*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}body.light{background-color:#fff;color:#1f1f1f}body.dark{background-color:#050505;color:#fff}body[data-font=sans]{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body[data-font=serif]{font-family:Georgia,Times New Roman,serif}body[data-font=mono]{font-family:Courier New,monospace}.app{max-width:736px;margin:0 auto;padding:24px;min-height:100vh}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:52px}.logo{color:#757575;cursor:pointer}.controls{display:flex;align-items:center;gap:16px}.font-dropdown{position:relative}.font-select-button{display:flex;align-items:center;gap:16px;padding:8px 16px;border:none;background:transparent;color:inherit;font-size:18px;font-weight:700;cursor:pointer;font-family:inherit;transition:color .3s ease}.font-select-button:hover{color:#a445ed}.dropdown-arrow{transition:transform .3s ease}.dropdown-arrow.open{transform:rotate(180deg)}.font-dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:#fff;border-radius:16px;box-shadow:0 5px 30px #0000001a;padding:8px;z-index:100;animation:dropdown-appear .2s ease}body.dark .font-dropdown-menu{background:#1f1f1f;box-shadow:0 5px 30px #a445ed33}@keyframes dropdown-appear{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.font-option{width:100%;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border:none;background:transparent;color:inherit;font-size:18px;font-weight:700;cursor:pointer;border-radius:8px;transition:all .2s ease;text-align:left}.font-option[data-font=sans]{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.font-option[data-font=serif]{font-family:Georgia,Times New Roman,serif}.font-option[data-font=mono]{font-family:Courier New,monospace}.font-option:hover{background:#f4f4f4;color:#a445ed}body.dark .font-option:hover{background:#2d2d2d}.font-option.active{color:#a445ed}.checkmark{font-size:16px;color:#a445ed}.divider-vertical{width:1px;height:32px;background:#e9e9e9}body.dark .divider-vertical{background:#3a3a3a}.theme-toggle{position:relative;display:inline-block;width:40px;height:20px;cursor:pointer}.theme-toggle input{opacity:0;width:0;height:0}.slider{position:absolute;inset:0;background-color:#757575;border-radius:20px;transition:.3s}.slider:before{position:absolute;content:"";height:14px;width:14px;left:3px;bottom:3px;background-color:#fff;border-radius:50%;transition:.3s}.theme-toggle input:checked+.slider{background-color:#a445ed}.theme-toggle input:checked+.slider:before{transform:translate(20px)}.moon-icon{transition:all .3s ease}.search-form{margin-bottom:40px}.search-container{position:relative;display:flex;align-items:center}.audio{background-color:transparent;border:none;box-shadow:none}.how-it-works-section{padding:60px 20px;margin-top:40px;border-top:1px solid #e9e9e9;text-align:center}body.dark .how-it-works-section{border-top-color:#3a3a3a}.works-title{font-size:32px;font-weight:700;color:#a445ed;margin-bottom:40px}.works-steps-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;text-align:left}.work-step{padding:20px;border-radius:12px;background-color:#f9f9f9;box-shadow:0 4px 10px #0000000d;transition:all .3s ease}body.dark .work-step{background-color:#1f1f1f;box-shadow:0 4px 10px #a445ed1a}.work-step:hover{box-shadow:0 6px 15px #a445ed33;transform:translateY(-2px)}.step-number{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background-color:#a445ed;color:#fff;font-weight:700;font-size:18px;margin-bottom:15px}.step-heading{font-size:20px;font-weight:700;margin-bottom:10px;color:inherit}.step-description{font-size:16px;color:#757575;line-height:1.6}body.dark .step-description{color:#a0a0a0}.work-step:last-child{background-color:#a445ed15;text-align:center}body.dark .work-step:last-child{background-color:#a445ed25}.work-step:last-child .step-heading{font-size:22px;margin-bottom:0}.hayol{color:#94bbe9}.work-step:last-child a{color:#a445ed}@media(max-width:768px){.works-title{font-size:24px}.how-it-works-section{padding:40px 16px}.work-step{text-align:center}.step-number{margin:0 auto 15px}}.search-input{width:100%;padding:20px 60px 20px 24px;font-size:20px;font-weight:700;border:none;border-radius:16px;background-color:#f4f4f4;color:#1f1f1f;font-family:inherit;outline:none;transition:all .3s ease}body.dark .search-input{background-color:#1f1f1f;color:#fff}.search-input:focus{outline:1px solid #a445ed;box-shadow:0 0 0 3px #a445ed1a}.search-input::placeholder{color:#1f1f1f40}body.dark .search-input::placeholder{color:#ffffff40}.search-button{position:absolute;right:24px;background:none;border:none;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;transition:opacity .2s ease}.search-button:hover:not(:disabled){opacity:.7}.search-button:disabled{opacity:.3;cursor:not-allowed}.welcome-message{text-align:center;padding:60px 20px;color:#757575}.welcome-message p:first-child{font-size:24px;font-weight:700;margin-bottom:16px}.welcome-message p:last-child{font-size:18px;line-height:1.6}body.dark .welcome-message{color:#a0a0a0}.skeleton-container{padding-top:20px}@keyframes skeleton-loading{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.skeleton-word{height:64px;width:300px;border-radius:8px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite}body.dark .skeleton-word{background:linear-gradient(90deg,#1f1f1f 25%,#2a2a2a,#1f1f1f 75%);background-size:200% 100%}.skeleton-play-btn{width:75px;height:75px;border-radius:50%;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite}body.dark .skeleton-play-btn{background:linear-gradient(90deg,#1f1f1f 25%,#2a2a2a,#1f1f1f 75%);background-size:200% 100%}.skeleton-meaning{margin-bottom:40px}.skeleton-title{height:32px;width:120px;margin-bottom:24px;border-radius:4px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite}body.dark .skeleton-title{background:linear-gradient(90deg,#1f1f1f 25%,#2a2a2a,#1f1f1f 75%);background-size:200% 100%}.skeleton-line{height:20px;width:100%;margin-bottom:16px;border-radius:4px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite}body.dark .skeleton-line{background:linear-gradient(90deg,#1f1f1f 25%,#2a2a2a,#1f1f1f 75%);background-size:200% 100%}.skeleton-line.short{width:70%}.error{text-align:center;padding:60px 20px}.error-emoji{font-size:64px;margin-bottom:24px}.error h2{font-size:24px;margin-bottom:16px}.error p{font-size:18px;color:#757575}body.dark .error p{color:#a0a0a0}.word-display{padding-top:20px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.word-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.word-info{flex:1}.word{font-size:64px;font-weight:700;margin-bottom:8px;line-height:1.2;word-break:break-word}.phonetic{font-size:24px;color:#a445ed;margin:0}.play-button{width:75px;height:75px;border-radius:50%;background-color:#a445ed;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;flex-shrink:0}.play-button:hover{background-color:#8338c9;transform:scale(1.05)}.play-button:active{transform:scale(.95)}.play-button.playing{opacity:.7;animation:pulse 1s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.meaning-section{margin-bottom:40px}.part-of-speech-container{display:flex;align-items:center;gap:20px;margin-bottom:32px}.part-of-speech{font-size:24px;font-weight:700;font-style:italic;white-space:nowrap}.divider{flex:1;height:1px;background-color:#e9e9e9}body.dark .divider{background-color:#3a3a3a}.meaning-content{margin-bottom:32px}.section-title{font-size:20px;color:#757575;margin-bottom:24px;font-weight:400}.definitions-list{list-style:none;padding-left:0}.definition-item{position:relative;padding-left:24px;margin-bottom:16px}.definition-item:before{content:"";position:absolute;left:0;top:12px;width:5px;height:5px;border-radius:50%;background-color:#a445ed}.definition{font-size:18px;line-height:1.5;margin-bottom:8px}.example{font-size:18px;color:#757575;margin-top:8px;line-height:1.5}.synonyms{display:flex;gap:24px;align-items:baseline;margin-top:32px;flex-wrap:wrap}.synonyms-list{display:flex;flex-wrap:wrap;gap:12px}.synonym{color:#a445ed;font-size:20px;font-weight:700;cursor:pointer;background:none;border:none;padding:4px 8px;border-radius:4px;transition:all .2s ease;font-family:inherit}.synonym:hover{background:#a445ed1a;text-decoration:underline}.synonym:active{transform:scale(.95)}.source{padding-top:24px;margin-top:24px;border-top:1px solid #e9e9e9;display:flex;gap:16px;align-items:center;flex-wrap:wrap}body.dark .source{border-top-color:#3a3a3a}.source-label{font-size:14px;color:#757575;text-decoration:underline}.source-link{font-size:14px;color:inherit;display:flex;align-items:center;gap:8px;word-break:break-all;text-decoration:none;transition:color .2s ease}.source-link:hover{color:#a445ed;text-decoration:underline}@media(max-width:768px){.app{padding:16px}.header{margin-bottom:32px}.word{font-size:48px}.phonetic{font-size:20px}.play-button{width:60px;height:60px}.font-select-button{font-size:16px}.search-input{font-size:18px;padding:16px 50px 16px 20px}}