:root{--bg-color:#0f172a;--surface-color:#1e293b;--surface-light:#334155;--text-primary:#f8fafc;--text-secondary:#94a3b8;--color-up:#10b981;--color-down:#ef4444;--color-neutral:#64748b;--color-accent:#3b82f6;--border-radius:16px;--transition:.2s ease-in-out;--safe-top:env(safe-area-inset-top,20px);--safe-bottom:env(safe-area-inset-bottom,20px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);padding-left:var(--safe-left);padding-right:var(--safe-right);overscroll-behavior-y:none;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}#root{min-height:calc(100vh - var(--safe-top) - var(--safe-bottom));flex-direction:column;display:flex}h1{margin-bottom:1rem;font-size:1.5rem;font-weight:700}h2{margin-bottom:.75rem;font-size:1.25rem;font-weight:600}.text-muted{color:var(--text-secondary);font-size:.875rem}.trend-up{color:var(--color-up)}.trend-down{color:var(--color-down)}.trend-neutral{color:var(--color-neutral)}.card{background:var(--surface-color);border-radius:var(--border-radius);margin-bottom:1rem;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn{background:var(--surface-light);color:var(--text-primary);cursor:pointer;transition:background var(--transition);border:none;border-radius:8px;width:100%;padding:.75rem 1.5rem;font-family:Inter,sans-serif;font-weight:600}.btn:hover,.btn-primary{background:var(--color-accent)}.input-group{margin-bottom:1rem}.input-group label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.875rem;display:block}.input-group input{background:var(--bg-color);border:1px solid var(--surface-light);width:100%;color:var(--text-primary);border-radius:8px;padding:.75rem;font-family:Inter,sans-serif;font-size:1rem}.input-group input:focus{border-color:var(--color-accent);outline:none}.bottom-nav{background:var(--surface-color);padding:1rem 0 calc(1rem + var(--safe-bottom));border-top:1px solid var(--surface-light);z-index:1000;justify-content:space-around;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--text-secondary);transition:color var(--transition);flex-direction:column;align-items:center;gap:.25rem;font-size:.75rem;text-decoration:none;display:flex}.nav-item.active{color:var(--color-accent)}.app-container{flex:1;padding:1rem 1rem 6rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.3s ease-out forwards fadeIn}