:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.game-container{box-sizing:border-box;flex-direction:column;justify-content:flex-start;align-items:center;width:100%;max-width:768px;min-height:100vh;margin:0 auto;padding:5vh 20px 20px;display:flex;position:relative}.game-header{z-index:20;flex-direction:column;align-items:center;width:100%;margin-bottom:4vh;display:flex}.game-header .logo{object-fit:contain;width:50%;max-width:250px;height:auto;margin-bottom:15px}.game-header .tagline{object-fit:contain;width:75%;max-width:350px;height:auto}.game-board{flex-direction:row;flex-grow:1;justify-content:space-between;align-items:center;width:100%;display:flex;position:relative}.column{z-index:20;flex-direction:column;justify-content:center;gap:24px;display:flex}.left-column{align-items:center;width:22%}.left-column .item-button img{object-fit:contain;aspect-ratio:1;width:auto;height:100%;display:block}.right-column{width:72%}.right-column .item-button img{object-fit:contain;width:100%;height:100%;display:block}right-column .item-button img:not(.status-icon){object-fit:contain;width:auto;max-width:100%;height:100%;display:block}.right-column .item-button{justify-content:flex-start}.svg-overlay{pointer-events:none;z-index:10;width:100%;height:100%;position:absolute;top:0;left:0}.connection-line{stroke-width:4px;stroke-linecap:round;transition:stroke .3s}.connection-line.correct{stroke:#00f0ff}.connection-line.wrong{stroke:#f33;animation:.5s ease-in-out infinite alternate flash}.item-button{cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;width:100%;height:clamp(70px,18vw,90px);padding:0;display:flex;position:relative}.item-button:disabled{cursor:default}.item-button img{object-fit:contain;width:100%;height:auto;display:block}.item-button img.status-icon{z-index:30;width:26px;height:26px;position:absolute;top:50%;left:0;transform:translate(-50%,-50%)}.game-footer{z-index:20;justify-content:center;align-items:center;width:100%;margin-top:auto;padding-top:4vh;padding-bottom:2vh;display:flex}.rules-image{object-fit:contain;mix-blend-mode:screen;width:90%;max-width:450px;height:auto}@keyframes flash{0%{opacity:1}to{opacity:.3}}.success-container{box-sizing:border-box;z-index:20;flex-direction:column;justify-content:flex-start;align-items:center;width:100%;max-width:768px;min-height:100vh;margin:0 auto;padding:8vh 20px 40px;display:flex}.success-header{flex-direction:column;align-items:center;width:100%;margin-bottom:6vh;display:flex}.success-logo{object-fit:contain;width:55%;max-width:220px;height:auto;margin-bottom:30px}.success-banner{object-fit:contain;width:90%;max-width:380px;height:auto}.success-messages{flex-direction:column;align-items:center;gap:24px;width:100%;display:flex}.message-image{object-fit:contain;opacity:0;will-change:transform, opacity;width:85%;max-width:350px;height:auto;animation-name:fadeZoomIn;animation-duration:.8s;animation-timing-function:ease-out;animation-fill-mode:forwards}.text-chuc-mung{width:55%;max-width:260px;animation-delay:.3s}.text-hoan-thanh{width:85%;max-width:420px;animation-delay:.7s}.text-moi-ban{width:70%;max-width:320px;animation-delay:1.1s}@keyframes fadeZoomIn{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}