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#6366f180}.study-answer{animation:slideUp .4s cubic-bezier(.16,1,.3,1);width:100%;text-align:center}.translation{font-size:2.25rem;color:var(--color-primary);margin-bottom:.5rem;font-weight:600}.example{font-style:italic;color:var(--color-text-muted);font-size:1.1rem;margin-bottom:2.5rem;padding:1rem;background:var(--color-input-bg);border-radius:8px;display:inline-block}.rating-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem;width:100%}.btn-rate{padding:1rem;border:1px solid var(--color-border);border-radius:12px;background:var(--color-surface);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;align-items:center;gap:.5rem;height:100%}.btn-rate:hover{transform:translateY(-4px);border-color:var(--color-primary);box-shadow:0 10px 15px -3px 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.rate-emoji{transform:scale(1.2)}.rate-label{font-size:.85rem;font-weight:600;color:var(--color-text-muted)}.progress{color:var(--color-text-muted);font-size:.9rem;font-weight:500;background:var(--color-input-bg);padding:.5rem 1rem;border-radius:999px}.study-finished{text-align:center;margin-top:3rem;padding:3rem;background:var(--color-surface);border-radius:16px;border:1px solid var(--color-border);box-shadow:0 4px 6px -1px #0000001a}.study-finished h2{font-size:3rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--color-primary) 0%,#3b82f6 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.finished-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}.btn-training{background:var(--color-primary);color:#fff;border:none;padding:.75rem 2rem;font-size:1.1rem;border-radius:12px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-weight:600;box-shadow:0 4px 6px -1px #6366f166}.btn-training:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 10px 15px -3px #6366f180}.btn-home{background:var(--color-input-bg);color:var(--color-text-muted);border:1px solid transparent;padding:.75rem 2rem;font-size:1.1rem;border-radius:12px;cursor:pointer;transition:all .2s ease;font-weight:500}.btn-home:hover{background:var(--color-border);color:var(--color-text);transform:translateY(-2px)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){.study-container{padding:1rem}.rating-buttons{grid-template-columns:repeat(2,1fr)}.word-container h2{font-size:2.5rem}.translation{font-size:1.75rem}}.training-selection-container{padding:2rem;max-width:1200px;margin:0 auto}.training-selection-header{text-align:center;margin-bottom:3rem;color:var(--color-text)}.training-selection-header h1{font-size:2.5rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--color-primary) 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#0000001a;font-weight:600}.source-btn:hover:not(.active){background:#0000000d;color:var(--color-text)}@media(max-width:640px){.training-selection-container{padding:1rem}.training-options-grid{grid-template-columns:1fr}}.quiz-container.flashcard-mode{display:flex;flex-direction:column;align-items:center;max-width:800px;margin:0 auto;padding:20px;min-height:calc(100vh - 80px)}.quiz-header{width:100%;display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--color-border)}.flashcard{width:100%;max-width:400px;height:300px;perspective:1000px;cursor:pointer;margin:2rem 0}.flashcard-inner{position:relative;width:100%;height:100%;text-align:center;transition:transform .6s;transform-style:preserve-3d;box-shadow:0 4px 6px #0000001a;border-radius:12px}.flashcard.flipped 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.2s;color:var(--text-secondary)}.back-button:hover{background-color:var(--bg-secondary);color:var(--text-primary)}.word-set-selector{position:relative;margin-right:1rem}.word-set-toggle{display:flex;align-items:center;gap:.5rem;background:transparent;border:1px solid var(--color-border);padding:.5rem 1rem;border-radius:8px;color:var(--color-text);cursor:pointer;font-size:.9rem;transition:all .2s ease}.word-set-toggle:hover{background:var(--color-bg-hover);border-color:var(--color-primary)}.current-set-name{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.word-set-dropdown{position:absolute;top:100%;right:0;margin-top:.5rem;min-width:320px;width:max-content;max-width:90vw;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;box-shadow:0 10px 15px -3px #0000001a;z-index:50;overflow:hidden}.word-set-list{max-height:200px;overflow-y:auto;border-bottom:1px solid var(--color-border)}.word-set-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;cursor:pointer;transition:background .2s}.word-set-item:hover{background:var(--color-bg-hover)}.word-set-item.active{background:var(--color-primary-light);color:var(--color-primary);font-weight:500}.set-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-actions{display:flex;gap:.25rem;opacity:0;transition:opacity .2s}.word-set-item:hover .item-actions{opacity:1}.ws-action-btn{background:transparent;border:none;color:var(--color-text-muted);padding:2px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.ws-action-btn:hover{color:var(--color-primary)}.delete-btn:hover{color:#ef4444}.word-set-actions{padding:.5rem}.create-set-btn{display:flex;align-items:center;gap:.5rem;width:100%;padding:.5rem;background:transparent;border:1px dashed 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