@tailwind base;@tailwind components;@tailwind utilities;body{box-sizing:border-box;color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;line-height:1.5}*,:after,:before{box-sizing:inherit}h1{color:#1a202c;font-size:2rem;margin-bottom:1.5rem}button{background-color:initial;border:none;cursor:pointer;font-family:inherit;padding:0}a{color:#3182ce;text-decoration:none;transition:color .2s ease}a:hover{color:#2b6cb0}ol,p,ul{margin-bottom:1rem}ol,ul{padding-left:1.5rem}img{display:block;height:auto;max-width:100%}.container{background-color:initial;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem;width:100%}.flex-center{align-items:center;display:flex;justify-content:center}.text-center{text-align:center}.bg-primary{background-color:#3182ce}.text-primary{color:#3182ce}.header-nav{gap:2rem}.nav-link{color:#4a5568;font-size:1rem}.nav-link:hover{color:#2d3748}#root,.app-container,.homepage-container,body>div{background-color:#f5f5f0!important;border:none!important;box-shadow:none!important}.training-page{background-color:#fff;display:flex;flex-direction:column;height:100vh;overflow-y:auto;scroll-behavior:smooth;scroll-snap-type:y mandatory;width:100%}.training-header{align-items:center;background-color:#f8f9fa;border-bottom:1px solid #e9ecef;display:flex;justify-content:space-between;padding:1rem 2rem}.countdown-calendar{align-items:center;background-color:#fff;border-radius:10px;box-shadow:0 4px 10px #0000001a;display:flex;flex-direction:column;left:1%;padding:1rem;position:absolute;top:20px;width:220px;z-index:20}.part2-active .countdown-calendar{top:120px}.calendar-content{align-items:center;display:flex;margin-bottom:.5rem}.days-left{color:#8a2be2;font-size:2.5rem;font-weight:700}.days-text{color:#4a5568;font-size:1.2rem;margin-left:.5rem}.exam-date{color:#4a5568;font-size:1rem}.user-info{flex-direction:column}.welcome-text{color:#8a2be2;font-size:1.5rem;font-weight:600}.purpose{color:#4a5568;font-size:1rem}.header-nav{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:flex-end}.nav-link{border-radius:4px;color:#3182ce;cursor:pointer;font-size:1.1rem;padding:.25rem .5rem;text-decoration:none;transition:color .2s}.nav-button-blue{background-color:#3182ce;border-radius:6px;color:#fff;padding:.5rem 1rem;transition:all .2s ease}.nav-button-blue:hover{background-color:#2b6cb0;box-shadow:0 4px 6px #0000001a;transform:translateY(-2px)}.nav-link.bold{font-weight:700}.nav-link:hover{background-color:#3182ce1a;color:#2b6cb0}.nav-link.nav-button-blue:hover{background-color:#2b6cb0;color:#fff}.training-content{display:flex;flex:1;margin-top:0}.training-main{flex:1;overflow-x:auto;padding:1rem;position:relative;width:100%}.part-content{box-sizing:border-box;display:flex;margin:0;max-width:none;overflow-x:visible;overflow-y:visible;padding:0;position:relative;width:100%}.training-sidebar{align-items:center;background-color:#f8f9fa;border-right:1px solid #e9ecef;display:flex;justify-content:center;padding:2rem 0;width:250px}.training-nav{display:flex;flex-direction:column;gap:4rem;height:100%;justify-content:space-between;padding:0 1.5rem;position:relative;width:100%}.training-nav:before{background:repeating-linear-gradient(180deg,#9370db 0,#9370db 8px,#0000 0,#0000 12px);bottom:0;content:"";left:50%;position:absolute;top:0;transform:translateX(-50%);width:2px}.nav-item{background-color:#fff;border:none;border-radius:8px;box-shadow:0 2px 4px #0000000d;color:#4a5568;cursor:pointer;font-size:1rem;font-weight:500;margin:0 auto;padding:1rem;text-align:center;transition:all .2s;width:80%}.nav-item,.nav-item span{position:relative;z-index:1}.nav-item:hover{background-color:#edf2f7;transform:translateY(-2px)}.nav-item.active{background-color:#8a2be2;color:#fff}.game-container{display:flex;gap:1.5rem;overflow:visible;width:100%}.time-settings-area{flex-shrink:0;min-width:250px;width:250px}.time-settings-area h2{font-size:1.1rem;line-height:1.5;margin-bottom:1rem}.time-settings-area .text-lg{font-size:1rem}.game-board-area{flex-shrink:1;min-width:auto;width:75%}.part-content h2{color:#2d3748;font-size:1.8rem;margin-bottom:1rem}.part-content p{color:#4a5568;margin-bottom:2rem}.exercise-section{background-color:#f8f9fa;border-radius:10px;margin-top:2rem;padding:1.5rem}.exercise-section h3{color:#2d3748;font-size:1.4rem;margin-bottom:1.5rem}.question-card{background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;padding:1.5rem}.question{color:#2d3748;font-size:1.1rem;font-weight:500;margin-bottom:1.5rem}.question-card ul{margin-bottom:1.5rem;padding-left:1.5rem}.question-card li{color:#4a5568;margin-bottom:.5rem}.practice-button{background-color:#8a2be2;border-radius:8px;font-weight:500;padding:.75rem 2rem;transition:all .2s}.practice-button:hover{background-color:#72c}.grid{display:grid;gap:1rem;grid-template-columns:repeat(4,1fr);margin-bottom:1.5rem;width:100%}.training-container{display:flex;flex-shrink:0;justify-content:center;margin-left:100px;position:relative;width:520px}.game-area{align-items:center;gap:1rem;width:80%}.game-area,.right-panel{display:flex;flex-direction:column;flex-shrink:0;position:relative}.right-panel{background-color:#f7fafc;border:2px solid #3182ce;border-radius:8px;box-sizing:border-box;height:704px;margin:20px 20px 20px 0;max-width:300px;min-width:225px;width:100%}.chat-header{background-color:#f5f5f5;border-bottom:1px solid #e0e0e0;border-top-left-radius:8px;border-top-right-radius:8px;padding:10px 15px}.chat-title{color:#2d3748;font-size:1.2rem;font-weight:600;text-align:center}.chat-messages{gap:1rem;max-height:calc(100% - 60px);scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.chat-messages::-webkit-scrollbar-thumb{background:#ccc;border-radius:10px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#3182ce}.message{align-items:flex-start;max-width:80%}.message.mentor{align-self:flex-start}.message.user{align-self:flex-end;flex-direction:row-reverse}.avatar-container{align-items:center;display:flex;flex-direction:column;gap:.25rem}.message.mentor .avatar-container{align-self:flex-start}.message.user .avatar-container{align-self:flex-end}.user-name{color:#4a5568;font-size:.8rem;font-weight:500}.message.mentor .user-name{color:#2b6cb0}.message.user .user-name{color:#805ad5}.avatar{border-radius:50%;flex-shrink:0;height:40px;width:40px}.avatar.mentor{background-color:#4299e1}.avatar.mentor,.avatar.user{align-items:center;color:#fff;display:flex;font-weight:600;justify-content:center}.avatar.user{background-color:#9f7aea}.message-content{border-radius:1rem;line-height:1.4;padding:.75rem 1rem}.message.mentor .message-content{background-color:#e2e8f0;border-bottom-left-radius:.25rem}.message.user .message-content{background-color:#4299e1;border-bottom-right-radius:.25rem;color:#fff}.message-time{color:#718096;font-size:.75rem;margin-top:.25rem}.message.mentor .message-time{text-align:left}.message.user .message-time{text-align:right}@media (max-width:1400px){.part2-card-container{align-items:center;flex-direction:column;gap:1.5rem;padding-bottom:100px}.part2-topic-card{max-width:500px;width:85%}.part2-timer{max-width:400px;width:85%}.part2-countdown-container{max-width:600px;width:85%}.right-panel{max-width:500px;width:85%}}@media (max-width:1024px){.training-container{margin-left:10px;width:100%}.part2-card-container{align-items:center;flex-direction:column;padding-bottom:50px;padding-left:1rem;padding-right:1rem}.part2-topic-card{max-width:600px;width:95%}.part2-timer{max-width:450px;width:95%}.part2-countdown-container,.right-panel{max-width:600px;width:95%}.right-panel{margin:20px auto}.countdown-calendar{font-size:.9rem;left:10px;width:180px}.part-content{padding:0 .5rem}}@media (max-width:768px){.training-header{align-items:flex-start;flex-direction:column;gap:1rem}.header-nav{justify-content:space-between;width:100%}.training-content{flex-direction:column}.training-sidebar{border-bottom:1px solid #e9ecef;border-right:none;padding:1rem 0;width:100%}.training-nav{flex-direction:row;overflow-x:auto;padding:0 1rem}.nav-item{white-space:nowrap}.training-nav{gap:2rem}.nav-item{width:90%}.game-container{flex-direction:column}.time-settings-area{min-width:auto;width:100%}.game-board-area{width:100%}.grid{grid-template-columns:repeat(2,1fr);width:400px}.part-content{flex-direction:column;padding-left:0}.right-panel{height:800px;margin:20px auto;max-width:400px;width:95%}.training-container{margin-left:0;width:100%}.part3-main-container{display:flex;flex-direction:column;gap:15px}.part3-chat-panel{height:auto;min-height:400px}.part3-timer{width:100%}.countdown-calendar{display:none}}.system-message{background-color:#f5f5f5;border-radius:4px;color:#666;font-size:.9em;font-style:italic;margin:1rem 0;padding:.5rem;text-align:center}.countdown-timer{color:red;font-size:1.5rem;font-weight:700}.countdown-timer.completed{color:#3182ce;font-size:1rem;font-weight:400}.recording-status{background-color:#f8f9fa!important;border:1px solid #e9ecef!important;border-radius:30px!important;box-shadow:0 2px 5px #0000000d!important;gap:12px!important;justify-content:center!important;margin:10px auto!important;max-width:280px!important;padding:8px 20px!important;width:auto!important;z-index:10!important}.recording-indicator,.recording-status{align-items:center!important;display:flex!important}.recording-indicator{gap:2px!important;height:15px!important}.recording-text{font-weight:500!important}@keyframes dice-spin{0%{transform:rotate(0deg) scale(1)}50%{transform:rotate(180deg) scale(1.2)}to{transform:rotate(1turn) scale(1)}}.animate-spin{animation:dice-spin .5s linear infinite}.voice-message{align-items:center;background-color:#f0f7ff;border:none;border-radius:18px;cursor:pointer;display:flex;justify-content:space-between;padding:8px 15px;transition:background-color .2s;width:180px}.message.user .voice-message{background-color:#4299e1;border:none;color:#fff}.voice-message:hover{background-color:#e1f0ff}.message.user .voice-message:hover{background-color:#3c8bd9}.voice-icon{font-size:1.2rem;margin-right:10px}.voice-message-container{display:flex;flex-direction:column;gap:8px}.voice-waveform{align-items:center;display:flex;flex:1;height:20px;margin-left:10px}.wave{animation:wave 1.5s ease-in-out infinite;background-color:#4299e1;border-radius:2px;height:10px;margin:0 3px;width:3px}.message.user .wave{background-color:#fff}.wave:first-child{animation-delay:0s;height:8px}.wave:nth-child(2){animation-delay:.2s;height:14px}.wave:nth-child(3){animation-delay:.4s;height:10px}.wave:nth-child(4){animation-delay:.6s;height:12px}.part2-content-area{display:flex;flex:1;flex-direction:column;gap:1.5rem;padding:1rem 1rem 1rem 0}.part2-header{margin-bottom:1rem;text-align:center}.part2-header h2{color:#8a2be2;font-size:1.75rem;font-weight:700;margin-bottom:.5rem}.part2-header p{color:#4a5568;font-size:1rem}.part2-card-container{align-items:stretch;display:flex;flex-wrap:wrap;gap:2rem;justify-content:flex-start;margin-bottom:2rem;margin-left:-50px;padding-bottom:200px;position:relative}.part2-topic-card{background-color:#fff;border:2px solid #8a2be2;border-radius:8px;box-shadow:0 4px 6px #0000001a;display:flex;flex:1 1 auto;flex-direction:column;max-width:400px;min-width:300px;overflow:hidden;position:relative;top:0;width:100%}.card-header{align-items:center;background-color:#8a2be2;color:#fff;display:flex;justify-content:space-between;padding:.75rem 1rem}.card-title{font-size:1.2rem;font-weight:600}.get-topic-btn{background-color:#fff;border:none;border-radius:4px;color:#8a2be2;cursor:pointer;font-size:.9rem;font-weight:600;padding:.4rem .8rem;transition:all .2s}.get-topic-btn:hover{background-color:#f0f0f0;transform:translateY(-1px)}.card-content{flex-grow:1;padding:1.5rem}.card-instruction{color:#2d3748;font-size:1.3rem;font-weight:600;margin-bottom:1.5rem;text-align:center}.card-prompts{list-style-type:disc;padding-left:1.5rem}.card-prompts li{color:#4a5568;font-size:1.1rem;line-height:1.4;margin-bottom:.8rem}.part2-timer{background-color:#fff;border:2px solid #8a2be2;border-radius:8px;box-shadow:0 4px 6px #0000001a;display:flex;flex:0 1 auto;flex-direction:column;max-width:300px;min-width:280px;overflow:hidden;width:100%}.part2-timer>div:nth-child(2),.part2-topic-card>.card-content{flex-grow:1;padding:1.5rem}.part2-timer .timer-section:last-child{margin-bottom:1.5rem}.part2-timer .start-practice-btn{border-top-left-radius:0;border-top-right-radius:0;margin:0;padding-bottom:1rem;padding-top:1rem}.timer-section{display:flex;flex-direction:column;gap:.5rem}.timer-label{color:#4a5568;font-size:1rem;font-weight:600}.timer-controls{background-color:#f8f9fa;border-radius:6px;justify-content:space-between;padding:.5rem}.timer-btn,.timer-controls{align-items:center;display:flex}.timer-btn{background-color:#8a2be2;border:none;border-radius:50%;color:#fff;cursor:pointer;font-size:1.2rem;font-weight:700;height:36px;justify-content:center;transition:all .2s;width:36px}.timer-btn:hover{background-color:#72c;transform:scale(1.05)}.timer-value{color:#2d3748;font-size:1.3rem;font-weight:700}.start-practice-btn{background-color:#4caf50;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;margin-top:auto;padding:.8rem 1.5rem;text-align:center;transition:all .2s;width:100%}.start-practice-btn:hover{background-color:#43a047;box-shadow:0 4px 8px #0000001a;transform:translateY(-2px)}.part2-countdown-container{align-items:flex-start;justify-content:center;margin:1rem auto;max-width:700px;padding:1rem;position:relative;z-index:5}.part2-countdown,.part2-countdown-container{box-sizing:border-box;display:flex;width:100%}.part2-countdown{align-items:center;background-color:#fff;border:2px solid #8a2be2;border-radius:8px;box-shadow:0 4px 6px #0000001a;flex-direction:column;gap:1rem;justify-content:flex-start;margin:20px auto 0;max-width:500px;min-width:280px;padding:1.5rem;pointer-events:auto;z-index:20}.phase-indicator{color:#8a2be2;font-size:1.5rem;font-weight:700;text-align:center}.countdown-display{align-items:baseline;display:flex;gap:.5rem;justify-content:center}.countdown-number{color:red;font-size:3rem;font-weight:700}.countdown-unit{color:#4a5568;font-size:1.5rem}.phase-tips{color:#4a5568;font-size:1.1rem;font-weight:500;text-align:center;width:100%}.start-practice-btn:disabled{background-color:#9ca3af;box-shadow:none;cursor:not-allowed;transform:none}.part2-recording-status{align-items:center;animation:pulse-recording 2s infinite;background-color:#fff0f0;border:2px solid red;border-radius:8px;display:flex;gap:.75rem;justify-content:center;margin-top:1rem;padding:.5rem 1rem;width:100%}.recording-indicator{align-items:flex-end;gap:3px;height:20px}.recording-wave{background-color:red!important;border-radius:1px!important;display:block!important;height:5px!important;width:3px!important}.recording-wave:first-child{animation:recording-wave .5s ease-in-out infinite!important}.recording-wave:nth-child(2){animation:recording-wave .5s ease-in-out .1s infinite!important}.recording-wave:nth-child(3){animation:recording-wave .5s ease-in-out .2s infinite!important}.recording-wave:nth-child(4){animation:recording-wave .5s ease-in-out .3s infinite!important}.recording-wave:nth-child(5){animation:recording-wave .5s ease-in-out .4s infinite!important}.recording-text{color:red!important;font-size:1.1rem!important;font-weight:600!important;white-space:nowrap!important}@keyframes recording-wave{0%,to{height:5px}50%{height:15px}}@keyframes pulse-recording{0%,to{box-shadow:0 0 0 0 #f006}50%{box-shadow:0 0 0 5px #f003}}.transcription-container{margin-top:15px;width:100%}.transcription-content{word-wrap:break-word;background-color:#fff;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 1px 3px #0000001a;color:#2d3748;font-size:.95rem;line-height:1.5;max-height:150px;overflow-y:auto;padding:12px 15px}.completion-modal-overlay{align-items:center;background-color:#000000b3;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.completion-modal{background:#fff;border-radius:10px;box-shadow:0 5px 15px #0003;max-width:500px;min-width:400px;padding:30px;position:relative;text-align:center}.completion-modal h3{color:#333;font-size:20px;margin-bottom:15px;margin-top:0}.completion-modal p{color:#666;margin-bottom:20px}.close-modal-btn{align-items:center;background:#f0f0f0;border:none;border-radius:50%;cursor:pointer;display:flex;font-size:20px;height:28px;justify-content:center;line-height:1;position:absolute;right:10px;top:10px;transition:background-color .3s;width:28px}.close-modal-btn:hover{background-color:#e0e0e0}.completion-modal-buttons{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-around}.repeat-topic-btn{background-color:#9c27b0;border:none;border-radius:5px;color:#fff;cursor:pointer;font-weight:700;padding:10px 20px;transition:all .3s ease}.repeat-topic-btn:hover{box-shadow:0 4px 6px #0000001a;transform:translateY(-2px)}.repeat-topic-btn:active{box-shadow:none;transform:translateY(0)}.close-report-btn,.download-history-btn,.end-training-btn,.new-round-btn,.view-report-btn{border:none;border-radius:5px;cursor:pointer;font-weight:700;padding:10px 20px;transition:all .3s ease}.new-round-btn{background-color:#4caf50;color:#fff}.end-training-btn{background-color:#f44336;color:#fff}.download-history-btn{background-color:#2196f3;color:#fff}.view-report-btn{background-color:#ff9800;color:#fff}.download-history-btn:hover,.end-training-btn:hover,.new-round-btn:hover,.view-report-btn:hover{box-shadow:0 4px 6px #0000001a;transform:translateY(-2px)}.download-history-btn:active,.end-training-btn:active,.new-round-btn:active,.view-report-btn:active{box-shadow:none;transform:translateY(0)}.report-buttons{display:flex;justify-content:space-between;margin-top:20px}.back-to-options-btn{background-color:#4a90e2;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:700;padding:10px 15px;transition:background-color .3s}.back-to-options-btn:hover{background-color:#3a7bc8}.close-report-btn{background-color:#e74c3c;border-radius:4px;font-weight:700;padding:10px 15px;transition:background-color .3s}.close-report-btn:hover{background-color:#c0392b}.score-report-modal{background-color:#fff;border-radius:8px;box-shadow:0 5px 15px #0000004d;max-height:90vh;max-width:600px;overflow-y:auto;padding:20px;position:relative;width:90%}.score-report-modal h3{border-bottom:1px solid #eee;color:#333;font-size:24px;margin-bottom:20px;margin-top:0;padding-bottom:15px;text-align:center}.score-report-content{padding:10px}.score-item{margin-bottom:25px;position:relative}.score-item h4{color:#444;font-size:18px;margin-bottom:10px;margin-top:0}.score-bar{background-color:#f0f0f0;border-radius:4px;display:inline-block;height:8px;margin-bottom:10px;width:80%}.score-fill{background-color:#4caf50;border-radius:4px;height:100%}.score-value{color:#4caf50;font-size:22px;position:absolute;right:0;top:0}.score-feedback{border-left:3px solid #ddd;color:#666;font-size:14px;margin-top:5px;padding-left:10px}.overall-score{background-color:#f9f9f9;border-radius:8px;margin-top:30px;padding:20px;position:relative}.overall-score h4{color:#333;font-size:20px;margin-bottom:15px;margin-top:0}.overall-score-circle{align-items:center;background-color:#ff9800;border-radius:50%;box-shadow:0 3px 5px #0003;color:#fff;display:flex;font-size:24px;font-weight:700;height:60px;justify-content:center;position:absolute;right:20px;top:20px;width:60px}.overall-score p{color:#555;font-size:15px;line-height:1.5}.close-report-btn{background-color:#555;border:none;border-radius:5px;color:#fff;cursor:pointer;display:block;font-size:16px;margin:20px auto 0;padding:10px 25px;transition:background-color .3s ease}.close-report-btn:hover{background-color:#333}.part3-content-area{display:flex;flex-direction:column;gap:15px;padding:15px 15px 15px 0;width:100%}.part3-main-container{align-items:flex-start;display:grid;gap:20px;grid-template-columns:3fr 1.75fr;margin-left:10%;width:64%}.part3-chat-panel{background-color:#fff;border:2px solid #8a2be2;border-radius:8px;box-shadow:0 4px 6px #0000001a;display:flex;flex-direction:column;height:500px;max-height:600px;overflow:hidden;width:100%}.part3-chat-panel .chat-header{align-items:center;background-color:#f9f9f9;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;padding:12px 15px}.part3-chat-panel .chat-messages{background-color:#fafafa;display:flex;flex:1;flex-direction:column;gap:10px;max-height:450px;overflow-y:auto;padding:15px}.part3-recording-container{background-color:#f5f5f5;border-top:1px solid #e0e0e0;padding:12px 15px}.part3-recording-status{align-items:center;display:flex;gap:8px;margin-bottom:8px}.part3-timer{background-color:#fff;border:2px solid #8a2be2;border-radius:8px;box-shadow:0 4px 6px #0000001a;display:flex;flex-direction:column;gap:15px;height:500px;justify-content:flex-start;padding:15px}.part3-timer .timer-section:first-child{margin-top:5px}.part3-timer .part3-countdown{margin-bottom:20px;margin-top:20px}.part3-timer .start-practice-btn{margin-top:auto;width:100%}.part3-countdown{background-color:#f0f8ff;border:1px solid #d0e3f7;border-radius:8px;margin-top:10px;padding:10px;text-align:center}.part3-countdown .phase-indicator{color:#2c5282;font-weight:700;margin-bottom:5px}.part3-countdown .countdown-display{color:#1a365d;font-size:24px;font-weight:700}.part3-countdown .countdown-unit{color:#4a5568;font-size:16px;margin-left:2px}.message.mentor .avatar{background-color:#8a2be2}.part3-chat-panel .message.mentor .avatar{background-color:#2c3e50}.part3-chat-panel .message{align-items:flex-start;display:flex;margin-bottom:10px}.part3-chat-panel .message-wrapper{display:flex;flex:1;flex-direction:column}.part3-chat-panel .message.mentor .avatar{background-color:#8a2be2;color:#fff}.part3-chat-panel .message.user .avatar{background-color:#3498db;color:#fff}.change-topic-btn{background-color:#4a90e2;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9em;font-weight:700;padding:5px 10px;transition:background-color .2s}.change-topic-btn:hover{background-color:#3a7bc8}.change-topic-btn:active{background-color:#2c5d99}.voice-text{font-size:14px;margin-left:8px}.relisten-button{background-color:#f0f0f0;border:1px solid #ddd;border-radius:4px;cursor:pointer;font-size:12px;margin-top:5px;padding:4px 10px;transition:all .2s}.relisten-button:hover{background-color:#e0e0e0;transform:translateY(-1px)}.listening-tip{align-items:center;background-color:#fffbea;border:1px dashed #f0c040;border-radius:6px;display:flex;font-size:.9rem;gap:8px;margin-top:8px;padding:8px 12px}.tip-icon{font-size:1.2rem}.tip-text{color:#6b5900;line-height:1.4}.report-modal-overlay{background-color:#000000b3;height:100%;width:100%;z-index:1100}.finalize-btn{background-color:#95a5a6;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:700;margin-top:10px;padding:10px 20px;transition:background-color .3s}.finalize-btn:hover{background-color:#7f8c8d}.additional-buttons{border-top:1px solid #eee;margin-top:15px;padding-top:10px;text-align:center}.dialogue-history-modal{background-color:#fff;border-radius:8px;box-shadow:0 5px 15px #0000004d;max-height:80vh;max-width:700px;overflow-y:auto;padding:20px;position:relative;width:90%}.history-notice{background-color:#fdeaea;border-radius:4px;color:#e74c3c;font-size:14px;font-weight:700;margin-bottom:15px;padding:10px;text-align:center}.history-content{margin-bottom:20px;max-height:50vh;overflow-y:auto;padding:0 10px}.no-history{color:#888;font-style:italic;margin:30px 0;text-align:center}.history-date-group{border-bottom:1px solid #eee;margin-bottom:20px;padding-bottom:15px}.history-date-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:10px}.history-date-header h4{color:#2c3e50;margin:0}.export-date-btn{background-color:#27ae60;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:12px;padding:5px 10px;transition:background-color .3s}.export-date-btn:hover{background-color:#219653}.history-rounds{display:flex;flex-direction:column;gap:10px}.history-round{background-color:#f9f9f9;border:1px solid #eee;border-radius:6px;cursor:pointer;padding:10px;transition:background-color .2s}.history-round:hover{background-color:#f0f0f0}.round-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:5px}.round-title{color:#4a90e2;font-weight:700}.message-count{background-color:#eee;border-radius:10px;color:#888;font-size:12px;padding:2px 6px}.round-preview{color:#666;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-buttons{display:flex;justify-content:center;margin-top:15px}.close-history-btn{background-color:#e74c3c;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:700;padding:8px 20px;transition:background-color .3s}.close-history-btn:hover{background-color:#c0392b}.view-history-btn{background-color:#3498db;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:700;margin-right:10px;padding:10px 15px;transition:background-color .3s}.view-history-btn:hover{background-color:#2980b9}.round-detail-overlay{align-items:center;background-color:#000000b3;display:flex;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:1200}.round-detail-modal{background-color:#fff;border-radius:8px;box-shadow:0 5px 15px #0000004d;display:flex;flex-direction:column;max-height:80vh;max-width:700px;width:90%}.round-detail-header{border-bottom:1px solid #eee;padding:15px 20px}.round-detail-header h3{color:#2c3e50;margin:0 0 5px}.round-info{color:#7f8c8d;font-size:14px}.round-detail-content{flex-grow:1;max-height:60vh;overflow-y:auto;padding:15px 20px}.detail-message{display:flex;margin-bottom:15px}.detail-avatar{align-items:center;background-color:#3498db;border-radius:50%;color:#fff;display:flex;flex-shrink:0;height:36px;justify-content:center;margin-right:10px;width:36px}.detail-message.user .detail-avatar{background-color:#e74c3c}.detail-message-content{flex-grow:1}.detail-sender{align-items:center;display:flex;font-weight:700;justify-content:space-between;margin-bottom:3px}.detail-time{color:#95a5a6;font-size:12px;font-weight:400}.detail-text{background-color:#f5f5f5;border-radius:4px;color:#333;padding:8px 12px;word-break:break-word}.detail-message.mentor .detail-text{background-color:#e8f4fd}.detail-voice-message{align-items:center;color:#7f8c8d;display:flex;font-style:italic}.detail-voice-icon{font-size:16px;margin-right:5px}.round-detail-buttons{border-top:1px solid #eee;display:flex;justify-content:center;padding:15px 20px}.back-to-history-btn{background-color:#3498db;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:700;padding:8px 20px;transition:background-color .3s}.back-to-history-btn:hover{background-color:#2980b9}.part2-timer>div:nth-child(2){display:flex;flex-direction:column;justify-content:flex-start}.login-modal-overlay{align-items:center;background-color:#00000080;display:flex;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:2000}.login-modal{animation:fadeIn .3s ease;background-color:#fff;border-radius:8px;box-shadow:0 5px 20px #0003;max-width:450px;padding:24px;position:relative;width:90%}.close-btn{background:none;border:none;color:#666;cursor:pointer;font-size:24px;line-height:1;position:absolute;right:15px;top:15px}.close-btn:hover{color:#333}.login-header{margin-bottom:24px}.login-header h2{color:#333;font-size:24px;margin-bottom:8px}.login-header p{color:#666;font-size:14px}.error-message{background-color:#ffecec;border:1px solid #ffc2c2;color:#c03;padding:10px}.error-message,.form-group{margin-bottom:16px}.form-group label{font-size:14px;margin-bottom:6px}.form-group input{border-radius:4px;font-size:14px;height:40px;padding:0 12px;transition:border-color .2s}.form-group input:focus{box-shadow:0 0 0 2px #0066ff1a}.submit-btn{border-radius:4px;height:44px;margin-top:8px}.submit-btn:hover{background-color:#0052cc}.submit-btn:disabled{background-color:#99c2ff}.form-switch{font-size:14px;margin-top:20px}.switch-btn{font-size:14px;margin-left:4px}.switch-btn:hover{text-decoration:underline}.score-report-container{background-color:#fff;border-radius:8px;box-shadow:0 4px 12px #0000001a;margin:0 auto;max-width:900px;overflow:hidden}.score-report-header{background-color:#f8f9fa;border-bottom:1px solid #e9ecef;padding:20px}.score-report-header h2{color:#2c3e50;font-size:24px;margin:0}.report-info{color:#6c757d;font-size:14px;margin-top:5px}.report-tabs{background-color:#f1f3f5;border-bottom:1px solid #dee2e6;display:flex;position:relative;z-index:5}.tab-button{background:none;border:none;border-bottom:3px solid #0000;color:#495057;cursor:pointer;font-size:16px;font-weight:500;padding:15px 25px;position:relative;transition:all .2s;z-index:10}.tab-button:hover{background-color:#00000008}.tab-button.active{background-color:#fff;border-bottom-color:#4a90e2;color:#4a90e2;font-weight:600}.report-content{min-height:400px;padding:25px}.section-title{border-bottom:1px solid #e9ecef;color:#343a40;font-size:22px;margin-bottom:20px;margin-top:0;padding-bottom:10px}.answer-records-section{padding-bottom:20px}.no-records{color:#6c757d;font-style:italic;margin:30px 0;text-align:center}.records-list{display:flex;flex-direction:column;gap:20px}.record-item{border:1px solid #e9ecef;border-radius:8px;overflow:hidden}.record-header{align-items:center;background-color:#f8f9fa;border-bottom:1px solid #e9ecef;display:flex;justify-content:space-between;padding:10px 15px}.part-label{font-weight:600}.record-time{color:#6c757d;font-size:14px}.messages-container{padding:15px}.message{border-bottom:1px dashed #e9ecef;margin-bottom:20px;padding-bottom:20px}.message:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.message-header{display:flex;justify-content:space-between;margin-bottom:8px}.sender{color:#495057;font-weight:600}.message.mentor .sender{color:#6a11cb}.message.user .sender{color:#2c3e50}.message-time{color:#adb5bd;font-size:12px}.message-content{line-height:1.6;white-space:pre-wrap}.message.mentor .message-content{color:#495057}.message.user .message-content{color:#212529}.grammar-error{background-color:#dc35451a;border-bottom:1px dashed #dc3545;color:#dc3545;cursor:help}.scores-section{padding-bottom:20px}.overall-score-container{align-items:center;background-color:#f8f9fa;border-radius:8px;display:flex;margin-bottom:30px;padding:20px}.overall-score{align-items:center;border-right:1px solid #dee2e6;display:flex;flex-direction:column;margin-right:30px;padding-right:30px}.score-label{color:#6c757d;font-size:14px;margin-bottom:10px}.score-value{align-items:center;border-radius:50%;display:flex;font-size:32px;font-weight:700;height:80px;justify-content:center;width:80px}.score-value.green{background-color:#28a7451a;color:#28a745}.score-value.blue{background-color:#007bff1a;color:#007bff}.score-value.orange{background-color:#ffc1071a;color:#ffc107}.score-value.red{background-color:#dc35451a;color:#dc3545}.part-scores{display:grid;flex:1;gap:15px;grid-template-columns:repeat(3,1fr)}.part-score-item{align-items:center;background-color:#fff;border-radius:6px;box-shadow:0 2px 4px #0000000d;display:flex;flex-direction:column;padding:10px}.part-label{color:#495057;font-size:14px;margin-bottom:8px}.part-score{font-size:22px;font-weight:600}.part-score.green{color:#28a745}.part-score.blue{color:#007bff}.part-score.orange{color:#ffc107}.part-score.red{color:#dc3545}.detailed-scores{margin-top:20px}.detailed-scores h4{color:#343a40;font-size:18px;margin-bottom:20px}.score-dimension-container{display:flex;flex-direction:column;gap:30px}.score-dimension{border:1px solid #e9ecef;border-radius:8px;overflow:hidden}.dimension-header{align-items:center;background-color:#f8f9fa;border-bottom:1px solid #e9ecef;display:flex;justify-content:space-between;padding:15px}.dimension-label{color:#343a40;font-weight:600}.dimension-score{font-size:18px;font-weight:600}.dimension-score.green{color:#28a745}.dimension-score.blue{color:#007bff}.dimension-score.orange{color:#ffc107}.dimension-score.red{color:#dc3545}.score-bar-container{background-color:#e9ecef;height:10px}.score-bar{height:100%;transition:width .8s ease}.score-bar.green{background-color:#28a745}.score-bar.blue{background-color:#007bff}.score-bar.orange{background-color:#ffc107}.score-bar.red{background-color:#dc3545}.dimension-analysis{padding:15px}.dimension-analysis h5{color:#495057;margin-bottom:10px;margin-top:0}.dimension-analysis p{color:#6c757d;line-height:1.6;margin:0}.suggestions-section{padding-bottom:20px}.practice-suggestion{background-color:#f8f9fa;border-radius:8px;margin-bottom:30px;padding:20px}.practice-suggestion h4{color:#343a40;margin-bottom:15px;margin-top:0}.practice-message{color:#495057;line-height:1.6}.expandable-topics h4{color:#343a40;margin-bottom:15px}.topics-intro{color:#495057;margin-bottom:20px}.topics-list{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.topic-item{border:1px solid #e9ecef;border-radius:8px;padding:15px}.topic-title{color:#343a40;margin-top:0}.topic-questions{margin-bottom:20px;margin-top:0;padding-left:20px}.topic-questions li{color:#495057;margin-bottom:8px}.practice-topic-btn{background-color:#4a90e2;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:14px;padding:8px 12px;transition:background-color .2s}.practice-topic-btn:hover{background-color:#3a7bc8}.report-footer{background-color:#f8f9fa;border-top:1px solid #e9ecef;padding:15px 25px;text-align:center}.report-footer p{color:#6c757d;font-size:14px;margin:0}.answer-optimization{margin-top:1.5rem;padding-top:1rem}.answer-optimization h4{color:#343a40;font-size:18px;margin-bottom:1rem;margin-top:0}.optimization-container{border:none;border-radius:0;margin-bottom:1rem;overflow:hidden}.improved-answer{background-color:initial;padding:0;width:100%}.answer-content{background-color:#e6f3ff;border:1px solid #b8daff;border-radius:6px;font-size:.95rem;padding:1rem;white-space:pre-line}@media (min-width:768px){.optimization-container{flex-direction:row}.improved-answer,.original-answer{flex:1}.original-answer{border-bottom:none;border-right:1px solid #e0e0e0}.improved-answer:only-child{flex:1;width:100%}}.tip-button{align-items:center;animation:tipButtonPulse 2s ease-in-out infinite;background:linear-gradient(135deg,#4facfe,#00f2fe);border:none;border-radius:25px;box-shadow:0 4px 15px #4facfe66;color:#fff;cursor:pointer;display:flex;font-size:.95rem;font-weight:600;gap:.5rem;padding:.75rem 1.25rem;position:fixed;right:20px;top:100px;transition:all .3s ease;z-index:100}.tip-button:hover{animation:none;box-shadow:0 6px 20px #4facfe99;transform:translateY(-2px)}.tip-button:active{transform:translateY(0)}.tip-icon{animation:tipIconBounce 1s ease-in-out infinite;font-size:1.3rem}.tip-text{white-space:nowrap}@keyframes tipButtonPulse{0%,to{box-shadow:0 4px 15px #4facfe66}50%{box-shadow:0 4px 20px #4facfeb3}}@keyframes tipIconBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.tip-modal-overlay{align-items:center;animation:fadeIn .2s ease;background-color:#00000080;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.tip-modal{animation:slideUp .3s ease;background-color:#fff;border-radius:16px;box-shadow:0 10px 40px #0003;max-height:80vh;max-width:500px;overflow-y:auto;padding:2rem;position:relative;width:90%}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.tip-modal-close{align-items:center;background:none;border:none;border-radius:50%;color:#999;cursor:pointer;display:flex;font-size:2rem;height:32px;justify-content:center;line-height:1;padding:0;position:absolute;right:1rem;top:1rem;transition:all .2s ease;width:32px}.tip-modal-close:hover{background-color:#f0f0f0;color:#333}.tip-modal-icon{animation:tipIconRotate .6s ease;font-size:3rem;margin-bottom:1rem;text-align:center}@keyframes tipIconRotate{0%{opacity:0;transform:rotate(0deg) scale(.5)}50%{transform:rotate(180deg) scale(1.1)}to{opacity:1;transform:rotate(1turn) scale(1)}}.tip-modal-title{color:#333;font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;text-align:center}.tip-modal-content{color:#555;font-size:1rem;line-height:1.8;margin-bottom:2rem}.tip-modal-content p{margin:0 0 1rem}.tip-modal-content strong{color:#e53e3e;font-weight:600}.tip-modal-button{background:linear-gradient(135deg,#4facfe,#00f2fe);border:none;border-radius:8px;box-shadow:0 4px 15px #4facfe4d;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:.875rem;transition:all .3s ease;width:100%}.tip-modal-button:hover{box-shadow:0 6px 20px #4facfe80;transform:translateY(-2px)}.tip-modal-button:active{transform:translateY(0)}@media (max-width:768px){.tip-button{font-size:.85rem;padding:.6rem 1rem;right:10px;top:80px}.tip-icon{font-size:1.1rem}.tip-modal{max-width:95%;padding:1.5rem}.tip-modal-title{font-size:1.25rem}.tip-modal-content{font-size:.95rem}}@media (max-width:1024px) and (min-width:769px){.tip-button{right:15px;top:90px}}.chat-interface{background:linear-gradient(135deg,#f5f7fa,#e4e8ec);color:#333;display:flex;flex-direction:column;font-family:Segoe UI,system-ui,sans-serif;min-height:100vh;padding:20px;position:relative}.back-home-btn{background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 2px 8px #0000000d;color:#666;cursor:pointer;font-size:.9rem;left:20px;padding:.5rem 1rem;position:absolute;top:20px;transition:all .2s ease;z-index:100}.back-home-btn:hover{background:#f5f5f5;border-color:#ccc;color:#333}.topic-selection{align-items:center;display:flex;flex:1;flex-direction:column;justify-content:center;padding:2rem;text-align:center}.topic-selection h2{color:#2c3e50;font-size:1.75rem;margin-bottom:.5rem}.topic-selection p{color:#666;margin-bottom:2rem}.topic-list{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;max-width:800px}.topic-card{background:#fff;border:2px solid #e0e0e0;border-radius:12px;box-shadow:0 2px 8px #0000000d;cursor:pointer;min-width:180px;padding:1.25rem 1.5rem;transition:all .2s ease}.topic-card:hover{border-color:#3498db;box-shadow:0 4px 12px #3498db26;transform:translateY(-2px)}.topic-card.primary{background:linear-gradient(135deg,#3498db,#2980b9);border-color:#0000;color:#fff}.topic-card.primary:hover{box-shadow:0 4px 16px #3498db4d;transform:translateY(-2px)}.chat-main-container{display:flex;flex:1;gap:20px;margin:0 auto;max-width:1200px;width:100%}.chat-left-panel{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;display:flex;flex:2;flex-direction:column;max-height:80vh;overflow:hidden}.chat-header{background:#fafafa;border-bottom:1px solid #eee;justify-content:space-between;padding:1rem 1.25rem}.ai-info,.chat-header{align-items:center;display:flex}.ai-info{gap:.5rem}.ai-avatar{font-size:1.5rem}.ai-name{color:#333;font-size:1rem;font-weight:600}.end-button{background:#fff;border:1px solid #e74c3c;border-radius:6px;color:#e74c3c;cursor:pointer;font-size:.85rem;padding:.4rem .8rem;transition:all .2s ease}.end-button:hover{background:#e74c3c;color:#fff}.chat-messages{background:#fafbfc;display:flex;flex:1;flex-direction:column;gap:.75rem;overflow-y:auto;padding:1rem}.message{animation:fadeIn .2s ease;display:flex;gap:.5rem;max-width:85%}.user-message{align-self:flex-end;flex-direction:row-reverse}.ai-message{align-self:flex-start}.message-avatar{align-items:center;background:#e8f4fc;border-radius:50%;display:flex;flex-shrink:0;font-size:.9rem;height:32px;justify-content:center;width:32px}.message-content{border-radius:12px;font-size:.95rem;line-height:1.5;padding:.625rem 1rem}.ai-message .message-content{background:#fff;border:1px solid #e8e8e8;border-bottom-left-radius:4px;color:#333;position:relative}.speak-btn{background:#0000;border:none;bottom:2px;cursor:pointer;font-size:.75rem;opacity:.4;padding:2px;position:absolute;right:4px;transition:opacity .2s}.speak-btn:hover{opacity:1}.message-content:hover .speak-btn{opacity:.7}.audio-wave{align-items:center;display:flex;gap:3px;height:32px;justify-content:center;margin-bottom:10px}.wave-bar{animation:wave 1s ease-in-out infinite;background:linear-gradient(180deg,#3498db,#2980b9);border-radius:2px;height:8px;width:4px}.wave-bar:first-child{animation-delay:0s}.wave-bar:nth-child(2){animation-delay:.1s}.wave-bar:nth-child(3){animation-delay:.2s}.wave-bar:nth-child(4){animation-delay:.3s}.wave-bar:nth-child(5){animation-delay:.4s}@keyframes wave{0%,to{height:8px;opacity:.5}50%{height:24px;opacity:1}}.show-text-btn{background:#f0f7ff;border:1px solid #3498db;border-radius:6px;color:#3498db;cursor:pointer;display:inline-block;font-size:.85rem;padding:6px 12px;transition:all .2s ease}.show-text-btn:hover{background:#3498db;color:#fff}.user-message .message-content{background:#3498db;border-bottom-right-radius:4px;color:#fff}.user-message .word-chip{background:#ffffff1f;border-color:#ffffff59;color:#fff}.user-message .word-chip:hover{background:#ffffff4d;border-color:#fff9;color:#fff}.user-message .word-collected{background:#2ecc7159;border-color:#2ecc7199;color:#fff}.typing{align-items:center;display:flex;gap:4px;padding:.75rem 1rem}.typing-dot{animation:bounce 1.4s ease-in-out infinite both;background:#3498db;border-radius:50%;height:6px;width:6px}.typing-dot:first-child{animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}.typing-dot:nth-child(3){animation-delay:0s}.analyzing-text{color:#3498db;font-size:.75rem;margin-left:.5rem}.chat-input-area{background:#fff;border-top:1px solid #eee;padding:1rem}.voice-controls{align-items:center;display:flex;gap:.5rem;margin-bottom:.5rem}.voice-btn{background:#f8f9fa;border:1px solid #ddd;border-radius:6px;cursor:pointer;font-size:.85rem;padding:.4rem .75rem;transition:all .2s ease}.voice-btn:hover:not(:disabled){background:#e9ecef}.voice-btn:disabled{cursor:not-allowed;opacity:.5}.voice-btn.recording{animation:pulse 1.5s infinite;background:#fee2e2;border-color:#ef4444;color:#dc2626}.voice-btn.speaking{background:#dbeafe;border-color:#3b82f6;color:#2563eb}.auto-speak-toggle{align-items:center;color:#666;cursor:pointer;display:flex;font-size:.8rem;gap:.25rem;margin-left:auto}.auto-speak-toggle input{cursor:pointer}.voice-selector-wrapper{position:relative}.voice-select-btn{min-width:100px}.voice-selector-dropdown{background:#fff;border:1px solid #ddd;border-radius:8px;bottom:100%;box-shadow:0 4px 20px #00000026;left:0;margin-bottom:8px;max-height:300px;overflow-y:auto;position:absolute;width:280px;z-index:100}.voice-selector-header{background:#fafafa;border-bottom:1px solid #eee;color:#333;font-size:.85rem;font-weight:600;padding:.75rem 1rem;position:sticky;top:0}.voice-option{border-bottom:1px solid #f0f0f0;cursor:pointer;padding:.625rem 1rem;transition:background .15s ease}.voice-option:hover{background:#f5f8fa}.voice-option.selected{background:#e8f4fc;border-left:3px solid #3498db}.voice-option:last-child{border-bottom:none}.voice-option-name{color:#333;font-size:.9rem;font-weight:500;margin-bottom:2px}.voice-locale{color:#888;font-size:.75rem;font-weight:400;margin-left:4px}.voice-option-desc{color:#666;font-size:.75rem}.input-row{display:flex;gap:.5rem}.chat-input-area textarea{background:#f8f9fa;border:1px solid #e0e0e0;border-radius:8px;color:#333;flex:1;font-family:inherit;font-size:.95rem;max-height:100px;min-height:44px;padding:.75rem;resize:none}.chat-input-area textarea:focus{background:#fff;border-color:#3498db;outline:none}.chat-input-area textarea::placeholder{color:#999}.send-button{background:#3498db;border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:0 1.25rem;transition:all .2s ease}.send-button:hover:not(:disabled){background:#2980b9}.send-button:disabled{cursor:not-allowed;opacity:.5}.chat-right-panel{flex:1;max-width:350px;min-width:280px}.collection-basket{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;height:fit-content;overflow:hidden}.basket-header{align-items:center;background:linear-gradient(135deg,#27ae60,#2ecc71);color:#fff;display:flex;gap:.5rem;padding:1rem}.basket-header .basket-icon{font-size:1.25rem}.basket-header h3{font-size:1rem;font-weight:600;margin:0}.basket-content{padding:1rem}.basket-input-area{display:flex;flex-direction:column;gap:.5rem}.basket-input-area textarea{background:#fafafa;border:2px dashed #d0d0d0;border-radius:8px;font-family:inherit;font-size:.9rem;min-height:80px;padding:.75rem;resize:none;transition:all .2s ease;width:100%}.basket-input-area textarea:focus{background:#fff;border-color:#27ae60;border-style:solid;outline:none}.basket-input-area textarea::placeholder{color:#999}.basket-add-btn{background:#27ae60;border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:.625rem;transition:all .2s ease;width:100%}.basket-add-btn:hover:not(:disabled){background:#229954}.basket-add-btn:disabled{cursor:not-allowed;opacity:.5}.basket-success{color:#27ae60;font-size:.85rem;padding:.25rem 0;text-align:center}.basket-tip{border-top:1px solid #eee;color:#888;font-size:.75rem;margin-top:.75rem;padding-top:.75rem}.collected-items{border-top:1px solid #eee;margin-top:1rem;padding-top:1rem}.collected-items h4{color:#666;font-size:.85rem;margin:0 0 .5rem}.collected-list{display:flex;flex-direction:column;gap:.5rem;max-height:200px;overflow-y:auto}.collected-item{background:#f0f9f4;border-radius:6px;color:#333;font-size:.85rem;padding:.5rem}.sticky-note{animation:popIn .2s ease;background:#fffef0;border-radius:12px;box-shadow:0 10px 40px #0003;left:50%;max-width:450px;padding:1.25rem;position:fixed;top:50%;transform:translate(-50%,-50%);width:90%;z-index:1000}@keyframes popIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.sticky-note-overlay{background:#0000004d;bottom:0;left:0;position:fixed;right:0;top:0;z-index:999}.sticky-note-header{color:#333;font-size:1rem;font-weight:600;margin-bottom:1rem}.sticky-note-content{margin-bottom:1rem}.suggestion-item{background:#fff;border:1px solid #e8e8e8;border-radius:8px;margin-bottom:.75rem;padding:.75rem}.suggestion-item:last-child{margin-bottom:0}.suggestion-better,.suggestion-original{align-items:center;display:flex;gap:.5rem;margin-bottom:.25rem}.suggestion-item .label{color:#666;font-size:.75rem;min-width:45px}.suggestion-item .text{color:#333;font-weight:500}.suggestion-item .highlight{background:#27ae601a;border-radius:4px;color:#27ae60;padding:.125rem .375rem}.suggestion-meaning{color:#666;font-size:.8rem;margin-top:.25rem}.suggestion-reason{color:#888;font-size:.75rem;font-style:italic;margin-top:.25rem}.use-button{background:#27ae60;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.8rem;font-weight:600;margin-top:.5rem;padding:.375rem .75rem;transition:all .2s ease}.use-button:hover{background:#229954}.resay-button{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:.85rem;font-weight:600;margin-top:.5rem;padding:.5rem 1rem;transition:all .2s ease;width:100%}.resay-button:hover{box-shadow:0 4px 12px #667eea66;transform:translateY(-1px)}.sticky-note-content.no-suggestion{color:#666;padding:1.5rem 1rem;text-align:center}.sticky-note-content.no-suggestion p{font-size:.95rem;margin:0}.continue-btn{background:linear-gradient(135deg,#27ae60,#2ecc71)!important;border:none!important;color:#fff!important}.sticky-note-actions{display:flex;justify-content:flex-end}.sticky-note-actions button{background:#fff;border:1px solid #ddd;border-radius:6px;color:#666;cursor:pointer;font-weight:500;padding:.5rem 1rem;transition:all .2s ease}.sticky-note-actions button:hover{background:#f5f5f5}@media (max-width:1024px){.chat-interface{padding:60px 15px 15px}.back-home-btn{font-size:.85rem;left:15px;padding:.4rem .8rem;top:15px}.chat-main-container{gap:15px}.chat-right-panel{max-width:300px;min-width:240px}}@media (max-width:900px){.chat-main-container{flex-direction:column}.chat-right-panel{max-width:100%;order:2}.chat-left-panel{max-height:55vh;order:1}.collection-basket{max-height:none}.basket-content{display:flex;flex-wrap:wrap;gap:1rem}.basket-input-area{flex:1;min-width:250px}.collected-items{border-left:1px solid #eee;border-top:none;flex:1;margin-top:0;min-width:200px;padding-left:1rem;padding-top:0}}@media (max-width:600px){.chat-interface{padding:55px 10px 10px}.back-home-btn{font-size:.8rem;left:10px;padding:.35rem .7rem;top:10px}.topic-selection{padding:1rem}.topic-selection h2{font-size:1.4rem}.topic-selection p{font-size:.9rem;margin-bottom:1.5rem}.topic-list{flex-direction:column;gap:.75rem}.topic-card{min-width:auto;padding:1rem;width:100%}.chat-main-container{gap:10px}.chat-left-panel{border-radius:12px;max-height:50vh}.chat-header{padding:.75rem 1rem}.ai-avatar{font-size:1.25rem}.ai-name{font-size:.9rem}.end-button{font-size:.8rem;padding:.3rem .6rem}.chat-messages{gap:.5rem;padding:.75rem}.message{max-width:90%}.message-avatar{font-size:.8rem;height:28px;width:28px}.message-content{font-size:.9rem;padding:.5rem .75rem}.chat-input-area{padding:.75rem}.chat-input-area textarea{font-size:.9rem;min-height:40px;padding:.625rem}.send-button{font-size:.9rem;padding:0 1rem}.voice-controls{flex-wrap:wrap;gap:.4rem}.voice-btn{font-size:.8rem;padding:.35rem .6rem}.auto-speak-toggle{font-size:.75rem}.voice-selector-dropdown{max-height:250px;width:240px}.voice-select-btn{font-size:.75rem;min-width:80px}.chat-right-panel{order:2}.collection-basket{border-radius:12px}.basket-header{padding:.75rem 1rem}.basket-header h3{font-size:.9rem}.basket-content{flex-direction:column;padding:.75rem}.basket-input-area textarea{font-size:.85rem;min-height:60px}.basket-add-btn{font-size:.85rem;padding:.5rem}.basket-tip{font-size:.7rem}.collected-items{border-left:none;border-top:1px solid #eee;margin-top:.75rem;padding-left:0;padding-top:.75rem}.collected-item{font-size:.8rem;padding:.4rem}.sticky-note{border-radius:10px;padding:1rem;width:95%}.sticky-note-header{font-size:.9rem}.suggestion-item{padding:.5rem}.suggestion-item .label{font-size:.7rem;min-width:35px}.suggestion-item .text{font-size:.85rem}.suggestion-meaning,.use-button{font-size:.75rem}.use-button{padding:.3rem .6rem}.sticky-note-actions button{font-size:.85rem;padding:.4rem .8rem}}.inline-annotations{margin:2px 0 8px auto;max-width:80%;text-align:right}.anno-loading{animation:pulse 1.5s ease-in-out infinite;color:#999;font-size:.8rem;padding:4px 10px}.anno-group{background:#f8f9fa;border-left:3px solid #ddd;border-radius:8px;font-size:.82rem;line-height:1.6;margin-bottom:4px;padding:6px 10px;position:relative;text-align:left}.anno-grammar{background:#fdf2f2;border-left-color:#e74c3c}.anno-expression{background:#f8f0fc;border-left-color:#8e44ad}.anno-label{display:block;font-size:.78rem;font-weight:600;margin-bottom:4px}.grammar-sentence{color:#444;font-size:.85rem;line-height:1.7}.grammar-fix{color:#e74c3c;font-weight:600}.grammar-expr-word{color:#8e44ad;font-weight:600}.expression-group{color:#8e44ad;font-size:.85rem;padding:3px 0}.expression-row{align-items:baseline;display:flex;gap:0;padding:1px 0}.expression-word{font-weight:600}.expression-word,.expression-word-placeholder{flex-shrink:0;min-width:80px}.expression-arrow{flex-shrink:0;margin-right:4px}.expression-alt{display:inline}.expression-alt b{font-weight:600}.anno-meaning{color:#999}.anno-kb-tag,.anno-meaning{font-size:.72rem}.anno-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}.anno-btn{border:none;border-radius:6px;cursor:pointer;font-size:.82rem;font-weight:500;padding:5px 14px;transition:background .15s}.anno-resay{background:#f0f0f0;color:#555}.anno-resay:hover{background:#e0e0e0}.anno-continue{background:#3498db;color:#fff}.anno-continue:hover{background:#2980b9}.anno-loading-inline{animation:pulse 1.5s ease-in-out infinite;color:#999;font-size:.8rem;padding:6px 12px;text-align:right}.clickable-text{display:inline}.word-chip{background:#e8f4fd4d;border:1px solid #93c5fd;border-radius:4px;cursor:pointer;display:inline-block;margin:1px 0;padding:1px 4px;transition:all .12s}.word-chip:hover{background:#dbeafe;border-color:#60a5fa;color:#2563eb}.word-collected{background:#d5f5e3;border-color:#6ee7b7;color:#27ae60}.basket-collect-zone{align-content:flex-start;background:#fafafa;border:2px dashed #d0d0d0;border-radius:8px;box-sizing:border-box;display:flex;flex-wrap:wrap;min-height:80px;padding:.75rem;width:100%}.basket-placeholder{color:#999;font-size:.9rem}.basket-words{display:flex;flex-wrap:wrap;gap:6px}.basket-word-tag{align-items:center;background:#eaf2f8;border-radius:14px;color:#2c3e50;display:inline-flex;font-size:.82rem;gap:4px;padding:4px 10px}.basket-word-remove{background:none;border:none;color:#999;cursor:pointer;font-size:.9rem;line-height:1;padding:0 2px}.basket-word-remove:hover{color:#e74c3c}.basket-confirm-btn{background:#27ae60;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:.88rem;font-weight:500;margin-top:8px;padding:8px;transition:background .15s;width:100%}.basket-confirm-btn:hover{background:#219a52}.basket-confirm-btn:disabled{background:#95a5a6;cursor:not-allowed}.basket-kb-link{color:#2980b9;cursor:pointer;display:inline-block;font-weight:500;margin-left:6px}.basket-kb-link:hover{text-decoration:underline}.guide-overlay{display:flex;justify-content:center;left:12px;position:absolute;right:12px;top:56px;z-index:100}.guide-box{background:#fff;border:1px solid #e0e0e0;border-radius:12px;box-shadow:0 6px 24px #0000001f;max-width:340px;padding:16px 20px;position:relative;width:100%}.guide-box h4{color:#333;font-size:.95rem;margin:0 0 10px}.guide-close{background:none;border:none;color:#999;cursor:pointer;font-size:1.2rem;line-height:1;padding:4px;position:absolute;right:10px;top:8px}.guide-close:hover{color:#333}.guide-items{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.guide-item{align-items:center;color:#444;display:flex;font-size:.85rem;gap:8px}.guide-icon{align-items:center;border-radius:4px;display:inline-flex;flex-shrink:0;font-size:.8rem;font-weight:700;height:24px;justify-content:center;width:24px}.guide-red{background:#fdecea;border:1px solid #e74c3c;color:#e74c3c}.guide-purple{background:#f3e8f9;border:1px solid #8e44ad;color:#8e44ad}.guide-chip{background:#e8f4fd;border:1px solid #93c5fd;color:#2980b9}.guide-dismiss{background:none;border:1px solid #ddd;border-radius:6px;color:#888;cursor:pointer;display:block;font-size:.8rem;padding:6px;transition:all .15s;width:100%}.guide-dismiss:hover{background:#f5f5f5;color:#555}@media (max-width:400px){.chat-interface{padding:50px 8px 8px}.back-home-btn{font-size:.75rem;padding:.3rem .6rem}.topic-selection h2{font-size:1.2rem}.chat-left-panel{max-height:45vh}.message-content{font-size:.85rem;padding:.4rem .6rem}.inline-annotations{max-width:95%}}.simulation-selection{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;flex-direction:column;min-height:100vh;padding:40px 20px}.simulation-header{color:#fff;margin-bottom:50px;text-align:center}.simulation-header h1{font-size:3rem;font-weight:700;margin:0 0 20px;text-shadow:2px 2px 4px #0000004d}.simulation-header p{font-size:1.3rem;margin:0;opacity:.9;text-shadow:1px 1px 2px #0000004d}.challenge-cards{display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));max-width:1000px;width:100%}.challenge-card{backdrop-filter:blur(10px);background:#fffffff2;border:2px solid #0000;border-radius:20px;box-shadow:0 10px 30px #0003;cursor:pointer;overflow:hidden;padding:30px;position:relative;text-align:center;transition:all .3s ease}.challenge-card:hover{border-color:#667eea;box-shadow:0 20px 40px #0000004d;transform:translateY(-10px)}.challenge-card.coming-soon{cursor:not-allowed;opacity:.7}.challenge-card.coming-soon:hover{border-color:#0000;box-shadow:0 10px 30px #0003;transform:none}.card-icon{display:block;font-size:4rem;margin-bottom:20px}.challenge-card h3{color:#333;font-size:1.8rem;font-weight:700;margin:0 0 15px}.challenge-card p{color:#666;font-size:1.1rem;line-height:1.6;margin:0 0 20px}.card-status{border-radius:20px;display:inline-block;font-size:.9rem;font-weight:700;letter-spacing:.5px;padding:8px 16px;text-transform:uppercase}.card-status.available{background:linear-gradient(135deg,#4caf50,#45a049);color:#fff}.card-status:not(.available){background:linear-gradient(135deg,#ff9800,#f57c00);color:#fff}@media (max-width:768px){.simulation-header h1{font-size:2rem}.simulation-header p{font-size:1.1rem}.challenge-cards{gap:20px;grid-template-columns:1fr}.challenge-card{padding:20px}.card-icon{font-size:3rem}.challenge-card h3{font-size:1.5rem}}.homepage-container{display:flex;flex-direction:column;min-height:100vh;overflow-x:hidden;width:100%}.homepage-container,body,html{background-color:#fff;margin:0;padding:0}.language-dropdown{display:inline-block;position:relative}.language-dropdown-btn{background-color:#8a2be2;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9rem;padding:.5rem 1rem}.language-dropdown-btn:hover{background-color:#72c}.language-dropdown-content{background-color:#fff;border-radius:5px;box-shadow:0 3px 10px #0003;overflow:hidden;position:absolute;right:0;top:100%;width:150px;z-index:100}.language-option{background:none;border:none;cursor:pointer;padding:10px 15px;text-align:left;transition:background-color .2s;width:100%}.language-option:hover{background-color:#f0f8ff}.language-option.active{background-color:#e6f2ff;color:#4481eb;font-weight:700}.hero-section{background-image:linear-gradient(180deg,#f0f8ff,#fff);margin-top:-100px!important;min-height:580px;overflow:hidden;padding:40px 0;position:relative}.hero-container{justify-content:space-between}.hero-container,.hero-content{align-items:center;display:flex;flex-direction:column}.hero-content{width:100%}@media (min-width:1024px){.hero-content{align-items:center;flex-direction:row;gap:40px;justify-content:space-between}}.hero-text{margin-bottom:30px;margin-left:-20px!important;margin-top:20px!important;max-width:600px;position:relative;text-align:left;z-index:2}@media (min-width:1024px){.hero-text{margin-bottom:0;text-align:left}}.hero-title{font-size:3rem;font-weight:700;line-height:1.2}.hero-subtitle-middle,.hero-title{color:#4481eb;margin-bottom:20px;white-space:nowrap}.hero-subtitle-middle{font-size:1.8rem;line-height:1.6}.hero-subtitle{color:#4481eb;font-size:1.5rem;line-height:1.6;margin-bottom:30px;white-space:nowrap}.hero-buttons{display:flex;flex-direction:column;gap:15px;margin:0 auto;max-width:400px;width:100%}@media (min-width:768px){.hero-buttons{flex-direction:row;justify-content:center}.hero-text .hero-buttons{justify-content:flex-start}}.primary-btn,.secondary-btn{border:none;border-radius:8px;box-shadow:0 4px 6px #0000001a;cursor:pointer;flex:1;font-size:1rem;font-weight:600;padding:14px 28px;text-align:center;transition:all .3s ease}.primary-btn{background-color:#4481eb;color:#fff}.primary-btn:hover{background-color:#3a70d0;box-shadow:0 6px 8px #00000026;transform:translateY(-2px)}.secondary-btn{background-color:#fff;border:2px solid #4481eb;color:#4481eb}.secondary-btn:hover{background-color:#f0f7ff;box-shadow:0 6px 8px #0000001a;transform:translateY(-2px)}.hero-topics{flex:1;height:500px;margin:0 auto;max-width:600px;position:relative;z-index:1}.hero-dropdown{animation:fadeIn .3s ease;background-color:#fff;border-radius:8px;box-shadow:0 5px 20px #00000026;left:0;margin-top:15px;max-width:400px;overflow:hidden;position:absolute;top:100%;width:100%;z-index:100}.dropdown-header{background-color:#4481eb;color:#fff;font-size:1.1rem;font-weight:600;padding:15px 20px}.dropdown-input-container{display:flex;flex-direction:column;gap:15px;padding:20px}.dropdown-input{border:1px solid #ddd;border-radius:6px;font-size:1rem;padding:12px 15px;transition:border-color .3s}.dropdown-input:focus{border-color:#4481eb;box-shadow:0 0 0 2px #4481eb33;outline:none}.floating-topic-item{animation:floatUpRevised 15s linear infinite;z-index:2}@keyframes floatUpRevised{0%{opacity:0;transform:translateY(500px)}10%{opacity:1}90%{opacity:1}to{opacity:0;transform:translateY(-100px)}}.like-count{border:1px solid #f0f0f0;border-radius:20px;box-shadow:0 2px 8px #0000001a}.topic-bubble:before{border-bottom:8px solid #0000;border-right:8px solid #4481eb;border-top:8px solid #0000;content:"";left:-8px;position:absolute;top:50%;transform:translateY(-50%)}.floating-topic-item:first-child{left:10%}.floating-topic-item:nth-child(2){animation-delay:-2s;left:30%}.floating-topic-item:nth-child(3){animation-delay:-4s;left:50%}.floating-topic-item:nth-child(4){animation-delay:-6s;left:15%}.floating-topic-item:nth-child(5){animation-delay:-8s;left:45%}.floating-topic-item:nth-child(6){animation-delay:-10s;left:25%}.floating-topic-item:nth-child(7){animation-delay:-12s;left:60%}.floating-topic-item:nth-child(8){animation-delay:-14s;left:40%}.floating-topic-item:nth-child(9){animation-delay:-16s;left:20%}.floating-topic-item:nth-child(10){animation-delay:-18s;left:55%}.floating-topic-item:nth-child(11){animation-delay:-20s;left:35%}.floating-topic-item:nth-child(12){animation-delay:-22s;left:50%}.report-modal-overlay{align-items:center;animation:fadeIn .3s ease;background-color:#0009;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:2000}.optimization-modal{animation:modalSlideIn .4s ease;background-color:#fff;border-radius:12px;box-shadow:0 15px 50px #0003;max-width:500px;padding:30px;width:90%}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.modal-title{border-bottom:1px solid #eee;color:#333;font-size:1.4rem;margin-bottom:20px;padding-bottom:15px;text-align:center}.modal-content{align-items:center;display:flex;flex-direction:column;padding:20px;text-align:center}.modal-icon{font-size:60px}.modal-content h2{color:#333;font-size:1.5rem}.modal-content p{font-size:1rem;line-height:1.6}.modal-actions{display:flex;justify-content:center;margin-top:20px}.about-section,.features-section,.stats-section{padding:80px 0;position:relative}.stats-section{position:relative}.about-section:before,.stats-section:before{background-color:#e0e0e0;content:"";height:1px;left:50%;max-width:1200px;position:absolute;top:0;transform:translateX(-50%);width:80%}.about-section{position:relative}.feature-item{transition:all .3s ease}.feature-item:hover{transform:translateY(-10px)}.feature-btn{border-radius:6px;font-weight:600;padding:12px 24px}@media (max-width:768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.hero-buttons{width:100%}.hero-topics{height:400px}.floating-topics-container{padding:10px}.topic-bubble{font-size:.8rem;padding:8px 14px}}.content-section{background-color:#fff;box-sizing:border-box;padding:4rem 0;width:100%}.content-container{box-sizing:border-box;margin:0 auto;max-width:1300px;padding:0 1rem;width:100%}.section-title{color:#2d3748;font-size:1.875rem;font-weight:700;margin-bottom:2rem}.topics-section{margin-bottom:5rem;width:100%}.section-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:2rem;width:100%}.view-more-link{align-items:center;color:#4481eb;display:inline-flex;font-weight:500;text-decoration:none}.view-more-link:hover{color:#3a6bc5}.arrow-icon{height:1rem;margin-left:.25rem;width:1rem}.topics-grid{display:grid;gap:1.5rem;grid-template-columns:1fr;margin-top:1.5rem}@media (min-width:768px){.topics-grid{grid-template-columns:300px 1fr}.topics-section .topics-grid{gap:2rem;grid-template-columns:repeat(2,300px);justify-content:flex-start}}.topic-card{background-color:#fff;border:1px solid #4481eb;border-radius:.5rem;box-shadow:0 1px 3px #0000001a;display:flex;flex-direction:column;height:320px;overflow:hidden;transition:all .2s;width:300px}.topic-card-form{height:320px;width:auto}.topic-content{align-items:center;display:flex;flex:1;flex-direction:column;height:50%;justify-content:flex-start;padding:1rem;text-align:center}.topic-title{color:#2d3748;font-size:1.25rem;margin-bottom:.5rem}.topic-description{color:#8a2be2;font-size:.95rem;font-weight:600;line-height:1.8;margin-bottom:.75rem;margin-top:.5rem}.wish-pool-button{background-color:#8a2be2;border:none;border-radius:.5rem;box-shadow:0 4px 15px #8a2be24d;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;overflow:hidden;padding:.6rem 1.2rem;position:relative;transition:all .3s ease}.wish-pool-button:hover{background-color:#72c;box-shadow:0 6px 20px #8a2be266;transform:scale(1.05)}.wish-pool-button:active{transform:scale(.95)}.wishpool-main-button{background-color:#f0f;box-shadow:0 4px 8px #ff00ff4d;color:#fff;margin:5px 0;overflow:hidden;position:relative}.wishpool-main-button:before{background:linear-gradient(90deg,#0000,#ffffff4d,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:.5s;width:100%}.wishpool-main-button:hover{background-color:#e600e6;box-shadow:0 6px 12px #f0f6;transform:translateY(-2px)}.wishpool-main-button:hover:before{left:100%}.wish-pool-card-content{border:1px solid #4481eb;border-radius:.5rem;margin:10px;padding:20px;text-align:center}.wish-pool-card-title{color:#8a2be2;font-size:1.5rem;margin-bottom:.5rem}.wish-pool-card-description{color:#4a5568;font-size:.9rem;margin-bottom:1rem}.wish-pool-card-score-input{display:flex;flex-direction:column;margin-bottom:1.5rem}.wish-pool-card-score-input label{color:#2d3748;font-weight:600;margin-bottom:.5rem;text-align:left}.wish-pool-card-input{border:2px solid #e2e8f0;border-radius:.5rem;font-size:1rem;padding:.8rem;transition:border-color .2s}.wish-pool-card-input:focus{border-color:#8a2be2;outline:none}.wish-pool-card-buttons{display:flex;gap:.5rem;justify-content:space-between;margin-top:auto}.wish-pool-card-button{border:none;border-radius:.5rem;cursor:pointer;font-weight:600;padding:.7rem 1rem;transition:all .2s}.back-button{background-color:#e2e8f0}.back-button:hover{background-color:#cbd5e0}.get-charm-button{background-color:#8a2be2;color:#fff;flex-grow:1}.get-charm-button:hover{background-color:#72c}.wish-pool-card-message{font-weight:600;margin:1rem 0 1.5rem}.topic-content .wishpool-explore-button{margin-top:.2rem!important}.form-container{border:1px solid #4481eb;border-radius:.5rem;display:flex;flex-direction:column;height:100%;justify-content:space-between;padding:1.5rem}.form-grid{display:grid;gap:1rem;grid-template-columns:1fr;margin-bottom:.5rem}.form-group{margin-bottom:0}.form-group label{color:#4a5568;font-size:1rem;margin-bottom:.5rem}.form-input,.form-select{background-color:#fff;border:1px solid #e2e8f0;border-radius:.5rem;color:#4a5568;font-size:1rem;padding:.75rem;width:100%}.form-input:focus,.form-select:focus{border-color:#4481eb;box-shadow:0 0 0 3px #4299e126;outline:none}.form-buttons{display:flex;gap:1rem;margin-top:1rem;padding:0 .5rem}.form-button{border:none;border-radius:.375rem;cursor:pointer;flex:1;font-weight:600;padding:.6rem 1.2rem;text-align:center;transition:all .2s}.training-button{background-color:#4481eb;color:#fff}.training-button:hover{background-color:#3a6bc5}.exam-button{background-color:#f0f7ff;border:1px solid #4481eb;color:#4481eb}.exam-button:hover{background-color:#e1effe}.materials-section{margin-top:4rem;padding:0;width:100%}.materials-section .topics-grid{grid-template-columns:1fr;width:100%}@media (min-width:768px){.materials-section .topics-grid{gap:2rem;grid-template-columns:1fr}.materials-section .topic-card-wide{max-width:100%;width:100%}}.topic-card-wide{background-color:#fff;grid-column:auto;width:100%}@media (min-width:768px){.topic-card-wide{grid-column:auto;width:100%}}.material-card{background-color:#f5f5f0;border-radius:.5rem;box-shadow:0 4px 6px #0000001a;overflow:hidden;transition:box-shadow .3s}.material-card:hover{box-shadow:0 10px 15px #0000001a}.material-content{padding:1rem}.material-title{color:#2d3748;font-size:1.125rem;font-weight:600;margin-bottom:.5rem}.material-description{color:#718096;font-size:.875rem}.tutorials-section{margin-top:4rem;padding:0 1rem;width:100%}.tutorials-grid{display:grid;gap:2rem;grid-template-columns:1fr;width:100%}@media (min-width:768px){.tutorials-grid{grid-template-columns:repeat(4,1fr)}}.tutorial-card{background-color:#f5f5f0;border-radius:.5rem;box-shadow:0 4px 6px #0000001a;overflow:hidden;transition:box-shadow .3s}.tutorial-card:hover{box-shadow:0 10px 15px #0000001a}.tutorial-content{padding:1rem}.tutorial-title{color:#2d3748;font-size:1.125rem;font-weight:600;margin-bottom:.5rem}.tutorial-description{color:#718096;font-size:.875rem}footer{box-sizing:border-box;margin:0;width:100%}.footer-bottom p{color:#333;font-size:.875rem;margin:0}@media (max-width:768px){.navbar-links{display:none}}.materials-recommendations{background-color:#f8fafc;border-radius:.5rem;display:flex;flex-direction:column;height:100%;margin-top:.5rem;padding:1rem}.material-item,.material-name,.material-rating{display:none}.topic-image{flex:0 0 auto;padding-top:50%;position:relative}.topic-img{border-top-left-radius:.5rem;border-top-right-radius:.5rem;height:100%;left:0;object-fit:cover;position:absolute;top:0;width:100%}.topic-image .placeholder-box{background-color:#e2e8f0;border-color:#cbd5e0;color:#4a5568;left:0;position:absolute;top:0}.floating-topics-container{background-color:initial;border:none;box-shadow:none;height:100%;min-height:400px;overflow:visible;padding:0;position:relative;width:100%}.banner-floating-topics{background-color:initial;border:none;height:500px;margin:0 auto 0 -100px;width:150%}.banner-floating-topics .topic-bubble{font-size:.8rem;max-width:200px}.floating-topic-item{align-items:center;animation:floatUp 6s linear infinite;display:flex;gap:.5rem;padding:.3rem;position:absolute;transition:transform .3s ease;width:85%}.floating-topic-item:hover{transform:scale(1.05);z-index:10}.like-count{align-items:center;background-color:#fff;border-radius:1rem;box-shadow:0 2px 4px #0000001a;display:flex;gap:.25rem;padding:.25rem .5rem}.like-icon{color:#ff4d4d;font-size:1rem}.like-number{color:#333;font-size:.9rem;font-weight:600}.topic-bubble{background-color:#4481eb;border-radius:8px;box-shadow:0 3px 10px #0000001a;color:#fff;font-size:.9rem;line-height:1.5;margin-bottom:0;max-width:400px;min-width:200px;overflow:visible;padding:10px 18px;text-align:left;white-space:normal;width:auto}@keyframes floatUp{0%{opacity:0;transform:translateY(600px)}5%{opacity:1}95%{opacity:1}to{opacity:0;transform:translateY(-200px)}}.floating-topic-item:first-child{animation-delay:0s;left:5%}.floating-topic-item:nth-child(2){animation-delay:-.5s;left:25%}.floating-topic-item:nth-child(3){animation-delay:-1s;left:45%}.floating-topic-item:nth-child(4){animation-delay:-1.5s;left:65%}.floating-topic-item:nth-child(5){animation-delay:-2s;left:85%}.floating-topic-item:nth-child(6){animation-delay:-2.5s;left:15%}.floating-topic-item:nth-child(7){animation-delay:-3s;left:35%}.floating-topic-item:nth-child(8){animation-delay:-3.5s;left:55%}.floating-topic-item:nth-child(9){animation-delay:-4s;left:75%}.floating-topic-item:nth-child(10){animation-delay:-4.5s;left:95%}.floating-topic-item:nth-child(11){animation-delay:-5s;left:10%}.floating-topic-item:nth-child(12){animation-delay:-5.5s;left:30%}.floating-topic-item:nth-child(13){animation-delay:-6s;left:50%}.wish-pool-card-lucky{align-items:center;display:flex;justify-content:flex-start;margin:15px 0;position:relative}.wish-pool-card-lucky.centered{justify-content:center;margin:30px 0}.clover-icon{color:#4caf50;font-size:36px;margin-right:15px}.lucky-text-container{position:relative}.wish-pool-card-message{color:#8a2be2;font-size:22px;font-weight:700;margin:0}@keyframes loadingDots{0%{opacity:.2}20%{opacity:1}to{opacity:.2}}.loading-dots,.loading-dots:after{display:inline-block}.loading-dots:after{animation:loadingDots 1.5s infinite;content:"..."}.plus-one-animation{animation:plusOneFloat 2s ease-out infinite;color:#ff5722;font-size:18px;font-weight:700;opacity:0;position:absolute;right:-15px;top:-20px}@keyframes plusOneFloat{0%{opacity:0;transform:translateY(0)}20%{opacity:1}80%{opacity:.8}to{opacity:0;transform:translateY(-20px)}}.wishpool-container{margin-top:30px;text-align:center}.wish-pool-card{animation:bounce 3s ease-in-out infinite;background-color:#fff;border:1px solid #4481eb4d;border-radius:12px;box-shadow:0 10px 30px #0000001f;margin-right:40px;overflow:hidden;position:relative;width:280px;z-index:5}.wish-pool-card .topic-image{height:140px;overflow:hidden;position:relative;width:100%}.wish-pool-card .topic-img{height:100%;object-fit:cover;width:100%}.wish-pool-card .topic-content{padding:15px;text-align:center}.wish-pool-card-content-inline{animation:fadeIn .3s ease;padding:15px 10px}.wish-pool-card-content-inline .wish-pool-card-score-input{margin-bottom:15px}.wish-pool-card-content-inline .wish-pool-card-score-input label{color:#333;display:block;font-size:14px;font-weight:600;margin-bottom:8px}.wish-pool-card-content-inline .wish-pool-card-input{border:1px solid #ddd;border-radius:6px;font-size:14px;padding:10px;width:100%}.wish-pool-card-content-inline .wish-pool-card-description{color:#333;font-size:14px;font-weight:500;margin-bottom:12px}.wish-pool-card-content-inline .wish-pool-card-lucky{margin:15px 0}.wish-pool-card-content-inline .clover-icon{font-size:36px;margin-bottom:10px}.wish-pool-card-content-inline .wish-pool-card-message{font-size:16px}.wishpool-back-button{background-color:#e0e0e0;color:#333;font-size:14px;margin-top:10px;padding:8px 20px}.wishpool-back-button:hover{background-color:#d0d0d0}@media (max-width:1200px){.hero-content{align-items:center;flex-direction:column}.wish-pool-card{margin-bottom:30px;margin-right:0}}.section-divider{display:flex;justify-content:center;padding:20px 0;width:100%}.divider-line{background-color:#e0e0e0;height:1px;max-width:1200px;width:80%}.section-container{margin:0 auto;max-width:1200px;padding:60px 20px}.section-title{color:#333;font-size:2rem;margin-bottom:40px;position:relative;text-align:center}.section-title:after{background-color:#4481eb;bottom:-10px;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:50px}.features-section{background-color:#f9f9f9;padding:60px 0}.features-grid{display:grid;gap:25px;grid-template-columns:repeat(4,1fr);margin-bottom:40px}.feature-item{align-items:center;background-color:#fff;border-radius:12px;box-shadow:0 5px 15px #0000000d;display:flex;flex-direction:column;height:100%;padding:30px 20px;text-align:center;transition:transform .3s ease}.feature-item:hover{box-shadow:0 15px 30px #0000001a;transform:translateY(-5px)}.feature-icon{font-size:48px;margin-bottom:15px}.feature-item h3{color:#333;font-size:1.3rem;margin-bottom:10px}.feature-item p{color:#666;font-size:1rem;line-height:1.6}.features-action{display:flex;justify-content:center;margin-top:20px;position:relative}.feature-main-btn{background-color:#4481eb;border:none;border-radius:8px;box-shadow:0 5px 15px #4481eb4d;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;padding:14px 40px;transition:all .3s ease}.feature-main-btn:hover{background-color:#3a6bc5;box-shadow:0 8px 20px #4481eb66;transform:translateY(-3px)}.feature-dropdown{animation:fadeIn .3s ease;background-color:#fff;border-radius:8px;box-shadow:0 5px 20px #00000026;left:50%;margin-top:15px;overflow:hidden;position:absolute;top:100%;transform:translateX(-50%);width:320px;z-index:100}.dropdown-submit-btn{border:none;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:600;margin-top:15px;padding:12px 15px;text-align:center;transition:all .3s ease;width:100%}.dropdown-submit-btn.active{background-color:#4481eb;box-shadow:0 4px 8px #4481eb33;color:#fff}.dropdown-submit-btn.active:hover{background-color:#3a6bc5;box-shadow:0 6px 12px #4481eb4d;transform:translateY(-2px)}.dropdown-submit-btn.disabled{background-color:#e0e0e0;color:#999;cursor:not-allowed}@media (max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.features-grid{grid-template-columns:1fr}.feature-main-btn{max-width:300px;width:100%}.feature-dropdown{width:280px}}.stats-section{background-color:#fff}.stats-grid{display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));text-align:center}.stat-item{padding:20px}.stat-number{color:#4481eb;font-size:2.5rem;font-weight:700;margin-bottom:10px}.stat-label{color:#555;font-size:1.1rem}.topic-stat-item{align-items:center;background-color:#f8f9fa;border-radius:12px;box-shadow:0 5px 15px #0000000d;display:flex;flex-direction:column;height:100%;padding:25px;text-align:center;transition:transform .3s ease,box-shadow .3s ease}.topic-stat-item:hover{box-shadow:0 10px 25px #0000001a;transform:translateY(-5px)}.topic-icon{font-size:50px;margin-bottom:20px}.topic-title{color:#333;margin-bottom:15px}.topic-desc{color:#666;flex-grow:1;font-size:1rem;line-height:1.6;margin-bottom:20px}.topic-btn{background-color:#4481eb;border:none;border-radius:6px;color:#fff;cursor:pointer;font-weight:500;margin-top:auto;padding:10px 15px;transition:all .3s ease}.topic-btn:hover{background-color:#3a6bc5;box-shadow:0 4px 8px #00000026;transform:translateY(-2px)}.topic-action{display:flex;justify-content:center;margin-top:40px}.topic-main-btn{background-color:#4481eb;border:none;border-radius:8px;box-shadow:0 5px 15px #4481eb4d;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;overflow:hidden;padding:15px 40px;position:relative;transition:all .3s ease}.topic-main-btn:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:.5s;width:100%}.topic-main-btn:hover{background-color:#3a6bc5;box-shadow:0 8px 20px #4481eb66;transform:translateY(-3px)}.topic-main-btn:active{transform:translateY(-1px)}@media (max-width:768px){.stats-grid{grid-template-columns:1fr}.topic-stat-item{margin:0 auto;max-width:400px}.topic-main-btn{max-width:300px;width:100%}}.about-section{background-color:#f9f9f9}.about-content{align-items:center;display:flex;flex-wrap:wrap;gap:40px}.about-text{flex:1;min-width:300px}.about-text p{color:#555;line-height:1.8;margin-bottom:20px}.about-image{flex:1;min-width:300px}.image-placeholder{align-items:center;background-color:#e0e0e0;border-radius:10px;color:#777;display:flex;height:300px;justify-content:center;width:100%}.main-footer{background-color:#e6f0ff;color:#333;padding:40px 0 0}.footer-container{display:flex;flex-wrap:wrap;justify-content:space-between;margin:0 auto;max-width:1200px;padding:0 20px}.footer-logo{margin-bottom:20px}.footer-logo .logo-text{color:#4481eb;font-size:24px;font-weight:700}.footer-slogan{color:#555;font-size:14px;margin-top:5px}.footer-links{display:flex;flex-wrap:wrap;gap:50px}.footer-column{flex:1;min-width:200px}.footer-column h4{color:#333;font-size:16px;margin-bottom:15px;position:relative}.footer-column h4:after{background-color:#4481eb;bottom:-8px;content:"";height:2px;left:0;position:absolute;width:30px}.footer-column a{color:#555;display:block;margin-bottom:10px;text-decoration:none;transition:color .3s}.footer-column a:hover{color:#4481eb}.social-links{display:flex;gap:15px}.social-link{background-color:#ffffff1a;border-radius:5px;display:inline-block;padding:8px 12px;transition:background-color .3s}.social-link:hover{background-color:#fff3}.footer-bottom{background-color:#fff;border-top:1px solid #e0e0e0;margin-top:30px;padding:1.5rem 0;text-align:center;width:100%}@media (max-width:768px){.features-grid,.stats-grid{grid-template-columns:1fr}.about-content{flex-direction:column}}.main-nav{background-color:#fff;box-shadow:0 2px 10px #0000001a;padding:20px 0;position:sticky;top:0;z-index:1000}.nav-container{align-items:center;display:flex;height:40px;margin:0 auto;max-width:1200px;padding:0 20px;position:relative}.navbar-links{display:flex;flex-grow:1;gap:120px;justify-content:center}.navbar-links .nav-item{background:#0000;border:none;box-shadow:none;color:#4a90e2;font-size:18px;font-weight:800;padding:0;position:relative;text-decoration:none;transition:color .3s,transform .2s;white-space:nowrap}.navbar-links .nav-item:hover{color:#3a70d0;transform:translateY(-2px)}.navbar-links .nav-item:after{background-color:#4a90e2;bottom:-4px;content:"";height:2px;left:0;position:absolute;transition:width .3s;width:0}.navbar-links .nav-item:hover:after{width:100%}.nav-logo{color:#4481eb;font-size:24px;font-weight:700}.nav-right{position:fixed;right:20px;top:15px;z-index:1001}.fixed-wish-pool-card{animation:bounce 3s ease-in-out infinite;background-color:#fff;border:1px solid #4481eb4d;border-radius:12px;box-shadow:0 10px 30px #00000026;left:20px;overflow:hidden;position:fixed;top:50%;transform:translateY(-50%);width:240px;z-index:999}@keyframes bounce{0%,to{transform:translateY(-50%)}50%{transform:translateY(calc(-50% - 15px))}}.fixed-wish-pool-card .topic-image{height:140px;overflow:hidden;padding-top:0;position:relative;width:100%}.fixed-wish-pool-card .topic-img{height:100%;object-fit:cover;width:100%}.fixed-wish-pool-card .topic-content{padding:15px;text-align:center}@media (max-width:768px){.fixed-wish-pool-card{left:10px;width:200px}}@media (max-width:480px){.fixed-wish-pool-card{display:none}}.account-center-icon{background-color:#8a2be2;box-shadow:0 2px 8px #8a2be24d}.account-center-icon:hover{box-shadow:0 3px 10px #8a2be266}.account-center-icon .fas{color:#fff;font-size:20px}.navbar-account-icon{align-items:center;display:inline-flex;height:40px!important;justify-content:center;margin-right:15px;min-height:40px;min-width:40px;order:-1;vertical-align:middle;width:40px!important}.exploration-container{background-color:#f9f5eb;margin:0 auto;max-width:1300px;padding:3rem 1rem 4rem;width:100%}.exploration-page{align-items:flex-start;background-color:#f9f5eb;display:flex;justify-content:center;min-height:100vh;padding-top:8rem;width:100%}.exploration-header{margin-bottom:3rem;text-align:center}.exploration-header h1{color:#2d3748;font-size:2.2rem;font-weight:700;margin-bottom:.8rem}.exploration-subtitle{color:#718096;font-size:1.15rem;margin-bottom:1rem}.topics-container{background-color:#f9f5eb;display:grid;gap:2.5rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));padding:1rem}.topic-item{background-color:#fff;border-radius:1rem;box-shadow:0 4px 6px #0000001a;cursor:pointer;overflow:hidden;padding:1.5rem;position:relative;transition:all .3s ease}.topic-item:hover{box-shadow:0 8px 15px #0000001a;transform:translateY(-5px)}.topic-item:active{box-shadow:0 6px 10px #0000001a;transform:translateY(-2px)}.topic-header,.topic-likes{display:none}.topic-title{color:#1a202c;font-size:1.3rem;font-weight:600;line-height:1.4;margin-bottom:1rem}.topic-preview{-webkit-line-clamp:3;-webkit-box-orient:vertical;color:#4a5568;display:-webkit-box;font-size:1rem;line-height:1.5;margin-bottom:1rem;overflow:hidden;text-overflow:ellipsis}.topic-source{color:#718096;font-size:.9rem;margin-bottom:1.2rem}.topic-tags{display:flex;flex-wrap:wrap;gap:.5rem}.topic-tag{border-radius:1rem;color:#fff;font-size:.8rem;font-weight:500;padding:.25rem .75rem;transition:all .2s ease}.topic-tag:hover{box-shadow:0 2px 4px #0000001a;transform:translateY(-2px)}.bottle-button,.practice-button{border:none;border-radius:.5rem;cursor:pointer;flex:1;font-weight:600;padding:.8rem;transition:all .3s ease}@media (max-width:768px){.topics-container{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.exploration-header h1{font-size:1.75rem}.exploration-subtitle{font-size:1rem}}@media (min-height:900px){.exploration-page{align-items:flex-start;padding-top:12rem}}.topic-detail-container{margin:0 auto;max-width:1100px;padding:2rem 1rem}.topic-detail-header{margin-bottom:2rem;position:relative}.back-button{align-items:center;background-color:#f7fafc;border:1px solid #e2e8f0;border-radius:.5rem;color:#4a5568;display:inline-flex;font-size:.9rem;margin-bottom:1rem;padding:.5rem 1rem;transition:all .2s ease}.back-button:hover{background-color:#edf2f7}.topic-detail-header h1{color:#1a202c;font-size:2rem;font-weight:700;margin-bottom:1rem}.topic-detail-meta{color:#4a5568;display:flex;gap:1.5rem;margin-bottom:1rem}.topic-detail-likes{display:none}.topic-detail-source{font-size:.95rem}.topic-detail-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.topic-detail-tag{border-radius:1rem;color:#fff;font-size:.85rem;font-weight:500;padding:.3rem .8rem}.tag-technology,.tag-科技{background-color:#ff6b6b}.tag-AI,.tag-ai{background-color:#4d96ff}.tag-education,.tag-教育{background-color:#6bcb77}.tag-environment,.tag-环境{background-color:#4adede}.tag-international,.tag-international-affairs,.tag-国际事务{background-color:#9870fc}.tag-current,.tag-current-events,.tag-时事{background-color:#ff9f45}.tag-medical,.tag-医疗{background-color:#43919b}.tag-society,.tag-社会{background-color:#725ac1}.tag-ethics,.tag-伦理{background-color:#d57e7e}.tag-finance,.tag-金融{background-color:#ffd166}.tag-blockchain,.tag-区块链{background-color:#118ab2}.tag-lifestyle,.tag-生活方式{background-color:#9c6644}.tag-virtual,.tag-virtual-reality,.tag-虚拟现实{background-color:#8e44ad}.topic-detail-content{background-color:#fff;border-radius:1rem;box-shadow:0 4px 6px #0000000d;overflow:hidden}.tab-button,.topic-tabs{display:none}.topic-questions-list{padding:2rem}.topic-question-item{margin-bottom:2rem}.part-title{align-items:center;color:#4481eb;display:flex;font-size:1.4rem;font-weight:600;margin-bottom:1rem}.part-title:after{background-color:#e2e8f0;content:"";flex:1;height:1px;margin-left:1rem}.topic-question-card{background-color:#f8fafc;border-radius:.8rem;box-shadow:0 2px 4px #0000000d;display:flex;flex-direction:column;padding:1.5rem}.topic-question-label{color:#718096;font-size:.9rem;margin-bottom:.5rem}.topic-question-text{color:#1a202c;font-size:1.2rem;font-weight:500;line-height:1.6;margin-bottom:1.5rem}.topic-actions{display:flex;gap:1rem}.practice-button{align-self:flex-end;background-color:#4481eb;border:none;border-radius:.5rem;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:.8rem 1.5rem;transition:all .3s ease;width:auto}.practice-button:hover{background-color:#3a6bc5;transform:translateY(-2px)}.bottle-button{background-color:#8a2be2;color:#fff}.bottle-button:hover{background-color:#72c}.top-answers{margin-top:0;padding:0 2rem 2rem}.top-answers h3{color:#2d3748;font-size:1.3rem;font-weight:600;margin-bottom:1rem}.answer-card{background-color:#fff;border:1px solid #e2e8f0;border-radius:.8rem;box-shadow:0 2px 4px #0000000d;margin-bottom:1rem;padding:1.2rem}.answer-header{justify-content:space-between;margin-bottom:1rem}.answer-header,.user-info{align-items:center;display:flex}.user-info{gap:.5rem}.avatar{font-size:1.2rem}.username{color:#2d3748;font-weight:600}.answer-likes{color:#ff4d4d;font-size:.9rem;font-weight:500}.answer-content{color:#4a5568;font-size:1rem;line-height:1.6}@media (max-width:768px){.topic-detail-header h1{font-size:1.6rem}.topic-questions-list{padding:1.5rem}.part-title{font-size:1.2rem}.topic-question-text{font-size:1rem}}.part-description{color:#718096;font-size:1rem;font-weight:500;margin-bottom:1rem}.questions-list{list-style-position:inside;margin-bottom:1.5rem;padding-left:.5rem}.question-item{color:#2d3748;font-size:1.1rem;line-height:1.5;margin-bottom:.8rem}.cue-card,.cue-card-points,.cue-card-question{display:none}.answer-note{background-color:#f7fafc;border-radius:.5rem;color:#718096;font-size:.95rem;font-style:italic;margin-top:1rem;padding:.5rem;text-align:center}.cue-point-item{color:#4a5568;font-size:1rem;font-weight:400;padding-left:1rem}.topic-note{align-items:flex-start;background-color:#ffebee;border-radius:.5rem;box-shadow:0 1px 3px #0000000d;color:#4a5568;display:flex;font-size:1.05rem;line-height:1.7;margin:2.5rem 2rem 2rem;padding:1rem 1.2rem}.note-icon{color:#e53935;font-size:1.2rem;margin-right:.7rem;margin-top:.1rem}.answer-actions{display:flex;gap:1rem;justify-content:center;margin:3.5rem 0 6rem;padding:0 2rem}.fetch-button,.record-button,.share-button{border:none;border-radius:.5rem;cursor:pointer;font-size:1rem;font-weight:600;min-width:160px;padding:.8rem 1.5rem;transition:all .3s ease}.record-button{background-color:#4481eb;color:#fff}.record-button:hover:not(:disabled){background-color:#3a6bc5;transform:translateY(-2px)}.share-button{background-color:#8a2be2;color:#fff}.share-button:hover:not(:disabled){background-color:#72c;transform:translateY(-2px)}.fetch-button{background-color:#ff9f45;color:#fff}.fetch-button:hover:not(:disabled){background-color:#f27d28;transform:translateY(-2px)}.fetch-button:disabled,.record-button:disabled,.share-button:disabled{background-color:#a0aec0;cursor:not-allowed;transform:none}.recording-container{background-color:#fff1f1;border:2px solid #e53935;border-radius:.8rem;box-shadow:0 2px 10px #0000000d;margin:0 2rem 2rem;padding:1.5rem;position:relative;text-align:center}.recording-indicator{align-items:center;color:#e53935;display:flex;font-size:1.1rem;font-weight:600;gap:.8rem;justify-content:center;margin-bottom:1.5rem}.recording-instructions{background-color:#e539351a;border-radius:.5rem;color:#555;font-size:.95rem;line-height:1.6;margin:1rem 0;padding:.8rem;text-align:left}.recording-pulse{animation:pulse 1.5s infinite;background-color:#e53935;border-radius:50%;height:16px;width:16px}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}.stop-recording{background-color:#e53935;border:none;border-radius:.5rem;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;margin-top:.5rem;padding:.8rem 2rem;transition:all .2s ease}.stop-recording:hover{background-color:#c62828;box-shadow:0 4px 6px #0000001a;transform:translateY(-2px)}.user-answer-container{background-color:#f0f8ff;border-radius:.8rem;box-shadow:0 2px 10px #0000000d;margin:0 2rem 2rem;padding:1.5rem 2rem}.user-answer-container h3{color:#2d3748;font-size:1.3rem;font-weight:600;margin-bottom:1rem}.user-answer-content{color:#4a5568;font-size:1.05rem;line-height:1.7;white-space:pre-line}@media (max-width:768px){.answer-actions{align-items:center;flex-direction:column}.record-button,.share-button{width:100%}}.recording-transcript{background-color:#fff;border:1px solid #e2e8f0;border-radius:.5rem;color:#333;font-size:1rem;line-height:1.5;margin:1rem 0;max-height:120px;min-height:60px;overflow-y:auto;padding:1rem;text-align:left;white-space:pre-wrap;word-break:break-word}.recording-transcript:empty:before{color:#a0aec0;content:"(正在聆听您的回答...)";font-style:italic}.bottle-modal-overlay{align-items:center;background-color:#00000080;bottom:0;display:flex;justify-content:center;left:0;padding:1rem;position:fixed;right:0;top:0;z-index:1000}.bottle-modal{animation:bottle-appear .3s ease-out;background-color:#fff;border-radius:1rem;box-shadow:0 4px 20px #00000026;max-height:80vh;max-width:600px;overflow-y:auto;position:relative;width:90%}@keyframes bottle-appear{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.bottle-modal-header{align-items:center;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;padding:1.5rem}.bottle-success-message{color:#e53935;font-size:1.3rem;font-weight:600;margin:0}.bottle-close-button{background:none;border:none;color:#4a5568;cursor:pointer;font-size:1.8rem;line-height:1;margin:0;padding:0}.bottle-close-button:hover{color:#2d3748}.bottle-content{padding:1.5rem}.bottle-user-info{align-items:center;display:flex;gap:.6rem;margin-bottom:1rem}.bottle-avatar{font-size:1.3rem}.bottle-username{color:#2d3748;font-weight:600}.bottle-answer{color:#4a5568;font-size:1.05rem;line-height:1.6;margin-bottom:1.5rem}.bottle-likes{display:flex;justify-content:flex-end}.like-button{align-items:center;background-color:#fff;border:1px solid #e2e8f0;border-radius:2rem;cursor:pointer;display:flex;gap:.4rem;padding:.5rem 1rem;transition:all .2s ease}.like-button:hover:not(:disabled){background-color:#f7fafc;transform:translateY(-2px)}.like-button.liked{background-color:#fff8f8;border-color:#ffcdd2}.like-button:disabled{cursor:default}.like-icon{font-size:1.1rem}.like-count{color:#4a5568;font-weight:600}@media (max-width:640px){.bottle-modal{width:95%}.bottle-modal-header{padding:1rem}.bottle-success-message{font-size:1.1rem}.bottle-content{padding:1rem}}.profile-page-container{background-color:#f8fafc;min-height:100vh;padding-bottom:50px;width:100%}.profile-content{margin:0 auto;max-width:1200px;padding:20px;position:relative}.planet-header{flex-direction:column;margin-bottom:30px;margin-top:100px}.planet-header,.planet-title{align-items:center;display:flex}.planet-title{margin-bottom:25px}.id-icon{font-size:40px;margin-right:15px}.id-icon,.planet-title h2{align-items:center;display:flex;height:40px;line-height:1}.planet-title h2{color:#4a90e2;font-size:32px;margin:0;padding-top:10px}.planet-image{border-radius:20px;box-shadow:0 8px 25px #00000026;height:auto;max-width:500px;width:100%}.task-modal{background-color:#fff;border-radius:10px;box-shadow:0 10px 25px #00000026;left:0;margin:0 auto;max-width:800px;position:fixed;right:0;top:-100%;transition:top .8s ease;width:90%;z-index:1000}.task-modal.slide-in{top:100px}.task-content{padding:30px}.task-content h3{color:#4a90e2;font-size:24px;margin-bottom:20px;text-align:center}.task-content p{color:#333;font-size:16px;line-height:1.6;margin-bottom:15px}.task-highlight{color:#4a90e2;font-size:18px;font-weight:700;margin-top:25px;text-align:center}.task-buttons{display:flex;justify-content:center;margin-top:25px}.task-close-btn,.task-confirm-btn{background-color:#4a90e2;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:16px;font-weight:600;padding:10px 25px;transition:background-color .3s}.task-close-btn:hover,.task-confirm-btn:hover{background-color:#3a7dcb}.profile-form-container{background-color:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a;margin-top:50px;padding:30px}.profile-form-container h2{color:#333;font-size:28px;margin-bottom:30px;text-align:center}@media (max-width:768px){.task-modal{width:95%}.task-modal.slide-in{top:80px}.task-content{padding:20px}.task-content h3{font-size:20px}.task-content p{font-size:14px}.task-highlight{font-size:16px}.planet-image{max-width:280px}}.account-center-icon{align-items:center;background-color:#06f;border-radius:50%;box-shadow:0 2px 8px #0066ff4d;cursor:pointer;display:flex;height:40px;justify-content:center;margin-right:15px;transition:all .2s ease;width:40px}.account-center-icon:hover{box-shadow:0 3px 10px #06f6;transform:scale(1.05)}.account-initial{color:#fff;font-size:20px;font-weight:700}.nav-right{align-items:center;display:flex}.pickle-date-entrance{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;box-shadow:0 10px 30px #0003;color:#fff;margin:40px auto;max-width:600px;padding:40px;text-align:center}.pickle-date-entrance h3{font-size:28px;margin-bottom:20px;text-shadow:0 2px 4px #0000004d}.pickle-date-entrance p{font-size:16px;line-height:1.6;margin-bottom:15px;opacity:.9}.entrance-buttons{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;margin-top:30px}.profile-task-btn,.start-date-btn{background:#ffffffe6;border:none;border-radius:25px;box-shadow:0 4px 15px #0000001a;color:#333;cursor:pointer;font-size:16px;font-weight:700;padding:15px 30px;transition:all .3s ease}.profile-task-btn:hover,.start-date-btn:hover{background:#fff;box-shadow:0 6px 20px #0003;transform:translateY(-2px)}.start-date-btn{background:linear-gradient(45deg,#ff6b6b,#ffa726);color:#fff}.start-date-btn:hover{background:linear-gradient(45deg,#ff5252,#ff9800)}@media (max-width:768px){.pickle-date-entrance{margin:20px 10px;padding:30px 20px}.pickle-date-entrance h3{font-size:24px}.entrance-buttons{align-items:center;flex-direction:column;gap:15px}.profile-task-btn,.start-date-btn{max-width:250px;width:100%}}.knowledge-base-container{background-color:#f8f9fa;min-height:100vh;padding:20px}.knowledge-content{margin:0 auto;max-width:1200px;padding:40px 20px;position:relative}.knowledge-header{margin-bottom:50px;padding-top:30px;text-align:center}.knowledge-header h1{color:#333;font-size:32px;margin-bottom:10px}.knowledge-header p{color:#666;font-size:16px}.development-message{align-items:center;background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0000001a;display:flex;flex-direction:column;justify-content:center;margin-top:60px;padding:40px;text-align:center}.modal-icon{font-size:48px;margin-bottom:20px}.modal-content h2{color:#444;font-size:24px;margin-bottom:15px}.modal-content p{color:#666;font-size:16px;margin-bottom:20px}.language-switcher-container{position:absolute;right:20px;top:20px;z-index:100}.language-toggle-btn{background:#fff;border:1px solid #ccc;padding:5px 10px;transition:all .3s ease}.language-toggle-btn:hover{background-color:#f0f0f0}.download-section,.share-section{background:#fff;border-radius:8px;box-shadow:0 2px 10px #0000000f;margin-bottom:40px;padding:32px}.download-section h2,.share-section h2{color:#333;font-size:22px;margin-bottom:16px}.download-section ul{list-style:none;padding:0}.download-section a{color:#4a90e2;font-weight:500;text-decoration:none}.download-section a:hover{text-decoration:underline}.share-section textarea{border:1px solid #ddd;border-radius:6px;font-size:15px;margin-bottom:12px;min-height:80px;padding:10px;width:100%}.share-section button{background:#4a90e2;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:15px;padding:8px 20px}.share-section button:hover{background:#357ab8}.shared-list>div{background:#f6f8fa;border-radius:6px;font-size:15px;margin-bottom:12px;padding:12px}.knowledge-stats{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;margin-top:1rem}.stat-item{background:#fff;border-radius:20px;box-shadow:0 2px 8px #00000014;color:#555;font-size:.9rem;font-weight:500;padding:.5rem 1rem}.knowledge-toolbar{background:#fff;border-radius:8px;box-shadow:0 2px 10px #0000000f;display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2rem;padding:1.5rem}.search-box{flex:1;min-width:200px}.search-input{border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;padding:.75rem 1rem;transition:all .3s;width:100%}.search-input:focus{border-color:#667eea;outline:none}.filter-box{display:flex;gap:1rem}.filter-select{background:#fff;border:2px solid #e0e0e0;border-radius:8px;cursor:pointer;font-size:.95rem;padding:.75rem 1rem;transition:all .3s}.filter-select:focus{border-color:#667eea;outline:none}.knowledge-table-container{background:#fff;border-radius:8px;box-shadow:0 2px 10px #0000000f;margin-bottom:2rem;overflow:hidden}.knowledge-table{border-collapse:collapse;width:100%}.knowledge-table thead{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.knowledge-table th{font-size:.95rem;font-weight:600;padding:1rem;text-align:left}.knowledge-table tbody tr{border-bottom:1px solid #f0f0f0;transition:background .2s}.knowledge-table tbody tr:hover{background:#f8f9fa}.knowledge-table td{color:#444;font-size:.9rem;padding:1rem}.knowledge-content-cell strong{color:#333;font-size:1rem}.knowledge-meaning-cell{color:#666}.category-badge{background:#e3f2fd;color:#1976d2;font-weight:500}.category-badge,.memory-badge{border-radius:12px;display:inline-block;font-size:.85rem;padding:.3rem .8rem}.memory-badge{color:#fff;font-weight:600}.knowledge-usage-cell{color:#666;font-weight:500;text-align:center}.knowledge-date-cell{color:#999;font-size:.85rem}.pagination{align-items:center;background:#fff;border-radius:8px;box-shadow:0 2px 10px #0000000f;display:flex;gap:2rem;justify-content:center;padding:1.5rem}.pagination-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:.6rem 1.5rem;transition:all .3s}.pagination-btn:hover:not(:disabled){box-shadow:0 4px 12px #667eea66;transform:translateY(-2px)}.pagination-btn:disabled{cursor:not-allowed;opacity:.5}.pagination-info{color:#555;font-weight:500}@media (max-width:768px){.filter-box,.knowledge-toolbar{flex-direction:column}.knowledge-table{font-size:.85rem}.knowledge-table td,.knowledge-table th{padding:.5rem}.knowledge-stats{gap:.5rem}.stat-item{font-size:.8rem;padding:.4rem .8rem}}.login-page{align-items:center;background-color:#f8f9fa;display:flex;justify-content:center;min-height:100vh;padding:20px}.login-container{background-color:#fff;border-radius:10px;box-shadow:0 5px 20px #0000001a;max-width:450px;padding:30px;position:relative;width:100%}.login-header{margin-bottom:30px;text-align:center}.login-header h1{color:#333;font-size:28px;font-weight:600;margin-bottom:10px}.login-header p{color:#777;font-size:16px;line-height:1.5}.back-button{background:none;color:#666;font-size:16px;left:20px;padding:5px;position:absolute;top:20px;transition:color .2s}.back-button:hover{color:#06f}.error-message{background-color:#fff3cd;border:1px solid #ffeeba;border-radius:4px;color:#856404;font-size:14px;padding:12px;text-align:center}.error-message,.form-group{margin-bottom:20px}.form-group label{color:#555;display:block;font-size:15px;font-weight:500;margin-bottom:8px}.form-group input{border:1px solid #ddd;border-radius:5px;font-size:15px;padding:12px 15px;transition:border-color .2s,box-shadow .2s;width:100%}.form-group input:focus{border-color:#06f;box-shadow:0 0 0 3px #0066ff1a;outline:none}.submit-btn{background-color:#06f;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:16px;font-weight:500;margin-top:10px;padding:12px;transition:background-color .2s;width:100%}.submit-btn:hover{background-color:#0057d5}.submit-btn:disabled{background-color:#99c1ff;cursor:not-allowed}.form-switch{color:#666;font-size:15px;margin-top:25px;text-align:center}.switch-btn{background:none;border:none;color:#06f;cursor:pointer;font-size:15px;font-weight:500;padding:0;text-decoration:underline;transition:color .2s}.switch-btn:hover{color:#0057d5}@media (max-width:500px){.login-container{padding:20px}.login-header h1{font-size:24px}.back-button{font-size:14px;left:15px;top:15px}}.account-center-container{background-color:#f8fafc;min-height:100vh;padding-bottom:50px;position:relative;width:100%}.back-to-home-btn{align-items:center;background-color:#4481eb;border:none;border-radius:5px;box-shadow:0 2px 6px #4481eb4d;color:#fff;cursor:pointer;display:flex;font-size:14px;gap:8px;left:20px;padding:8px 15px;position:absolute;top:20px;transition:all .3s ease;z-index:100}.back-to-home-btn:hover{background-color:#3a70d0;box-shadow:0 4px 8px #4481eb66;transform:translateY(-2px)}.back-to-home-btn i{font-size:14px}.account-content{margin:0 auto;max-width:900px;padding:100px 20px 20px}.account-header{margin-bottom:30px;text-align:center}.account-header h1{color:#333;font-size:32px;margin-bottom:10px}.account-header p{color:#666;font-size:16px}.update-message{animation:fadeIn .3s ease-in-out;border-radius:5px;margin-bottom:20px;padding:10px 15px;text-align:center}.update-message.success{background-color:#e7f7ee;border:1px solid #c3e6cb;color:#28a745}.update-message.error{background-color:#f8d7da;border:1px solid #f5c6cb;color:#dc3545}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.user-account-card{background-color:#fff;border-radius:10px;box-shadow:0 4px 12px #00000014;margin-bottom:30px;overflow:hidden}.account-section-header{background-color:#f8f9fa;border-bottom:1px solid #eee;padding:15px 20px}.account-section-header h2{color:#333;font-size:18px;font-weight:600;margin:0}.account-details{padding:20px}.account-item{display:flex;margin-bottom:15px;padding:5px 0}.account-label{color:#666;flex:0 0 150px;font-weight:500}.account-value{color:#333;flex:1}.account-value.premium{color:#e6a800;font-weight:500}.account-value.normal{color:#666;font-weight:500}.account-value-with-edit{align-items:center;display:flex;flex:1;justify-content:space-between}.edit-btn{background-color:#f0f0f0;border:1px solid #d8d0ed;border-radius:4px;color:#8a6bcf;cursor:pointer;font-size:12px;padding:3px 10px;transition:all .2s}.edit-btn:hover{background-color:#e9e3f5;color:#6b4cc3}.account-edit-container{display:flex;flex:1;flex-direction:column}.account-edit-input{border:1px solid #ccc;border-radius:4px;font-size:14px;margin-bottom:10px;padding:8px 12px;width:100%}.account-edit-actions{display:flex;gap:10px}.cancel-btn,.save-btn{border:none;border-radius:4px;cursor:pointer;font-size:14px;padding:6px 12px;transition:background-color .2s}.save-btn{background-color:#4a90e2;color:#fff}.save-btn:hover{background-color:#3a7dcb}.cancel-btn{background-color:#f0f0f0;border:1px solid #ddd;color:#666}.cancel-btn:hover{background-color:#e6e6e6}.account-actions-container{padding:20px}.account-action-description{background-color:#fafafa;border:1px solid #eee;border-radius:8px;margin-bottom:20px;padding:20px}.account-action-description p{color:#333;font-size:15px;line-height:1.6;margin:0}.account-action-description p strong{color:#000;font-weight:600}.account-action-description p:first-of-type{position:relative}@keyframes sparkle{0%{opacity:.8}50%{opacity:1}to{opacity:.8}}.account-action-description p span.sparkle{animation:sparkle 2s infinite;display:inline-block}.language-toggle-btn{background-color:#f0f0f0;border:1px solid #ddd;border-radius:4px;color:#666;cursor:pointer;font-size:14px;margin-top:15px;padding:6px 12px;transition:all .2s}.language-toggle-btn:hover{background-color:#e6e6e6;color:#333}.contact-images{display:flex;flex-wrap:wrap;gap:80px;justify-content:center;margin-bottom:25px;margin-top:35px}.contact-image-container{align-items:center;display:flex;flex-direction:column;margin-bottom:15px}.contact-image-container h3{color:#333;font-size:16px;font-weight:600;margin-bottom:10px}.qr-code-image{background-color:#fff;border:1px solid #e0e0e0;border-radius:12px;box-shadow:0 4px 12px #00000014;height:240px;object-fit:contain;padding:8px;transition:all .3s ease;width:240px}.qr-code-image:hover{box-shadow:0 6px 16px #0000001f;transform:scale(1.02)}.action-buttons{display:flex;flex-wrap:wrap;gap:15px}.profile-btn{background-color:#4a90e2;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:15px;padding:10px 20px;transition:background-color .2s}.profile-btn:hover{background-color:#3a7dcb}.upgrade-btn{background-color:#e6a800;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:15px;font-weight:500;padding:10px 20px;transition:background-color .2s}.upgrade-btn:hover{background-color:#d69700}.redeem-btn{background-color:#8a6bcf;border:none;border-radius:5px;box-shadow:0 3px 8px #8a6bcf4d;color:#fff;cursor:pointer;font-size:15px;font-weight:500;padding:10px 20px;transition:all .2s}.redeem-btn:hover{background-color:#7858b8;box-shadow:0 5px 12px #8a6bcf66;transform:translateY(-2px)}.reset-member-btn{background-color:#f56c6c;border:none;border-radius:5px;box-shadow:0 3px 8px #f56c6c4d;color:#fff;cursor:pointer;font-size:15px;font-weight:500;padding:10px 20px;transition:all .2s}.reset-member-btn:hover{background-color:#e04141;box-shadow:0 5px 12px #f56c6c66;transform:translateY(-2px)}.logout-btn{background-color:#f5f5f5;border:1px solid #ddd;border-radius:5px;color:#666;cursor:pointer;font-size:15px;padding:10px 20px;transition:all .2s}.logout-btn:hover{background-color:#eee;color:#333}.account-center-icon.active{background-color:#0057d5;box-shadow:0 3px 10px #06f6;transform:scale(1.05)}.redeem-container{display:inline-block;position:relative}.redeem-popup{background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0003;left:-20px;position:absolute;top:-260px;width:560px;z-index:100}.redeem-popup:before{content:none}.redeem-popup-content{padding:20px;position:relative}.redeem-popup-content h3{color:#333;font-size:18px;font-weight:600;margin:0 0 20px;text-align:left}.redeem-popup-input{background-color:#f9f9f9;border:1px solid #ddd;border-radius:5px;box-sizing:border-box;font-size:14px;margin-bottom:15px;padding:12px 15px;width:100%}.redeem-note{color:#666;margin:5px 0 20px}.redeem-error,.redeem-note{font-size:13px;line-height:1.4}.redeem-error{background-color:#f56c6c1a;border-left:3px solid #f56c6c;border-radius:4px;color:#f56c6c;font-weight:500;margin:5px 0 10px;padding:6px 10px}.redeem-popup-buttons{display:flex;gap:10px;justify-content:flex-end}.redeem-cancel-btn,.redeem-confirm-btn{border-radius:5px;cursor:pointer;font-size:14px;min-width:80px;padding:10px 20px;text-align:center;transition:all .2s}.redeem-confirm-btn{background-color:#8a6bcf;border:none;color:#fff}.redeem-confirm-btn:hover{background-color:#7858b8}.redeem-cancel-btn{background-color:#f5f5f5;border:1px solid #ddd;color:#333}.redeem-cancel-btn:hover{background-color:#eee}.redeem-popup-close{background:none;border:none;color:#999;cursor:pointer;font-size:18px;line-height:1;padding:0;position:absolute;right:15px;top:15px}@media (max-width:768px){.account-content{padding-top:80px}.account-header h1{font-size:28px}.account-item{flex-direction:column}.account-label{flex:none;margin-bottom:5px}.account-value-with-edit{margin-top:5px}.account-edit-actions{justify-content:space-between}.contact-images{gap:40px;margin-bottom:20px;margin-top:30px}.qr-code-image{height:180px;width:180px}.redeem-popup{left:-10px;max-width:90%;top:-280px;width:520px}}.app-container{background-color:#fff;margin:0;min-height:100vh;padding:0;width:100%}.game-header{align-items:center;border-bottom:1px solid #eee;display:flex;flex-wrap:wrap;justify-content:space-between;margin-bottom:20px;padding-bottom:15px}.game-header h1{color:#4481eb;flex:1;font-size:1.8rem;margin:0}.game-info{display:flex;flex-wrap:wrap;gap:15px}.game-info span{align-items:center;background-color:#f5f5f5;color:#444;display:flex}.back-button,.game-info span{border-radius:4px;font-weight:500;padding:6px 12px}.back-button{background-color:#e74c3c;border:none;color:#fff;cursor:pointer;transition:background-color .3s ease}.back-button:hover{background-color:#c0392b}.game-board{display:grid;gap:10px;grid-template-columns:repeat(4,1fr);margin-bottom:20px}.board-cell{background-color:#fff;border:2px solid #ddd;border-radius:8px;padding:15px;position:relative;text-align:center;transition:background-color .3s,color .3s}.board-cell.current{background-color:tomato;border-color:tomato;color:#fff}.board-cell.bomb{border-color:#ffc107}.board-cell .topic-container{width:100%}.board-cell .bomb-label{color:#ff9800;font-size:.8rem;font-weight:600;margin-bottom:5px}.board-cell .topic-text{font-size:.9rem}.board-cell .topic-number{font-weight:600}.controls{display:flex;justify-content:space-between;margin-bottom:20px}button.primary{background-color:#007bff;border:none;border-radius:5px;color:#fff;font-size:16px;padding:10px 20px}button.primary:disabled{background-color:#aaa}.alert{background-color:#ffeeba;border:1px solid #ffeeba;border-radius:5px;margin-bottom:20px;padding:15px}.alert-title{font-size:1.2rem;font-weight:700;margin-bottom:10px}.alert-description{font-size:1rem;white-space:pre-line}body{background-color:#fff;font-family:Arial,sans-serif;margin:0;overflow-x:hidden;padding:0;width:100%}@media (max-width:768px){.game-header{align-items:flex-start;flex-direction:column;gap:10px}.game-info{margin:10px 0}}.header-buttons{display:flex;flex-wrap:wrap;gap:10px}.nav-button{background-color:#4481eb;border:none;border-radius:5px;box-shadow:0 2px 4px #0000001a;color:#fff;cursor:pointer;font-size:14px;font-weight:500;padding:8px 15px;transition:background-color .3s ease}.nav-button:hover{background-color:#3060b0}.talktastic-voice-game{max-width:520px;width:100%}.game-controls{flex-wrap:wrap;gap:10px;justify-content:space-between;margin-bottom:15px}.game-controls,.reset-button{align-items:center;display:flex}.reset-button{background-color:#6c757d;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:14px;gap:5px;padding:8px 12px;transition:background-color .3s}.reset-button:hover:not(:disabled){background-color:#5a6268}.reset-button:disabled{background-color:#ccc;cursor:not-allowed}.game-board-container{margin-bottom:15px;width:100%}
/*# sourceMappingURL=main.31519332.css.map*/