:root{--nen:#f6f7f2;--the:#fff;--chu:#1d2a1f;--mo:#66736a;--xanh:#1f6b3a;--vang:#e0b43a;--vien:#dfe4dc;--do:#b3261e;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--nen);color:var(--chu);margin:0;font-size:15px;line-height:1.5}a{color:var(--xanh)}h1{margin:0;font-size:1.5rem}h2{margin:0 0 12px;font-size:1.1rem}.hop{max-width:1100px;margin:0 auto;padding:24px 16px 60px}.nho{max-width:380px}.dau{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.dau nav{align-items:center;gap:12px;display:flex}section{background:var(--the);border:1px solid var(--vien);border-radius:12px;margin-bottom:18px;padding:16px}.cuon{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--vien);vertical-align:top;padding:8px 6px}th{color:var(--mo);white-space:nowrap;font-weight:600}button,input,select,textarea{font:inherit}button{background:var(--xanh);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:7px 12px}button.phu{color:var(--xanh);border:1px solid var(--xanh);background:0 0}button:disabled{opacity:.5;cursor:default}input,select,textarea{border:1px solid var(--vien);background:#fff;border-radius:8px;padding:7px 10px}.cot{flex-direction:column;gap:10px;margin-top:16px;display:flex}.hang{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.canh-bao{color:var(--do);background:#fdecea;border-radius:8px;padding:10px 12px}.nhan{color:var(--xanh);white-space:nowrap;background:#e7f2ea;border-radius:99px;padding:1px 8px;font-size:12px;display:inline-block}.nhan.tat{color:#8a5a00;background:#fff3d6}.nhan.gap{color:var(--do);background:#fdecea}.mo{color:var(--mo)}.trong{color:var(--mo);font-style:italic}.chat{flex-direction:column;gap:6px;min-height:300px;max-height:60vh;padding:8px 0;display:flex;overflow-y:auto}.bong{white-space:pre-wrap;word-break:break-word;border-radius:16px;max-width:80%;padding:8px 12px}.bong.khach{background:var(--xanh);color:#fff;align-self:flex-end}.bong.bot{background:#eceee9;align-self:flex-start}.bong.he-thong{color:var(--mo);background:0 0;align-self:center;font-size:13px}.bong img{border-radius:10px;max-width:220px;display:block}.o-nhap{gap:8px;margin-top:10px;display:flex}.o-nhap input{flex:1;min-width:0}