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2.5rem;font-size:1.125rem;font-weight:600;min-width:160px;transition:all .3s ease}.landing-cta .btn-primary{background:#fff;color:#667eea;box-shadow:0 4px 14px #0000001a}.landing-cta .btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00000026}.landing-cta .btn-secondary{background:#fff3;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.3)}.landing-cta .btn-secondary:hover{background:#ffffff4d;transform:translateY(-2px)}.landing-features{background:#fff;padding:5rem 2rem}.features-title{text-align:center;font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:3rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.feature-card{background:var(--card-bg);padding:2rem;border-radius:16px;box-shadow:0 4px 6px #00000012;transition:all .3s ease;text-align:center}.feature-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px #00000026}.feature-icon{width:64px;height:64px;margin:0 auto 1.5rem;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;color:#fff}.feature-card h3{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.feature-card p{color:var(--text-secondary);line-height:1.6}.landing-demo{background:#f7fafc;padding:5rem 2rem}.demo-title{text-align:center;font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:3rem}.demo-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.demo-step{display:flex;gap:1.5rem;align-items:flex-start}.step-number{flex-shrink:0;width:48px;height:48px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700}.step-content h3{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.step-content p{color:var(--text-secondary);line-height:1.6}.landing-benefits{background:#fff;padding:5rem 2rem}.benefits-title{text-align:center;font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:3rem}.benefits-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}.benefit-item{display:flex;align-items:center;gap:1rem;padding:1.5rem;background:var(--card-bg);border-radius:12px;box-shadow:0 2px 4px #0000000d;transition:all .3s ease}.benefit-item:hover{transform:translate(8px);box-shadow:0 4px 8px #0000001a}.benefit-icon{color:#667eea;flex-shrink:0}.benefit-item span{font-size:1.125rem;color:var(--text-primary)}.landing-cta-bottom{background:linear-gradient(135deg,#667eea,#764ba2);padding:5rem 2rem;text-align:center;color:#fff}.landing-cta-bottom h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.landing-cta-bottom p{font-size:1.25rem;margin-bottom:2rem;opacity:.95}.landing-footer{background:#1a202c;color:#ffffffb3;text-align:center;padding:2rem}.landing-footer p{margin:0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}[data-theme=dark] .landing-features,[data-theme=dark] .landing-benefits{background:var(--bg-primary)}[data-theme=dark] .landing-demo{background:var(--bg-secondary)}[data-theme=dark] .feature-card,[data-theme=dark] .benefit-item{background:var(--card-bg);border:1px solid var(--border-color)}@media (max-width: 768px){.landing-title{font-size:2.5rem;flex-direction:column;gap:.5rem}.landing-subtitle{font-size:1.25rem}.landing-cta .btn-large{width:100%;max-width:300px}.features-title,.demo-title,.benefits-title,.landing-cta-bottom h2{font-size:2rem}.demo-steps,.features-grid{grid-template-columns:1fr}}@media (max-width: 480px){.landing-title{font-size:2rem}.landing-subtitle{font-size:1.125rem}.landing-hero,.landing-features,.landing-demo,.landing-benefits,.landing-cta-bottom{padding:3rem 1.5rem}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem}.auth-card{background-color:var(--bg-primary);border-radius:var(--radius-xl);padding:3rem;max-width:450px;width:100%;box-shadow:0 20px 60px #0000004d;position:relative}.auth-back-button{position:absolute;top:1.5rem;left:1.5rem;background:var(--bg-secondary);border:2px solid var(--border);color:var(--text-primary);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);padding:0}.auth-back-button:hover:not(:disabled){background:var(--primary);border-color:var(--primary);color:#fff;transform:translate(-2px)}.auth-back-button:disabled{opacity:.5;cursor:not-allowed}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{color:var(--primary);margin-bottom:.5rem}.auth-header p{margin:0}.auth-error{display:flex;align-items:center;gap:.75rem;padding:1rem;background-color:#ef44441a;border:1px solid var(--danger);border-radius:var(--radius-md);color:var(--danger);margin-bottom:1.5rem;font-size:.875rem}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.auth-form .form-group{display:flex;flex-direction:column;gap:.5rem}.auth-form label{display:flex;align-items:center;gap:.5rem;font-weight:500;color:var(--text-primary);font-size:.875rem}.auth-form input{padding:.875rem 1rem;font-size:1rem;border:2px solid var(--border);border-radius:var(--radius-md);background-color:var(--bg-secondary);color:var(--text-primary);transition:border-color var(--transition-fast)}.auth-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.auth-form input:disabled{opacity:.6;cursor:not-allowed}.auth-divider{display:flex;align-items:center;text-align:center;margin:1.5rem 0;color:var(--text-secondary);font-size:.875rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-bottom:1px solid var(--border)}.auth-divider span{padding:0 1rem}.google-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;font-weight:500}.auth-toggle{text-align:center;margin-top:1.5rem;color:var(--text-secondary);font-size:.875rem}.link-button{background:none;border:none;color:var(--primary);font-weight:600;cursor:pointer;padding:0;text-decoration:underline;font-size:inherit;transition:color var(--transition-fast)}.link-button:hover{color:var(--primary-dark)}.link-button:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 768px){.auth-card{padding:2rem}.auth-header h1{font-size:1.75rem}}.plant-growth-widget{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);border-radius:var(--radius-lg);padding:2rem;margin-bottom:2rem;display:flex;align-items:center;gap:2rem;box-shadow:0 4px 12px var(--shadow);animation:slideDown .4s ease-out;position:relative;overflow:hidden}.plant-growth-widget:before{content:"";position:absolute;top:-50%;right:-10%;width:200px;height:200px;background:#ffffff1a;border-radius:50%;filter:blur(60px)}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.plant-display{font-size:5rem;line-height:1;animation:plantBounce 2s ease-in-out infinite;filter:drop-shadow(0 4px 8px rgba(0,0,0,.2))}@keyframes plantBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.plant-info{flex:1;color:#fff}.plant-info h3{font-size:1.5rem;margin:0 0 .5rem;font-weight:700;color:#fff}.plant-message{font-size:1rem;margin:0 0 1.5rem;opacity:.95;color:#fff}.plant-stats{display:flex;gap:2rem;margin-bottom:1.5rem}.stat-item{display:flex;align-items:center;gap:.75rem}.flame-icon{color:orange;filter:drop-shadow(0 0 8px rgba(255,165,0,.6))}.trend-icon{color:#90ee90;filter:drop-shadow(0 0 8px rgba(144,238,144,.6))}.stat-content{display:flex;flex-direction:column}.stat-value{font-size:1.75rem;font-weight:700;line-height:1;color:#fff}.stat-label{font-size:.875rem;opacity:.9;margin-top:.25rem;color:#fff}.progress-bar{width:100%;height:12px;background:#fff3;border-radius:6px;overflow:hidden;margin-bottom:.5rem;box-shadow:inset 0 2px 4px #0000001a}.progress-fill{height:100%;background:linear-gradient(90deg,gold,orange);border-radius:6px;transition:width .5s ease;box-shadow:0 0 10px #ffd70080}.milestone-text{font-size:.875rem;opacity:.95;color:#fff;font-weight:500}.plant-growth-widget.compact{padding:1.5rem;gap:1.5rem;margin-bottom:1.5rem}.plant-display-compact{font-size:3.5rem;line-height:1;animation:plantBounce 2s ease-in-out infinite;filter:drop-shadow(0 4px 8px rgba(0,0,0,.2))}.plant-info-compact{flex:1;color:#fff}.plant-stats-row{display:flex;gap:1.5rem;margin-bottom:1rem}.stat-compact{display:flex;align-items:center;gap:.5rem}.stat-compact .stat-value{font-size:1.5rem;font-weight:700;color:#fff}.stat-compact .stat-label{font-size:.875rem;opacity:.9;color:#fff}.plant-message-compact{font-size:.95rem;margin-bottom:1rem;opacity:.95;color:#fff;font-weight:500}.progress-bar-compact{width:100%;height:8px;background:#fff3;border-radius:4px;overflow:hidden;margin-bottom:.5rem;box-shadow:inset 0 2px 4px #0000001a}.progress-fill-compact{height:100%;background:linear-gradient(90deg,gold,orange);border-radius:4px;transition:width .5s ease;box-shadow:0 0 8px #ffd70080}.spinner-small{width:30px;height:30px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 768px){.plant-growth-widget{flex-direction:column;text-align:center;padding:1.5rem;gap:1rem}.plant-display{font-size:4rem}.plant-stats{justify-content:center;gap:1.5rem}.plant-growth-widget.compact{padding:1.25rem}.plant-display-compact{font-size:3rem}.plant-stats-row{justify-content:center}}[data-theme=dark] .plant-growth-widget{background:linear-gradient(135deg,#4338ca,#6366f1)}[data-theme=dark] .plant-growth-widget:before{background:#ffffff0d}.deck-management{min-height:100vh;padding:2rem 0}.decks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.deck-card{background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:1.5rem;border-top:4px solid var(--primary);box-shadow:0 2px 8px var(--shadow);transition:all var(--transition-base)}.deck-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px var(--shadow)}.deck-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.deck-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.deck-menu-container{position:relative}.deck-menu-container .btn-icon-small{background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);padding:.5rem;border-radius:var(--radius-md);transition:all var(--transition-fast);cursor:pointer;display:flex;align-items:center;justify-content:center}.deck-menu-container .btn-icon-small:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:scale(1.05)}.deck-dropdown-menu{position:absolute;top:100%;right:0;margin-top:.5rem;background:#fff;border:2px solid #e2e8f0;border-radius:8px;box-shadow:0 8px 24px #00000026;min-width:150px;z-index:100;overflow:hidden;animation:dropdownSlideIn .2s ease}[data-theme=dark] .deck-dropdown-menu{background:#2d3748;border-color:#4a5568;box-shadow:0 8px 24px #0006}@keyframes dropdownSlideIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{display:flex;align-items:center;gap:.75rem;width:100%;padding:.875rem 1rem;border:none;background:none;color:#1a202c;font-size:.9rem;font-weight:500;text-align:left;cursor:pointer;transition:all .15s ease;border-bottom:1px solid #f7fafc}[data-theme=dark] .dropdown-item{color:#e2e8f0;border-bottom-color:#4a5568}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover{background:#f7fafc}[data-theme=dark] .dropdown-item:hover{background:#374151}.dropdown-item.danger{color:#dc2626}[data-theme=dark] .dropdown-item.danger{color:#f87171}.dropdown-item.danger:hover{background:#fef2f2}[data-theme=dark] .dropdown-item.danger:hover{background:#ef444426}.deck-card h3{margin:0 0 .5rem;font-size:1.25rem}.deck-description{color:var(--text-secondary);font-size:.875rem;line-height:1.5;margin-bottom:1rem}.deck-stats{display:flex;gap:1rem;padding:.75rem 0;border-top:1px solid var(--border);font-size:.875rem;color:var(--text-secondary)}.create-deck-modal{position:fixed;top:0;left:0;right:0;bottom:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.modal-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{position:relative;background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:2rem;max-width:500px;width:100%;box-shadow:0 20px 60px #0000004d;animation:modalSlideIn .3s ease;max-height:90vh;overflow-y:auto}.modal-content.modal-large{max-width:700px}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-content h2,.modal-content .form-group{margin-bottom:1.5rem}.modal-content label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.modal-content input,.modal-content textarea{width:100%}.modal-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:2rem}.modal-tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;border-bottom:2px solid var(--border)}.tab-button{padding:.75rem 1.5rem;background:none;border:none;color:var(--text-secondary);font-size:.9375rem;font-weight:500;cursor:pointer;position:relative;transition:color var(--transition-fast);border-bottom:2px solid transparent;margin-bottom:-2px}.tab-button:hover{color:var(--text-primary)}.tab-button.active{color:var(--primary);border-bottom-color:var(--primary)}.words-management{min-height:300px}.word-list-edit{display:flex;flex-direction:column;gap:.75rem;max-height:400px;overflow-y:auto;padding:.5rem;margin-bottom:1rem}.word-item-edit{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);gap:1rem;transition:all var(--transition-fast)}.word-item-edit:hover{border-color:var(--primary);box-shadow:0 2px 8px var(--shadow)}.word-content{flex:1;min-width:0}.word-main h4{margin:0 0 .25rem;font-size:1.125rem;color:var(--text-primary)}.word-meaning-text{margin:0;color:var(--text-secondary);font-size:.875rem}.word-pronunciation-text{margin:.25rem 0 0;color:var(--text-light);font-size:.8125rem;font-style:italic}.word-actions{display:flex;gap:.5rem;flex-shrink:0}.btn-icon-small.danger{color:var(--danger)}.btn-icon-small.danger:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}.empty-state h2{color:var(--text-primary);margin-bottom:.5rem}.empty-state p{margin-bottom:2rem;font-size:1.125rem}@media (max-width: 768px){.decks-grid{grid-template-columns:1fr}.modal-content{padding:1.5rem}}.admin-panel{min-height:100vh;padding:2rem;max-width:1400px;margin:0 auto}.admin-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem}.admin-header h1{margin:0}.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:1.5rem;display:flex;align-items:center;gap:1rem;box-shadow:0 2px 8px var(--shadow)}.stat-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.stat-content{flex:1}.stat-label{font-size:.875rem;color:var(--text-secondary);margin-bottom:.25rem}.stat-value{font-size:2rem;font-weight:700;color:var(--text-primary)}.admin-tabs{display:flex;gap:.5rem;margin-bottom:2rem;border-bottom:2px solid var(--border)}.tab-btn{display:flex;align-items:center;gap:.5rem;padding:1rem 1.5rem;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-secondary);font-weight:500;cursor:pointer;transition:all var(--transition-fast);margin-bottom:-2px}.tab-btn:hover{color:var(--text-primary);background-color:var(--bg-secondary)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.search-bar{display:flex;align-items:center;gap:.75rem;padding:.875rem 1rem;background-color:var(--bg-primary);border:2px solid var(--border);border-radius:var(--radius-md);margin-bottom:1.5rem;max-width:500px}.search-bar svg{color:var(--text-secondary)}.search-bar input{flex:1;border:none;background:none;color:var(--text-primary);font-size:1rem;outline:none}.admin-content{background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:0 2px 8px var(--shadow);overflow-x:auto}.data-table{width:100%}.data-table table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:1rem;background-color:var(--bg-secondary);color:var(--text-secondary);font-weight:600;font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.data-table td{padding:1rem;border-bottom:1px solid var(--border);color:var(--text-primary)}.data-table tbody tr:hover{background-color:var(--bg-secondary)}.data-table tbody tr:last-child td{border-bottom:none}.role-badge,.api-badge{display:inline-block;padding:.25rem .75rem;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;text-transform:uppercase}.role-badge.admin{background-color:#ef44441a;color:var(--danger)}.role-badge.user{background-color:#4f46e51a;color:var(--primary)}.api-badge.openai{background-color:#10b9811a;color:var(--secondary)}.api-badge.elevenlabs{background-color:#f59e0b1a;color:var(--warning)}@media (max-width: 768px){.admin-panel{padding:1rem}.admin-stats{grid-template-columns:1fr}.admin-tabs{flex-direction:column;border-bottom:none}.tab-btn{border-bottom:none;border-left:2px solid transparent;justify-content:flex-start}.tab-btn.active{border-left-color:var(--primary);border-bottom-color:transparent}.data-table{overflow-x:auto}.data-table table{min-width:600px}}.learning-session{min-height:100vh;padding:1rem 0;background:linear-gradient(135deg,#667eea,#764ba2)}.session-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.session-header button{min-width:44px;min-height:44px;padding:.75rem;display:flex;align-items:center;justify-content:center}.session-progress{background-color:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:.5rem 1rem;border-radius:var(--radius-md)}.progress-text{color:#fff;font-weight:600}.word-card{max-width:600px;margin:0 auto 2rem;padding:3rem 2rem;text-align:center;min-height:400px;display:flex;flex-direction:column;justify-content:center}.word-display{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1rem}.word-text{font-size:3rem;font-weight:700;color:var(--primary);margin:0;line-height:1}.icon-btn{min-width:44px;min-height:44px;padding:.75rem;display:flex;align-items:center;justify-content:center}.pronunciation{font-size:1.25rem;color:var(--text-secondary);margin-bottom:2rem;font-family:var(--font-mono)}.meaning-section{margin-top:2rem;padding:2rem;background-color:var(--bg-secondary);border-radius:var(--radius-lg);animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.meaning-text{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.synonyms{font-size:1rem;color:var(--text-secondary);padding-top:1rem;border-top:1px solid var(--border)}.example-section{margin-top:1rem;padding:1.5rem;background-color:#fef3c7;border-radius:var(--radius-md);border-left:4px solid var(--warning);animation:fadeIn .3s ease;text-align:left}[data-theme=dark] .example-section{background-color:var(--bg-tertiary);border-left-color:#fbbf24}.example-en{font-size:1.125rem;font-style:italic;color:var(--text-primary);margin-bottom:.5rem;line-height:1.6}.example-ko{font-size:1rem;color:var(--text-secondary);line-height:1.6}.hint-btn{display:flex;align-items:center;justify-content:center}.hint-section{margin-top:1rem;padding:1.5rem;background:linear-gradient(135deg,#e0e7ff,#c7d2fe);border-radius:var(--radius-md);animation:fadeIn .3s ease;text-align:left;line-height:1.8;color:var(--text-primary);white-space:pre-line;font-size:.9375rem}[data-theme=dark] .hint-section{background:linear-gradient(135deg,var(--bg-tertiary),var(--bg-primary));border:2px solid var(--primary-light)}.mnemonic-btn{display:flex;align-items:center;justify-content:center}.mnemonics-section{margin-top:1rem;display:flex;flex-direction:column;gap:1rem;animation:fadeIn .3s ease}.mnemonic-card{padding:1.5rem;background-color:var(--bg-secondary);border-radius:var(--radius-md);border-left:4px solid var(--primary);text-align:left}[data-theme=dark] .mnemonic-card{border-left-color:var(--primary-light)}.mnemonic-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;color:var(--primary)}[data-theme=dark] .mnemonic-header{color:var(--primary-light)}.mnemonic-header strong{font-size:1rem}.mnemonic-card p{margin:0;line-height:1.7;color:var(--text-primary)}.mnemonic-card:nth-child(1){border-left-color:#f59e0b}.mnemonic-card:nth-child(2){border-left-color:#10b981}.mnemonic-card:nth-child(3){border-left-color:#8b5cf6}.mnemonic-card:nth-child(4){border-left-color:#ef4444}.action-buttons{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}.action-buttons button{display:flex;align-items:center;justify-content:center}.navigation-buttons{display:flex;justify-content:space-between;gap:1rem;margin-bottom:1rem}.navigation-buttons button{display:flex;align-items:center;gap:.5rem}.navigation-buttons button:disabled{opacity:.5;cursor:not-allowed}.tips-box{background-color:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:center;font-size:.875rem;line-height:1.6;color:var(--text-primary)}[data-theme=dark] .tips-box{background-color:#1f2937e6;color:var(--text-primary)}@media (max-width: 768px){.word-card{padding:2rem 1.5rem;min-height:350px}.word-text{font-size:2rem}.pronunciation{font-size:1rem}.meaning-text{font-size:1.25rem}.example-en{font-size:1rem}.action-buttons{grid-template-columns:1fr}.navigation-buttons{flex-direction:column}}.quiz-session{min-height:100vh;padding:1rem 0;background:linear-gradient(135deg,#f093fb,#f5576c)}.quiz-card{max-width:700px;margin:0 auto;padding:2.5rem 2rem}.quiz-type-badge{display:inline-block;padding:.5rem 1rem;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;margin-bottom:1.5rem}.quiz-question{font-size:1.5rem;margin-bottom:2rem;line-height:1.4}.options-grid{display:grid;gap:1rem;margin-bottom:2rem}.option-btn{padding:1.25rem 1.5rem;background-color:var(--bg-secondary);border:2px solid var(--border);border-radius:var(--radius-md);font-size:1.125rem;text-align:left;cursor:pointer;transition:all var(--transition-base);display:flex;align-items:center;gap:1rem;color:var(--text-primary)!important}.option-btn:hover:not(:disabled){border-color:var(--primary);background-color:#4f46e50d;transform:translate(4px)}.option-btn.selected{border-color:var(--primary);background-color:#4f46e51a;font-weight:600}.option-btn.correct{border-color:var(--secondary);background-color:#10b9811a;color:var(--secondary)!important}.option-btn.incorrect{border-color:var(--danger);background-color:#ef44441a;color:var(--danger)!important}.option-btn:disabled{cursor:not-allowed}.fill-in-section{margin-bottom:2rem}.fill-in-input{font-size:1.25rem;padding:1rem 1.5rem;text-align:center}.result-feedback{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1.25rem;border-radius:var(--radius-md);font-size:1.125rem;font-weight:600;margin-top:1.5rem;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.result-feedback.correct{background-color:#10b9811a;color:var(--secondary);border:2px solid var(--secondary)}.result-feedback.incorrect{background-color:#ef44441a;color:var(--danger);border:2px solid var(--danger)}.explanation-section{margin-top:1.5rem;padding:1.5rem;background-color:var(--bg-secondary);border-radius:var(--radius-md);animation:fadeIn .3s ease}.example-text,.hint-text{margin-bottom:1rem;line-height:1.8;white-space:pre-line}.example-text:last-child,.hint-text:last-child{margin-bottom:0}.quiz-results{min-height:100vh;background:linear-gradient(135deg,#a8edea,#fed6e3);display:flex;align-items:center;padding:2rem 0}.results-card{text-align:center;max-width:600px;margin:0 auto}.results-card h1{margin-bottom:2rem}.score-display{margin:2rem 0}.score-circle{width:200px;height:200px;margin:0 auto;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;box-shadow:0 10px 40px #4f46e54d}.score-value{font-size:3rem;font-weight:700;line-height:1}.score-label{font-size:1rem;margin-top:.5rem;opacity:.9}.results-card .stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0}.results-card .stat-item{padding:1.5rem 1rem;background-color:var(--bg-secondary);border-radius:var(--radius-md)}.results-card .stat-value{font-size:2rem;font-weight:700;margin-bottom:.5rem}.results-card .stat-label{font-size:.875rem;color:var(--text-secondary)}.wrong-words{margin:2rem 0;padding:1.5rem;background-color:#ef44441a;border-radius:var(--radius-md);border:2px solid var(--danger);text-align:left}.wrong-words h3{color:var(--danger);margin-bottom:1rem}.wrong-words ul{list-style:none;padding:0}.wrong-words li{padding:.75rem;margin-bottom:.5rem;background-color:var(--bg-primary);border-radius:var(--radius-sm);color:var(--text-primary)}@media (max-width: 768px){.quiz-card{padding:2rem 1.5rem}.quiz-question{font-size:1.25rem}.option-btn{padding:1rem;font-size:1rem}.score-circle{width:160px;height:160px}.score-value{font-size:2.5rem}.results-card .stats-grid{grid-template-columns:1fr}}.quiz-type-selector{min-height:100vh;padding:2rem 0;background-color:var(--background)}.quiz-type-selector .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.deck-info{text-align:center;margin-bottom:2rem}.deck-info p{font-size:1rem}.quiz-types-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-bottom:3rem}.quiz-type-card{background:var(--card-bg);border:2px solid var(--border-color);border-radius:12px;padding:2rem;text-align:center;cursor:pointer;transition:all .2s 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768px){.quiz-types-grid{grid-template-columns:1fr;gap:1rem}.quiz-type-card{padding:1.5rem}.quiz-type-icon{font-size:2.5rem}}.word-list{min-height:100vh;padding:1rem 0 2rem}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-header h1{margin:0}.page-header button{min-width:44px;min-height:44px;padding:.75rem;display:flex;align-items:center;justify-content:center}.filters-section{margin-bottom:1.5rem}.search-box{position:relative;margin-bottom:1rem}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-secondary)}.search-input{padding-left:3rem;font-size:1rem}.day-filter{display:flex;gap:.5rem;flex-wrap:wrap}.day-btn{padding:.5rem 1rem;background-color:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all 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.25rem}.word-pronunciation{font-family:var(--font-mono);font-size:.875rem;color:var(--text-secondary);margin:0}.word-badges{display:flex;gap:.5rem;flex-shrink:0}.badge-box{font-weight:600}.badge-box.box-1{background-color:#ef44441a;color:var(--danger)}.badge-box.box-2{background-color:#f59e0b1a;color:var(--warning)}.badge-box.box-3{background-color:#3b82f61a;color:#3b82f6}.badge-box.box-4,.badge-box.box-5{background-color:#10b9811a;color:var(--secondary)}.word-meaning{font-size:1.125rem;font-weight:600;margin-bottom:1rem}.word-synonyms{font-size:.875rem;color:var(--text-secondary);margin-bottom:1rem}.word-synonyms strong{color:var(--text-primary)}.word-example{padding:1rem;background-color:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:1rem;border-left:3px solid var(--primary)}.example-en{font-style:italic;font-size:.9375rem;line-height:1.6;margin-bottom:.5rem}.example-ko{font-size:.875rem;color:var(--text-secondary);line-height:1.5}.word-progress{padding-top:1rem;border-top:1px solid var(--border)}.progress-stats{display:flex;gap:1rem;font-size:.875rem;flex-wrap:wrap}.stat-correct{color:var(--secondary);font-weight:600}.stat-incorrect{color:var(--danger);font-weight:600}.stat-last-reviewed{color:var(--text-secondary);margin-left:auto}.empty-state{text-align:center;padding:3rem 2rem;color:var(--text-secondary)}@media (max-width: 768px){.word-header{flex-direction:column;gap:1rem}.word-badges{width:100%;justify-content:flex-start}.word-title{font-size:1.25rem}.day-filter{gap:.25rem}.day-btn{padding:.5rem 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#0003;text-align:center}.setup-icon{color:var(--primary);margin-bottom:1.5rem;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.setup-card h2{font-size:2rem;color:#1a202c;font-weight:800;margin-bottom:.5rem}.setup-card .text-muted{color:#4a5568;font-size:1.0625rem;font-weight:500}.purpose-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:2rem 0}.purpose-card{position:relative;padding:1.5rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:3px solid #cbd5e1;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-align:center;box-shadow:0 2px 8px #00000014}.purpose-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #667eea40;border-color:#818cf8;background:linear-gradient(135deg,#eef2ff,#e0e7ff)}.purpose-card.active{border-color:var(--primary);background:linear-gradient(135deg,#667eea33,#764ba226);box-shadow:0 8px 24px #667eea59}.purpose-card h3{font-size:1.25rem;font-weight:800;color:#1a202c;margin:0 0 .5rem}.purpose-card p{font-size:.875rem;font-weight:600;color:#475569;margin:0;line-height:1.4}.check-icon{position:absolute;top:.75rem;right:.75rem;color:#fff;background:var(--primary);border-radius:50%;padding:4px;box-shadow:0 2px 8px #667eea66}.input-screen{display:flex;justify-content:center;align-items:center;min-height:70vh}.input-card{background:#fff;border-radius:1rem;padding:2.5rem;max-width:600px;width:100%;box-shadow:0 20px 60px #0003}.input-card h2{font-size:1.75rem;color:#1a202c;font-weight:800;margin-bottom:.5rem}.input-card .text-muted{color:#4a5568;font-size:1rem;font-weight:500}.selected-purpose{display:flex;align-items:center;gap:.5rem;padding:1rem 1.25rem;background:linear-gradient(135deg,#667eea26,#764ba21a);border:2px solid rgba(102,126,234,.4);border-radius:var(--radius-md);margin:1.5rem 0;font-size:1rem;color:#1a202c;font-weight:600}.selected-purpose strong{color:#1a202c;font-weight:700}.btn-text{background:none;border:none;color:var(--primary);cursor:pointer;text-decoration:underline;font-weight:600;padding:.25rem .5rem;margin-left:auto;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.btn-text:hover{background:#667eea1a;color:var(--primary-dark)}.words-input{width:100%;min-height:300px;padding:1.25rem;font-size:1.0625rem;font-family:Courier New,monospace;border:3px solid #cbd5e1;border-radius:var(--radius-md);resize:vertical;transition:all var(--transition-fast);background-color:#fafafa;color:#1a202c;line-height:1.8;font-weight:500}.words-input::placeholder{color:#94a3b8;font-weight:400}.words-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #667eea26;background-color:#fff}.words-input:disabled{opacity:.6;cursor:not-allowed;background-color:#f3f4f6;color:#64748b}.word-count-info{text-align:right;font-size:1rem;font-weight:700;color:#5568d3;margin-top:.75rem;margin-bottom:1rem;padding:.75rem 1rem;background:#667eea26;border-radius:var(--radius-sm);border:2px solid rgba(102,126,234,.25)}.button-group{display:flex;gap:1rem;margin-top:1.5rem}.button-group .btn-secondary{flex:0 0 auto}.button-group .btn-primary{flex:1}.review-screen{padding:1rem 0}.review-header{text-align:center;margin-bottom:2rem;color:#fff}.review-header h2{font-size:2rem;margin-bottom:.5rem}.generated-words-list{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}.generated-word-card{background:#fff;border-radius:var(--radius-lg);padding:2rem;box-shadow:0 4px 16px #0000001f;border:2px solid #f3f4f6;transition:all var(--transition-base)}.generated-word-card:hover{box-shadow:0 8px 24px #00000026;border-color:#e5e7eb}.generated-word-card .word-card-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1.25rem;border-bottom:3px solid #f3f4f6;margin-bottom:1.5rem}.generated-word-card h3{font-size:1.875rem;font-weight:800;color:#5568d3;margin:0;flex:1}.word-actions{display:flex;gap:.5rem}.inline-edit{border:2px solid var(--primary);border-radius:var(--radius-md);padding:.25rem .5rem;font-size:inherit;font-weight:inherit;color:#1a202c;background-color:#fff;width:100%}.word-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1rem}.info-item{display:flex;flex-direction:column;gap:.5rem}.info-item.full-width{grid-column:1 / -1}.info-item label{font-size:.8125rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.75px;margin-bottom:.5rem}.info-item p{margin:0;color:#1a202c;line-height:1.6;font-size:1rem;font-weight:500}.info-item input,.info-item textarea{width:100%;padding:.875rem 1rem;border:2px solid #cbd5e1;border-radius:var(--radius-md);font-size:1rem;color:#1a202c;font-weight:500;transition:all var(--transition-fast);background-color:#fafafa}.info-item input:focus,.info-item textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #667eea26;background-color:#fff}.pronunciation{font-family:Courier New,monospace;color:#5568d3;font-size:1.25rem;font-weight:700;background:#667eea26;padding:.5rem 1rem;border-radius:var(--radius-md);display:inline-block;border:2px solid rgba(102,126,234,.25)}.part-of-speech{background:linear-gradient(135deg,#667eea26,#764ba21a);color:#5568d3;padding:.5rem 1rem;border-radius:var(--radius-md);display:inline-block;font-weight:700;border:2px solid rgba(102,126,234,.3)}.example{font-style:italic;color:#1a202c;background:#f8fafc;padding:1rem;border-radius:var(--radius-md);border-left:4px solid var(--primary);font-weight:500;line-height:1.7}.example-ko{color:#475569;background:#f8fafc;padding:1rem;border-radius:var(--radius-md);font-weight:500;line-height:1.7}.synonyms-list{display:flex;flex-wrap:wrap;gap:.5rem}.synonym-tag{background:#667eea26;color:#5568d3;padding:.5rem 1rem;border-radius:var(--radius-md);font-size:.9375rem;font-weight:600;border:2px solid rgba(102,126,234,.25)}.ai-mnemonics,.hint{background:linear-gradient(135deg,#667eea14,#764ba214);padding:1.25rem;border-radius:var(--radius-md);color:#1a202c;font-weight:500;line-height:1.8;border-left:4px solid var(--primary);white-space:pre-line;font-size:.9375rem}.review-footer{display:flex;gap:1rem;justify-content:center;padding:2rem 0}.review-footer .btn-secondary{flex:0 0 auto}.review-footer .btn-primary{flex:0 0 auto;min-width:250px}.alert{padding:1.25rem 1.5rem;border-radius:var(--radius-md);margin-bottom:1.5rem;display:flex;align-items:center;gap:1rem;font-weight:500;font-size:1rem}.alert-error{background:linear-gradient(135deg,#ef444426,#dc26261a);border:2px solid var(--danger);color:#b91c1c;box-shadow:0 4px 12px #ef444433;white-space:pre-line}.alert-success{background:linear-gradient(135deg,#10b98126,#0596691a);border:2px solid var(--success);color:#065f46;box-shadow:0 4px 12px #10b98133}@media (max-width: 768px){.setup-card,.input-card{padding:2rem 1.5rem}.purpose-grid{grid-template-columns:1fr 1fr}.word-info-grid{grid-template-columns:1fr}.generated-word-card{padding:1.5rem}.review-footer{flex-direction:column}.review-footer .btn-primary{width:100%}}@media (max-width: 480px){.word-registration-header h1{font-size:1.25rem}.setup-card h2,.review-header h2{font-size:1.5rem}.purpose-grid{grid-template-columns:1fr}.button-group{flex-direction:column}.button-group .btn-secondary,.button-group .btn-primary{width:100%}}.settings{min-height:100vh;padding:1rem 0 2rem}.settings-section{margin-bottom:1.5rem}.settings-section h3{margin-bottom:.5rem}.setting-item{display:flex;justify-content:space-between;align-items:center;gap:1rem}.setting-info{display:flex;align-items:center;gap:1rem;flex:1}.setting-icon{color:var(--primary);flex-shrink:0}.setting-info h3{margin:0 0 .25rem;font-size:1.125rem}.setting-info p{margin:0;font-size:.875rem}.toggle-btn{position:relative;width:52px;height:28px;background-color:var(--border);border:none;border-radius:14px;cursor:pointer;transition:background-color var(--transition-base);flex-shrink:0}.toggle-btn:disabled{opacity:.5;cursor:not-allowed}.toggle-btn.active{background-color:var(--primary)}.toggle-slider{position:absolute;top:2px;left:2px;width:24px;height:24px;background-color:#fff;border-radius:50%;transition:transform var(--transition-base);box-shadow:0 2px 4px #0003}.toggle-btn.active .toggle-slider{transform:translate(24px)}.schedule-settings{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border)}.schedule-settings h4{margin-bottom:1rem;font-size:1rem;font-weight:600}.time-inputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.time-input-group{display:flex;flex-direction:column;gap:.5rem}.time-input-group label{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.time-input-group input[type=time]{padding:.75rem;border:2px solid var(--border);border-radius:var(--radius-md);font-size:1rem;font-family:var(--font-mono)}.settings-action-btn{width:100%;padding:1rem 1.5rem;margin-bottom:.75rem;background-color:var(--bg-secondary);border:2px solid var(--border);border-radius:var(--radius-md);font-size:1rem;font-weight:500;color:var(--text-primary);display:flex;align-items:center;gap:.75rem;cursor:pointer;transition:all var(--transition-base);text-align:left}.settings-action-btn:hover{background-color:var(--bg-tertiary);border-color:var(--primary)}.settings-action-btn.danger{color:var(--danger);border-color:var(--danger)}.settings-action-btn.danger:hover{background-color:#ef44441a}[data-theme=dark] .settings-action-btn.danger:hover{background-color:#ef444433}.settings-action-btn:last-child{margin-bottom:0}.about-info p{margin-bottom:.75rem;line-height:1.6}.about-info p:last-child{margin-bottom:0}.about-info code{padding:.125rem .375rem;background-color:var(--bg-tertiary);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.875rem}@media (max-width: 768px){.setting-item{flex-direction:column;align-items:flex-start}.toggle-btn{align-self:flex-end}.time-inputs{grid-template-columns:1fr}}.learning-history{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem 0}[data-theme=dark] .learning-history{background:linear-gradient(135deg,#434190,#4a2570)}.plant-section{background:var(--bg-primary);text-align:center}.plant-display{font-size:6rem;margin:1rem 0;animation:plantGrow .5s ease-out}@keyframes plantGrow{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}.plant-message{font-size:1.125rem;font-weight:500;color:var(--success)}.plant-progress{margin-top:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{text-align:center;padding:1.5rem;background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:0 2px 8px var(--shadow);transition:transform var(--transition-base)}.stat-card:hover{transform:translateY(-4px)}.calendar-section{background:var(--bg-primary)}.calendar-grid{overflow-x:auto;padding:1rem 0}.calendar-cell{transition:all var(--transition-fast)}.calendar-cell:hover{transform:scale(1.2);border:2px solid var(--primary)!important}:root{--intensity-0: #ebedf0;--intensity-1: #c6e48b;--intensity-2: #7bc96f;--intensity-3: #239a3b;--intensity-4: #196127}[data-theme=dark]{--intensity-0: #374151;--intensity-1: #0e4429;--intensity-2: #006d32;--intensity-3: #26a641;--intensity-4: #39d353}.achievements-section{background:var(--bg-primary)}.achievement-badge{padding:.75rem 1rem;border-radius:var(--radius-md);display:flex;align-items:center;gap:.5rem;font-weight:600;box-shadow:0 2px 8px var(--shadow);animation:badgeAppear .3s ease-out}@keyframes badgeAppear{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.learning-history{padding:1rem 0}.plant-display{font-size:4rem}.stats-grid{grid-template-columns:1fr}.calendar-grid{padding-bottom:1rem}.achievement-badge{width:100%;justify-content:center}}.support-chat-button{position:fixed;bottom:20px;right:20px;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;box-shadow:0 4px 12px #00000026;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;z-index:1000}.support-chat-button:hover{transform:scale(1.1);box-shadow:0 6px 20px #667eea66}.support-chat-button:active{transform:scale(.95)}.support-chat-modal{position:fixed;bottom:90px;right:20px;width:380px;max-width:calc(100vw - 40px);background:#fff;border-radius:16px;box-shadow:0 8px 32px #0003;z-index:1000;overflow:hidden;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.support-chat-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px;display:flex;justify-content:space-between;align-items:center}.support-chat-header h3{margin:0;font-size:18px;font-weight:600}.support-chat-close{background:#fff3;border:none;color:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 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textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.support-form-group textarea{resize:vertical;min-height:100px}.support-submit-button{width:100%;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex;align-items:center;justify-content:center;gap:8px}.support-submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea4d}.support-submit-button:active:not(:disabled){transform:translateY(0)}.support-submit-button:disabled{opacity:.6;cursor:not-allowed}.support-submit-button .spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.support-alert{padding:12px 15px;border-radius:8px;margin-bottom:15px;font-size:14px;display:flex;align-items:center;gap:10px}.support-alert.success{background:#d1fae5;color:#065f46;border:1px solid #6ee7b7}.support-alert.error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.support-success-message{text-align:center;padding:40px 20px}.support-success-icon{font-size:64px;margin-bottom:20px}.support-success-message h4{margin:0 0 10px;color:#059669;font-size:20px}.support-success-message p{margin:0;color:#6b7280;line-height:1.6}.support-new-ticket-button{margin-top:20px;padding:10px 20px;background:#fff;border:2px solid #667eea;color:#667eea;border-radius:8px;cursor:pointer;font-weight:600;transition:all .2s}.support-new-ticket-button:hover{background:#667eea;color:#fff}@media (max-width: 480px){.support-chat-modal{bottom:80px;right:10px;left:10px;width:auto}.support-type-selector{grid-template-columns:1fr}}:root{--primary: #667eea;--primary-dark: #5568d3;--primary-light: #818CF8;--secondary: #10B981;--success: #10B981;--danger: #EF4444;--warning: #F59E0B;--bg-primary: #FFFFFF;--bg-secondary: #F9FAFB;--bg-tertiary: #F3F4F6;--text-primary: #111827;--text-secondary: #6B7280;--text-light: #9CA3AF;--border: #E5E7EB;--shadow: rgba(0, 0, 0, .1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease}[data-theme=dark]{--primary: #818CF8;--primary-dark: #6366F1;--primary-light: #A5B4FC;--secondary: #34D399;--danger: #F87171;--warning: #FBBF24;--bg-primary: #1F2937;--bg-secondary: #111827;--bg-tertiary: #374151;--text-primary: #F9FAFB;--text-secondary: #D1D5DB;--text-light: #9CA3AF;--border: #4B5563;--shadow: rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2.25rem;font-weight:700}h2{font-size:1.875rem}h3{font-size:1.5rem}p{margin-bottom:var(--spacing-md)}button{font-family:var(--font-sans);font-size:1rem;font-weight:500;padding:var(--spacing-md) var(--spacing-lg);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}button:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 2px 8px #667eea4d;border:2px solid transparent}.btn-primary:hover:not(:disabled){background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--border);box-shadow:0 1px 3px var(--shadow)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-tertiary);border-color:var(--primary);transform:translateY(-1px)}.btn-tertiary{background-color:transparent;color:var(--text-primary);border:2px solid var(--border)}.btn-tertiary:hover:not(:disabled){background-color:var(--bg-secondary);border-color:var(--primary)}.btn-success{background-color:var(--success);color:#fff;box-shadow:0 2px 8px #10b9814d}.btn-success:hover:not(:disabled){background-color:#059669;transform:translateY(-1px)}.btn-danger{background-color:var(--danger);color:#fff;box-shadow:0 2px 8px #ef44444d}.btn-danger:hover:not(:disabled){background-color:#dc2626;transform:translateY(-1px)}.btn-large{font-size:1.125rem;font-weight:600;padding:var(--spacing-lg) var(--spacing-xl);min-height:56px}.btn-sm{font-size:.875rem;padding:.5rem 1rem;min-height:36px}.btn-with-icon{gap:.75rem}.btn-icon{width:44px;height:44px;min-height:44px;padding:0;border-radius:50%;display:flex;align-items:center;justify-content:center;background-color:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--border)}.btn-icon:hover:not(:disabled){background-color:var(--primary);color:#fff;border-color:var(--primary);transform:scale(1.05)}.btn-icon-small{width:36px;height:36px;min-height:36px;padding:0;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);font-size:.875rem}.btn-icon-small:hover:not(:disabled){background-color:var(--primary);color:#fff;border-color:var(--primary);transform:scale(1.05)}.card{background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:0 1px 3px var(--shadow);margin-bottom:var(--spacing-lg)}input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{font-family:var(--font-sans);font-size:1rem;padding:var(--spacing-md);border:2px solid var(--border);border-radius:var(--radius-md);width:100%;transition:border-color var(--transition-fast);min-height:44px;background-color:var(--bg-primary);color:var(--text-primary)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #667eea26}input:disabled,select:disabled,textarea:disabled{opacity:.6;cursor:not-allowed;background-color:var(--bg-secondary)}select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;padding-right:3rem}.progress-bar{width:100%;height:12px;background-color:var(--bg-tertiary);border-radius:var(--radius-xl);overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));transition:width var(--transition-slow)}.badge{display:inline-block;padding:var(--spacing-xs) var(--spacing-sm);font-size:.875rem;font-weight:500;border-radius:var(--radius-sm);background-color:var(--bg-tertiary);color:var(--text-secondary)}.badge-success{background-color:#10b9811a;color:var(--secondary)}.badge-danger{background-color:#ef44441a;color:var(--danger)}.badge-primary{background-color:#4f46e51a;color:var(--primary)}.container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg)}.container-narrow{max-width:800px;margin:0 auto;padding:var(--spacing-lg)}.text-center{text-align:center}.text-muted{color:var(--text-secondary)}.mb-lg{margin-bottom:var(--spacing-lg)}.mt-lg{margin-top:var(--spacing-lg)}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-md{gap:var(--spacing-md)}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.page-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem}.page-header h1{margin:0;flex:1}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-weight:600;margin-bottom:.5rem;color:var(--text-primary);font-size:.9375rem}.form-control{width:100%}.empty-state{text-align:center;padding:4rem 2rem}.empty-state svg{color:var(--text-light);margin-bottom:1.5rem}.empty-state h2{color:var(--text-primary);font-size:1.5rem;margin-bottom:.5rem}.empty-state p{color:var(--text-secondary);font-size:1.125rem;margin-bottom:2rem}@media (max-width: 768px){html{font-size:14px}.container,.container-narrow{padding:var(--spacing-md)}h1{font-size:1.875rem}h2{font-size:1.5rem}.card{padding:var(--spacing-lg)}}*:focus-visible{outline:2px solid var(--primary);outline-offset:2px}