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#ddd;border-radius:0}.flashcard-result-correct{border-left-color:#58b271}.flashcard-result-incorrect{border-left-color:#c13f44}.flashcard-result-remaining{border-left-color:#413875}.flashcard-result-clickable{cursor:pointer}.flashcard-result-clickable:hover{background:#fafafa}.flashcard-result-value{font-family:Roboto,sans-serif;font-size:24px;font-weight:600;line-height:1.2;color:#000;text-align:center}.flashcard-result-label{font-family:Roboto,sans-serif;font-size:10px;font-weight:600;text-transform:uppercase;color:#000;line-height:1.2}.flashcard-current{display:flex;flex-direction:column;gap:18px;padding:20px 16px;flex:1;min-height:0}.flashcard-flip-scene{position:relative;height:200px;perspective:1000px}.flashcard-flip-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.4,.2,.2,1)}.flashcard-flip-inner.is-flipped{transform:rotateY(180deg)}.flashcard-flip-inner:not(.is-flipped) 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16px;height:100%;display:flex;flex-direction:row;align-items:stretch;gap:12px;overflow:hidden;min-height:0}.flashcard-display-card.points-10{border-left-color:#ffe350}.flashcard-display-card.points-20{border-left-color:#b0d235}.flashcard-display-card.points-30{border-left-color:#00adb9}button.flashcard-display-card--compact{width:100%;flex-shrink:0;min-height:76px;height:76px;max-height:76px;border-top:none;border-right:none;border-bottom:none;cursor:pointer;text-align:left;transition:background .15s ease}button.flashcard-display-card--compact:hover{background:#fafafa}button.flashcard-display-card--compact .flashcard-display-content{min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}button.flashcard-display-card--compact.is-current{background:#f3f1f8}.flashcard-display-meta{display:flex;flex-direction:column;justify-content:space-between;align-items:center;width:30px;flex-shrink:0;padding:2px 0}.flashcard-point-badge{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;font-family:Roboto Slab,Georgia,serif;font-size:18px;font-weight:600;line-height:1;color:#444}.flashcard-point-badge.points-10{background:#ffe350}.flashcard-point-badge.points-20{background:#b0d235}.flashcard-point-badge.points-30{background:#00adb9;color:#fff}.flashcard-q-badge{display:inline-flex;align-items:center;justify-content:center;min-width:31px;height:18px;padding:0 6px;border-radius:50px;background:#d9d9d9;font-family:Roboto 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#4138751f}.flashcard-toggle-btn:active{background:#f8f7fb}.flashcard-toggle-btn.is-on{border-color:#413875;background:#f3f1f8}.flashcard-toggle-icon-wrap{display:flex;align-items:center;justify-content:center;width:37px;height:30px;flex-shrink:0;border-right:1px solid #ececec}.flashcard-toggle-btn.is-on .flashcard-toggle-icon-wrap{border-right-color:#d9d4e8}.flashcard-toggle-icon{font-size:18px!important;color:#413875;line-height:1}.flashcard-toggle-label{flex:1;padding:0 10px 0 8px;text-align:left;white-space:nowrap;letter-spacing:.02em}.flashcard-main-modal-footer{display:flex;align-items:center;justify-content:center;gap:24px;padding:1.25rem 1rem 1.5rem;background:#ddd;flex-shrink:0}.flashcard-action-btn{display:flex;align-items:center;justify-content:center;padding:9px 30px;border:none;border-radius:4px;cursor:pointer;transition:opacity .15s ease}.flashcard-action-btn:hover{opacity:.9}.flashcard-action-btn:active{opacity:.85}.flashcard-action-btn .material-icons{font-size:48px;color:#fff}.flashcard-action-incorrect{background:#c13f44}.flashcard-action-correct{background:#58b271}.flashcard-results-list-overlay{z-index:1001}.flashcard-results-list-modal{display:flex;flex-direction:column}.flashcard-results-list-body{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.flashcard-results-list-intro{display:flex;flex-direction:column;align-items:center;gap:18px;padding:22px 12px;text-align:center;flex-shrink:0}.flashcard-results-list-intro h4{margin:0;font-family:Roboto Slab,Georgia,serif;font-size:22px;font-weight:600;text-transform:uppercase;color:#000;line-height:1.2}.flashcard-results-list-intro p{margin:0;font-family:Roboto Slab,Georgia,serif;font-size:14px;font-weight:500;color:#000;line-height:1.4}.flashcard-results-list-items{display:flex;flex-direction:column;gap:12px;padding:0 16px 20px;overflow-y:auto;flex:1 1 auto;min-height:0;-webkit-overflow-scrolling:touch}.flashcard-results-list-items .flashcard-display-content{overflow:hidden}.flashcard-results-list-empty{margin:0;padding:24px 12px;text-align:center;font-family:Roboto Slab,Georgia,serif;font-size:14px;color:#666;flex-shrink:0}.flashcard-results-list-modal .flashcard-conflict-modal-footer{margin-top:0;flex-shrink:0}.flashcard-question-options-overlay{z-index:1002}.flashcard-question-options-modal{background:#eee;border-radius:12px;padding:0;max-width:420px;width:90%;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d}.flashcard-question-options-intro{background:#ddd;width:100%}.flashcard-question-options-actions{display:flex;flex-direction:column;gap:12px;padding:18px 16px}.flashcard-question-option{width:100%;min-height:56px;padding:16px 16px 16px 18px}.flashcard-question-option-correct{border-left-color:#58b271}.flashcard-question-option-incorrect{border-left-color:#c13f44}.flashcard-question-option-undo{border-left-color:#413875}.flashcard-question-options-footer{margin-top:0}.flashcard-question-options-cancel{background:#6c757d}.flashcard-question-options-cancel:hover{background:#5a6268}@media (max-width: 900px){.flashcard-modal-overlay{padding:0;align-items:stretch;justify-content:stretch}.flashcard-main-modal,.flashcard-results-list-modal,.flashcard-completion-modal,.flashcard-question-options-modal{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border-radius:0;margin:0}.flashcard-conflict-modal{width:min(420px,calc(100vw - 2rem));max-width:min(420px,calc(100vw - 2rem));height:auto;max-height:min(80vh,calc(100dvh - 2rem));border-radius:12px;margin:auto}.flashcard-conflict-modal-header,.flashcard-main-modal-header,.flashcard-conflict-modal-footer{border-radius:0}.flashcard-result-card{gap:6px;padding:8px 10px}.flashcard-result-value{font-size:20px}.flashcard-main-modal-footer{padding:1rem .75rem 1.25rem;gap:16px}.flashcard-action-btn{padding:6px 22px}.flashcard-action-btn .material-icons{font-size:40px}}.flashcard-completion-body{display:flex;flex-direction:column;align-items:center;gap:18px;padding-bottom:20px}.flashcard-completion-intro{display:flex;flex-direction:column;align-items:center;gap:18px;width:100%;padding:22px 12px;background:#ddd;text-align:center;flex-shrink:0}.flashcard-completion-intro h4{margin:0;font-family:Roboto Slab,Georgia,serif;font-size:22px;font-weight:600;text-transform:uppercase;color:#000;line-height:1.2}.flashcard-completion-intro p{margin:0;max-width:260px;font-family:Roboto Slab,Georgia,serif;font-size:14px;font-weight:500;color:#000;line-height:1.4}.flashcard-completion-stats{display:flex;flex-direction:column;align-items:center;gap:18px;width:100%;padding:0 26px}.flashcard-completion-accuracy-card{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;width:100%;max-width:298px;min-height:120px;padding:12px;background:#fff;border-left:5px solid #413875}.flashcard-completion-accuracy-value{font-family:Roboto,sans-serif;font-size:54px;font-weight:600;line-height:1;color:#000;text-align:center}.flashcard-completion-accuracy-label{font-family:Roboto,sans-serif;font-size:20px;font-weight:600;text-transform:uppercase;color:#000;line-height:1.2}.flashcard-completion-results{display:flex;gap:12px;width:100%;max-width:298px}.flashcard-completion-footer{margin-top:0}.filter-change-modal:not(.flashcard-conflict-modal){background:#fff;border-radius:12px;padding:0;max-width:500px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.filter-change-modal:not(.flashcard-conflict-modal) .modal-header{background:#41337a;color:#fff;padding:1.5rem;border-radius:12px 12px 0 0;text-align:center}.filter-change-modal:not(.flashcard-conflict-modal) .modal-header h3{margin:0;font-size:1.3rem;font-weight:600;color:#fff}.filter-change-modal:not(.flashcard-conflict-modal) .modal-content{padding:2rem;box-shadow:none;border-radius:0;width:auto}.filter-change-modal:not(.flashcard-conflict-modal) .modal-content p{margin:0 0 1.5rem;color:#333;font-size:1rem;line-height:1.5}.choice-group{display:flex;flex-direction:column;gap:1rem}.radio-choice{display:flex;align-items:flex-start;gap:.75rem;padding:1rem;border:2px solid #e9ecef;border-radius:8px;cursor:pointer;transition:all .2s ease}.radio-choice:hover{border-color:#41337a;background-color:#f8f9ff}.radio-choice input[type=radio]{margin:0;width:18px;height:18px;accent-color:#41337a;cursor:pointer}.radio-choice span{flex:1;color:#333;font-size:1rem;line-height:1.4}.radio-choice input[type=radio]:checked+span{color:#41337a;font-weight:500}.filter-change-modal:not(.flashcard-conflict-modal) .modal-actions{padding:1.5rem 2rem 1.75rem;border-top:1px solid #e9ecef;display:flex;gap:1rem;justify-content:flex-end}.filter-change-modal:not(.flashcard-conflict-modal) .cancel-btn{background:#6c757d;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:500;transition:background .2s ease}.filter-change-modal:not(.flashcard-conflict-modal) .cancel-btn:hover{background:#5a6268}.filter-change-modal:not(.flashcard-conflict-modal) .continue-btn{background:#41337a;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:500;transition:background .2s ease}.filter-change-modal:not(.flashcard-conflict-modal) .continue-btn:hover{background:#352a63}.completion-modal{background:#fff;border-radius:16px;padding:0;max-width:450px;width:90%;box-shadow:0 25px 80px #0000004d;overflow:hidden}.completion-header{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;padding:2rem;text-align:center}.completion-header h2{margin:0 0 .5rem;font-size:1.8rem;font-weight:600}.completion-header p{margin:0;font-size:1.1rem;opacity:.9}.completion-content{padding:2rem}.completion-stats{display:flex;justify-content:space-around;margin-bottom:1.5rem;padding:1rem;background:#f8f9fa;border-radius:8px}.stat-item{text-align:center;display:flex;flex-direction:column;gap:.25rem}.stat-label{font-size:.9rem;color:#6c757d;font-weight:500}.stat-value{font-size:1.5rem;font-weight:700;color:#28a745}.completion-message{text-align:center;margin-top:1rem}.completion-message p{margin:0;font-size:1.1rem;color:#333;line-height:1.5}.completion-actions{padding:1.5rem 2rem;border-top:1px solid #e9ecef;text-align:center}.completion-btn{background:#28a745;color:#fff;border:none;padding:.75rem 2rem;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .2s ease;min-width:120px}.completion-btn:hover{background:#218838;transform:translateY(-1px)}.branching-point{background-color:#fff;border:1px solid #e9ecef;border-radius:3px;padding:1px 3px;margin:0 1px;position:relative;cursor:help;transition:all .2s ease}.branching-point:hover{background-color:#f8f9fa;border-color:#dee2e6;transform:scale(1.05)}.branching-point.optimal,.branching-point.optimal-safe,.branching-point.optimal-medium,.branching-point.optimal-risky{font-weight:700}.border-next-unique-safe{border-right:4px solid #28a745!important}.border-next-unique-medium{border-right:4px solid #ffc107!important}.border-next-unique-risky{border-right:4px solid #fd7e14!important}.border-next-unique-none{border-right:4px solid #dc3545!important}.branching-point[data-is-unique=true]{border-right:4px solid #28a745!important}.branching-point.optimal-safe:not(:first-child){border-right:4px solid #28a745!important}.branching-point.border-next-unique-safe+.branching-point.optimal-safe{border-right:1px solid #e9ecef!important}.branching-point.non-unique{background-color:#f8d7da;border-color:#f5c6cb}.branching-point.non-unique:hover{background-color:#f5c6cb;border-color:#f1b0b7}.branching-point:after{position:absolute;bottom:100%;left:50%;transform:translate(-50%);background-color:#333;color:#fff;padding:5px 8px;border-radius:4px;font-size:.8rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1000}.branching-point:hover:after{opacity:1}.branching-point[data-word-count="1"].optimal-safe{padding:1px 0 1px 5px}.branching-point[data-word-count="1"]{padding:1px 5px 1px 0}.branching-point[data-word-count="2"]{padding:1px 2px}.branching-point[data-word-count="3"]{padding:3px 9px}.branching-point[data-word-count="4"]{padding:4px 12px}.branching-point[data-word-count="5"]{padding:5px 15px}.branching-point[data-word-count]{border-right:3px solid 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h4{font-size:1.3rem;font-weight:600;margin-bottom:10px;color:#fff}.strategy-step .step-content p{color:#ffffffe6;line-height:1.6;margin:0}.success-tips h3{text-align:center;font-size:2rem;font-weight:600;margin-bottom:40px;color:#fff}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.tip-item{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:30px;border-radius:12px;border:1px solid rgba(255,255,255,.2);text-align:center;border-top:4px solid rgba(255,255,255,.6);transition:transform .3s ease,background .3s ease}.tip-item:hover{transform:translateY(-5px);background:#fff3}.tip-item:nth-child(2){border-top-color:#764ba2cc}.tip-item:nth-child(3){border-top-color:#fc4d2dcc}.tip-item:nth-child(4){border-top-color:#b0d235cc}.tip-icon{font-size:2.5rem;margin-bottom:20px}.tip-item h4{font-size:1.3rem;font-weight:600;margin-bottom:15px;color:#fff}.tip-item p{color:#ffffffe6;line-height:1.6;margin:0}@media (max-width: 768px){.game-content{grid-template-columns:1fr;gap:40px}.mechanics-grid,.scoring-grid,.strategy-steps,.tips-grid{grid-template-columns:1fr}.game-explanation-section h2{font-size:2rem}.mechanic-item,.strategy-step,.tip-item,.competition-format{padding:20px}}.speedmaster-section{padding:80px 0;background-color:#00363a;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 800 800'%3E%3Cg %3E%3Ccircle fill='%2300363A' cx='400' cy='400' r='600'/%3E%3Ccircle fill='%23004c51' cx='400' cy='400' r='500'/%3E%3Ccircle fill='%2300636a' cx='400' cy='400' r='400'/%3E%3Ccircle fill='%23007b83' cx='400' cy='400' r='300'/%3E%3Ccircle fill='%2300939e' cx='400' cy='400' r='200'/%3E%3Ccircle fill='%2300ADB9' cx='400' cy='400' 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h4{font-size:1.4rem;font-weight:600;margin-bottom:20px;color:#fff;text-align:center}.benefit-column ul{list-style:none;padding:0;margin:0}.benefit-column li{color:#ffffffe6;margin-bottom:12px;padding-left:25px;position:relative;line-height:1.5}.traditional li{color:#ffffffb3}.vs-divider{font-size:1.5rem;font-weight:700;color:#fff;text-align:center;padding:20px;background:#ffffff1a;border-radius:50%;width:60px;height:60px;display:flex;align-items:center;justify-content:center}.getting-started{text-align:center;background:#ffffff0d;padding:40px;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.getting-started h3{font-size:2rem;font-weight:600;margin-bottom:20px;color:#fff}.getting-started p{color:#ffffffe6;line-height:1.7;margin-bottom:30px;max-width:600px;margin-left:auto;margin-right:auto}.speedmaster-section .home-sm-block{margin:2.5rem 0 2.75rem}.speedmaster-section .home-sm-block>h3{font-size:1.55rem;font-weight:600;margin:0 0 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