:root{--navy:#132a4a;--muted:#758196;--coral:#ff6b62;--mint:#45c89a;--yellow:#ffbd39;--sky:#4dafdf;--canvas:#fffaf7;--line:#ebe9e5}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--navy);font-family:Arial,sans-serif}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:#fff;border-right:1px solid var(--line);padding:28px 18px;display:flex;flex-direction:column}.brand{font-size:26px;font-weight:900;color:var(--coral);margin:0 8px 32px}.brand.big{font-size:34px;color:#fff}.sidebar nav{display:grid;gap:7px}.sidebar nav a{padding:13px;border-radius:11px;font-weight:700}.sidebar nav a:hover{background:#fff1ee}.sidebar nav a.active{color:#fff;background:linear-gradient(135deg,var(--coral),#ff8278);box-shadow:0 8px 20px #ff6b6233}.side-footer{margin-top:auto;border-top:1px solid var(--line);padding:18px 8px 0;display:grid;gap:5px}.side-footer small{color:var(--muted)}.side-footer 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