:root{--primary-color: #4caf50;--secondary-color: #87CEEB;--danger-color: #ff5722;--light-bg: #f9f9f9;--dark-bg: #2b2b2b;--light-text: #333;--dark-text: #f0f0f0;--shadow: 0 4px 10px rgba(0, 0, 0, .1);--dark-shadow: 0 4px 10px rgba(0, 0, 0, .5);--border-radius: 8px;--transition: all .3s ease;--user-bg-light: #e1f5fe;--user-border-light: #00bcd4;--user-text-light: #333;--ai-bg-light: #f1f1f1;--ai-border-light: #4caf50;--ai-text-light: #333}body.dark-theme{--user-bg-dark: #004d40;--user-border-dark: #00acc1;--user-text-dark: #e0f7fa;--ai-bg-dark: #263238;--ai-border-dark: #388e3c;--ai-text-dark: #c8e6c9}body{font-family:Raleway,sans-serif;background-color:var(--light-bg);color:var(--light-text);margin:0;padding:0;line-height:1.6}#theme-toggle{position:fixed;width:5%;top:20px;left:5px;background:none;border:none;font-size:24px;cursor:pointer;color:var(--light-text);transition:transform .2s ease;z-index:1000}body.dark-theme #theme-toggle{color:var(--dark-text)}#theme-toggle:hover{transform:scale(1.2)}.toast{position:fixed;top:20px;right:20px;background:#007aff;color:#fff;padding:8px 16px;border-radius:8px;font-weight:500;font-size:14px;z-index:1000;animation:slideIn .3s ease;box-shadow:0 4px 12px #007aff4d;max-width:300px;opacity:1;transition:opacity 1s ease,transform 1s ease}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.toast.fade-out{animation:slideOut .3s ease forwards}@keyframes slideOut{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}body.dark-theme #toast{background-color:#66bb6a;box-shadow:var(--dark-shadow)}#toast.show{opacity:1}#main-content{display:flex;flex-direction:column;max-width:800px;margin:20px auto;padding:0 20px;gap:20px}#top-container{background-color:#f3eded;padding:20px;border-radius:var(--border-radius);box-shadow:var(--shadow);margin-bottom:5px}.case-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:5px}.case-button{background-color:var(--primary-color);color:#fff;border:none;padding:12px 20px;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition);box-shadow:0 2px 4px #0000001a}.case-button:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0003}body.dark-theme .case-button{background-color:#66bb6a;box-shadow:0 2px 4px #0000004d}#conversation-buttons{display:flex;gap:10px;justify-content:center;margin:15px 0}#clearConversationButton,#copyConversationButton{background-color:transparent;color:var(--light-text);border:2px solid var(--primary-color);padding:10px 20px;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition)}#clearConversationButton:hover,#copyConversationButton:hover{background-color:var(--primary-color);color:#fff}body.dark-theme #clearConversationButton,body.dark-theme #copyConversationButton{color:var(--dark-text);border-color:#66bb6a}body.dark-theme #clearConversationButton:hover,body.dark-theme #copyConversationButton:hover{background-color:#66bb6a}#conversation-container{background-color:#f0f0f0;border-radius:var(--border-radius);padding:20px;min-height:400px;max-height:70vh;overflow-y:auto;box-shadow:var(--shadow);margin-bottom:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex;flex-direction:column;line-height:1.6;font-size:14px;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:#87CEEB #f0f0f0}#conversation-container::-webkit-scrollbar{width:8px}#conversation-container::-webkit-scrollbar-track{background:#f0f0f0;border-radius:4px}#conversation-container::-webkit-scrollbar-thumb{background:#87ceeb;border-radius:4px}#conversation-container::-webkit-scrollbar-thumb:hover{background:#5a9fd4}#questionForm{margin:0}#questionForm input{width:100%;padding:12px;border-radius:var(--border-radius);border:1px solid #ccc;margin-top:0}.action-buttons{display:flex;gap:10px;margin:10px 0}#getResponseButton,#loadNewQuestionButton{padding:12px 24px;border:none;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition);box-shadow:0 2px 4px #0000001a}#getResponseButton{background-color:var(--primary-color);color:#fff}#loadNewQuestionButton{background-color:var(--secondary-color);color:var(--light-text)}#getResponseButton:hover,#loadNewQuestionButton:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0003}body.dark-theme #getResponseButton{background-color:#66bb6a}body.dark-theme #loadNewQuestionButton{background-color:#5c9ced;color:var(--dark-text)}#stats-container{display:flex;gap:20px;margin-top:20px}.stats{flex:1;padding:15px;border-radius:var(--border-radius);box-shadow:var(--shadow)}@media (max-width: 768px){#main-content{padding:0 10px}.case-container{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.action-buttons{flex-direction:column}#getResponseButton,#loadNewQuestionButton{width:100%}#stats-container{flex-direction:column}#conversation-container{min-height:350px;max-height:60vh;padding:15px}#conversation-buttons{flex-direction:column}}fieldset{border:2px solid var(--primary-color);border-radius:var(--border-radius);padding:10px;margin-bottom:15px;background-color:var(--light-bg);box-shadow:var(--shadow)}body.dark-theme fieldset{border-color:var(--secondary-color);background-color:#444;box-shadow:var(--dark-shadow)}legend{font-size:16px;font-weight:700;color:var(--primary-color);margin-bottom:8px}body.dark-theme legend{color:var(--secondary-color)}label{display:flex;align-items:center;font-size:14px;color:var(--light-text);cursor:pointer;margin-bottom:10px;gap:10px;position:relative}body.dark-theme label{color:var(--dark-text)}input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:absolute;opacity:0;pointer-events:none}label:before{content:"";width:20px;height:20px;border:2px solid var(--primary-color);border-radius:4px;background-color:var(--light-bg);transition:.3s ease;box-sizing:border-box}body.dark-theme label:before{background-color:#444;border-color:var(--secondary-color)}input[type=checkbox]:checked+label:before{background-color:var(--primary-color);border-color:var(--primary-color);background-image:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"%3E%3Cpath fill="white" d="M6.173 12.234l-3.518-3.364 1.24-1.294 2.278 2.177 5.382-5.137 1.293 1.294z"/%3E%3C/svg%3E');background-repeat:no-repeat;background-position:center;background-size:65%}label:hover:before,input[type=checkbox]:focus+label:before{border-color:var(--secondary-color);box-shadow:0 0 5px var(--secondary-color)}.message{margin:15px 0;display:flex;flex-direction:column;animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-items:flex-end}.message.user .message-content{background:#007aff;color:#fff;border-radius:18px 18px 4px;padding:12px 16px;max-width:70%;word-wrap:break-word;box-shadow:0 2px 8px #007aff4d;position:relative;margin-left:auto}.message.ai{align-items:flex-start}.message.ai .message-content{background:#fff;color:#333;border-radius:18px 18px 18px 4px;padding:12px 16px;max-width:70%;word-wrap:break-word;box-shadow:0 2px 8px #0000001a;border:1px solid #e0e0e0;position:relative;margin-right:auto}.message-label{font-size:12px;font-weight:600;margin-bottom:4px;opacity:.8}.message.user .message-label{text-align:right;color:#007aff}.message.ai .message-label{text-align:left;color:#666}.user{background-color:var(--user-bg-light);border-left:5px solid var(--user-border-light);padding:15px 20px;margin:15px 0;position:relative;word-wrap:break-word;white-space:pre-wrap;overflow-wrap:break-word;color:var(--user-text-light);transition:var(--transition);border-radius:8px;box-shadow:0 2px 4px #0000001a;line-height:1.6;font-size:14px;max-width:100%}body.dark-theme .user{background-color:var(--user-bg-dark);border-left:5px solid var(--user-border-dark);color:var(--user-text-dark);box-shadow:0 2px 4px #0000004d}.ai{background-color:var(--ai-bg-light);border-left:5px solid var(--ai-border-light);padding:15px 20px;margin:15px 0;position:relative;word-wrap:break-word;white-space:pre-wrap;overflow-wrap:break-word;color:var(--ai-text-light);transition:var(--transition);border-radius:8px;box-shadow:0 2px 4px #0000001a;line-height:1.6;font-size:14px;max-width:100%}body.dark-theme .ai{background-color:var(--ai-bg-dark);border-left:5px solid var(--ai-border-dark);color:var(--ai-text-dark);box-shadow:0 2px 4px #0000004d}body.dark-theme .message.ai .message-content{background:#2c2c2e;color:#fff;border-color:#3a3a3c}body.dark-theme .message.user .message-label{color:#007aff}body.dark-theme .message.ai .message-label{color:#999}body.dark-theme #conversation-container{background-color:#1c1c1e;color:#fff;scrollbar-color:#87CEEB #1c1c1e}body.dark-theme #conversation-container::-webkit-scrollbar-track{background:#1c1c1e}body.dark-theme #conversation-container::-webkit-scrollbar-thumb{background:#87ceeb}body.dark-theme #conversation-container::-webkit-scrollbar-thumb:hover{background:#5a9fd4}.user:before,.ai:before{content:"";display:inline-block;width:30px;height:30px;background-size:cover;position:absolute;top:10px;left:-35px;border-radius:50%}.stats{flex:1;background-color:var(--light-bg);border-radius:var(--border-radius);padding:15px;box-shadow:var(--shadow);color:var(--light-text);text-align:center}body.dark-theme .stats{background-color:#444;box-shadow:var(--dark-shadow);color:var(--dark-text)}#stats-container h3{margin-bottom:5px;font-size:18px;color:var(--primary-color)}#stats-container h6{margin-top:0;font-size:12px;color:#555;margin-bottom:3px}body.dark-theme #stats-container h3{color:#66bb6a}.stats p{margin:5px 0;font-size:16px;line-height:1.4}#directions{text-align:center;margin-top:20px;margin-bottom:20px;font-size:14px;line-height:1.8;font-style:italic;color:#555;padding:10px;background-color:#f8f8f8;border:1px solid #ddd;border-radius:var(--border-radius);box-shadow:var(--shadow)}body.dark-theme #directions{color:#ccc;background-color:#333;border:1px solid #555;box-shadow:var(--dark-shadow)}#directions strong{color:var(--primary-color);font-weight:700}#directions em{color:var(--secondary-color);font-style:italic}body.dark-theme #top-container{background-color:#3a3a3a}body.dark-theme #conversation-container{background-color:#2b2b2b;color:var(--dark-text)}body.dark-theme input::placeholder{color:#888}#spinner-container{display:flex;justify-content:center;margin:-10px 0}#spinner{display:none;width:40px;height:40px;border:4px solid rgba(0,0,0,.1);border-left:4px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}body.dark-theme #spinner{border:4px solid rgba(255,255,255,.1);border-left:4px solid var(--primary-color)}.action-buttons{display:flex;gap:15px;margin:15px 0}#getResponseButton,#loadNewQuestionButton{flex:1;min-height:44px;padding:10px 20px;border:none;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition);box-shadow:0 2px 4px #0000001a;font-size:16px;text-align:center}#questionForm{margin:5px 0}#questionForm p{margin:0 0 5px;font-size:14px;color:var(--light-text)}body.dark-theme #questionForm p{color:var(--dark-text)}#questionForm input{width:100%;padding:12px;border-radius:var(--border-radius);border:1px solid #ccc;margin-top:5px;font-size:16px}.button-base{border:none;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition);padding:12px 20px}.container-base{border-radius:var(--border-radius);box-shadow:var(--shadow);padding:15px}.user,.ai{border-left:5px solid;padding-left:15px;position:relative;word-wrap:break-word;overflow-wrap:break-word;transition:var(--transition)}.case-button,#getResponseButton,#loadNewQuestionButton{border:none;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition);padding:12px 20px}#conversation-container,#top-container,.stats{border-radius:var(--border-radius);box-shadow:var(--shadow);padding:15px}@media (max-width: 768px){.flex-column-mobile{flex-direction:column}.full-width-mobile{width:100%}#conversation-container{min-height:350px;max-height:60vh;padding:15px}#main-content{padding:0 10px}}body.dark-theme{background-color:var(--dark-bg);color:var(--dark-text)}body.dark-theme .container-base{background-color:#3a3a3a;box-shadow:var(--dark-shadow)}body.dark-theme input{background-color:#3a3a3a;color:var(--dark-text);border-color:#555}.beta-warning{background:linear-gradient(135deg,#ff6b6b,#ff8e8e);color:#fff;padding:12px 20px;margin:10px 0;border-radius:8px;box-shadow:0 4px 15px #ff6b6b4d;border:2px solid #ff5252;animation:pulse 2s infinite}.beta-warning-content{display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:500}.beta-icon{font-size:18px;animation:bounce 1s infinite}.beta-text{flex:1;text-align:center}@keyframes pulse{0%{box-shadow:0 4px 15px #ff6b6b4d}50%{box-shadow:0 4px 25px #ff6b6b80}to{box-shadow:0 4px 15px #ff6b6b4d}}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-3px)}60%{transform:translateY(-2px)}}body.dark-theme .beta-warning{background:linear-gradient(135deg,#d32f2f,#f44336);border-color:#ff5252}.tab-navigation{display:flex;background:var(--card-bg, white);border-radius:10px;padding:5px;margin-bottom:20px;box-shadow:0 4px 15px #0000001a;overflow-x:auto;border:1px solid var(--border-color, #e9ecef)}.tab-button{flex:1;min-width:120px;padding:12px 16px;border:none;background:transparent;cursor:pointer;border-radius:8px;font-size:14px;font-weight:500;transition:all .3s ease;color:var(--text-color, #666);white-space:nowrap}.tab-button:hover{background:var(--button-hover, #f8f9fa);color:var(--text-color, #333)}.tab-button.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 2px 10px #667eea4d}#filter-container{background:var(--card-bg, white);border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 2px 10px #0000001a;border:1px solid var(--border-color, #e9ecef)}#generate-question-section{background:var(--card-bg, white);border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 2px 10px #0000001a;text-align:center;border:1px solid var(--border-color, #e9ecef)}.generate-question-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:15px 30px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea4d;margin-bottom:10px}.generate-question-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.generate-question-btn:active{transform:translateY(0)}.generate-question-hint{color:var(--text-color, #666);font-size:14px;margin:0;font-style:italic}@media (max-width: 768px){.generate-question-btn{padding:12px 24px;font-size:14px;width:100%;max-width:300px}.generate-question-hint{font-size:12px}}.filter-section{margin-bottom:20px}.filter-section:last-child{margin-bottom:0}.filter-section h3{margin-bottom:10px;color:var(--text-color, #333);font-size:16px;font-weight:600}.filter-buttons{display:flex;flex-wrap:wrap;gap:8px}.filter-button{padding:8px 16px;border:2px solid var(--border-color, #e9ecef);background:var(--card-bg, white);border-radius:20px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease;color:var(--text-color, #666)}.filter-button:hover{border-color:#667eea;color:#667eea}.filter-button.active{background:#667eea;border-color:#667eea;color:#fff}.filter-button.multi-select{transition:all .3s ease}.filter-button.multi-select.active{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff;box-shadow:0 2px 8px #667eea4d;transform:translateY(-1px)}.filter-button.multi-select:hover:not(.active){border-color:#667eea;color:#667eea;background:#667eea0d;transform:translateY(-1px)}body.dark-theme .filter-button.multi-select:hover:not(.active){background:#667eea1a;border-color:#8b9cf7;color:#8b9cf7}#content-area{background:var(--card-bg, white);border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 2px 10px #0000001a;min-height:400px;border:1px solid var(--border-color, #e9ecef)}#standard-layout{display:block}#interactive-layout{display:none}#interactive-layout.active{display:block}#left-side{display:flex;flex-direction:column;height:100%}#conversation-wrapper{display:flex;flex:1;gap:20px;margin-bottom:20px}#conversation-container-interactive{flex:1;background:var(--input-bg, #f8f9fa);border-radius:8px;padding:15px;max-height:400px;overflow-y:auto;border:2px solid var(--border-color, #e9ecef);color:var(--text-color, #333)}#patient-image-wrapper{flex:0 0 300px;display:flex;align-items:center;justify-content:center}#patient-image-container{width:100%;height:300px;border-radius:8px;overflow:hidden;border:2px solid var(--border-color, #e9ecef);background:var(--input-bg, #f8f9fa);display:flex;align-items:center;justify-content:center}#patient-image{max-width:100%;max-height:100%;object-fit:cover;border-radius:6px}#conversation-container{background:var(--input-bg, #f8f9fa);border-radius:8px;padding:15px;margin-bottom:20px;min-height:200px;max-height:400px;overflow-y:auto;border:2px solid var(--border-color, #e9ecef);color:var(--text-color, #333)}.conversation-message{margin-bottom:15px;padding:10px;border-radius:6px}.conversation-message.user{background:#e3f2fd;border-left:4px solid #2196f3;margin-left:20px}.conversation-message.ai{background:#f3e5f5;border-left:4px solid #9c27b0;margin-right:20px}.conversation-message.system{background:#fff3e0;border-left:4px solid #ff9800;font-style:italic}#spinner-container-standard,#spinner-container-interactive{display:none;justify-content:center;align-items:center;margin:20px 0;padding:20px}#spinner-container-standard.show,#spinner-container-interactive.show{display:flex}#spinner{width:50px;height:50px;border:4px solid var(--border-color, #f3f3f3);border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;position:relative}#spinner:after{content:"AI is thinking...";position:absolute;top:60px;left:50%;transform:translate(-50%);color:var(--text-color, #666);font-size:14px;white-space:nowrap}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#questionForm,#questionForm-interactive{margin-bottom:20px}#questionForm input,#questionForm-interactive input{width:100%;padding:12px;border:2px solid var(--border-color, #e9ecef);border-radius:8px;font-size:16px;transition:border-color .3s ease;background:var(--input-bg, white);color:var(--text-color, #333)}#questionForm input:focus,#questionForm-interactive input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.action-buttons{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.action-buttons button{padding:10px 20px;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease}#getResponseButton,#getResponseButton-interactive{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}#getResponseButton:hover,#getResponseButton-interactive:hover{transform:translateY(-1px);box-shadow:0 4px 15px #667eea4d}#loadNewQuestionButton{background:#28a745;color:#fff}#loadNewQuestionButton:hover{background:#218838;transform:translateY(-1px)}#conversation-buttons{display:flex;gap:10px;justify-content:center;margin-top:20px}#conversation-buttons button{padding:8px 16px;border:2px solid var(--border-color, #6c757d);background:var(--card-bg, white);color:var(--text-color, #6c757d);border-radius:6px;cursor:pointer;font-size:14px;transition:all .3s ease}#conversation-buttons button:hover{background:#6c757d;color:#fff}#stats-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:20px}.stats{background:var(--card-bg, white);border-radius:10px;padding:20px;text-align:center;box-shadow:0 2px 10px #0000001a;border:2px solid var(--border-color, #e9ecef);transition:all .3s ease;color:var(--text-color, #333)}.stats:hover{transform:translateY(-2px);box-shadow:0 4px 20px #0000001a}.stats h3{color:var(--text-color, #333);margin-bottom:10px;font-size:18px}.stats h6{color:var(--text-color, #666);margin-bottom:15px;font-size:12px;font-weight:400}.stats p{margin:8px 0;color:var(--text-color, #555)}.stats span{font-weight:700;color:#667eea}@media (max-width: 768px){.tab-navigation{flex-direction:column;gap:5px}.tab-button{min-width:auto;margin-bottom:5px}.filter-buttons{flex-direction:column}.filter-button{text-align:center}#conversation-wrapper{flex-direction:column}#patient-image-wrapper{flex:none;height:200px}#patient-image-container{height:200px}.action-buttons{flex-direction:column}.action-buttons button{width:100%}#conversation-buttons{flex-direction:column}#conversation-buttons button{width:100%}#stats-container{grid-template-columns:1fr}}#directions{background:var(--card-bg, white);border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 2px 10px #0000001a;border:1px solid var(--border-color, #e9ecef);color:var(--text-color, #333)}#directions p{margin:10px 0;color:var(--text-color, #333)}#directions strong{color:var(--text-color, #333)}#directions em{color:var(--text-color, #666)}.hidden{display:none!important}.loading{opacity:.6;pointer-events:none}.error{color:#dc3545;background:#f8d7da;border:1px solid #f5c6cb;padding:10px;border-radius:6px;margin:10px 0}.success{color:#155724;background:#d4edda;border:1px solid #c3e6cb;padding:10px;border-radius:6px;margin:10px 0}body.dark-theme .conversation-message.user{background:#2196f333;border-left:4px solid #2196f3}body.dark-theme .conversation-message.ai{background:#9c27b033;border-left:4px solid #9c27b0}body.dark-theme .conversation-message.system{background:#ff980033;border-left:4px solid #ff9800}body.dark-theme #spinner{border:4px solid var(--border-color, #3d3d3d);border-top:4px solid #667eea}body.dark-theme #spinner:after{color:var(--text-color, #ffffff)}body.dark-theme .notification{background-color:var(--card-bg, #2d2d2d)!important;color:var(--text-color, #ffffff)!important;border:1px solid var(--border-color, #404040)}body.dark-theme #questionForm input:focus,body.dark-theme #questionForm-interactive input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea33}body.dark-theme .filter-button:hover{background:var(--button-hover, #3d3d3d)}body.dark-theme #conversation-buttons button:hover{background:var(--text-color, #6c757d);color:var(--card-bg, white)}.multiple-choice-question{background:var(--card-bg, white);border:2px solid var(--border-color, #e9ecef);border-radius:10px;padding:20px;margin:15px 0;box-shadow:0 2px 10px #0000001a}.question-text{font-size:16px;font-weight:600;color:var(--text-color, #333);margin-bottom:20px;line-height:1.5}.options-container{margin-bottom:20px}.option-item{display:flex;align-items:flex-start;padding:12px 16px;margin:8px 0;background:var(--input-bg, #f8f9fa);border:2px solid var(--border-color, #e9ecef);border-radius:8px;transition:all .3s ease;cursor:pointer;-webkit-user-select:none;user-select:none}.option-item:hover{border-color:#667eea;background:#667eea0d;transform:translateY(-1px);box-shadow:0 2px 8px #667eea33}.option-item.clickable-option{cursor:pointer;position:relative;overflow:hidden}.option-item.clickable-option:active{transform:translateY(0) scale(.98);transition:all .1s ease}.option-item.clickable-option:hover{border-color:#667eea;background:#667eea1a;transform:translateY(-2px);box-shadow:0 4px 12px #667eea4d}.option-item.selected{border-color:#667eea;background:linear-gradient(135deg,#667eea26,#764ba226);box-shadow:0 4px 15px #667eea66;transform:translateY(-1px)}.option-item.selected .option-letter{color:#667eea;font-weight:800}.option-item.selected .option-text{color:#667eea;font-weight:600}.option-item.processing{opacity:.7;pointer-events:none;background:linear-gradient(135deg,#667eea33,#764ba233);border-color:#667eea;animation:pulse-processing 1.5s infinite}@keyframes pulse-processing{0%{box-shadow:0 4px 15px #667eea66}50%{box-shadow:0 4px 25px #667eea99}to{box-shadow:0 4px 15px #667eea66}}.option-letter{font-weight:700;color:#667eea;margin-right:12px;min-width:20px;font-size:16px}.option-text{color:var(--text-color, #333);font-size:15px;line-height:1.4;flex:1}.answer-instruction{background:#667eea1a;border:1px solid rgba(102,126,234,.3);border-radius:6px;padding:12px;margin-top:15px}.answer-instruction p{margin:0;color:var(--text-color, #333);font-size:14px;text-align:center}body.dark-theme .multiple-choice-question{background:var(--card-bg, #2d2d2d);border-color:var(--border-color, #404040)}body.dark-theme .option-item{background:var(--input-bg, #3d3d3d);border-color:var(--border-color, #404040)}body.dark-theme .option-item:hover{background:#667eea1a;border-color:#8b9cf7}body.dark-theme .option-item.clickable-option:hover{background:#667eea26;border-color:#8b9cf7}body.dark-theme .option-item.selected{background:linear-gradient(135deg,#667eea40,#764ba240);border-color:#8b9cf7;box-shadow:0 4px 15px #667eea80}body.dark-theme .option-item.selected .option-letter,body.dark-theme .option-item.selected .option-text{color:#8b9cf7}body.dark-theme .option-item.processing{background:linear-gradient(135deg,#667eea4d,#764ba24d);border-color:#8b9cf7;animation:pulse-processing-dark 1.5s infinite}@keyframes pulse-processing-dark{0%{box-shadow:0 4px 15px #667eea80}50%{box-shadow:0 4px 25px #667eeab3}to{box-shadow:0 4px 15px #667eea80}}body.dark-theme .option-text{color:var(--text-color, #ffffff)}body.dark-theme .answer-instruction{background:#667eea26;border-color:#667eea66}body.dark-theme .answer-instruction p{color:var(--text-color, #ffffff)}
