:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--text-primary: #212529;--text-secondary: #6c757d;--border-color: #dee2e6;--accent-primary: #007bff;--accent-secondary: #6c757d;--error-color: #dc3545;--success-color: #28a745;--tw-bg-opacity: #3286e7;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1)}.bg-indigo-600{background-color:#3286e7!important}@media(min-width:640px){.sm\:text-5xl{line-height:4rem!important}}.focus\:ring-indigo-500:focus{--tw-ring-color: #3286e7!important}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--text-primary: #ffffff;--text-secondary: #b3b3b3;--border-color: #404040;--accent-primary: #4dabf7;--accent-secondary: #868e96}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color .3s ease,color .3s ease}.app-container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg);min-height:100vh}.app-header{text-align:center;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border-color)}.app-title{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-sm);color:var(--accent-primary)}.app-subtitle{font-size:1.1rem;color:var(--text-secondary)}.controls-section{display:flex;gap:var(--spacing-md);justify-content:center;align-items:center;margin-bottom:var(--spacing-xl);flex-wrap:wrap}.language-selector,.theme-switcher{display:flex;align-items:center;gap:var(--spacing-sm)}.search-section{margin-bottom:var(--spacing-xl)}.search-container{position:relative;max-width:500px;margin:0 auto}.search-input{width:100%;padding:var(--spacing-md);font-size:1.1rem;border:2px solid var(--border-color);border-radius:var(--radius-lg);background-color:var(--bg-primary);color:var(--text-primary);transition:border-color .3s ease,box-shadow .3s ease}.search-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #007bff1a}.search-button{position:absolute;right:var(--spacing-xs);top:50%;transform:translateY(-50%);background:var(--accent-primary);color:#fff;border:none;padding:var(--spacing-sm);border-radius:var(--radius-sm);cursor:pointer;transition:background-color .3s ease}.search-button:hover{background:#0056b3}.results-section{margin-top:var(--spacing-xl)}.word-of-day{text-align:center;margin-bottom:var(--spacing-lg);padding:var(--spacing-lg);background-color:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color)}.word-of-day h3{margin-bottom:var(--spacing-sm);color:var(--accent-primary)}.definition-preview{font-style:italic;color:var(--text-secondary)}.result-container{background-color:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.result-header{display:flex;justify-content:between;align-items:center;margin-bottom:var(--spacing-md);flex-wrap:wrap;gap:var(--spacing-sm)}.word-title{font-size:1.5rem;font-weight:600;color:var(--accent-primary)}.phonetic{color:var(--text-secondary);font-style:italic}.audio-button{background:var(--accent-secondary);color:#fff;border:none;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;transition:background-color .3s ease}.audio-button:hover{background:#5a6268}.meaning{margin-bottom:var(--spacing-lg)}.meaning:last-child{margin-bottom:0}.part-of-speech{font-weight:600;color:var(--accent-primary);margin-bottom:var(--spacing-sm);text-transform:capitalize}.definition-item{margin-bottom:var(--spacing-sm);padding-left:var(--spacing-md);border-left:3px solid var(--border-primary)}.definition-text{margin-bottom:var(--spacing-xs);line-height:1.5}.definition-example{font-style:italic;color:var(--text-secondary);font-size:.9rem}.synonyms-antonyms{display:flex;gap:var(--spacing-lg);margin-top:var(--spacing-sm);font-size:.9rem}.synonyms-list,.antonyms-list{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.synonyms-list span,.antonyms-list span{background-color:var(--bg-primary);color:var(--text-secondary);padding:2px var(--spacing-xs);border-radius:var(--radius-sm);border:1px solid var(--border-color)}.loading-container{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary)}.error-container{text-align:center;padding:var(--spacing-lg);color:var(--error-color);background-color:#dc35451a;border-radius:var(--radius-md);border:1px solid rgba(220,53,69,.2)}@media(max-width:768px){.app-container{padding:var(--spacing-md)}.app-title{font-size:2rem}.controls-section{flex-direction:column;align-items:stretch}.search-container{max-width:100%}.result-header{flex-direction:column;align-items:flex-start}.synonyms-antonyms{flex-direction:column;gap:var(--spacing-sm)}}@media(max-width:480px){.app-title{font-size:1.5rem}.search-input{font-size:1rem;padding:var(--spacing-sm)}.definition-item{padding-left:var(--spacing-sm)}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.mt-0{margin-top:0}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}.d-none{display:none}.d-block{display:block}.d-flex{display:flex}.fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.pulse{animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.language-selector{position:relative;display:inline-flex;align-items:center;gap:var(--spacing-sm)}.language-label{font-weight:500;color:var(--text-secondary)}.language-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) var(--spacing-sm);color:var(--text-primary);font-size:.9rem;cursor:pointer;transition:border-color .3s ease,box-shadow .3s ease;min-width:140px}.language-select:hover{border-color:var(--accent-primary)}.language-selector-arrow{position:absolute;right:var(--spacing-sm);pointer-events:none;color:var(--text-secondary)}.language-selector-small{position:relative}.language-dropdown{position:relative;display:inline-block}.language-dropdown-toggle{display:flex;align-items:center;gap:var(--spacing-xs);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-xs) var(--spacing-sm);color:var(--text-primary);font-size:.8rem;cursor:pointer;transition:border-color .3s ease,background-color .3s ease}.language-dropdown-toggle:hover{border-color:var(--accent-primary)}.language-flag{font-size:1rem}.language-code,.language-code-small{font-weight:500;opacity:.8}.language-dropdown-menu{position:absolute;top:100%;right:0;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-md);min-width:160px;z-index:1000;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .2s ease,transform .2s ease,visibility .2s}.language-dropdown:hover .language-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.language-dropdown-item{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-sm);background:none;border:none;color:var(--text-primary);text-align:left;cursor:pointer;transition:background-color .2s ease}.language-dropdown-item:hover{background-color:var(--bg-secondary)}.language-dropdown-item.active{background-color:var(--accent-primary);color:#fff}.language-name{flex:1;font-size:.9rem}img.es{mix-blend-mode:darken}#footer{margin-top:80px;border-top:2px solid #868e96;padding:20px}#footer a img{width:150px;height:51px;filter:invert(1) grayscale(1)}.dark img.es{filter:invert(1);mix-blend-mode:lighten}.dark #footer a img{filter:invert(0) grayscale(0)}