:root{--bg-gradient:#f8fafc;--glass-bg:#fff;--glass-border:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--primary:#1e293b;--primary-hover:#0f172a;--secondary:#475569;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--sidebar-width:280px;--card-shadow:0 1px 3px 0 #0000000d, 0 1px 2px -1px #0000000d, 0 4px 6px -1px #00000005;--sidebar-bg:#fff;--sidebar-border:#e2e8f0;--select-bg:#fff;--select-border:#cbd5e1;--select-text:#0f172a;--btn-disabled-bg:#e2e8f0;--btn-disabled-text:#94a3b8;--h2-color:#0f172a;--tab-hover-bg:#f1f5f9;--tab-active-bg:#e2e8f0;--tab-active-text:#0f172a;--brief-bg:#f8fafc;--brief-text:#334155;--brief-highlight:#0f172a;--th-bg:#f8fafc;--td-color:#334155;--td-hover-bg:#f8fafc;--tooltip-bg:#fff;--tooltip-border:#cbd5e1;--tooltip-label:#0f172a;--grid-stroke:#f1f5f9;--logo-bg:#fff}:root.dark-theme{--bg-gradient:linear-gradient(135deg, #0f172a, #1e293b);--glass-bg:#ffffff08;--glass-border:#ffffff14;--text-main:#f8fafc;--text-muted:#94a3b8;--primary:#3b82f6;--primary-hover:#2563eb;--secondary:#8b5cf6;--success:#34d399;--warning:#fbbf24;--danger:#f87171;--card-shadow:0 10px 30px #0003;--sidebar-bg:#0f172a;--sidebar-border:#ffffff0d;--select-bg:#0003;--select-border:#ffffff1a;--select-text:#f8fafc;--btn-disabled-bg:#ffffff0d;--btn-disabled-text:#ffffff4d;--h2-color:#f8fafc;--tab-hover-bg:#ffffff0d;--tab-active-bg:var(--glass-bg);--tab-active-text:#fff;--brief-bg:#3b82f614;--brief-text:#cbd5e1;--brief-highlight:#fff;--th-bg:#ffffff05;--td-color:#cbd5e1;--td-hover-bg:#ffffff05;--tooltip-bg:#0f172ae6;--tooltip-border:#ffffff1a;--tooltip-label:#fff;--grid-stroke:#ffffff0d;--logo-bg:#ffffff08}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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3.5rem;overflow-y:auto}.brand-logo{letter-spacing:-.02em;color:var(--h2-color);margin-bottom:.5rem;font-size:1.35rem;font-weight:700}.brand-subtitle{color:var(--text-muted);margin-bottom:3rem;font-size:.8rem;font-weight:500;line-height:1.5}.control-group{margin-bottom:1.75rem}.control-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:.6rem;font-size:.75rem;font-weight:600;display:block}.styled-select{background:var(--select-bg);border:1px solid var(--select-border);width:100%;color:var(--select-text);appearance:none;cursor:pointer;border-radius:6px;outline:none;padding:.75rem 1rem;font-size:.9rem;font-weight:500;transition:all .15s ease-in-out;box-shadow:0 1px 2px #0000000d}.styled-select:hover{border-color:var(--primary)}.styled-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1e293b1a,0 1px 2px #0000000d}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;gap:.5rem;width:100%;margin-top:1rem;padding:.85rem;font-size:.9rem;font-weight:600;transition:all .15s ease-in-out;display:flex;box-shadow:0 1px 2px #0000000d}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn-primary:disabled{background:var(--btn-disabled-bg);color:var(--btn-disabled-text);cursor:not-allowed;box-shadow:none}.card{background:var(--glass-bg);border:1px solid var(--glass-border);box-shadow:var(--card-shadow);border-radius:8px;padding:1.75rem;transition:background .2s,border-color .2s,box-shadow .2s}.grid-2{grid-template-columns:1fr 1fr;gap:1.75rem;margin-bottom:1.75rem;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:1.75rem;margin-bottom:1.75rem;display:grid}h2{color:var(--h2-color);align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:1.2rem;font-weight:700;display:flex}.subtitle{color:var(--text-muted);margin-top:-1.25rem;margin-bottom:1.75rem;font-size:.9rem;font-weight:400}.tabs{border-bottom:1px solid var(--glass-border);gap:.5rem;margin-bottom:2rem;padding-bottom:.75rem;display:flex}.tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.9rem;font-weight:600;transition:all .15s}.tab:hover{color:var(--text-main);background:var(--tab-hover-bg)}.tab.active{color:var(--tab-active-text);background:var(--tab-active-bg)}.ai-brief{background:var(--brief-bg);border:1px solid var(--glass-border);border-left:4px solid var(--primary);border-radius:6px;align-items:flex-start;gap:1rem;margin-bottom:2rem;padding:1.5rem;transition:all 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cubic-bezier(.16,1,.3,1) hubFadeIn}.hub-header{margin-bottom:2.5rem}.hub-title-gradient{letter-spacing:-.03em;color:var(--text-main);background:linear-gradient(135deg, var(--text-main) 30%, var(--primary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:850;display:inline-block}.dark-theme .hub-title-gradient{background:linear-gradient(135deg,#fff 40%,#60a5fa 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hub-subtitle{color:var(--text-muted);font-size:1.05rem;font-weight:500;line-height:1.6}.hub-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;margin-bottom:3rem;display:grid}.hub-tile{background:var(--glass-bg);border:1px solid var(--glass-border);cursor:pointer;min-height:290px;box-shadow:var(--card-shadow);border-radius:16px;flex-direction:column;justify-content:space-between;padding:2rem 2.25rem;transition:all .4s 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#00000003}.back-hub-btn:hover{background:linear-gradient(135deg,#3b82f61a,#8b5cf61a);border-style:solid;border-color:#3b82f680;transform:translate(-3px);box-shadow:0 4px 12px #3b82f614}.back-hub-btn svg{transition:transform .3s}.back-hub-btn:hover svg{transform:translate(-4px)scale(1.1)}@keyframes hubFadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.mobile-header,.mobile-sidebar-close{display:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (width<=768px){.app-layout{flex-direction:column;min-height:100vh}.mobile-header{background:var(--sidebar-bg);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border);z-index:999;justify-content:space-between;align-items:center;height:60px;padding:0 1.25rem;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 4px 20px #00000026}.mobile-logo-group{align-items:center;gap:.5rem;display:flex}.mobile-brand{letter-spacing:-.02em;color:var(--h2-color);font-size:1.15rem;font-weight:800}.mobile-menu-toggle{color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:8px;transition:background .2s;display:flex}.mobile-menu-toggle:active{background:var(--tab-hover-bg)}.mobile-backdrop{-webkit-backdrop-filter:blur(6px);z-index:1000;background:#00000080;animation:.25s ease-out fadeIn;position:fixed;inset:0}.sidebar{z-index:1001;background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);width:280px;height:100vh;padding:2rem 1.25rem;transition:transform .35s cubic-bezier(.16,1,.3,1);position:fixed;top:0;bottom:0;left:0;overflow-y:auto;transform:translate(-100%);box-shadow:12px 0 40px #0006}.sidebar.open{transform:translate(0)}.mobile-sidebar-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:background .2s;display:flex;position:absolute;top:1.5rem;right:1rem}.mobile-sidebar-close:active{background:var(--tab-hover-bg)}.main-content{-webkit-overflow-scrolling:touch;height:calc(100vh - 60px);margin-top:60px;padding:1.5rem 1rem;overflow-y:auto}.grid-2,.grid-3,.main-content div[style*="display: grid"],.main-content div[style*=display\:grid]{grid-template-columns:1fr!important;gap:1.25rem!important}.tabs{white-space:nowrap;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;padding-bottom:.5rem;overflow-x:auto}.tab{flex:none;padding:.4rem .75rem;font-size:.85rem}.recharts-responsive-container{height:250px!important;min-height:250px!important}.survey-center-hub{padding:0!important}}