.main-container{background-color:#f8f9fa;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;font-family:Merriweather,serif;display:flex}.title-container{text-align:center;margin-bottom:2rem}.title-container h1{color:#212529;margin:0;font-size:3rem;font-weight:700}.title-container p{color:#6c757d;margin-top:.5rem;font-size:1.25rem}.nav-container{flex-direction:column;align-items:center;gap:1.5rem;width:100%;max-width:500px;display:flex}.nav-button{text-align:center;color:#212529;border-radius:16px;width:100%;padding:1.5rem 2rem;text-decoration:none;transition:transform .2s ease-in-out,box-shadow .2s ease-in-out;display:block;box-shadow:0 4px 12px rgba(0,0,0,.08)}.nav-button:hover{transform:translateY(-4px);box-shadow:0 8px 16px rgba(0,0,0,.12)}.tutorial-button{background-color:#d1f1ff;border:1px solid #a6e3ff}.play-button{background-color:#ffe4e8;border:1px solid #ffc2cc}.button-title{margin:0 0 .5rem;font-size:2.25rem;font-weight:600}.button-subtitle{color:#4a5568;margin:0;font-size:1.1rem}.stats-container{text-align:center;background-color:#fff;border:1px solid #dee2e6;border-radius:16px;width:100%;max-width:600px;margin-top:3rem;padding:2rem;box-shadow:0 8px 20px rgba(0,0,0,.08)}.stats-title{text-align:center;color:#343a40;margin-top:0;margin-bottom:1rem;font-size:1.75rem;font-weight:700}.stats-summary{text-align:center;color:#495057;margin-bottom:1.5rem;font-size:1.2rem}.stats-matrix{border-collapse:collapse;width:100%;margin:0 auto}.stats-matrix th,.stats-matrix td{text-align:center;border:1px solid #dee2e6;padding:.75rem;font-size:1.1rem}.stats-matrix th,.stats-matrix td:first-child,.stats-matrix th:first-child{background-color:#f8f9fa;font-weight:700}.leaderboard-form{flex-direction:column;align-items:center;gap:1rem;margin-top:2rem;margin-bottom:1.5rem;display:flex}.username-input{border:1px solid #ced4da;border-radius:8px;width:50%;max-width:400px;padding:.75rem 1rem;font-family:Merriweather,serif;font-size:1.1rem;transition:all .2s;box-shadow:inset 0 1px 3px rgba(0,0,0,.06)}.username-input::placeholder{color:#adb5bd}.username-input:focus{border-color:#2a6f5d;outline:none;box-shadow:0 0 0 3px rgba(42,111,93,.2)}.upload-button{color:#fff;cursor:pointer;background-color:#2a6f5d;border:none;border-radius:8px;padding:.8rem 1.5rem;font-family:Merriweather,serif;font-size:1rem;font-weight:700;transition:background-color .2s,transform .2s;box-shadow:0 4px 12px rgba(0,0,0,.1)}.upload-button:hover{background-color:#205748;transform:translateY(-2px)}.reset-button{color:#dc3545;cursor:pointer;background-color:transparent;border:1px solid #dc3545;border-radius:8px;margin-top:.5rem;padding:.6rem 1.2rem;font-family:Merriweather,serif;font-size:.9rem;font-weight:700;transition:all .2s;display:inline-block}.reset-button:hover{color:#842029;background-color:#f8d7da}.custom-alert{z-index:1000;border-radius:8px;align-items:center;gap:1rem;width:500px;max-width:90%;padding:1rem 1.5rem;font-size:1rem;font-weight:600;animation:.3s ease-out forwards fadeIn;display:flex;position:fixed;top:20px;left:50%;transform:translate(-50%);box-shadow:0 4px 12px rgba(0,0,0,.15)}.custom-alert p{flex-grow:1;margin:0}.alert-success{color:#2a6f5d;background-color:#eaf5e8;border:1px solid #c5e0c1}.alert-error{color:#721c24;background-color:#f8d7da;border:1px solid #f5c6cb}.alert-close-button{cursor:pointer;color:inherit;opacity:.7;background:0 0;border:none;padding:0 .5rem;font-size:1.5rem;font-weight:700;transition:opacity .2s}.alert-close-button:hover{opacity:1}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,-20px)}to{opacity:1;transform:translate(-50%)}}.confirm-modal-overlay{z-index:2000;background-color:rgba(33,37,41,.6);justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.confirm-modal-content{text-align:center;background-color:#fff;border-radius:16px;width:90%;max-width:450px;padding:2rem;animation:.3s ease-out modalContentFadeIn;box-shadow:0 8px 24px rgba(0,0,0,.15)}.confirm-modal-content h3{color:#343a40;margin-top:0;font-size:1.75rem}.confirm-modal-content p{color:#495057;margin-bottom:2rem;font-size:1.1rem;line-height:1.6}.confirm-modal-buttons{justify-content:center;gap:1rem;display:flex}.modal-button{cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-family:Merriweather,serif;font-size:1rem;font-weight:700;transition:all .2s}.modal-button-cancel{color:#495057;background-color:#e9ecef;border:1px solid #ced4da}.modal-button-cancel:hover{background-color:#dee2e6}.modal-button-confirm{color:#fff;background-color:#2a6f5d}.modal-button-confirm:hover{background-color:#205748}@keyframes modalContentFadeIn{0%{opacity:0;transform:scale(.95)translateY(-10px)}to{opacity:1;transform:scale(1)translateY(0)}}.fade-out{animation:.3s ease-out forwards fadeOut}@keyframes fadeOut{0%{opacity:1;transform:translate(-50%)}to{opacity:0;transform:translate(-50%,-20px)}}.leaderboard-container{text-align:center;background-color:#fff;border:1px solid #dee2e6;border-radius:16px;width:100%;max-width:800px;margin-top:2rem;margin-bottom:2rem;padding:2rem;box-shadow:0 8px 20px rgba(0,0,0,.08)}.leaderboard-table{border-collapse:collapse;width:100%;margin-top:1.5rem}.leaderboard-table th,.leaderboard-table td{text-align:left;border-bottom:1px solid #e9ecef;padding:.8rem 1rem}.leaderboard-table th{color:#495057;font-size:1.1rem;font-weight:700}.leaderboard-table td{vertical-align:middle;font-size:1rem}.leaderboard-table tr:last-child td{border-bottom:none}.leaderboard-table th:first-child,.leaderboard-table td:first-child,.leaderboard-table th:last-child,.leaderboard-table td:last-child{text-align:center}.view-stats-button{color:#495057;cursor:pointer;background-color:#f8f9fa;border:1px solid #dee2e6;border-radius:6px;padding:.4rem .8rem;font-family:Merriweather,serif;font-size:.85rem;transition:all .2s}.view-stats-button:hover{background-color:#e9ecef;border-color:#ced4da;transform:translateY(-1px)}.stats-modal-content{text-align:center;background-color:#fff;border-radius:16px;width:90%;max-width:600px;padding:2rem;animation:.3s ease-out modalContentFadeIn;box-shadow:0 8px 24px rgba(0,0,0,.15)}.stats-modal-content h3{color:#343a40;margin-top:0;font-size:1.75rem}.modal-button-close{color:#fff;background-color:#6c757d;border:none;margin-top:1.5rem}.modal-button-close:hover{background-color:#5a6268}.pagination-container{justify-content:center;align-items:center;gap:8px;margin-top:24px;font-family:Lato,sans-serif;display:flex}.pagination-button{color:#374151;cursor:pointer;background-color:#fff;border:1px solid #d1d5db;border-radius:4px;padding:8px 14px;font-size:14px;transition:all .2s ease-in-out}.pagination-button:hover:not(:disabled){background-color:#f3f4f6;border-color:#9ca3af}.pagination-button.active{color:#fff;cursor:default;background-color:#2874a6;border-color:#2874a6;font-weight:700}.pagination-button:disabled{color:#9ca3af;cursor:not-allowed;background-color:#f9fafb}.pagination-ellipsis{color:#6b7280;padding:8px 4px;font-weight:700}