:root{color-scheme:dark;font-family:IBM Plex Sans,Segoe UI,sans-serif;--amiga-bg: #0a0d18;--amiga-panel: #9aa2b3;--amiga-panel-dark: #636b7d;--amiga-panel-darker: #495163;--amiga-panel-light: #c8cfdd;--amiga-panel-lighter: #edf2fb;--amiga-blue: #375f9b;--amiga-blue-dark: #294776;--amiga-blue-light: #5d7fbb;--amiga-text: #0f1724;--amiga-text-soft: #233047;--amiga-shadow: rgba(3, 6, 12, .42);--ui-border-light: #d8dfea;--ui-border-dark: #798295;--surface-toolbar-top: #d2d8e2;--surface-toolbar-bottom: #b7bfcd;--surface-sidebar-top: #9ca5b6;--surface-sidebar-bottom: #8d97a9;--surface-tabstrip-top: #b7bfcd;--surface-tabstrip-bottom: #a5afc0;--surface-panel-top: #edf1f7;--surface-panel-bottom: #dbe2ec;--surface-panel-secondary-top: #f6f8fc;--surface-panel-secondary-bottom: #e6ebf3;--surface-info-top: #eef2f8;--surface-info-bottom: #e0e6f0;line-height:1.5;font-weight:400;background:linear-gradient(180deg,#2f3546,#181d2b);color:var(--amiga-text)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#2d3342,#171c29)}button,input,select,textarea{font:inherit;font-size:12px}#app{min-height:100vh}.app-frame{display:flex;flex-direction:column;min-height:100vh}.top-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;border-bottom:1px solid rgba(24,31,45,.28);background:linear-gradient(180deg,var(--surface-toolbar-top) 0%,var(--surface-toolbar-bottom) 100%);box-shadow:0 3px 10px 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129px);min-height:320px;overflow:hidden;background:transparent}.workspace-canvas{display:block;width:100%;height:100%}.sidebar{display:flex;flex-direction:column;gap:14px;height:calc(100vh - 89px);min-height:0;overflow-y:auto;overflow-x:hidden;padding:0 18px 20px;border-left:1px solid rgba(24,31,45,.18);background:#9ea7b7;box-shadow:inset 1px 0 #f4f7fc57}.panel-actions{display:flex;flex-wrap:wrap;gap:8px}.panel-actions[data-pending=true]{padding:8px;border:1px solid rgba(54,87,136,.28);background:linear-gradient(180deg,#dfe9f7b8,#cddaecb8)}.panel-actions button[data-active=true]{color:#f7fbff;background:linear-gradient(180deg,var(--amiga-blue-light) 0%,var(--amiga-blue) 100%)}.sidebar-tabs{position:sticky;top:0;z-index:4;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0 -18px 2px;padding:18px 18px 0;background:#9ea7b7}.sidebar-subtabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:0;margin:0 0 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0}.canvas-wrap{height:56vh}.sidebar{border-left:0;border-top:1px solid rgba(131,169,190,.16)}.grid-controls{grid-template-columns:1fr}}