:root{--green: #6aaa64;--yellow: #c9b458;--gray: #787c7e;--dark-gray: #3a3a3c;--light-gray: #d3d6da;--white: #ffffff;--black: #121213;--bg-color: #121213;--text-color: #ffffff;--key-bg: #818384;--key-bg-unused: #818384;--border-color: #3a3a3c}*{box-sizing:border-box;user-select:none;-webkit-user-select:none;touch-action:manipulation}body{margin:0;padding:0;font-family:Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);overflow:hidden;width:100vw;height:100vh;display:flex;flex-direction:column}#root{width:100%;height:100%;display:flex;flex-direction:column}.app-container{width:100%;height:100%;max-width:500px;margin:0 auto;display:flex;flex-direction:column;justify-content:space-between;position:relative}header{display:flex;align-items:center;justify-content:center;height:50px;border-bottom:1px solid var(--border-color);font-weight:700;font-size:24px;letter-spacing:.1em}.icon-btn{background:none;border:none;cursor:pointer;padding:5px;display:flex;align-items:center;justify-content:center}.icon-btn.large{transform:scale(1.2)}.landing-container{flex-grow:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:15vh 20px 20px;text-align:center}.landing-logo{max-width:80%;max-height:40vh;object-fit:contain;margin-bottom:20px}.landing-subtitle{font-size:1.5rem;font-weight:700;margin-bottom:30px}.landing-actions{display:flex;flex-direction:column;align-items:center;gap:15px}.play-btn{background-color:var(--green);color:#fff;border:none;padding:15px 40px;font-size:1.5rem;font-weight:700;border-radius:30px;cursor:pointer;transition:transform .2s}.play-btn:active{transform:scale(.95)}.game-board-container{flex-grow:1;display:flex;justify-content:center;align-items:center;padding:10px;overflow:hidden}.grid{display:grid;grid-template-rows:repeat(6,1fr);grid-gap:5px;width:100%;max-width:350px;aspect-ratio:5 / 6}.row{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:5px}.tile{width:100%;height:100%;border:2px solid var(--border-color);display:inline-flex;justify-content:center;align-items:center;font-size:2rem;font-weight:700;text-transform:uppercase;transition:transform .3s ease,background-color .3s ease,border-color .3s ease}.tile.filled{border-color:var(--key-bg-unused);animation:pop .1s}.tile.correct{background-color:var(--green);border-color:var(--green)}.tile.present{background-color:var(--yellow);border-color:var(--yellow)}.tile.absent{background-color:var(--dark-gray);border-color:var(--dark-gray)}.tile.flip{animation:flip .5s ease both}.mini-grid{display:flex;flex-direction:column;align-items:center;gap:2px;margin-bottom:15px;padding:10px;background:#ffffff0d;border-radius:8px}.mini-row{display:flex;gap:2px}.mini-tile{width:20px;height:20px;border-radius:2px}.mini-tile.mini-correct{background-color:var(--green)}.mini-tile.mini-present{background-color:var(--yellow)}.mini-tile.mini-absent{background-color:var(--dark-gray)}.keyboard{width:100%;padding:0 8px 20px}.keyboard-row{display:flex;width:100%;margin:0 auto 3px;touch-action:manipulation}.key{flex:1;height:58px;background-color:var(--key-bg);color:var(--white);margin:0 2.55px;border-radius:4px;display:flex;justify-content:center;align-items:center;font-weight:700;font-size:1.25rem;cursor:pointer;text-transform:uppercase;transition:background-color .2s;transform:scale(.95)}.key.wide{flex:1.5;font-size:12px}.key.correct{background-color:var(--green)}.key.present{background-color:var(--yellow)}.key.absent{background-color:var(--dark-gray)}.toast-container{position:absolute;top:60px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;z-index:100}.toast{background-color:var(--white);color:var(--black);padding:10px 20px;border-radius:5px;font-weight:700;opacity:1;transition:opacity .3s ease}.modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:50}.modal{background:var(--bg-color);border:1px solid var(--border-color);padding:20px;border-radius:10px;text-align:center;max-width:90%;width:340px;max-height:90vh;overflow-y:auto}.modal h2{margin-top:0;margin-bottom:10px}.result-text{margin:10px 0;font-size:1rem;color:var(--light-gray)}.streak-highlight{background-color:var(--green);color:#fff;padding:10px 25px;font-size:1.2rem;font-weight:700;border-radius:30px;display:inline-block;margin-top:15px;margin-bottom:5px}.close-btn{background:none;border:1px solid var(--gray);color:var(--text-color);padding:8px 16px;font-size:1rem;border-radius:20px;cursor:pointer;margin-top:15px}.statistics-container{display:flex;justify-content:center;gap:15px;margin:10px 0}.stat-item{display:flex;flex-direction:column;align-items:center;margin:0 5px}.stat-value{font-size:24px;font-weight:700}.stat-label{font-size:10px;text-transform:uppercase}.leaderboard-section{margin:15px 0;width:100%;border-top:1px solid var(--border-color);padding-top:10px}.leaderboard-title{margin:0 0 10px;font-size:1rem;color:var(--light-gray);text-transform:uppercase}.leaderboard-list{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}.leaderboard-item{display:flex;flex-direction:column;align-items:center;width:40px}.avatar-circle{width:36px;height:36px;border-radius:50%;display:flex;justify-content:center;align-items:center;color:#fff;font-weight:700;font-size:1.1rem;margin-bottom:2px;text-shadow:0 0 2px rgba(0,0,0,.5)}.avatar-streak{font-size:.8rem;font-weight:700}.countdown-container{margin-top:15px;border-top:1px solid var(--border-color);padding-top:10px}.debug-section{margin-top:10px}.debug-btn{background:none;border:1px solid var(--gray);color:var(--text-color);padding:5px;cursor:pointer}@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}@keyframes flip{0%{transform:rotateX(0);background-color:transparent;border-color:var(--key-bg-unused)}45%{transform:rotateX(90deg);background-color:transparent;border-color:var(--key-bg-unused)}55%{transform:rotateX(90deg)}to{transform:rotateX(0)}}.shake{animation:shake .5s}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-5px)}20%,40%,60%,80%{transform:translate(5px)}}@media (max-height: 600px){.game-board-container{padding:5px}.grid{grid-gap:3px}.tile{font-size:1.5rem}.key{height:45px;font-size:1rem}.modal{padding:10px}}