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a{display:flex;align-items:center;gap:10px;padding:10px 18px;color:var(--sidebar-text);font-size:13px;font-weight:500;border-left:3px solid transparent;transition:background .15s,color .15s}.sidebar-nav a:hover{background:#ffffff12;color:#fff}.sidebar-nav a.active{background:#0a84ff26;color:#fff;border-left-color:var(--sidebar-active)}.sidebar-footer{padding:14px 18px;border-top:1px solid rgba(255,255,255,.1);color:var(--sidebar-text);font-size:12px}.sidebar-footer button{background:none;border:none;color:#ff6b6b;cursor:pointer;font-size:12px;margin-top:6px;padding:0}.sidebar-footer button:hover{text-decoration:underline}.main-content{flex:1;overflow-y:auto;padding:28px}.page-header{margin-bottom:24px}.page-header h2{font-size:20px;font-weight:700}.page-header p{color:var(--text-muted);font-size:13px;margin-top:3px}.card{background:var(--card);border-radius:8px;box-shadow:var(--shadow);border:1px solid 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