:root{--primary: #2e7d32;--primary-light: #4caf50;--secondary: #0288d1;--bg: #f5f7fa;--card: #ffffff;--text: #263238;--text-muted: #546e7a;--border: #eceff1;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--nav-bg: #ffffff;--input-bg: #ffffff}[data-theme=dark]{--primary: #66bb6a;--primary-light: #81c784;--secondary: #29b6f6;--bg: #121212;--card: #1e1e1e;--text: #e0e0e0;--text-muted: #b0bec5;--border: #333333;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -1px rgba(0, 0, 0, .2);--nav-bg: #1e1e1e;--input-bg: #2c2c2c}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}.app{display:flex;flex-direction:column;min-height:100vh}.header{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:24px;box-shadow:var(--shadow)}.header h1{margin:0;font-size:28px;font-weight:700;letter-spacing:-.5px}.header p{margin:8px 0 0;opacity:.9;font-size:14px}.nav{display:flex;justify-content:space-around;padding:12px;background:var(--nav-bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;transition:background .3s}.nav button{background:transparent;border:none;padding:10px 16px;border-radius:12px;cursor:pointer;color:var(--text-muted);font-weight:600;transition:all .2s ease}.nav button.active{background:var(--primary-light);color:#fff;box-shadow:0 2px 4px #4caf504d}.main-area{padding:24px;flex:1;max-width:800px;margin:0 auto;width:100%;box-sizing:border-box}@media (min-width: 768px){.main-area{max-width:1024px;padding:32px}}.panel{background:var(--card);padding:24px;border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:20px;transition:background .3s,border-color .3s}.panel h2{margin-top:0;color:var(--primary)}.fetch-row{display:flex;gap:12px;align-items:center;margin-bottom:16px}button.action-btn,.btn{background:var(--secondary);color:#fff;border:none;padding:10px 20px;border-radius:8px;font-weight:600;cursor:pointer;transition:background .2s}button.action-btn:hover,.btn:hover{background:#0277bd}button:disabled{opacity:.6;cursor:not-allowed}input,select,textarea{background:var(--input-bg);color:var(--text);border:1px solid var(--border);padding:8px 12px;border-radius:8px;font-family:inherit}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);border-color:transparent}.error{color:#d32f2f;background:#ffebee;padding:12px;border-radius:8px;margin-top:10px}.price-chart{width:100%;height:auto;border-radius:8px;overflow:hidden;background:var(--card)}.footer{padding:24px;text-align:center;color:var(--text-muted);font-size:14px;background:var(--nav-bg);border-top:1px solid var(--border);display:flex;justify-content:center;gap:24px;flex-wrap:wrap}.footer a{color:var(--text-muted);text-decoration:none;transition:color .2s}.footer a:hover{color:var(--primary)}.ReloadPrompt-container{padding:0;margin:0;width:0;height:0}.ReloadPrompt-toast{position:fixed;right:0;bottom:0;margin:16px;padding:12px;border:1px solid var(--border);border-radius:4px;z-index:1;text-align:left;box-shadow:var(--shadow);background-color:var(--card);color:var(--text)}.ReloadPrompt-toast-button{border:1px solid var(--border);outline:none;margin-right:5px;border-radius:2px;padding:3px 10px;background:var(--bg);color:var(--text);cursor:pointer}.install-prompt{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--card);padding:16px 24px;border-radius:12px;box-shadow:0 4px 12px #00000026;display:flex;align-items:center;gap:12px;z-index:100;width:90%;max-width:400px;box-sizing:border-box;animation:slideUp .3s ease-out;color:var(--text)}.install-prompt p{margin:0;flex:1;font-size:14px;font-weight:500}.install-prompt button{background:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:8px;font-weight:600;cursor:pointer}@keyframes slideUp{0%{transform:translate(-50%,100%);opacity:0}to{transform:translate(-50%);opacity:1}}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-top:16px}.stat-card{background:var(--bg);padding:16px;border-radius:12px;border:1px solid var(--border);text-align:center}.stat-card h3{margin:0 0 8px;font-size:14px;color:var(--text-muted);font-weight:500}.stat-card .value{font-size:20px;font-weight:700;color:var(--primary)}.stat-card .sub{font-size:12px;color:var(--text-muted);margin-top:4px}