.menu-button{position:fixed;top:18px;left:18px;z-index:10000;width:46px;height:46px;border:1px solid #dbe7df;border-radius:15px;background:rgba(255,255,255,.96);color:#185c3d;box-shadow:0 10px 28px rgba(20,70,45,.12);font-size:21px;cursor:pointer;backdrop-filter:blur(10px);transition:.18s}.menu-button:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(20,70,45,.16)}.sidebar{position:fixed;top:12px;left:12px;width:292px;height:calc(100vh - 24px);box-sizing:border-box;background:rgba(252,253,249,.97);border:1px solid #dce8e0;border-radius:26px;z-index:10002;box-shadow:18px 20px 60px rgba(17,55,38,.18);transform:translateX(-120%);transition:transform .24s cubic-bezier(.2,.8,.2,1);padding:20px;backdrop-filter:blur(18px);overflow:hidden;display:flex;flex-direction:column}.menu-open .sidebar{transform:translateX(0)}.sidebar-backdrop{position:fixed;inset:0;background:rgba(13,36,25,.45);z-index:10001;display:none;backdrop-filter:blur(3px)}.menu-open .sidebar-backdrop{display:block}.sidebar-brand{display:flex;align-items:center;gap:10px;font-size:21px;padding:6px 3px 16px;color:#17352a;flex:0 0 auto}.sidebar-brand:first-letter{font-size:25px}.sidebar-close{margin-left:auto;width:38px;height:38px;border:0;border-radius:12px;background:#edf5ef;color:#35664d;font-size:23px;cursor:pointer}.sidebar-new-chat{flex:0 0 auto;margin-bottom:14px}.sidebar-new-chat button{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 14px;border:1px solid #bcd8c6;border-radius:14px;background:#185c3d;color:#fff;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 7px 18px rgba(24,92,61,.16)}.sidebar-new-chat button:hover{transform:translateY(-1px)}.sidebar-new-chat button span{font-size:20px;line-height:1}.sidebar-chat-history{min-height:0;display:flex;flex-direction:column;flex:0 0 auto;max-height:190px;margin:12px 0 12px}.sidebar-section-title{padding:0 7px 8px;color:#789084;text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:800}.sidebar-chat-list{min-height:0;max-height:154px;overflow-y:auto;overflow-x:hidden;padding:5px 3px 5px 0;display:grid;gap:4px;border:1px solid #e1ebe4;border-radius:14px;background:#f8fbf8;overscroll-behavior-y:contain}.sidebar-chat-item{width:100%;display:flex;align-items:center;gap:8px;border:0;border-radius:10px;background:transparent;color:#476255;text-align:left;padding:9px 8px;cursor:pointer}.sidebar-chat-item:hover{background:#eef6f0;color:#185c3d}.sidebar-chat-item.active{background:#e1f0e5;color:#185c3d;font-weight:750}.sidebar-chat-title{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.sidebar-chat-time{flex:0 0 auto;color:#8aa096;font-size:10px}.sidebar-chat-empty{padding:12px 9px;color:#8aa096;font-size:12px;text-align:center}.sidebar nav{display:grid;gap:6px;overflow:auto;flex:0 0 auto;max-height:38vh;padding-right:2px}.sidebar nav a{display:flex;gap:12px;align-items:center;padding:11px 14px;border-radius:15px;text-decoration:none;color:#476255;font-size:14px;font-weight:650;transition:.18s}.sidebar nav a span{width:26px;height:26px;display:grid;place-items:center;border-radius:9px;background:#eef6f0;font-size:15px}.sidebar nav a:hover{background:#f0f7f2;color:#185c3d;transform:translateX(2px)}.sidebar nav a.active{background:#185c3d;color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(24,92,61,.18)}.sidebar nav a.active span{background:rgba(255,255,255,.15)}.sidebar nav a[href="/community.html"]{display:none!important}.sidebar-footer{border-top:1px solid #e4ece7;margin-top:14px;padding:12px 4px 0;color:#789084;font-size:12px;flex:0 0 auto}.sidebar-footer span{display:block;color:#315c45;font-weight:800;margin-bottom:3px}.sidebar-footer small{display:block;margin-bottom:7px}.sidebar-footer a{color:#668073;text-decoration:none}.sidebar-footer a:hover{color:#185c3d}.page{padding-top:88px}.topbar{padding-left:76px!important}@media(max-width:600px){.menu-button{top:13px;left:13px;width:44px;height:44px}.sidebar{top:8px;left:8px;width:calc(100vw - 16px);height:calc(100vh - 16px);border-radius:22px}.sidebar nav{max-height:32vh}.sidebar-chat-history{max-height:180px}.sidebar-chat-list{max-height:145px}.topbar{padding-left:62px!important}}