*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fff;--bg-secondary:#fafafa;--bg-card:#fff;--border:#e5e5e5;--border-hover:#d4d4d4;--muted:#737373;--text:#171717;--text-secondary:#525252;--accent:#171717;--success:#16a34a;--error:#dc2626;--warning:#ca8a04}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;padding:48px 24px 80px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1120px;margin:0 auto}.layout-grid{display:grid;grid-template-columns:1fr 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ease}.back-link:hover{color:var(--text)}.rates-layout{display:grid;grid-template-columns:220px 1fr;grid-gap:24px;gap:24px;align-items:start}.tabs-sidebar{display:flex;flex-direction:column;gap:8px}.tab-btn{background:transparent;border:1px solid var(--border);border-radius:8px;padding:12px 16px;font-size:14px;font-weight:500;color:var(--text-secondary);cursor:pointer;text-align:left;transition:all .2s ease}.tab-btn:hover{border-color:var(--border-hover);color:var(--text)}.tab-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.rates-content{min-height:400px}.rates-content .card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.rates-content .card-header .card-title{margin-bottom:0;font-size:16px;text-transform:none;color:var(--text)}.card-actions{display:flex;gap:12px}.rates-table{width:100%;border-collapse:collapse}.rates-table td,.rates-table th{padding:12px;text-align:left;border-bottom:1px solid var(--border)}.rates-table th{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.rates-table td input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:var(--bg);color:var(--text);transition:border-color .2s ease}.rates-table td input:focus{outline:none;border-color:var(--text)}.rates-table td:last-child{width:60px;text-align:center}.delete-btn{background:transparent;border:none;color:var(--muted);font-size:20px;cursor:pointer;padding:4px 8px;border-radius:4px;transition:all .2s ease}.delete-btn:hover{background:var(--error);color:#fff}.empty-state,.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--muted);font-size:15px;gap:16px}.message{padding:12px 16px;border-radius:8px;font-size:14px;font-weight:500;margin-bottom:16px}.message.success{background:#dcfce7;color:var(--success)}.message.error{background:#fee2e2;color:var(--error)}@media (max-width:768px){.rates-layout{grid-template-columns:1fr}.tabs-sidebar{flex-direction:row;flex-wrap:wrap}.tab-btn{flex:1 1;min-width:140px;text-align:center}}@media (max-width:900px){.layout-grid{grid-template-columns:1fr}.result-card{position:static}}@media (max-width:600px){body{padding:32px 16px 48px}.input-grid{grid-template-columns:1fr}h1{font-size:24px}.subtitle{margin-bottom:32px}.card{padding:20px}.summary-item .value{font-size:16px}}