:root{--brand-primary:#6F73C3;--brand-secondary:#6D6CB2;--brand-deep:#4A5B82;--brand-primary-hover:#7d81d6;--brand-primary-active:#5f63b0;--brand-subtle:rgba(111,115,195,0.14);--brand-gradient:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));--bg:#100E1A;--bg-2:#141126;--surface:#1B1832;--surface-2:#242040;--surface-3:#2d2850;--line:rgba(245,244,250,0.08);--line-strong:rgba(245,244,250,0.15);--text:#F4F3F8;--muted:#a09cbd;--muted-2:#726f8c;--success:#3BC48B;--success-soft:rgba(59,196,139,0.12);--warning:#E8A33D;--warning-soft:rgba(232,163,61,0.12);--danger:#E5607A;--danger-soft:rgba(229,96,122,0.12);--radius:16px;--radius-sm:10px;--radius-xs:7px;--radius-pill:999px;--sidebar-w:264px;--topbar-h:60px;--bottomnav-h:72px;--font-sans:"Geist Sans","Inter",ui-sans-serif,system-ui,-apple-system,sans-serif;--font-mono:"Geist Mono","SF Mono",ui-monospace,SFMono-Regular,Menlo,monospace;--shadow-sm:0 2px 8px rgba(0,0,0,0.15);--shadow-md:0 8px 24px rgba(0,0,0,0.25);--shadow-lg:0 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p{font-size:12px;color:var(--muted);line-height:1.4}.btn-block{width:100%;display:flex}.btn-secondary{background:var(--surface-2);color:var(--text)}.btn-secondary:hover{background:var(--surface-3)}.btn-sm{padding:6px 14px;font-size:12.5px}.balance-strip,.btn-sm{border-radius:var(--radius-xs)}.balance-strip{display:flex;align-items:center;gap:8px;padding:7px 10px;background:var(--surface);border:1px solid var(--line);margin-bottom:2px}.balance-strip-label{font-size:12px;color:var(--muted);font-weight:600}.balance-strip-value{font-family:var(--font-mono);font-weight:700;font-size:14px;flex:1 1;text-align:right}.balance-strip-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xs);color:var(--muted);transition:background var(--transition-fast),color var(--transition-fast)}.balance-strip-btn:hover{background:var(--brand-subtle);color:var(--brand-primary)}.workspace-trigger{display:flex;align-items:center;gap:9px;width:100%;background:none;border:none;padding:8px 6px;border-radius:var(--radius-xs);cursor:pointer;text-align:left;transition:background var(--transition-fast)}.workspace-trigger:hover{background:var(--surface)}.avatar{width:27px;height:27px;border-radius:50%;flex-shrink:0;background:var(--surface-2);border:1px solid var(--line-strong);color:var(--text);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:11.5px}.avatar.sm{width:24px;height:24px;font-size:10.5px}.avatar.lg{width:64px;height:64px;font-size:22px}.workspace-trigger .meta{text-align:left;flex:1 1;min-width:0}.workspace-trigger .name{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.workspace-trigger .plan{font-size:11px;color:var(--muted-2)}.main{flex:1 1;display:flex;flex-direction:column;min-width:0;height:100vh}.topbar{height:var(--topbar-h);border-bottom:1px solid var(--line);background:var(--bg-2);justify-content:space-between;padding:0 24px;flex-shrink:0;gap:16px}.topbar,.topbar__left{display:flex;align-items:center}.topbar__left{gap:10px;min-width:0}.menu-toggle{display:none;width:34px;height:34px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-xs);color:var(--muted);transition:background var(--transition-fast)}.menu-toggle:hover{background:var(--surface)}.page-title{font-weight:700;font-size:16px;white-space:nowrap}.topbar__right{gap:8px;flex-shrink:0}.balance-pill,.topbar__right{display:flex;align-items:center}.balance-pill{gap:6px;background:var(--surface);border:1px solid var(--line);padding:7px 13px 7px 9px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;color:var(--muted);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.balance-pill:hover{background:var(--surface-2);border-color:var(--line-strong)}.coin{width:16px;height:16px;border-radius:50%;background:linear-gradient(140deg,var(--brand-secondary),var(--brand-deep));flex-shrink:0}.balance-pill b{color:var(--text);font-weight:700;font-family:var(--font-mono)}.icon-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xs);color:var(--muted);transition:background var(--transition-fast),color var(--transition-fast)}.icon-btn:hover{background:var(--surface);color:var(--text)}.icon-btn.sm{width:28px;height:28px}.avatar-btn{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brand-primary),var(--brand-deep));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;transition:opacity var(--transition-fast)}.avatar-btn:hover{opacity:.85}.theme-btn{position:relative;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xs);color:var(--muted);transition:background var(--transition-fast),color var(--transition-fast)}.theme-btn:hover{background:var(--surface);color:var(--text)}.theme-btn .sun{display:none}.theme-btn .moon,[data-theme=light] .theme-btn .sun{display:block}[data-theme=light] .theme-btn .moon{display:none}.bell-wrap{position:relative}.bell-badge{position:absolute;top:2px;right:2px;min-width:15px;height:15px;background:var(--danger);color:#fff;border-radius:var(--radius-pill);font-size:9px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px;border:2px solid var(--bg-2);pointer-events:none}.bell-btn{position:relative}#notificationMenu{width:320px}.notif-header{display:flex;align-items:center;justify-content:space-between;padding:2px 2px 10px}.notif-header 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