:root{--dapp-bg: #0f0f1a;--dapp-surface: #1a1a2e;--dapp-border: #2a2a40;--dapp-text: #e0e0e8;--dapp-text-muted: #8888a0;--dapp-accent: #6c5ce7;--dapp-accent-hover: #7c6cf7;--dapp-accent-text: #fff;--dapp-success: #00cec9;--dapp-error: #ff6b6b;--dapp-code-bg: #12121f;--dapp-surface-raised: #1f1f36;--dapp-online: #4fd1c5;--dapp-warning: #f0b04a;--dapp-warning-text: #1a1408;--dapp-radius: 10px;--dapp-radius-sm: 6px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--dapp-bg);color:var(--dapp-text);line-height:1.5;min-height:100svh;-webkit-font-smoothing:antialiased}.app{max-width:960px;margin:0 auto;padding:32px 24px 60px}.main-grid{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}.col-operations{min-width:0}.col-sidebar{position:sticky;top:24px}.col-sidebar .card:last-child{margin-bottom:0}.hero{display:block}.hero 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