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2.2rem;border-radius:999px;font-weight:600;text-transform:uppercase;letter-spacing:.08rem;background:linear-gradient(130deg,#d66bff,#6ea8ff);color:#080d16;cursor:pointer;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 15px 35px #775dff59;min-width:220px;display:inline-flex;justify-content:center;align-items:center;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation;outline:none}.primary-button.shake{animation:nopeShake .28s ease;background:linear-gradient(130deg,#ffc1c7,#ff8c95);color:#2a0d13}.primary-button:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(120deg,rgba(255,255,255,.4),transparent 60%);opacity:0;transform:translate(-40%);transition:opacity .2s ease,transform .2s ease}.primary-button:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 20px 40px 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0;justify-content:center}.answer-cell{width:50px;height:50px;border-radius:10px;background:#ffffff14;display:inline-flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:600;color:#f8f7ff;text-transform:uppercase;text-align:center;outline:none;border:1px solid rgba(255,255,255,.25);caret-color:transparent;-webkit-appearance:none;-moz-appearance:none;appearance:none}.answer-cell.editable{cursor:text}.answer-cell.active{border-color:#8f5dffcc;box-shadow:0 0 12px #8f5dff73}.answer-grid.celebrating .answer-cell{border-color:#fffc}.answer-grid.revealed .answer-cell{border-color:#ff8a8ad9;background:#ff5e5e1f;color:#ffc2c2;box-shadow:none}.answer-grid.solved .answer-cell{cursor:default;border-color:#00ff992e;background:#0c2018b3;box-shadow:none;color:#9dffc9}.solved-card{opacity:.92;background:#0a1e18d9;border-color:#5be2a340}.solved-card.revealed{background:#281010d9;border-color:#ff636366}.solved-card.revealed .answer-grid 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rgba(255,255,255,.3);background:transparent;color:#ffffffbf;padding:.55rem 1.2rem;border-radius:999px;font-size:.9rem;letter-spacing:.1rem;text-transform:uppercase;cursor:pointer;transition:color .2s ease,border-color .2s ease}.ghost-button:hover:not(:disabled){color:#fff;border-color:#fff9}.ghost-button:disabled{opacity:.5;cursor:not-allowed}@keyframes cellPop{0%{transform:scale(1);box-shadow:0 0 #ffeda899}60%{transform:scale(1.12);box-shadow:0 12px 30px #ffdb7866}to{transform:scale(1);box-shadow:0 6px 18px #ffdb7840}}@keyframes celebrationGlow{0%{box-shadow:0 12px 25px #ffcc9959;transform:translateY(-1px) scale(1.01)}50%{box-shadow:0 18px 35px #ffcc998c;transform:translateY(-2px) scale(1.03)}to{box-shadow:0 12px 25px #ffcc9959;transform:translateY(-1px) scale(1.01)}}@keyframes nopeShake{0%{transform:translate(0)}25%{transform:translate(-3px)}50%{transform:translate(3px)}75%{transform:translate(-1.5px)}to{transform:translate(0)}}@media (max-width: 720px){.card{padding:1.5rem}.cta{flex-direction:column}.cta a{width:100%;text-align:center}}.submit-form{display:flex;flex-direction:column;gap:.8rem;align-items:stretch}.submit-form .primary-button{align-self:center}.solve-card-enter{animation:fadeIn .2s ease forwards}.solved-card-enter{animation:slideDown .5s cubic-bezier(.22,1,.36,1) forwards}.solve-card,.solved-card{animation-fill-mode:forwards}.solution-row{display:flex;align-items:center;gap:.6rem;width:100%}.solution-meta{font-weight:600;color:#fff9;letter-spacing:.08rem;font-size:.95rem;min-width:48px;text-align:right}.solution-input{flex:1;min-width:0}.ghost-button.small{padding:.35rem .9rem;font-size:.85rem}.auth-popover{position:absolute;top:2.5rem;right:0;background:#080c16f2;border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:1rem;display:flex;flex-direction:column;gap:.5rem;width:min(260px,90vw);box-shadow:0 12px 30px #00000073;z-index:20}:root{font-family:Space Grotesk,Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#e6edff;background-color:#070c14;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;background-color:#070c14;color:#e6edff}