*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#fbfaf8;font:15px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.khung-game{--nen: #07060a;--the: #191c24;--vien: #4a3a1e;--vang: #e0ac48;--vang-sang: #ffdc95;--vang-toi: #8a6620;--chu: #eef1f6;--mo: #97a0b0;--loi: #ff8f7d;color-scheme:dark;color:var(--chu);min-height:100vh;position:relative;isolation:isolate;background:radial-gradient(58rem 26rem at 50% -8%,#5a4020 0%,#2e2010 34%,transparent 68%),radial-gradient(38rem 26rem at 8% 104%,#33230f 0%,transparent 58%),radial-gradient(30rem 22rem at 96% 88%,#2a1c0d 0%,transparent 56%),linear-gradient(180deg,#171009,#0e0a06 62%,#070504)}.khung-game:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(120% 100% at 50% 35%,transparent 42%,rgb(0 0 0 / .55) 100%),repeating-linear-gradient(58deg,rgb(255 236 200 / .008) 0 2px,transparent 2px 6px),repeating-linear-gradient(-32deg,rgb(0 0 0 / .1) 0 3px,transparent 3px 9px)}.khung-game .trang{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.khung-game .the{position:relative;width:100%;max-width:23rem;padding:1.9rem 1.75rem 1.75rem;background:linear-gradient(180deg,rgb(255 220 149 / .06),transparent 30%),linear-gradient(180deg,#232833,var(--the) 55%,#10131a);border:1px solid #5c4823;border-radius:4px;box-shadow:0 0 0 1px #f0c87847 inset,0 1px #ffe2a81f inset,0 0 0 4px #0a0705,0 0 0 5px #5c4823e6,0 26px 70px #000000b8,0 0 90px #e0ac480f}.khung-game .the:before,.khung-game .the:after,.khung-game .goc:before,.khung-game .goc:after{content:"";position:absolute;width:12px;height:12px;border:2px solid var(--vang);opacity:.8}.khung-game .the:before{top:6px;left:6px;border-right:0;border-bottom:0}.khung-game .the:after{bottom:6px;right:6px;border-left:0;border-top:0}.khung-game .goc:before{top:6px;right:6px;border-left:0;border-bottom:0}.khung-game .goc:after{bottom:6px;left:6px;border-right:0;border-top:0}.khung-game h1{margin:0 0 .2rem;font-size:1.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;text-align:center;background:linear-gradient(180deg,var(--vang-sang),var(--vang) 52%,var(--vang-toi));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 1px 0 #2a1c08) drop-shadow(0 0 12px rgb(224 172 72 / .3))}.khung-game .ke{display:flex;align-items:center;gap:.55rem;margin:.55rem 0 1.15rem;color:var(--vang-toi)}.khung-game .ke:before,.khung-game .ke:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--vien),transparent)}.khung-game .ke span{width:6px;height:6px;rotate:45deg;background:var(--vang);opacity:.8}.khung-game .tomtat{margin:0 0 1.3rem;text-align:center;color:var(--mo);font-size:.88rem}.khung-game label{display:block;margin:.9rem 0 .35rem;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--vang);opacity:.85}.khung-game input{width:100%;padding:.65rem .75rem;background:#0c0e14;border:1px solid #3b4152;border-radius:3px;color:var(--chu);font-size:.95rem;box-shadow:0 2px 6px #00000080 inset}.khung-game input:focus{outline:0;border-color:var(--vang);box-shadow:0 2px 6px #00000080 inset,0 0 0 3px #e0ac4829}.khung-game input:disabled{opacity:.55}.khung-game small{display:block;margin-top:.3rem;color:var(--mo);font-size:.74rem}.khung-game button{width:100%;margin-top:1.5rem;padding:.72rem;background:linear-gradient(180deg,#ffd98a,var(--vang) 46%,#a97c26);border:1px solid #6d4f18;border-radius:3px;color:#2a1c06;font-size:.92rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;cursor:pointer;box-shadow:0 1px #fff4d68c inset,0 -2px #00000038 inset,0 6px 18px #e0ac482e}.khung-game button:hover:not(:disabled){filter:brightness(1.07)}.khung-game button:active:not(:disabled){transform:translateY(1px)}.khung-game button:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.khung-game .loi{margin:.9rem 0 0;padding:.55rem .7rem;background:#ff8f7d1a;border:1px solid rgb(255 143 125 / .3);border-radius:3px;color:var(--loi);font-size:.85rem}.khung-game .phu{margin:1.15rem 0 0;text-align:center;color:var(--mo);font-size:.85rem}.khung-game a{color:var(--vang);text-decoration:none}.khung-game a:hover{text-decoration:underline}@media (prefers-reduced-motion: no-preference){.khung-game .the{animation:hien .45s ease-out both}@keyframes hien{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}}.tin.svelte-19pvuqp.svelte-19pvuqp{--giay:#fbfaf8;--muc:#1b1a18;--nhat:#6b6660;--duong:#e4e0d9;--diem:#b4541c;min-height:100vh;background:var(--giay);color:var(--muc);font:16px/1.65 Iowan Old Style,Palatino Linotype,Georgia,serif}header.svelte-19pvuqp.svelte-19pvuqp{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:46rem;margin:0 auto;padding:1.4rem 1.25rem;border-bottom:1px solid var(--duong)}.hieu.svelte-19pvuqp.svelte-19pvuqp{display:flex;align-items:baseline;gap:.5rem}.dau.svelte-19pvuqp.svelte-19pvuqp{background:var(--muc);color:var(--giay);padding:.1rem .4rem;border-radius:3px;font-weight:700;letter-spacing:.04em}.ten.svelte-19pvuqp.svelte-19pvuqp{font-size:1.05rem;letter-spacing:.01em}nav.svelte-19pvuqp.svelte-19pvuqp{display:flex;gap:1.1rem}nav.svelte-19pvuqp a.svelte-19pvuqp{color:var(--nhat);text-decoration:none;font-size:.9rem}nav.svelte-19pvuqp a.svelte-19pvuqp:hover{color:var(--muc);text-decoration:underline}main.svelte-19pvuqp.svelte-19pvuqp{max-width:46rem;margin:0 auto;padding:2.5rem 1.25rem 1rem}.nhan.svelte-19pvuqp.svelte-19pvuqp{margin:0 0 .6rem;font:600 .72rem/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--diem)}h1.svelte-19pvuqp.svelte-19pvuqp{margin:0 0 .7rem;font-size:clamp(1.75rem,4.5vw,2.5rem);line-height:1.18;font-weight:600;letter-spacing:-.01em}.dat.svelte-19pvuqp.svelte-19pvuqp{margin:0 0 1.8rem;color:var(--nhat);font-size:1.05rem}form.svelte-19pvuqp.svelte-19pvuqp{margin:0 0 3rem}label.svelte-19pvuqp.svelte-19pvuqp{display:block;margin-bottom:.45rem;font:600 .85rem/1.4 ui-sans-serif,system-ui,sans-serif}.hang.svelte-19pvuqp.svelte-19pvuqp{display:flex;gap:.5rem;flex-wrap:wrap}input.svelte-19pvuqp.svelte-19pvuqp{flex:1 1 16rem;padding:.7rem .8rem;background:#fff;border:1px solid #cdc7bd;border-radius:4px;color:var(--muc);font:1rem/1.4 ui-sans-serif,system-ui,sans-serif}input.svelte-19pvuqp.svelte-19pvuqp:focus{outline:2px solid var(--diem);outline-offset:1px;border-color:transparent}input.svelte-19pvuqp.svelte-19pvuqp:disabled{opacity:.6}button.svelte-19pvuqp.svelte-19pvuqp{padding:.7rem 1.3rem;background:var(--muc);color:var(--giay);border:1px solid var(--muc);border-radius:4px;font:600 .95rem/1.4 ui-sans-serif,system-ui,sans-serif;cursor:pointer}button.svelte-19pvuqp.svelte-19pvuqp:hover:not(:disabled){background:#35322d}button.svelte-19pvuqp.svelte-19pvuqp:disabled{opacity:.5;cursor:default}.ghi-chu.svelte-19pvuqp.svelte-19pvuqp,.loi.svelte-19pvuqp.svelte-19pvuqp{margin:.55rem 0 0;font:.82rem/1.5 ui-sans-serif,system-ui,sans-serif}.ghi-chu.svelte-19pvuqp.svelte-19pvuqp{color:var(--nhat)}.loi.svelte-19pvuqp.svelte-19pvuqp{color:#a3241a}.chuyen-muc.svelte-19pvuqp h2.svelte-19pvuqp,.ve.svelte-19pvuqp h2.svelte-19pvuqp{margin:0 0 .9rem;font-size:1.15rem;font-weight:600;padding-bottom:.4rem;border-bottom:1px solid var(--duong)}.chuyen-muc.svelte-19pvuqp ul.svelte-19pvuqp{list-style:none;margin:0 0 2.5rem;padding:0;display:grid;gap:1.4rem 2rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}.chuyen-muc.svelte-19pvuqp h3.svelte-19pvuqp{margin:0 0 .2rem;font-size:1rem;font-weight:600}.chuyen-muc.svelte-19pvuqp p.svelte-19pvuqp{margin:0;color:var(--nhat);font-size:.93rem}.ve.svelte-19pvuqp p.svelte-19pvuqp{margin:0 0 2.5rem;color:var(--nhat)}footer.svelte-19pvuqp.svelte-19pvuqp{max-width:46rem;margin:0 auto;padding:1.2rem 1.25rem 2.5rem;border-top:1px solid var(--duong);color:var(--nhat);font:.82rem/1.5 ui-sans-serif,system-ui,sans-serif}footer.svelte-19pvuqp p.svelte-19pvuqp{margin:0}