:root{--primary-color: #ff6600;--primary-hover: #cc5200;--secondary-color: #ffffff;--secondary-hover: #f0f0f0;--danger-color: #ff4757;--warning-color: #ffa726;--info-color: #448aff;--light-bg: #ffffff;--dark-bg: #f8f9fa;--accent-bg: #fff3e0;--light-text: #333333;--dark-text: #555555;--muted-text: #888888;--border-color: #e0e0e0;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--border-radius: 12px;--border-radius-sm: 8px;--border-radius-lg: 16px;--transition: all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast: all .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: all .4s cubic-bezier(.4, 0, .2, 1);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;font-weight:400;color-scheme:light;color:var(--light-text);background-color:var(--light-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--light-bg);color:var(--light-text);transition:var(--transition);position:relative}@media (prefers-color-scheme: dark){:root{color:var(--light-text);background-color:var(--dark-bg)}body{background-color:var(--dark-bg)}}.navbar{background:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,102,0,.3);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:1000;transition:var(--transition)}.navbar:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.navbar-container{max-width:1400px;margin:0 auto;padding:1rem 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0;overflow:hidden}.navbar-link:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(0,180,255,.1),transparent);transition:var(--transition)}.navbar-link:hover:before{left:100%}.navbar-link:hover{color:var(--primary-color);transform:translateY(-1px)}.navbar-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:3px;background:var(--primary-color);transition:var(--transition);border-radius:3px}.navbar-link:hover:after{width:100%}.navbar-user{color:var(--light-text);font-size:1rem;font-weight:500;background:#ff66001a;padding:.6rem 1.2rem;border-radius:var(--border-radius-sm);border:1px solid rgba(255,102,0,.2);transition:var(--transition);display:flex;align-items:center;gap:.5rem}.navbar-user:hover{background:#ff660026;transform:translateY(-1px)}.navbar-logout{background:transparent;border:1px solid var(--primary-color);color:var(--primary-color);padding:.6rem 1.2rem;border-radius:var(--border-radius-sm);font-size:.9rem;font-weight:500;cursor:pointer;transition:var(--transition)}.navbar-logout:hover{background:var(--primary-color);color:#fff;transform:translateY(-1px)}.app{max-width:1400px;margin:2rem auto;padding:2.5rem;min-height:calc(100vh - 4rem);position:relative;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);transition:var(--transition)}.app:hover{box-shadow:var(--shadow-xl);border-color:#f603}.official-link-container{text-align:center;margin-bottom:3rem;position:relative;z-index:10}.official-link-button{display:inline-block;padding:1rem 2rem;background:var(--primary-color);color:#fff;text-decoration:none;border-radius:var(--border-radius-lg);font-weight:700;font-size:1.1rem;transition:var(--transition);box-shadow:var(--shadow-md);border:1px solid rgba(255,102,0,.3);position:relative;text-transform:uppercase;letter-spacing:.5px}.official-link-button:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);letter-spacing:1px}.official-link-button:active{transform:translateY(-1px);box-shadow:var(--shadow-md);letter-spacing:.5px}h1,h2,h3,h4{margin-bottom:1.5rem;color:var(--light-text);font-weight:700;line-height:1.2;position:relative;display:inline-block}h1:after,h2:after,h3:after,h4:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:3px;background:var(--primary-color);transition:var(--transition);border-radius:3px}h1:hover:after,h2:hover:after,h3:hover:after,h4:hover:after{width:100%}h1{font-size:3.5rem;font-weight:800;background:linear-gradient(135deg,var(--light-text),var(--dark-text));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-transform:uppercase;letter-spacing:1px}h2{font-size:2.5rem;font-weight:700;color:var(--primary-color);letter-spacing:.5px}h3{font-size:1.8rem;font-weight:600;color:var(--light-text);letter-spacing:.3px}h4{font-size:1.3rem;font-weight:600;color:var(--dark-text);letter-spacing:.2px}button{border-radius:var(--border-radius-lg);border:1px solid rgba(255,102,0,.3);padding:.8em 1.5em;font-size:1em;font-weight:600;font-family:inherit;background:var(--primary-color);color:#fff;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-md);position:relative;text-transform:uppercase;letter-spacing:.5px}button:hover{transform:translateY(-3px) scale(1.02);box-shadow:var(--shadow-lg);letter-spacing:1px}button:focus,button:focus-visible{outline:3px solid var(--primary-color);outline-offset:3px;box-shadow:var(--shadow-lg)}button:active{transform:translateY(-1px) scale(.98);box-shadow:var(--shadow-md);letter-spacing:.5px}button:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;background:#ff660080;letter-spacing:.5px}button.secondary{background:var(--secondary-color);border-color:#ff660080;box-shadow:var(--shadow-sm);color:var(--light-text)}button.secondary:hover{box-shadow:var(--shadow-md)}button.danger{background:var(--danger-color);border-color:#ff475780;box-shadow:var(--shadow-sm)}button.danger:hover{box-shadow:var(--shadow-md)}form{display:flex;flex-direction:column;gap:1.5rem;max-width:600px;margin:0 auto;padding:2.5rem;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);transition:var(--transition);position:relative;z-index:1}form:before{content:"";position:absolute;top:0;left:0;width:100%;height:6px;background:var(--primary-color);border-radius:var(--border-radius-lg) var(--border-radius-lg) 0 0;z-index:2}form:hover{box-shadow:var(--shadow-xl);border-color:#f603;transform:translateY(-2px)}form div{display:flex;flex-direction:column;gap:.5rem}label{font-weight:500;font-size:.9rem;color:var(--dark-text)}input,textarea,select{padding:1em 1.2em;border:1px solid rgba(255,102,0,.3);border-radius:var(--border-radius-lg);font-size:1em;font-family:inherit;background:#ffffffe6;color:var(--light-text);transition:var(--transition);box-shadow:var(--shadow-sm);position:relative;z-index:1;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}input::placeholder,textarea::placeholder,select::placeholder{color:var(--muted-text);font-weight:400;transition:var(--transition)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #ff66001a;transform:translateY(-2px) 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0;font-size:.9rem}.success{color:var(--secondary-color);margin:1rem 0;font-size:.9rem}.home{text-align:center;padding:8rem 2.5rem;background:var(--dark-bg);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-xl);margin:3rem 0;transition:var(--transition);position:relative;border:1px solid var(--border-color)}.home:hover{box-shadow:var(--shadow-xl);transform:translateY(-5px);border-color:#f603}.home .content{position:relative;z-index:1}.home h1{font-size:3.5em;margin-bottom:1rem;color:var(--primary-color);font-weight:700}.home p{font-size:1.3em;margin-bottom:3rem;color:var(--dark-text);max-width:600px;margin-left:auto;margin-right:auto;line-height:1.6}@media (prefers-color-scheme: dark){.home{background:var(--dark-bg);box-shadow:var(--shadow-md)}.home p{color:var(--light-text)}}.home-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin:3rem 0;position:relative;z-index:1}.feature-card{background:#fff;border-radius:var(--border-radius-lg);padding:2.5rem;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);transition:var(--transition);position:relative;z-index:1}.feature-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:6px;background:var(--primary-color);border-radius:var(--border-radius-lg) var(--border-radius-lg) 0 0;z-index:2}.feature-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--shadow-xl);border-color:#f603}.feature-card h3{font-size:1.4rem;margin-bottom:1.2rem;color:var(--light-text);font-weight:700;letter-spacing:.5px}.feature-card p{color:var(--muted-text);font-size:1rem;line-height:1.6;margin:0}.feature-card .icon{font-size:2.5rem;margin-bottom:1.5rem;display:block;text-align:center;color:var(--primary-color)}.home .actions{display:flex;gap:2rem;justify-content:center;margin-top:4rem;flex-wrap:wrap;position:relative;z-index:1}.home button{font-size:1.2em;padding:1em 2.5em;font-weight:700;border-radius:60px;position:relative;background:var(--primary-color);box-shadow:var(--shadow-md);border:1px solid rgba(255,102,0,.3);transition:all .3s cubic-bezier(.4,0,.2,1);text-transform:uppercase;letter-spacing:1px}.home button:hover{transform:translateY(-4px) scale(1.05);box-shadow:var(--shadow-lg);letter-spacing:2px}.home button.secondary{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color);box-shadow:var(--shadow-sm)}.home button.secondary:hover{background:var(--primary-color);color:#fff;box-shadow:var(--shadow-lg);border-color:var(--primary-color);transform:translateY(-4px) scale(1.05);letter-spacing:2px}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--light-bg) 0%,var(--dark-bg) 50%,var(--accent-bg) 100%);background-size:100% 100%;background-position:center;background-repeat:no-repeat;padding:2rem;position:relative}.login-card{background:#fff;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-xl);padding:3.5rem;width:100%;max-width:500px;animation:fadeIn .5s ease-in-out;position:relative;z-index:1;border:1px solid var(--border-color);transition:var(--transition)}.login-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:6px;background:var(--primary-color);border-radius:var(--border-radius-lg) var(--border-radius-lg) 0 0;z-index:2}.login-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-5px) scale(1.02);border-color:#f603}.login-header{text-align:center;margin-bottom:3rem;position:relative}.login-header:after{content:"";position:absolute;bottom:-20px;left:50%;transform:translate(-50%);width:120px;height:4px;background:var(--primary-color);border-radius:2px}.login-header h1{font-size:2.5rem;margin-bottom:1rem;color:var(--primary-color);font-weight:800;text-transform:uppercase;letter-spacing:1px}.login-header p{color:var(--muted-text);font-size:1.1rem;margin-top:1rem;line-height:1.5}.login-header .logo{width:80px;height:80px;margin:0 auto 2rem;background:var(--primary-color);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;font-weight:900;box-shadow:var(--shadow-md)}.login-form{display:flex;flex-direction:column;gap:2rem;position:relative;z-index:1}.form-group{display:flex;flex-direction:column;gap:.8rem;position:relative}.form-group label{font-weight:600;font-size:1rem;color:var(--light-text);transition:all .3s ease;text-transform:uppercase;letter-spacing:.5px}.form-group input{padding:1.2rem 1.5rem;border:1px solid rgba(255,102,0,.3);border-radius:var(--border-radius-lg);font-size:1.1rem;transition:all .3s 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scale(1.02);box-shadow:var(--shadow-xl);letter-spacing:2px}.login-button:active{transform:translateY(-1px);box-shadow:var(--shadow-lg);letter-spacing:1px}.login-footer{display:flex;flex-direction:column;align-items:center;gap:1.5rem;margin-top:2.5rem;font-size:1rem;color:var(--muted-text)}.forgot-password-link{color:var(--primary-color);text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);font-weight:500;letter-spacing:.5px;padding:.5rem 1rem;border-radius:var(--border-radius-sm)}.forgot-password-link:hover{color:var(--primary-hover);transform:translateY(-2px);background:#ff66001a}.register-link{color:var(--primary-color);font-weight:700;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);letter-spacing:.5px;padding:.5rem 1.5rem;border-radius:var(--border-radius-sm);border:1px solid rgba(255,102,0,.3)}.register-link:hover{color:var(--primary-hover);transform:translateY(-2px);background:#ff66001a;border-color:var(--primary-color)}.error-message{background:#ef44441a;color:#ef4444;padding:1rem;border-radius:8px;font-size:.9rem;margin-bottom:1rem;text-align:center;border-left:4px solid #ef4444;animation:fadeIn .5s ease-in-out;border:1px solid rgba(239,68,68,.3)}.success-message{background:#10b9811a;color:#10b981;padding:1rem;border-radius:8px;font-size:.9rem;margin-bottom:1rem;text-align:center;border-left:4px solid #10b981;animation:fadeIn .5s ease-in-out;border:1px solid rgba(16,185,129,.3)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (max-width: 768px){.app{padding:1rem}.qa .header{flex-direction:column;align-items:flex-start;gap:1rem}.user-info{align-self:flex-end}.qa-controls{flex-direction:column;align-items:stretch}.search-bar{width:100%}.categories{width:100%;justify-content:flex-start;flex-wrap:wrap}.question-header{flex-direction:column;align-items:flex-start;gap:.5rem}.form-actions{flex-direction:column}.form-actions button{width:100%}.home{padding:2rem 1rem}.home h1{font-size:2.5em}.login-card{padding:2rem}.question-item{padding:1.5rem}.answer-item{padding:1.25rem}.answers-header{flex-direction:column;align-items:flex-start;gap:.5rem}}@media (max-width: 480px){.app{padding:.5rem}.home h1{font-size:2em}.login-card{padding:1.5rem}.question-item{padding:1.25rem}.qa-controls{padding:1rem}form{padding:1.5rem}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}@media (prefers-color-scheme: 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var(--border-color);box-shadow:var(--shadow-lg)}.qa .header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding:1.5rem 2rem;background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-md);border:1px solid var(--border-color);flex-wrap:wrap;gap:1rem;position:relative;z-index:1}.qa .header h2{font-size:2rem;color:var(--primary-color);font-weight:700;margin:0}.user-info{display:flex;align-items:center;gap:1rem;padding:.8rem 1.2rem;background:#ff66001a;border-radius:var(--border-radius);border:1px solid rgba(255,102,0,.2);transition:all .3s ease}.user-info:hover{transform:translateY(-2px);background:#ff660026}.qa-controls{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap;align-items:center;padding:2rem;background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-md);border:1px solid var(--border-color);position:relative;z-index:1}.qa-controls:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--primary-color);border-radius:var(--border-radius) var(--border-radius) 0 0}.search-bar{flex:1;min-width:250px}.search-bar input{width:100%;padding:.8em 1em;border:1px solid rgba(255,102,0,.3);border-radius:var(--border-radius);font-size:1em;transition:var(--transition);box-shadow:var(--shadow-sm);background:#fff;color:var(--light-text)}.search-bar input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #ff66001a;transform:translateY(-1px)}.categories{display:flex;gap:.5rem;flex-wrap:wrap}.categories button{background:#fff;color:var(--light-text);font-size:.9em;padding:.4em .8em;border:1px solid rgba(255,102,0,.3);box-shadow:var(--shadow-sm)}.categories button:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.categories button.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:var(--shadow-md)}.subcategories{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.5rem}.subcategories button{background:#fff;color:var(--light-text);font-size:.9em;padding:.4em .8em;border:1px solid rgba(255,102,0,.3);box-shadow:var(--shadow-sm)}.subcategories button:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.subcategories button.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:var(--shadow-md)}.subcategory-tag{background:#448aff;color:#fff;padding:.3em .8em;border-radius:16px;font-size:.8em;font-weight:500;align-self:flex-start;border:1px solid rgba(68,138,255,.3);margin-left:.5rem}.ask-button{background:var(--primary-color);font-weight:600;border-color:#ff660080;box-shadow:var(--shadow-sm);color:#fff}.ask-button:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.ask-form{margin-bottom:2rem;padding:2rem;background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-md);border:1px solid var(--border-color);animation:slideIn .3s ease-out;position:relative;z-index:1}@media (prefers-color-scheme: dark){.ask-form{background:var(--dark-bg);border-color:var(--border-color);box-shadow:var(--shadow-md)}}.questions-list{display:flex;flex-direction:column;gap:2rem}.question-item{padding:2rem;background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-md);border:1px solid var(--border-color);transition:var(--transition);position:relative;margin-bottom:2rem;animation:slideIn .5s ease-out}.question-item:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-color);border-radius:var(--border-radius) var(--border-radius) 0 0}.question-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#f603}.question-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem;flex-wrap:wrap;gap:1rem;position:relative;z-index:1}.question-header h3{flex:1;margin:0;font-size:1.5rem;font-weight:600;color:var(--light-text)}.category-tag{background:var(--primary-color);color:#fff;padding:.3em .8em;border-radius:16px;font-size:.8em;font-weight:500;align-self:flex-start;border:1px solid rgba(255,102,0,.3)}.question-meta{display:flex;gap:1.5rem;margin-top:1rem;font-size:.9em;color:var(--muted-text);padding-top:1rem;border-top:1px solid var(--border-color);position:relative;z-index:1}.answers-section{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color);position:relative;z-index:1}.answers-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;flex-wrap:wrap;gap:1rem}.answers-header h4{margin:0;font-size:1.1rem;color:var(--light-text)}.ai-answer-button{background:var(--primary-color);font-size:.9em;padding:.4em .8em;font-weight:500;border-color:#ff660080;box-shadow:var(--shadow-sm);color:#fff}.ai-answer-button:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.ai-answer-button:disabled{background:#ff660080;box-shadow:none;cursor:not-allowed}.answer-item{padding:1.5rem;margin-bottom:1.5rem;background:#fff;border-radius:var(--border-radius);border:1px solid var(--border-color);transition:var(--transition);box-shadow:var(--shadow-sm);position:relative;z-index:1}.answer-item:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.ai-answer{border-left:4px solid var(--primary-color);background:#ff66000d}.answer-meta{display:flex;gap:1.5rem;margin-top:1rem;font-size:.85em;color:var(--muted-text);padding-top:1rem;border-top:1px solid var(--border-color);flex-wrap:wrap}.ai-badge{background:var(--primary-color);color:#fff;padding:.2em .6em;border-radius:12px;font-size:.8em;font-weight:500}.answer-actions{display:flex;gap:.5rem;margin-left:auto}.edit-button,.delete-button{background:transparent;border:1px solid var(--primary-color);color:var(--primary-color);padding:.2em .6em;border-radius:var(--border-radius-sm);font-size:.8em;font-weight:500;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm)}.edit-button:hover{background:var(--primary-color);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}.delete-button{border-color:var(--danger-color);color:var(--danger-color);box-shadow:var(--shadow-sm)}.delete-button:hover{background:var(--danger-color);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}.question-actions{display:flex;align-items:center;gap:1rem}.question-actions .delete-button{font-size:.7em;padding:.3em .8em}.no-answers{color:var(--muted-text);font-style:italic;margin-bottom:1rem;padding:1rem;background:#fff;border-radius:var(--border-radius);text-align:center;border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.answer-form{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-color);position:relative;z-index:1}.answer-form form{max-width:100%;margin:0;padding:1.5rem;box-shadow:var(--shadow-md);background:#fff;border:1px solid var(--border-color);border-radius:var(--border-radius)}.answer-form form:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--primary-color);border-radius:var(--border-radius) var(--border-radius) 0 0}.search-loading{margin-left:10px;color:var(--primary-color);font-size:.9em;animation:pulse 1.5s ease-in-out infinite}.related-questions{margin-bottom:2rem;padding:1.5rem;background:#fff;border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow-md);position:relative;z-index:1}.related-questions:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--primary-color);border-radius:var(--border-radius) var(--border-radius) 0 0}.related-questions h3{margin-bottom:1rem;color:var(--primary-color)}.related-questions-list{display:flex;flex-direction:column;gap:1rem}.related-question-item{padding:1rem;background:#fff;border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);transition:var(--transition)}.related-question-item h4{margin-bottom:.5rem;font-size:1.1em;color:var(--light-text)}.related-question-item p{margin-bottom:.8rem;font-size:.9em;color:#94a3b8}.relevance-score{font-size:.8em;color:var(--primary-color);margin-left:10px}@media (max-width: 768px){.app{padding:1rem}.qa .header{flex-direction:column;align-items:flex-start;gap:1rem}.user-info{align-self:flex-end}.qa-controls{flex-direction:column}.search-bar{width:100%}.categories{width:100%;justify-content:flex-start}.question-header{flex-direction:column;align-items:flex-start;gap:.5rem}.form-actions{flex-direction:column}.form-actions button{width:100%}}.admin-container{max-width:1200px;margin:0 auto;padding:20px}.admin-container h1{color:var(--light-text);margin-bottom:30px}.admin-controls{display:flex;gap:20px;margin-bottom:30px;flex-wrap:wrap}.filter-section,.search-section{display:flex;align-items:center;gap:10px}.filter-section label{font-weight:700;color:var(--light-text)}.filter-section select{padding:8px 24px 8px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:14px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23666'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:16px 16px;min-width:120px}.search-section{display:flex;align-items:center;gap:10px}.search-section input{padding:8px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:14px;width:300px}.search-btn{padding:8px 16px;background:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius-sm);font-size:14px;cursor:pointer;transition:background .3s ease}.search-btn:hover{background:var(--primary-hover)}.logs-container h2{color:var(--light-text);margin-bottom:20px}.logs-table{border:1px solid var(--border-color);border-radius:var(--border-radius-sm);overflow:hidden;background-color:#fff}.logs-header{display:grid;grid-template-columns:1fr 1fr 1fr 1fr 1fr;background-color:#f5f5f5;font-weight:700;padding:12px 15px;border-bottom:1px solid var(--border-color)}.log-item{display:grid;grid-template-columns:1fr 1fr 1fr 1fr 1fr;padding:12px 15px;border-bottom:1px solid #eee}.log-item:last-child{border-bottom:none}.log-item:nth-child(2n){background-color:#f9f9f9}.log-time,.log-user,.log-action,.log-target,.log-details{padding:0 10px}.log-details pre{background-color:#f5f5f5;padding:10px;border-radius:4px;overflow-x:auto;font-size:12px;margin-top:5px}@media (max-width: 768px){.admin-controls{flex-direction:column;align-items:flex-start}.search-section input{width:100%}.logs-header,.log-item{grid-template-columns:1fr;gap:10px}.logs-header>div,.log-item>div{padding:5px 10px}}