*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--secondary-color: #8b5cf6;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--bg-color: #f9fafb;--card-bg: #ffffff;--text-primary: #111827;--text-secondary: #6b7280;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{background:var(--card-bg);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000;padding:1rem 0}.navbar 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.2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--secondary-color);color:#fff}.btn-secondary:hover:not(:disabled){background:#7c3aed;transform:translateY(-1px)}.btn-outline{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover:not(:disabled){background:var(--primary-color);color:#fff}.btn-large{padding:.875rem 2rem;font-size:1rem}.btn-block{width:100%}.btn-icon{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;border-radius:6px;transition:all 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ease}.translation-card{background:var(--card-bg);border-radius:16px;box-shadow:var(--shadow-lg);padding:2rem;margin-bottom:3rem;animation:fadeInUp .5s ease}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.card-header h2{display:flex;align-items:center;gap:.5rem;font-size:1.5rem;color:var(--text-primary)}.usage-stats{display:flex;flex-direction:column;gap:.5rem;min-width:200px}.usage-stats span{font-size:.875rem;color:var(--text-secondary)}.usage-bar{width:100%;height:8px;background:var(--bg-color);border-radius:4px;overflow:hidden}.usage-progress{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transition:width .3s ease}.translation-container{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}.translation-box{display:flex;flex-direction:column;border:1px solid var(--border-color);border-radius:12px;overflow:hidden;transition:all .3s ease}.translation-box:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.box-header{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:var(--bg-color);border-bottom:1px solid var(--border-color)}.lang-select{flex:1;padding:.5rem;border:none;background:#fff;border-radius:6px;font-size:.9rem;cursor:pointer;font-weight:500;color:var(--text-primary)}.lang-select:focus{outline:2px solid var(--primary-color)}.translation-textarea{flex:1;padding:1rem;border:none;resize:none;font-size:1rem;font-family:inherit;color:var(--text-primary);background:#fff}.translation-textarea:focus{outline:none}.translation-textarea::placeholder{color:var(--text-secondary)}.box-footer{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:var(--bg-color);border-top:1px solid var(--border-color)}.char-count{font-size:.875rem;color:var(--text-secondary)}.card-footer{display:flex;justify-content:center;align-items:center;gap:1rem}.pricing-section{animation:fadeInUp .5s ease}.section-title{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--text-primary)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:3rem}.pricing-card{background:var(--card-bg);border:2px solid var(--border-color);border-radius:16px;padding:2rem;position:relative;transition:all .3s ease;animation:fadeInUp .5s ease}.pricing-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl)}.pricing-card.featured{border-color:var(--primary-color);box-shadow:var(--shadow-lg)}.plan-badge-top{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--primary-color);color:#fff;padding:.25rem 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ease}.dashboard-card h3{font-size:1.25rem;margin-bottom:1rem;color:var(--text-secondary)}.stat-value{font-size:3rem;font-weight:700;color:var(--primary-color);margin-bottom:.5rem}.stat-label{font-size:.95rem;color:var(--text-secondary);margin-bottom:1rem}.usage-bar-large{width:100%;height:12px;background:var(--bg-color);border-radius:6px;overflow:hidden}.usage-progress-large{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transition:width .3s ease}.plan-display{font-size:2rem;font-weight:700;color:var(--primary-color);margin-bottom:1.5rem}.account-info{display:flex;flex-direction:column;gap:1rem}.account-info p{display:flex;flex-direction:column;gap:.25rem}.account-info strong{color:var(--text-secondary);font-size:.875rem}.api-key code{background:var(--bg-color);padding:.5rem;border-radius:4px;font-family:Courier New,monospace;font-size:.875rem;word-break:break-all}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}.empty-state i{font-size:4rem;margin-bottom:1rem;opacity:.5}.empty-state h3{font-size:1.5rem}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--card-bg);border-radius:16px;padding:2rem;max-width:450px;width:90%;position:relative;box-shadow:var(--shadow-xl);animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:2rem;color:var(--text-secondary);cursor:pointer;transition:color .2s;line-height:1}.modal-close:hover{color:var(--text-primary)}.modal-content h2{margin-bottom:1.5rem;color:var(--text-primary)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-primary);font-weight:500}.form-group input{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;transition:all .2s}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.modal-footer{text-align:center;margin-top:1.5rem;color:var(--text-secondary)}.link-button{background:none;border:none;color:var(--primary-color);cursor:pointer;font-weight:500;text-decoration:underline}.link-button:hover{color:var(--primary-dark)}.toast-container{position:fixed;bottom:2rem;right:2rem;z-index:3000;display:flex;flex-direction:column;gap:1rem}.toast{background:var(--card-bg);border-radius:8px;padding:1rem 1.5rem;box-shadow:var(--shadow-xl);display:flex;align-items:center;justify-content:space-between;gap:1rem;min-width:300px;max-width:500px;animation:slideInRight .3s ease;border-left:4px solid}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.toast-success{border-color:var(--success-color)}.toast-error{border-color:var(--error-color)}.toast-warning{border-color:var(--warning-color)}.toast-info{border-color:var(--primary-color)}.toast-content{display:flex;align-items:center;gap:.75rem;flex:1}.toast-success i{color:var(--success-color)}.toast-error i{color:var(--error-color)}.toast-warning i{color:var(--warning-color)}.toast-info i{color:var(--primary-color)}.toast-close{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;transition:color .2s;line-height:1}.toast-close:hover{color:var(--text-primary)}@media (max-width: 768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.translation-container,.pricing-grid,.dashboard-grid{grid-template-columns:1fr}.nav-menu{flex-wrap:wrap;gap:.5rem}.card-header{flex-direction:column;align-items:flex-start}.usage-stats{width:100%}.toast-container{right:1rem;left:1rem;bottom:1rem}.toast{min-width:0}}.site-footer{background:var(--card-bg);border-top:1px solid var(--border-color);padding:3rem 0 2rem;margin-top:3rem}.footer-container{display:flex;flex-direction:column;gap:2rem}.footer-brand{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;color:var(--primary-color)}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}.footer-col h4{margin-bottom:.75rem;color:var(--text-primary)}.footer-col p{color:var(--text-secondary);margin:.35rem 0;display:flex;align-items:center;gap:.5rem}.footer-col a{color:var(--text-primary);text-decoration:none}.footer-col a:hover{color:var(--primary-color)}.footer-bottom{border-top:1px solid var(--border-color);padding-top:1rem;color:var(--text-secondary);font-size:.9rem}