:root[data-theme=light]{--shell-bg:#f6f7fb;--shell-surface:#fff;--shell-surface-muted:#f9fafb;--shell-border:rgba(11,16,40,.08);--shell-border-strong:rgba(11,16,40,.12);--shell-text:#0b1028;--shell-text-secondary:#5b6478;--shell-text-muted:#8b93a7;--shell-sidebar-bg:#fff;--shell-sidebar-hover:rgba(5,40,242,.06);--shell-sidebar-active:rgba(5,40,242,.1);--shell-header-bg:rgba(246,247,251,.85);--shell-shadow-sm:0 1px 2px rgba(11,16,40,.04);--shell-shadow-md:0 4px 24px rgba(11,16,40,.06);--shell-shadow-lg:0 12px 40px rgba(11,16,40,.08);--shell-input-bg:#fff;--shell-chart-grid:rgba(11,16,40,.06);--shell-tooltip-bg:#0b1028;--shell-tooltip-text:#fff;--shell-accent-text:var(--brand-blue-text)}:root[data-theme=dark]{--shell-bg:#0b0e14;--shell-surface:#12151c;--shell-surface-muted:#161a24;--shell-border:hsla(0,0%,100%,.08);--shell-border-strong:hsla(0,0%,100%,.12);--shell-text:#f3f4f8;--shell-text-secondary:#a3adc2;--shell-text-muted:#6b7289;--shell-sidebar-bg:#0f1219;--shell-sidebar-hover:rgba(125,139,255,.08);--shell-sidebar-active:rgba(125,139,255,.14);--shell-header-bg:rgba(11,14,20,.88);--shell-shadow-sm:0 1px 2px rgba(0,0,0,.35);--shell-shadow-md:0 8px 32px rgba(0,0,0,.45);--shell-shadow-lg:0 16px 48px rgba(0,0,0,.55);--shell-input-bg:#161a24;--shell-chart-grid:hsla(0,0%,100%,.06);--shell-tooltip-bg:#f3f4f8;--shell-tooltip-text:#0b1028;--shell-accent-text:var(--brand-blue-text)}.shell-page{background:var(--shell-bg);color:var(--shell-text);min-height:100%}.shell-card{background:var(--shell-surface);border:1px solid var(--shell-border);border-radius:16px;box-shadow:var(--shell-shadow-sm);transition:box-shadow .2s ease,border-color .2s ease}.shell-card--elevated,.shell-card:hover{box-shadow:var(--shell-shadow-md)}.shell-card--elevated{border-color:var(--shell-border-strong)}.shell-card--elevated:hover{box-shadow:var(--shell-shadow-lg)}.shell-card--hero{background:linear-gradient(135deg,#0528f2,#6366f1 45%,#bf047e);border:none;color:#fff;box-shadow:0 12px 40px rgba(5,40,242,.25)}.shell-card--hero:hover{box-shadow:0 16px 48px rgba(5,40,242,.32)}.shell-overline{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--shell-text-muted)}.shell-gradient-text{background:linear-gradient(90deg,#0528f2,#bf047e);-webkit-background-clip:text;background-clip:text;color:transparent}@keyframes shell-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.shell-animate-in{opacity:1;animation:shell-fade-in .35s ease-out forwards}@media (prefers-reduced-motion:reduce){.shell-animate-in{animation:none}}@keyframes shell-skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}.shell-skeleton{background:linear-gradient(90deg,var(--shell-surface-muted) 25%,var(--shell-border) 50%,var(--shell-surface-muted) 75%);background-size:200% 100%;animation:shell-skeleton 1.4s ease-in-out infinite;border-radius:8px}.shell-tooltip{position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);z-index:60;white-space:nowrap;padding:6px 10px;border-radius:8px;font-size:12px;font-weight:500;background:var(--shell-tooltip-bg);color:var(--shell-tooltip-text);box-shadow:var(--shell-shadow-md);pointer-events:none;opacity:0;transition:opacity .15s ease}.shell-sidebar-item:hover .shell-tooltip{opacity:1}@media (max-width:1023px){.shell-sidebar-desktop{display:none}}@media (min-width:1024px){.shell-bottom-nav{display:none}}