:root{--primary-blue:#0b5ed7;--primary-blue-hover:#084db3;--accent-gold:#f59e0b;--accent-gold-soft:#fff7ed;--dark-navy:#0f172a;--light-bg:#f8fafc;--border-gray:#e2e8f0;--success-green:#16a34a;--success-soft:#ecfdf3;--warning-amber:#f97316;--warning-soft:#fff7ed;--danger-red:#dc2626;--danger-soft:#fef2f2;--surface:#ffffff;--surface-soft:#f8fafc;--text-muted:#64748b;--text-soft:#334155;--focus-ring:rgba(11,94,215,0.2);--shadow-sm:0 1px 2px rgba(15,23,42,0.06);--shadow-md:0 14px 34px rgba(15,23,42,0.08);--mobile-topbar-height:74px;--mobile-nav-height:78px;--mobile-search-height:52px;--mobile-search-dock-bottom:calc(var(--mobile-nav-height) + env(safe-area-inset-bottom) + 10px);--visual-viewport-bottom-offset:0px;--visual-viewport-height:100dvh;--visual-viewport-offset-top:0px}html[data-theme=dark]{--primary-blue:#60a5fa;--primary-blue-hover:#3b82f6;--accent-gold:#fbbf24;--accent-gold-soft:rgba(251,191,36,0.14);--dark-navy:#e5edf8;--light-bg:#0f172a;--border-gray:#334155;--success-green:#4ade80;--success-soft:rgba(74,222,128,0.12);--warning-amber:#fb923c;--warning-soft:rgba(251,146,60,0.14);--danger-red:#f87171;--danger-soft:rgba(248,113,113,0.14);--surface:#111827;--surface-soft:#1e293b;--text-muted:#94a3b8;--text-soft:#cbd5e1;--focus-ring:rgba(96,165,250,0.24);--shadow-sm:0 1px 2px rgba(0,0,0,0.24);--shadow-md:0 14px 34px rgba(0,0,0,0.28)}html[data-theme=dark] .topbar{background:rgba(15,23,42,.96)}html[data-theme=dark] .mobile-bottom-nav{background:rgba(17,24,39,.98)}html[data-theme=dark] .expense-input,html[data-theme=dark] .login-field input,html[data-theme=dark] .price-input,html[data-theme=dark] .product-image-button,html[data-theme=dark] 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