.toast-vung{left:50%;bottom:max(16px, env(safe-area-inset-bottom));z-index:10000;pointer-events:none;flex-direction:column;align-items:center;gap:8px;width:min(92vw,420px);display:flex;position:fixed;transform:translate(-50%)}.toast{pointer-events:auto;cursor:pointer;color:#fff;background:#2a2620;border-radius:12px;padding:10px 16px;font-family:Be Vietnam Pro,system-ui,sans-serif;font-size:.95rem;line-height:1.35;animation:.22s ease-out toast-vao;box-shadow:0 8px 24px #0000002e}.toast--ok{background:#2f7d4f}.toast--loi{background:#b9403b}@keyframes toast-vao{0%{opacity:0;transform:translateY(10px)scale(.97)}to{opacity:1;transform:none}}:root{--giay:#fbf8ef;--giay-dam:#f3ecd9;--ke:#c9dcef;--le-do:#e9a3a3;--muc:#2a2620;--nhat:#6b6458;--cam:#f2a04e;--cam-dam:#c9702a;--hong:#f08aa0;--xanh:#4f8fd6;--xanh-la:#6fb54f;--vang:#f2cf5b;--do:#d9534f;--chu-ve:"Patrick Hand", "Comic Sans MS", "Chalkboard SE", cursive;--chu-than:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;--bo-tay:14px 22px 12px 26px / 24px 12px 22px 14px;--bo-tay-nho:10px 16px 9px 18px / 16px 9px 16px 10px;--bong:3px 4px 0 var(--muc);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}html,body{background:var(--giay);color:var(--muc);font-family:var(--chu-than);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;margin:0}body{min-height:100dvh}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}a{color:var(--xanh)}img,svg,canvas{max-width:100%;display:block}.dang-tai-trang{min-height:100dvh;font-family:var(--chu-ve);color:var(--nhat);place-items:center;font-size:1.6rem;display:grid}.nut-sap{--nen:#fff;border:3px solid var(--muc);border-radius:var(--bo-tay-nho);background:var(--nen);min-height:46px;box-shadow:var(--bong);color:var(--muc);font-family:var(--chu-ve);-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;gap:8px;padding:8px 18px;font-size:1.2rem;line-height:1.1;text-decoration:none;transition:transform .12s,box-shadow .12s;display:inline-flex}.nut-sap:hover:not(:disabled){box-shadow:4px 6px 0 var(--muc);transform:translate(-1px,-1px)rotate(-1deg)}.nut-sap:active:not(:disabled){box-shadow:1px 1px 0 var(--muc);transform:translate(2px,3px)}.nut-sap:disabled{opacity:.5;cursor:not-allowed}.nut-sap:focus-visible{outline:3px dashed var(--xanh);outline-offset:3px}.nut-sap--cam{--nen:var(--cam)}.nut-sap--hong{--nen:var(--hong)}.nut-sap--vang{--nen:var(--vang)}.nut-sap--xanh{--nen:#9fd27f}.nut-sap--nho{min-height:36px;padding:4px 12px;font-size:1.05rem}.nut-sap--rong{width:100%}.o-nhap{border:2.5px solid var(--muc);border-radius:var(--bo-tay-nho);background:#fff;outline:none;width:100%;min-height:44px;padding:8px 12px;font-size:1rem}.o-nhap:focus{border-color:var(--xanh);box-shadow:0 0 0 3px #4f8fd640}.o-nhap::placeholder{color:#a39b8c}textarea.o-nhap{resize:vertical;min-height:96px;line-height:1.45}.nhan-truong{font-family:var(--chu-ve);margin-bottom:6px;font-size:1.15rem;display:block}.chu-nho{color:var(--nhat);font-size:.85rem}.thu-cho{font-family:var(--chu-ve);text-align:center;color:var(--nhat);font-size:1.5rem}