.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:var(--bg-secondary);border-radius:20px;padding:40px;width:100%;max-width:400px;box-shadow:0 8px 32px #0000004d}.auth-card h1{font-size:32px;font-weight:600;margin-bottom:30px;text-align:center}.form-group{margin-bottom:20px}.form-group input{width:100%;padding:14px 16px;background:var(--bg-tertiary);color:var(--text-primary);border-radius:12px;font-size:16px;border:1px solid var(--border-color);transition:all .2s ease}.form-group input:focus{border-color:var(--accent-blue);background:var(--bg-secondary)}.btn-primary{width:100%;padding:14px;background:var(--accent-blue);color:#fff;border-radius:12px;font-size:16px;font-weight:500;margin-top:10px}.btn-primary:hover:not(:disabled){background:#0051d5;transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.error-message{color:var(--accent-red);font-size:14px;margin-bottom:10px;text-align:center}.auth-link{text-align:center;margin-top:20px;color:var(--text-secondary);font-size:14px}.auth-link a{color:var(--accent-blue);text-decoration:none}.auth-link a:hover{text-decoration:underline}.dashboard{min-height:100vh;padding:40px;max-width:1200px;margin:0 auto}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.dashboard-header h1{font-size:36px;font-weight:600}.header-actions{display:flex;gap:12px}.btn-primary{padding:12px 24px;background:var(--accent-blue);color:#fff;border-radius:12px;font-size:16px;font-weight:500;transition:all .2s ease}.btn-primary:hover{background:#0051d5;transform:translateY(-1px)}.btn-secondary{padding:12px 24px;background:var(--bg-tertiary);color:var(--text-primary);border-radius:12px;font-size:16px;font-weight:500;transition:all .2s ease}.btn-secondary:hover{background:var(--hover-bg)}.wordlists-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.wordlist-card{background:var(--bg-secondary);border-radius:16px;padding:24px;cursor:pointer;transition:all .2s ease;border:1px solid var(--border-color)}.wordlist-card:hover{background:var(--bg-tertiary);transform:translateY(-2px);box-shadow:0 8px 24px #0000004d}.wordlist-card h3{font-size:20px;font-weight:600;margin-bottom:12px}.word-count{color:var(--text-secondary);font-size:14px;margin-bottom:8px}.updated-time{color:var(--text-secondary);font-size:12px}.empty-state{grid-column:1 / -1;text-align:center;padding:60px 20px;color:var(--text-secondary)}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:18px;color:var(--text-secondary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:var(--bg-secondary);border-radius:20px;padding:32px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto}.modal-content h2{font-size:24px;font-weight:600;margin-bottom:24px}.modal-content .form-group{margin-bottom:20px}.modal-content input,.modal-content textarea{width:100%;padding:14px 16px;background:var(--bg-tertiary);color:var(--text-primary);border-radius:12px;font-size:16px;border:1px solid var(--border-color);font-family:inherit;resize:vertical}.modal-content input:focus,.modal-content textarea:focus{border-color:var(--accent-blue);outline:none}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.modal-actions button{min-width:100px}.wordlist-detail{min-height:100vh;padding:40px;max-width:1200px;margin:0 auto}.detail-header{margin-bottom:40px}.back-btn{background:none;color:var(--text-secondary);font-size:16px;margin-bottom:20px;padding:8px 0}.back-btn:hover{color:var(--text-primary)}.detail-header h1{font-size:36px;font-weight:600;margin-bottom:24px}.header-actions{display:flex;gap:12px;flex-wrap:wrap}.words-list{display:flex;flex-direction:column;gap:12px}.word-item{background:var(--bg-secondary);border-radius:12px;padding:20px;display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border-color);transition:all .2s ease}.word-item:hover{background:var(--bg-tertiary)}.word-main{display:flex;gap:20px;align-items:center;flex:1}.word-text{font-size:18px;font-weight:500;min-width:200px}.word-meaning{color:var(--text-secondary);font-size:16px}.word-meta{display:flex;align-items:center;gap:16px}.error-badge{color:var(--accent-red);font-size:14px}.star-btn{background:none;color:var(--text-secondary);font-size:24px;padding:4px 8px;border-radius:8px;transition:all .2s ease}.loading,.error{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:18px}.error{color:var(--accent-red)}.review-list{min-height:100vh;padding:40px;max-width:1200px;margin:0 auto}.review-header h1{font-size:36px;font-weight:600;margin-bottom:24px}.review-controls{display:flex;align-items:center;gap:20px}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;color:var(--text-secondary)}.checkbox-label input[type=checkbox]{width:18px;height:18px;cursor:pointer}.words-review-list{display:flex;flex-direction:column;gap:12px}.review-word-item{background:var(--bg-secondary);border-radius:12px;padding:24px;display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border-color);transition:all .2s ease}.review-word-item:hover{background:var(--bg-tertiary)}.review-word-main{display:flex;gap:24px;align-items:center;flex:1}.review-word-text{font-size:20px;font-weight:500;min-width:200px}.review-word-meaning{font-size:16px;padding:8px 16px;border-radius:8px;transition:all .2s ease;cursor:pointer}.review-word-meaning.hidden{background:var(--bg-tertiary);color:var(--text-secondary);opacity:.5}.review-word-meaning.hidden:hover{opacity:.8;background:var(--hover-bg)}.review-word-meaning.revealed{color:var(--text-primary);background:transparent}.star-btn{background:none;color:var(--text-secondary);font-size:28px;padding:4px 8px;border-radius:8px;transition:all .2s ease}.star-btn:hover{background:var(--bg-tertiary)}.star-btn.starred{color:gold}.input-practice{min-height:100vh;padding:40px;max-width:800px;margin:0 auto}.practice-header{margin-bottom:40px}.practice-controls{margin-top:20px}.practice-content{display:flex;flex-direction:column;align-items:center;gap:40px;padding:60px 20px}.progress-info{font-size:18px;color:var(--text-secondary)}.word-display h2{font-size:48px;font-weight:600;text-align:center;margin:0}.input-section{width:100%;max-width:500px;display:flex;flex-direction:column;gap:20px}.meaning-input{width:100%;padding:18px 24px;background:var(--bg-secondary);color:var(--text-primary);border-radius:16px;font-size:18px;border:2px solid var(--border-color);text-align:center;transition:all .2s ease}.meaning-input:focus{border-color:var(--accent-blue);background:var(--bg-tertiary)}.result-section{width:100%;max-width:500px;display:flex;flex-direction:column;gap:24px;align-items:center}.result-message{font-size:32px;font-weight:600;padding:20px 40px;border-radius:16px}.result-message.correct{color:var(--accent-green);background:#34c7591a}.result-message.incorrect{color:var(--accent-red);background:#ff3b301a}.correct-answer{font-size:20px;color:var(--text-secondary);text-align:center;padding:20px;background:var(--bg-secondary);border-radius:12px;width:100%}.quiz-container{min-height:100vh;padding:40px;max-width:900px;margin:0 auto}.quiz-header{margin-bottom:40px}.progress-bar{display:flex;gap:4px;margin-bottom:20px}.progress-segment{flex:1;height:8px;background:var(--bg-tertiary);border-radius:4px;transition:all .3s ease}.progress-segment.active{background:var(--accent-blue)}.quiz-content{display:flex;flex-direction:column;gap:32px}.question-number{font-size:18px;color:var(--text-secondary);font-weight:500}.question-text{font-size:24px;line-height:1.6;color:var(--text-primary)}.options-list{display:flex;flex-direction:column;gap:16px}.option{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:16px;text-align:left;font-size:18px;color:var(--text-primary);transition:all .2s ease;cursor:pointer}.option:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--accent-blue)}.option.selected{border-color:var(--accent-blue);background:#007aff1a}.option.correct{border-color:var(--accent-green);background:#34c7591a}.option.incorrect{border-color:var(--accent-red);background:#ff3b301a}.option.disabled{opacity:.5;cursor:not-allowed}.option:disabled{cursor:not-allowed}.option-result{font-size:14px;font-weight:500}.option.correct .option-result{color:var(--accent-green)}.option.incorrect .option-result{color:var(--accent-red)}.quiz-actions{display:flex;justify-content:flex-end;margin-top:20px}.quiz-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:40px}.loading-content{text-align:center;max-width:500px;width:100%}.loading-text{font-size:24px;font-weight:500;color:var(--text-primary);margin-bottom:30px}.progress-bar-container{width:100%;height:8px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden;margin-bottom:20px}.progress-bar-fill{height:100%;background:var(--accent-blue);border-radius:4px;transition:width .3s ease;box-shadow:0 0 10px #007aff80}.loading-hint{font-size:14px;color:var(--text-secondary);margin-top:20px}.quiz-hint{text-align:center;margin-top:20px;padding:16px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color)}.quiz-hint p{color:var(--text-secondary);font-size:14px;margin:0}.quiz-review{min-height:100vh;padding:40px;max-width:1000px;margin:0 auto}.review-header{margin-bottom:40px}.review-header h1{font-size:36px;font-weight:600;margin-top:20px}.review-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:40px}.stat-card{background:var(--bg-secondary);border-radius:16px;padding:24px;text-align:center;border:1px solid var(--border-color)}.stat-card.correct{border-color:var(--accent-green)}.stat-card.incorrect{border-color:var(--accent-red)}.stat-value{font-size:36px;font-weight:600;margin-bottom:8px}.stat-card.correct .stat-value{color:var(--accent-green)}.stat-card.incorrect .stat-value{color:var(--accent-red)}.stat-label{color:var(--text-secondary);font-size:14px}.questions-review{margin-top:40px}.questions-review h2{font-size:24px;font-weight:600;margin-bottom:24px}.review-question{background:var(--bg-secondary);border-radius:16px;padding:24px;margin-bottom:24px;border:1px solid var(--border-color)}.review-question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.question-number{font-size:16px;color:var(--text-secondary);font-weight:500}.question-status{font-size:16px;font-weight:600;padding:6px 12px;border-radius:8px}.question-status.correct{color:var(--accent-green);background:#34c7591a}.question-status.incorrect{color:var(--accent-red);background:#ff3b301a}.review-question-text{font-size:20px;line-height:1.6;margin-bottom:20px;color:var(--text-primary)}.review-options{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.review-option{display:flex;align-items:center;gap:12px;padding:16px;background:var(--bg-tertiary);border-radius:12px;border:2px solid transparent}.review-option.correct{border-color:var(--accent-green);background:#34c7591a}.review-option.user-wrong{border-color:var(--accent-red);background:#ff3b301a}.option-label{font-weight:600;min-width:24px}.option-text{flex:1}.option-mark{font-size:14px;font-weight:500;padding:4px 8px;border-radius:6px;background:var(--accent-green);color:#fff}.option-mark.wrong{background:var(--accent-red)}.review-word-info{padding-top:16px;border-top:1px solid var(--border-color);color:var(--text-secondary);font-size:14px}.review-word-info strong{color:var(--text-primary)}.quick-quiz-container{min-height:100vh;padding:40px;max-width:900px;margin:0 auto}.quick-quiz-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:18px;color:var(--text-secondary)}.quick-quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.back-btn{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:10px 20px;color:var(--text-primary);font-size:16px;cursor:pointer;transition:all .2s ease}.back-btn:hover{background:var(--bg-tertiary)}.quiz-stats{display:flex;gap:20px;align-items:center;font-size:16px}.question-count{color:var(--text-primary);font-weight:500}.error-count{color:var(--accent-red)}.correct-count{color:var(--accent-green)}.filter-section{display:flex;align-items:center;gap:12px;margin-bottom:30px;padding:16px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color)}.filter-section label{color:var(--text-primary);font-size:14px;font-weight:500}.filter-section select{padding:8px 16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:14px;cursor:pointer;outline:none}.filter-section select:disabled{opacity:.5;cursor:not-allowed}.filter-section select:focus{border-color:var(--accent-blue)}.quick-quiz-content{display:flex;flex-direction:column;align-items:center;gap:40px}.timer-circle{width:120px;height:120px;border-radius:50%;border:4px solid var(--accent-blue);display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);position:relative;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 0 #007aff66}50%{transform:scale(1.05);box-shadow:0 0 0 10px #007aff00}}.timer-text{font-size:48px;font-weight:700;color:var(--accent-blue)}.question-word{font-size:48px;font-weight:600;color:var(--text-primary);text-align:center;letter-spacing:2px}.options-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;width:100%;max-width:600px}.quick-option{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px;background:var(--bg-secondary);border:3px solid var(--border-color);border-radius:16px;text-align:left;font-size:20px;color:var(--text-primary);transition:all .2s ease;cursor:pointer;min-height:80px}.quick-option:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--accent-blue);transform:translateY(-2px);box-shadow:0 4px 12px #0003}.quick-option.selected{border-color:var(--accent-blue);background:#007aff1a;box-shadow:0 0 0 3px #007aff33}.quick-option.correct{border-color:var(--accent-green);background:#34c75926;animation:correctPulse .5s ease}@keyframes correctPulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.quick-option.incorrect{border-color:var(--accent-red);background:#ff3b3026;animation:shake .5s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.quick-option.disabled{opacity:.5;cursor:not-allowed}.quick-option:disabled{cursor:not-allowed}.option-label{font-weight:700;min-width:32px;font-size:24px;color:var(--accent-blue)}.option-text{flex:1;font-size:18px}.option-result{font-size:32px;font-weight:700}.quick-option.correct .option-result{color:var(--accent-green)}.quick-option.incorrect .option-result{color:var(--accent-red)}.quiz-actions{display:flex;justify-content:center;margin-top:20px}.btn-primary{padding:14px 32px;background:var(--accent-blue);color:#fff;border-radius:12px;font-size:18px;font-weight:500;transition:all .2s ease;cursor:pointer;border:none}.btn-primary:hover{background:#0051d5;transform:translateY(-2px);box-shadow:0 4px 12px #007aff4d}.correct-feedback{display:flex;justify-content:center;align-items:center;margin-top:20px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.correct-icon{font-size:48px;font-weight:700;color:var(--accent-green);padding:20px 40px;background:#34c7591a;border-radius:16px;border:2px solid var(--accent-green)}.keyboard-hint{text-align:center;margin-top:30px;padding:16px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color)}.keyboard-hint p{color:var(--text-secondary);font-size:14px;margin:0}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary);font-size:18px}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #000000;--bg-secondary: #1c1c1e;--bg-tertiary: #2c2c2e;--text-primary: #ffffff;--text-secondary: #98989d;--accent-blue: #007aff;--accent-green: #34c759;--accent-red: #ff3b30;--border-color: #38383a;--hover-bg: #2c2c2e}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh}#root{min-height:100vh}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .2s ease}input,textarea{font-family:inherit;outline:none;border:none}a{color:inherit;text-decoration:none}
