left:10px;padding-right:10px}.workspace-header{padding-left:18px;padding-right:18px}.workspace-content{padding:18px}}