:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg: #0f172a;--surface: #1e293b;--text: #e2e8f0;--text-muted: #94a3b8;--accent: #60a5fa;--accent-dark: #3b82f6;--success: #34d399;--border: rgba(148, 163, 184, .2);--glass-bg: rgba(30, 41, 59, .4);--shadow: 0 10px 30px -15px rgba(0, 0, 0, .6)}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app{max-width:1200px;margin:0 auto;padding:1rem;display:flex;flex-direction:column;align-items:center}.nav{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:1100px;padding:1.25rem 1.5rem;background:var(--surface);border-radius:1rem;margin-bottom:1.5rem;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border)}.nav-brand{font-size:1.5rem;font-weight:700}.nav-controls{display:flex;gap:1rem}.toggle-label{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--text-muted);cursor:pointer}.toggle-label input{width:2.8em;height:1.5em;appearance:none;background:var(--border);border-radius:999px;position:relative;cursor:pointer;transition:background .3s}.toggle-label input:checked{background:var(--accent)}.toggle-label input:after{content:"";position:absolute;width:1.2em;height:1.2em;background:#fff;border-radius:50%;top:.15em;left:.15em;transition:transform .3s}.toggle-label input:checked:after{transform:translate(1.3em)}.main{width:100%;max-width:1100px;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.controls-center{display:flex;justify-content:center;width:100%;margin-bottom:1rem}.currency-select{padding:.75rem 1.25rem;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:.75rem;font-size:1rem;cursor:pointer}.card{width:100%;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:1.25rem;padding:1.5rem;box-shadow:var(--shadow);transition:transform .3s ease}.card:hover{transform:translateY(-4px)}h2{margin:0 0 1rem;font-size:1.35rem;font-weight:600;text-align:center}.balance-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;justify-items:center;width:100%;overflow-x:auto;padding:.5rem}.balance-item.glass{background:#1e293b80;border:1px solid var(--border);border-radius:1rem;padding:1.5rem;text-align:center;min-width:200px;transition:all .3s}.balance-item:hover{border-color:var(--accent);box-shadow:0 0 20px #60a5fa33}.currency{font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.available{font-size:2rem;font-weight:700;color:var(--accent)}.pending{font-size:.95rem;color:var(--text-muted);margin-bottom:.5rem}.nudge{font-size:.85rem;color:var(--success);font-style:italic}.chart-card{height:400px;width:100%}.refresh-btn{padding:.9rem 2.2rem;background:var(--accent);color:#fff;border:none;border-radius:999px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s}.refresh-btn:hover:not(:disabled){background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 25px #60a5fa4d}.error,.loader{text-align:center;width:100%}.footer{text-align:center;margin-top:2rem;color:var(--text-muted);font-size:.85rem;width:100%}@media(max-width:768px){.nav{flex-direction:column;gap:1rem}.nav-controls{justify-content:center}.balance-grid{grid-template-columns:1fr}.chart-card{height:300px}}@media(min-width:1024px){.balance-grid{grid-template-columns:repeat(3,1fr)}}body:not(.dark-mode){--bg: #f8fafc;--surface: #ffffff;--text: #0f172a;--text-muted: #64748b;--border: rgba(226, 232, 240, .8);--glass-bg: rgba(255, 255, 255, .4)}