*{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{margin:0;padding:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}#root{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366F1;--primary-hover: #4F46E5;--primary-light: #818CF8;--secondary-color: #14B8A6;--secondary-hover: #0D9488;--accent-color: #F59E0B;--danger-color: #EF4444;--danger-hover: #DC2626;--success-color: #10B981;--text-dark: #1F2937;--text-medium: #374151;--text-light: #6B7280;--border-color: #E5E7EB;--border-light: #F3F4F6;--bg-light: #F9FAFB;--bg-white: #FFFFFF;--bg-gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);--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);--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 24px}.app{height:100vh;width:100vw;background:linear-gradient(135deg,#f5f7fa,#e9ecf5);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-dark);line-height:1.6;position:relative;display:flex;flex-direction:column;overflow:hidden}.app:before{content:"";position:fixed;top:0;left:0;right:0;height:400px;background:var(--bg-gradient);opacity:.1;z-index:0;pointer-events:none}.container{flex:1;width:100vw;margin:0;padding:0;position:relative;z-index:1;display:flex;flex-direction:column;align-items:stretch;justify-content:stretch;transition:all .3s ease;overflow:hidden}.container.with-sidebar{width:calc(100vw - 280px);margin-left:280px}.header{background:var(--bg-gradient);color:#fff;padding:16px 20px;border-radius:var(--radius-lg);margin-bottom:16px;box-shadow:var(--shadow-xl);position:relative;overflow:visible;width:100%;flex-shrink:0}.header:before{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:#ffffff1a;border-radius:50%;filter:blur(60px)}.header-content{display:flex;justify-content:space-between;align-items:center;gap:32px;position:relative}.header h1{font-size:clamp(1.75rem,5vw,2.5rem);margin:0;font-weight:800;letter-spacing:-.02em;position:relative}.word-sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;background:#fff;border-right:2px solid var(--border-light);box-shadow:var(--shadow-lg);z-index:900;display:flex;flex-direction:column;transition:transform .3s ease}.word-sidebar.hidden{transform:translate(-100%)}.sidebar-toggle-btn{position:absolute;right:-40px;top:50%;transform:translateY(-50%);width:40px;height:80px;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff;border:none;border-radius:0 var(--radius-md) var(--radius-md) 0;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:all .3s ease;box-shadow:var(--shadow-lg);z-index:901;-webkit-tap-highlight-color:transparent}.sidebar-toggle-btn:hover{background:linear-gradient(135deg,var(--primary-hover) 0%,var(--primary-color) 100%);transform:translateY(-50%) translate(2px);box-shadow:var(--shadow-xl)}.sidebar-toggle-btn:active{transform:translateY(-50%) scale(.95)}.sidebar-header{padding:20px;background:var(--bg-gradient);color:#fff;border-bottom:2px solid rgba(255,255,255,.2);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px}.sidebar-header h3{margin:0;font-size:1.25rem;font-weight:700;flex:1}.sidebar-add-btn{background:#fff;color:var(--primary-color);border:none;width:36px;height:36px;border-radius:50%;font-size:1.5rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:var(--shadow-md);flex-shrink:0;line-height:0;padding:0 0 2px;margin:0;vertical-align:middle;-webkit-tap-highlight-color:transparent}.sidebar-add-btn:hover{transform:scale(1.1);box-shadow:var(--shadow-lg)}.sidebar-add-btn:active{transform:scale(.95)}.sidebar-filter{display:flex;gap:6px;padding:8px 12px;background:var(--bg-light);border-bottom:2px solid var(--border-light);flex-wrap:wrap;flex-shrink:0}.filter-chip{padding:6px 12px;border:2px solid var(--border-color);background:#fff;border-radius:16px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s ease;color:var(--text-medium);-webkit-tap-highlight-color:transparent;display:flex;align-items:center;justify-content:center;min-width:40px}.filter-chip:hover{background:var(--bg-light);border-color:var(--primary-light);transform:translateY(-2px)}.filter-chip:active{transform:scale(.95)}.filter-chip.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:var(--shadow-sm)}.filter-chip-new.active{background:#9ca3af;border-color:#9ca3af}.filter-chip-easy.active{background:#10b981;border-color:#10b981}.filter-chip-medium.active{background:#f59e0b;border-color:#f59e0b}.filter-chip-hard.active{background:#ef4444;border-color:#ef4444}.sidebar-list{flex:1;overflow-y:auto;overflow-x:hidden;padding:8px;-webkit-overflow-scrolling:touch}.sidebar-item{width:100%;display:flex;align-items:center;gap:12px;padding:12px;border:none;background:var(--bg-light);border-radius:var(--radius-md);margin-bottom:6px;cursor:pointer;transition:all .2s ease;text-align:left}.sidebar-item:hover{background:#6366f11a;transform:translate(4px)}.sidebar-item.active{background:var(--primary-color);color:#fff;box-shadow:var(--shadow-md)}.sidebar-number{font-size:.9rem;font-weight:700;min-width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#fff;color:var(--primary-color);border-radius:50%;flex-shrink:0}.sidebar-item.active .sidebar-number{background:#fff;color:var(--primary-color)}.sidebar-word{font-size:1rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.sidebar-item.active .sidebar-word{color:#fff}.sidebar-item.flagged{border-left:4px solid #f59e0b;background:linear-gradient(90deg,rgba(245,158,11,.15) 0%,var(--bg-light) 100%)}.sidebar-item.flagged.active{border-left:4px solid #fbbf24;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.sidebar-rating{font-size:1.1rem;flex-shrink:0;margin-left:8px;display:flex;align-items:center;justify-content:center}.btn-add{background:#fff;color:var(--primary-color);font-weight:700;white-space:nowrap}.btn-add:hover:not(:disabled){background:#fff;color:var(--primary-hover);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.header .message{margin-top:20px}section{background:var(--bg-white);padding:16px;border-radius:var(--radius-lg);margin-bottom:12px;box-shadow:var(--shadow-md);border:1px solid var(--border-light);transition:all .3s ease}section:hover{box-shadow:var(--shadow-lg)}section h2{font-size:clamp(1.4rem,4vw,1.75rem);margin-bottom:24px;color:var(--text-dark);font-weight:800;letter-spacing:-.01em}input[type=text],.search-input,textarea{width:100%;padding:14px 18px;border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;transition:all .3s ease;font-family:inherit;background:var(--bg-white);font-weight:500}input[type=text]:hover,.search-input:hover,textarea:hover{border-color:var(--primary-light)}input[type=text]:focus,.search-input:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px #6366f11a;transform:translateY(-1px)}input[type=text]:disabled,textarea:disabled{background:var(--bg-light);cursor:not-allowed;opacity:.7}textarea{resize:vertical;min-height:100px}.btn{padding:14px 28px;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;-webkit-tap-highlight-color:transparent;letter-spacing:.01em;box-shadow:var(--shadow-sm)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn:active:not(:disabled){transform:scale(.97)}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-secondary{background:linear-gradient(135deg,var(--secondary-color) 0%,var(--secondary-hover) 100%);color:#fff}.btn-secondary:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-danger{background:linear-gradient(135deg,var(--danger-color) 0%,var(--danger-hover) 100%);color:#fff}.btn-danger:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-small{padding:10px 20px;font-size:.9rem}.toast{position:fixed;bottom:32px;right:32px;display:flex;align-items:center;gap:12px;padding:16px 24px;border-radius:var(--radius-lg);font-size:1rem;font-weight:600;box-shadow:var(--shadow-xl);animation:slideInRight .3s ease,fadeOut .3s ease 4.7s forwards;z-index:2000;max-width:400px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@keyframes slideInRight{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}@keyframes fadeOut{to{opacity:0;transform:translate(100px)}}.toast-icon{font-size:1.5rem;font-weight:700;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;flex-shrink:0}.toast-content{flex:1;line-height:1.5}.toast-success{background:linear-gradient(135deg,#d1fae5fa,#a7f3d0fa);color:#065f46;border:2px solid #6EE7B7}.toast-success .toast-icon{background:#10b981;color:#fff}.toast-error{background:linear-gradient(135deg,#fee2e2fa,#fecacafa);color:#991b1b;border:2px solid #FCA5A5}.toast-error .toast-icon{background:#ef4444;color:#fff}.toast-info{background:linear-gradient(135deg,#dbeafefa,#bfdbfefa);color:#1e40af;border:2px solid #93C5FD}.toast-info .toast-icon{background:#3b82f6;color:#fff}.section-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;gap:16px}.section-header h2{margin:0}.controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.search-input{width:250px;max-width:100%}.loading-spinner{text-align:center;padding:60px 20px}.spinner{border:4px solid var(--border-color);border-top:4px solid var(--primary-color);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin:0 auto 16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-light);display:flex;align-items:center;justify-content:center;min-height:500px}.empty-state-content{max-width:600px;width:100%}.empty-state-icon{font-size:6rem;margin-bottom:24px;opacity:.8;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.empty-state-title{font-size:clamp(1.75rem,5vw,2.5rem);font-weight:800;background:var(--bg-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;letter-spacing:-.02em}.empty-state-description{font-size:clamp(1rem,3vw,1.2rem);margin-bottom:56px;color:var(--text-medium);font-weight:500;line-height:1.6}.empty-state-btn{margin-top:8px;margin-bottom:56px;box-shadow:var(--shadow-xl)}.empty-state-btn .btn-icon{font-size:1.3rem;margin-right:8px}.empty-state-features{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;padding-top:24px;border-top:2px solid var(--border-light)}.feature-item{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:120px}.feature-icon{font-size:2rem;filter:grayscale(.3)}.feature-text{font-size:.9rem;color:var(--text-light);font-weight:600}.empty-state p{font-size:1.1rem;margin-bottom:8px;color:var(--text-medium);font-weight:500}.empty-state .hint{font-size:.95rem;color:var(--text-light);font-weight:400}.word-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:20px}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#00000080;padding:16px;overflow-y:auto}.modal.show{display:flex;align-items:center;justify-content:center;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-white);padding:clamp(32px,5vw,48px);border-radius:var(--radius-xl);max-width:650px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:slideUp .3s;margin:auto;box-shadow:var(--shadow-xl);border:1px solid var(--border-light)}.modal-content.word-list-modal{overflow:hidden}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.close-modal{position:absolute;top:16px;right:20px;font-size:2rem;font-weight:700;color:var(--text-light);cursor:pointer;line-height:1;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s;-webkit-tap-highlight-color:transparent}.close-modal:hover{color:var(--text-dark);background:var(--bg-light)}.modal-word-title{font-size:clamp(2rem,6vw,2.5rem);color:var(--primary-color);margin-bottom:10px;font-weight:700;word-break:break-word;padding-right:40px}.modal-word-phonetic{font-size:clamp(1rem,3vw,1.1rem);color:var(--text-light);font-style:italic;margin-bottom:8px}.modal-word-translation{font-size:clamp(1.1rem,3vw,1.2rem);color:var(--text-light);margin-bottom:24px}.audio-player{margin:24px 0}.audio-btn{background:linear-gradient(135deg,var(--secondary-color) 0%,#059669 100%);color:#fff;border:none;padding:14px 28px;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:all .2s;-webkit-tap-highlight-color:transparent;box-shadow:var(--shadow-md)}.audio-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:var(--shadow-lg)}.audio-btn:active:not(:disabled){transform:scale(.98)}.audio-btn:disabled{opacity:.7;cursor:not-allowed}.audio-btn:before{content:"▶";font-size:1.2rem}.modal-section{margin:24px 0}.modal-section h3{font-size:1.2rem;color:var(--text-dark);margin-bottom:12px;border-bottom:2px solid var(--border-color);padding-bottom:8px;font-weight:700}.modal-section p{color:var(--text-dark);line-height:1.6;font-size:1rem}.synonym-tag{display:inline-block;background:var(--bg-light);color:var(--text-dark);padding:6px 14px;border-radius:16px;font-size:.9rem;margin:4px;transition:all .2s}.add-word-modal{max-width:500px}.add-word-modal h2{font-size:2rem;margin-bottom:12px;background:var(--bg-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center}.modal-subtitle{text-align:center;color:var(--text-light);font-size:1rem;margin-bottom:32px;line-height:1.6}.add-word-modal-form{display:flex;flex-direction:column;gap:20px}.add-word-modal-input{width:100%;padding:16px 20px;border:3px solid var(--border-color);border-radius:var(--radius-md);font-size:1.1rem;transition:all .3s ease;font-family:inherit;background:var(--bg-white);font-weight:600;text-align:center}.add-word-modal-input:hover{border-color:var(--primary-light)}.add-word-modal-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px #6366f11a;transform:translateY(-1px)}.add-word-modal-input:disabled{opacity:.7;cursor:not-allowed;background:var(--bg-light)}.add-word-modal-input::placeholder{color:var(--text-light);font-weight:500}.add-word-modal-textarea{width:100%;padding:16px 20px;border:3px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;transition:all .3s ease;font-family:inherit;background:var(--bg-white);font-weight:500;resize:vertical;min-height:150px}.add-word-modal-textarea:hover{border-color:var(--primary-light)}.add-word-modal-textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px #6366f11a;transform:translateY(-1px)}.add-word-modal-textarea:disabled{opacity:.7;cursor:not-allowed;background:var(--bg-light)}.add-word-modal-textarea::placeholder{color:var(--text-light);font-weight:400}.batch-toggle{display:flex;gap:8px;margin-bottom:20px;background:var(--bg-light);padding:4px;border-radius:var(--radius-md)}.toggle-btn{flex:1;padding:10px 20px;border:none;background:transparent;color:var(--text-medium);font-size:.95rem;font-weight:600;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease}.toggle-btn:hover:not(:disabled){background:#6366f11a;color:var(--primary-color)}.toggle-btn.active{background:#fff;color:var(--primary-color);box-shadow:var(--shadow-sm)}.toggle-btn:disabled{opacity:.5;cursor:not-allowed}.btn-large{padding:16px 32px;font-size:1.1rem}.word-list-modal{max-width:700px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.word-list-container{flex:1;overflow-y:auto;overflow-x:hidden;margin-top:20px;padding:4px;min-height:0;-webkit-overflow-scrolling:touch}.word-list-empty{text-align:center;padding:40px 20px;color:var(--text-light)}.word-list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.word-list-item{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--bg-light);border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;text-align:left;-webkit-tap-highlight-color:transparent}.word-list-item:hover{background:#fff;border-color:var(--primary-color);box-shadow:var(--shadow-md);transform:translateY(-2px)}.word-list-item:active{transform:scale(.98)}.word-list-item-content{flex:1;min-width:0}.word-list-word{font-size:1.1rem;font-weight:700;color:var(--text-dark);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.word-list-arabic{font-size:1rem;color:var(--primary-color);font-weight:600;direction:rtl}.word-list-pos{padding:4px 10px;background:var(--primary-color);color:#fff;border-radius:12px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;margin-left:12px}.confirm-delete-modal{max-width:450px}.confirm-delete-header{display:flex;flex-direction:column;align-items:center;margin-bottom:24px}.warning-icon{font-size:4rem;margin-bottom:16px;animation:pulse 2s infinite}.confirm-delete-header h2{font-size:1.8rem;margin:0;color:var(--danger-color);font-weight:800}.confirm-delete-message{text-align:center;color:var(--text-medium);font-size:1rem;line-height:1.6;margin-bottom:32px}.confirm-delete-message strong{color:var(--text-dark);font-weight:700}.confirm-delete-actions{display:flex;gap:12px;justify-content:center}.confirm-delete-actions .btn{flex:1;max-width:150px}@media(max-width:768px){.word-sidebar{display:none}.container,.container.with-sidebar{padding:10px 8px;margin-left:0;margin-right:0}.header{padding:12px 16px;margin-bottom:12px}.header-content{flex-direction:column;align-items:stretch;gap:16px}.header h1{text-align:center}.btn-add{width:100%}.add-word-modal{max-width:100%}.add-word-modal h2{font-size:1.6rem}.modal-subtitle{font-size:.9rem;margin-bottom:24px}.word-list-modal{max-height:85vh;margin:20px}.word-list-grid{grid-template-columns:1fr}.score-circle{width:150px;height:150px}.score-number{font-size:3rem}.score-total{font-size:1.2rem}section{padding:20px;margin-bottom:16px}.section-header{flex-direction:column;align-items:stretch;gap:12px}.controls{flex-direction:column;align-items:stretch}.search-input{width:100%}.word-list{grid-template-columns:1fr;gap:16px}.word-card{padding:16px}.modal{padding:8px;align-items:flex-start}.modal-content{padding:24px 20px;margin-top:20px}.empty-state{min-height:400px;padding:40px 16px}.empty-state-icon{font-size:4.5rem}.empty-state-features{gap:20px}.feature-item{min-width:100px}.feature-icon{font-size:1.5rem}.feature-text{font-size:.8rem}}@media(min-width:769px)and (max-width:1366px)and (pointer:coarse){.word-list{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.word-rating-section{position:static;transform:none;margin:12px auto 0}.rating-buttons{flex-direction:row;gap:10px;justify-content:center}.rating-btn{width:90px;padding:10px 16px}.rating-icon{font-size:1.8rem}.rating-text{font-size:.85rem}.word-display{padding:8px 28px 100px;gap:8px}.word-main{padding:16px 40px}.word-title-large{font-size:clamp(2rem,6vw,2.8rem)}.word-phonetic-large{font-size:clamp(1.3rem,3.5vw,1.7rem)}.word-arabic{font-size:clamp(1.3rem,4vw,1.6rem)}.word-details{gap:8px}.word-definition-large,.word-example-large,.word-synonyms-large{padding:12px 16px}.word-definition-large p,.word-example-large p,.word-synonyms-large p{font-size:clamp(1.15rem,3.5vw,1.3rem)}.word-definition-large strong,.word-example-large strong,.word-synonyms-large strong{font-size:clamp(1rem,3vw,1.15rem);margin-bottom:4px}.delete-word-btn,.flag-word-btn{width:44px;height:44px;font-size:1.3rem}.word-nav-btn{padding:10px 24px;font-size:.95rem;min-width:110px}.word-nav-buttons{gap:12px}.word-bottom-controls{padding:12px 16px}.word-pos-badge{padding:5px 14px;font-size:.75rem}.word-counter{top:10px;left:10px;font-size:.75rem;padding:4px 11px}}@media(hover:none)and (pointer:coarse){.btn,.icon-btn,.word-card{touch-action:manipulation}.word-main,.word-example-large,.word-display-container,.rating-btn,.word-nav-btn,.sidebar-item,.filter-chip,.synonym-link,.delete-word-btn,.flag-word-btn{touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.icon-btn{width:44px;height:44px;min-width:44px}.close-modal{width:44px;height:44px}}.single-word-section{flex:1;width:100%;display:flex;align-items:stretch;justify-content:center;min-height:0;overflow:hidden;border-radius:0;margin-bottom:0}.word-display-container{display:flex;align-items:stretch;justify-content:center;width:100%;max-width:100%;height:100%;margin:0}.word-display{width:100%;text-align:center;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:8px;overflow-y:auto;overflow-x:hidden;min-height:0;padding:8px 32px 100px;scrollbar-gutter:stable}.word-action-buttons{position:fixed;top:20px;right:20px;display:flex;gap:12px;z-index:1000}.delete-word-btn,.flag-word-btn{width:50px;height:50px;border-radius:50%;color:#fff;border:none;font-size:1.5rem;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.delete-word-btn{background:linear-gradient(135deg,#ef4444,#dc2626)}.delete-word-btn:hover{transform:scale(1.1) rotate(10deg);box-shadow:0 8px 24px #ef444466}.delete-word-btn:active{transform:scale(.95)}.flag-word-btn{background:linear-gradient(135deg,#6b7280,#4b5563)}.flag-word-btn.flagged{background:linear-gradient(135deg,#f59e0b,#d97706)}.flag-word-btn:hover{transform:scale(1.1) rotate(-10deg);box-shadow:0 8px 24px #6b728066}.flag-word-btn.flagged:hover{box-shadow:0 8px 24px #f59e0b66}.flag-word-btn:active{transform:scale(.95)}.word-main{width:100%;max-width:800px;cursor:pointer;transition:all .2s ease;padding:20px 50px;border-radius:var(--radius-lg);position:relative;display:flex;flex-direction:column;align-items:center;background:var(--bg-light)}.word-main:hover{transform:scale(1.02);background:#6366f10d}.word-main:active{transform:scale(.98)}.word-title-large{font-size:clamp(2.2rem,6.5vw,3.5rem);font-weight:900;background:var(--bg-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0;letter-spacing:-.02em;line-height:1.2;padding:.1em 0;display:inline-block}.playing-indicator{position:absolute;top:10px;right:10px;font-size:1.5rem;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.1)}}.word-phonetic-large{font-size:clamp(1.5rem,4vw,2rem);color:var(--text-medium);font-style:italic;margin:6px 0 4px;font-weight:500}.word-arabic{font-size:clamp(1.5rem,5vw,1.8rem);color:var(--primary-color);margin:6px 0 0;font-weight:600;direction:rtl}.word-pos-container{position:absolute;top:12px;right:12px;margin:0;flex-shrink:0}.word-pos-badge{display:inline-block;padding:6px 16px;border-radius:50px;font-size:clamp(.7rem,1.8vw,.85rem);font-weight:800;text-transform:uppercase;letter-spacing:.1em;box-shadow:var(--shadow-md);color:#fff}.word-pos-badge.noun{background:linear-gradient(135deg,#3b82f6,#2563eb)}.word-pos-badge.verb{background:linear-gradient(135deg,#10b981,#059669)}.word-pos-badge.adjective{background:linear-gradient(135deg,#f59e0b,#ea580c)}.word-pos-badge.adverb{background:linear-gradient(135deg,#a855f7,#9333ea)}.word-pos-badge.pronoun{background:linear-gradient(135deg,#ec4899,#db2777)}.word-pos-badge.preposition{background:linear-gradient(135deg,#06b6d4,#0891b2)}.word-pos-badge.conjunction{background:linear-gradient(135deg,#ef4444,#dc2626)}.word-pos-badge.interjection{background:linear-gradient(135deg,#f97316,#ea580c)}.word-details{margin:0;text-align:left;display:flex;flex-direction:column;align-items:stretch;gap:8px;flex:1;min-height:0;width:100%;max-width:800px}.word-definition-large,.word-example-large,.word-synonyms-large{margin-bottom:0;padding:12px 16px;background:var(--bg-light);border-radius:var(--radius-lg);border-left:4px solid var(--primary-color);display:flex;flex-direction:column;justify-content:center}.word-definition-large strong,.word-example-large strong,.word-synonyms-large strong{display:block;font-size:clamp(1rem,3.5vw,1.15rem);color:var(--text-dark);margin-bottom:6px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.word-definition-large p,.word-example-large p,.word-synonyms-large p{font-size:clamp(1.2rem,3.5vw,1.35rem);color:var(--text-medium);line-height:1.5;margin:0;font-weight:400}.synonyms-list{display:inline;font-size:clamp(1.2rem,3.5vw,1.35rem);color:var(--text-medium);line-height:1.5}.synonym-link{background:none;border:none;color:var(--primary-color);font-size:inherit;font-weight:600;cursor:pointer;padding:0;text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px;transition:all .2s ease;font-family:inherit}.synonym-link:hover{color:var(--primary-hover);text-decoration-style:solid;transform:translateY(-1px)}.synonym-link:active{transform:translateY(0)}.synonym-link:focus{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:2px}.word-example-large p strong{font-weight:700;text-transform:none;display:inline;font-size:inherit;letter-spacing:normal}.word-counter{position:absolute;top:12px;left:12px;font-size:clamp(.9rem,2vw,1.1rem);color:var(--text-medium);font-weight:700;flex-shrink:0;background:#ffffffe6;padding:6px 14px;border-radius:50px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.word-rating-section{position:fixed;right:40px;top:50%;transform:translateY(-50%);z-index:900}.rating-buttons{display:flex;flex-direction:column;gap:12px;justify-content:center;align-items:center}.rating-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 20px;border:3px solid var(--border-color);background:var(--bg-white);border-radius:var(--radius-lg);cursor:pointer;transition:all .3s ease;width:100px;-webkit-tap-highlight-color:transparent;box-shadow:var(--shadow-sm)}.rating-btn:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.rating-btn:active{transform:translateY(-2px) scale(.98)}.rating-icon{font-size:2rem;line-height:1}.rating-text{font-size:.9rem;font-weight:700;color:var(--text-medium)}.rating-btn.active{transform:translateY(-2px);box-shadow:var(--shadow-md)}.rating-btn-new.active{border-color:#9ca3af;background:linear-gradient(135deg,#f3f4f6,#e5e7eb)}.rating-btn-new.active .rating-text{color:#374151}.rating-btn-hard.active{border-color:#ef4444;background:linear-gradient(135deg,#fee2e2,#fecaca)}.rating-btn-hard.active .rating-text{color:#991b1b}.rating-btn-medium.active{border-color:#f59e0b;background:linear-gradient(135deg,#fef3c7,#fde68a)}.rating-btn-medium.active .rating-text{color:#92400e}.rating-btn-easy.active{border-color:#10b981;background:linear-gradient(135deg,#d1fae5,#a7f3d0)}.rating-btn-easy.active .rating-text{color:#065f46}.word-bottom-controls{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;align-items:center;padding:16px 20px;background:#fff;border-top:2px solid var(--border-color);box-shadow:0 -4px 12px #0000001a;z-index:850;transition:left .3s ease}.container.with-sidebar .word-bottom-controls{left:280px}.word-nav-buttons{display:flex;gap:24px;justify-content:center;align-items:center;margin:0 auto}.word-nav-btn{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff;border:none;padding:12px 28px;border-radius:var(--radius-md);font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-md);-webkit-tap-highlight-color:transparent;white-space:nowrap;min-width:120px}.word-nav-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.word-nav-btn:active{transform:scale(.97)}.word-nav-btn-random{background:linear-gradient(135deg,var(--accent-color) 0%,#EA580C 100%)}.word-delete-btn-bottom{position:absolute;right:0;top:16px;background:linear-gradient(135deg,var(--danger-color) 0%,var(--danger-hover) 100%);color:#fff;border:none;padding:10px 24px;border-radius:var(--radius-md);font-size:.95rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-md);-webkit-tap-highlight-color:transparent;flex-shrink:0}.word-delete-btn-bottom:hover{transform:translateY(-2px) scale(1.05);box-shadow:var(--shadow-lg)}.word-delete-btn-bottom:active{transform:scale(.97)}@media(max-width:768px){.word-display{gap:8px;padding:8px 16px 100px}.delete-word-btn{top:16px;right:16px}.word-main{padding:10px 16px}.word-pos-container{top:8px;right:8px}.word-pos-badge{padding:4px 12px;font-size:.65rem}.word-counter{top:8px;left:8px;font-size:.7rem;padding:3px 10px}.word-details{gap:8px}.word-definition-large,.word-example-large,.word-synonyms-large,.word-bottom-controls{padding:12px 16px}.word-nav-buttons{gap:16px}.word-nav-btn{padding:10px 20px;font-size:.9rem}.word-delete-btn-bottom{padding:8px 20px;font-size:.85rem}.word-rating-section{right:16px}.rating-buttons{gap:8px}.rating-btn{width:80px;padding:10px 14px}.rating-icon{font-size:1.6rem}.rating-text{font-size:.8rem}}@media(max-width:480px){.word-display{gap:6px;padding:8px 12px 100px}.word-main{padding:8px 14px}.word-definition-large,.word-example-large,.word-synonyms-large{padding:10px 14px}.word-bottom-controls{flex-direction:column;padding:10px 12px}.word-nav-buttons{flex-direction:column;gap:10px;width:100%}.word-nav-btn{width:100%;padding:12px 20px;font-size:.95rem}.toast{bottom:16px;right:16px;left:16px;max-width:none;padding:14px 18px;font-size:.9rem}.toast-icon{width:28px;height:28px;font-size:1.3rem}}.word-display{justify-content:flex-start;gap:clamp(12px,2vh,22px);padding:84px clamp(20px,5vw,64px) 0}.simple-topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:16px clamp(16px,4vw,32px);z-index:10}.simple-progress{font-size:clamp(1rem,2.2vw,1.3rem);font-weight:700;color:var(--text-light);background:var(--bg-light);padding:8px 18px;border-radius:999px}.simple-menu-btn{font-size:clamp(1.05rem,2.4vw,1.4rem);font-weight:700;color:#fff;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));border:none;border-radius:var(--radius-md);padding:12px 24px;min-height:56px;cursor:pointer;box-shadow:var(--shadow-md);-webkit-tap-highlight-color:transparent}.simple-menu-btn:active{transform:scale(.97)}.simple-word-block{display:flex;flex-direction:column;align-items:center;gap:clamp(8px,1.6vh,18px)}.simple-word{font-size:clamp(2.6rem,8.5vw,5rem);font-weight:800;letter-spacing:-.02em;color:var(--text-dark);margin:0;line-height:1.05;text-align:center;word-break:break-word}.simple-phonetic{font-size:clamp(1.4rem,4vw,2.2rem);color:var(--text-light);margin:0}.simple-hear-btn{display:inline-flex;align-items:center;justify-content:center;font-size:clamp(1.6rem,4vw,2.2rem);line-height:1;color:#fff;background:linear-gradient(135deg,var(--secondary-color),var(--secondary-hover));border:none;border-radius:50%;width:72px;height:72px;padding:0;cursor:pointer;box-shadow:var(--shadow-lg);-webkit-tap-highlight-color:transparent;transition:transform .15s ease}.simple-hear-btn:active{transform:scale(.93)}.simple-hear-btn.playing{animation:hearPulse 1s ease-in-out infinite}@keyframes hearPulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.simple-meaning{display:flex;flex-direction:column;align-items:center;gap:clamp(12px,2vh,20px);width:min(92%,640px);text-align:center}.simple-arabic{font-size:clamp(1.8rem,5vw,2.8rem);font-weight:700;color:var(--primary-hover);margin:0;direction:rtl}.simple-definition{font-size:clamp(1.2rem,2.8vw,1.6rem);color:var(--text-dark);line-height:1.45;margin:0}.simple-example{font-size:clamp(1.2rem,2.8vw,1.55rem);color:var(--text-medium);background:var(--bg-light);border-radius:var(--radius-md);padding:clamp(14px,2vh,22px) clamp(18px,3vw,28px);line-height:1.6;cursor:pointer;width:100%}.simple-example-label{display:block;font-size:.8em;font-weight:700;color:var(--primary-color);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}.simple-example p{margin:0}.simple-example strong{color:var(--text-dark)}.simple-synonyms{font-size:clamp(1.1rem,2.5vw,1.4rem);color:var(--text-light);margin:0}.simple-synonyms-label{font-weight:700;color:var(--text-medium)}.simple-nav{display:flex;gap:clamp(12px,3vw,24px);width:min(92%,640px);margin-top:auto;position:sticky;bottom:0;padding:clamp(12px,2vh,20px) 0 clamp(16px,3vh,28px);background:linear-gradient(to top,var(--bg-white) 78%,rgba(255,255,255,0))}.simple-nav-btn{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:800;border:none;border-radius:var(--radius-lg);padding:clamp(18px,3vh,28px);min-height:72px;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform .15s ease}.simple-nav-btn:active{transform:scale(.97)}.simple-back{flex:0 0 34%;background:var(--bg-light);color:var(--text-medium);border:2px solid var(--border-color)}.simple-next{flex:1;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));color:#fff;box-shadow:var(--shadow-lg)}.simple-menu-overlay{position:fixed;inset:0;background:#0f172a73;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px;animation:menuFade .18s ease}@keyframes menuFade{0%{opacity:0}to{opacity:1}}.simple-menu{background:#fff;border-radius:24px;width:min(94%,420px);max-height:90vh;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:2px;box-shadow:0 24px 60px #0f172a47;animation:menuPop .2s cubic-bezier(.2,.8,.2,1)}@keyframes menuPop{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}.simple-menu-header{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 6px}.simple-menu-header h2{margin:0;font-size:1.35rem;font-weight:800;color:var(--text-dark)}.simple-menu-close{width:36px;height:36px;border:none;background:var(--bg-light);border-radius:50%;font-size:1.1rem;cursor:pointer;color:var(--text-medium);display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease}.simple-menu-close:hover{background:var(--border-light)}.simple-menu-divider{height:1px;background:var(--border-light);margin:6px 12px}.simple-menu-row{display:flex;align-items:center;gap:14px;font-size:1.05rem;font-weight:600;text-align:left;background:transparent;color:var(--text-dark);border:none;border-radius:14px;padding:12px 14px;min-height:56px;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background .15s ease,transform .1s ease}.simple-menu-row:hover{background:var(--bg-light)}.simple-menu-row:active{transform:scale(.98)}.simple-menu-row-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex-shrink:0;border-radius:12px;background:var(--bg-light);font-size:1.25rem}.simple-menu-row-text{flex:1}.simple-menu-row.danger{color:var(--danger-color)}.simple-menu-row.danger .simple-menu-row-icon,.simple-menu-row.danger:hover{background:#fef2f2}.simple-menu-label{font-size:1rem;font-weight:700;color:var(--text-light);margin-top:8px;text-align:center}.simple-menu-rating{display:flex;gap:10px}.simple-rating{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:clamp(1rem,2.4vw,1.25rem);font-weight:800;padding:14px 8px;min-height:72px;border-radius:var(--radius-md);border:2px solid var(--border-color);background:#fff;cursor:pointer;color:var(--text-medium)}.simple-rating-dot{font-size:1.5rem;line-height:1}.simple-rating.easy.active{background:#10b981;color:#fff;border-color:#10b981}.simple-rating.medium.active{background:#f59e0b;color:#fff;border-color:#f59e0b}.simple-rating.hard.active{background:#ef4444;color:#fff;border-color:#ef4444}.simple-pending{display:flex;flex-direction:column;align-items:center;gap:14px;color:var(--text-light);font-size:clamp(1.1rem,2.6vw,1.4rem);padding:8px 0}.simple-pending p{margin:0}