:root{--bg: #f4f6fb;--card: #ffffff;--border: #e5e9f2;--text: #141a26;--muted: #7c869b;--primary: #2f6fed;--purple: #8b3fd0;--grad: linear-gradient(135deg, #2f6fed 0%, #8b3fd0 100%);--green: #17a95b;--red: #e0403f;--warn: #d98c00;--sidebar: #0e1116;--sidebar2: #151a22;--shadow: 0 1px 3px rgba(20,27,45,.06), 0 8px 24px rgba(20,27,45,.05)}*{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}h1{font-size:1.7rem}h2{font-size:1.5rem;font-weight:700;margin:0 0 .35rem;letter-spacing:-.3px}h3{font-size:1.1rem;font-weight:650;margin:1.6rem 0 .6rem;color:#2b3242}p{line-height:1.5}button{cursor:pointer;border:1px solid transparent;background:var(--grad);color:#fff;padding:.6rem 1.1rem;border-radius:10px;font-size:.95rem;font-weight:600;transition:transform .06s,box-shadow .15s,opacity .15s}button:hover{box-shadow:0 4px 16px 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