@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #1a1a2e;--primary-color-dark: #0f1419;--primary-color-light: rgba(26, 26, 46, .1);--secondary-color: #16213e;--accent-color: #0f3460;--highlight-color: #e94560;--success-color: #4ade80;--warning-color: #fbbf24;--error-color: #f87171;--text-primary: #ffffff;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--background-primary: #0f172a;--background-secondary: #1e293b;--background-card: #334155;--surface-color: #1e293b;--border-color: #475569;--border-radius: .5rem;--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);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--spacing-unit: 8px}body{font-family:Inter,sans-serif;background:linear-gradient(135deg,var(--background-primary) 0%,var(--primary-color) 100%);color:var(--text-primary);line-height:1.6;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 calc(var(--spacing-unit) * 3)}.app-header{background:#0f172acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);padding:calc(var(--spacing-unit) * 2) 0;position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:calc(var(--spacing-unit) * 2);font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none;cursor:pointer}.nav-tabs{background:var(--background-secondary);border-radius:var(--radius-lg);margin:calc(var(--spacing-unit) * 3) 0}.nav-tab{padding:calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);background:transparent;color:var(--text-secondary);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .3s ease;font-weight:500;white-space:nowrap;font-size:.875rem}.nav-tab:hover{background:var(--background-card);color:var(--text-primary);transform:translateY(-2px)}.nav-tab.active{background:var(--accent-color);color:var(--text-primary);box-shadow:var(--shadow-md)}.main-content{padding:calc(var(--spacing-unit) * 3) 0;min-height:calc(100vh - 120px)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:calc(var(--spacing-unit) * 3);margin-top:calc(var(--spacing-unit) * 3)}.card{background:var(--background-card);border-radius:var(--radius-lg);padding:calc(var(--spacing-unit) * 3);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-color),var(--highlight-color));transform:scaleX(0);transition:transform .3s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.card:hover:before{transform:scaleX(1)}.card-header{display:flex;align-items:center;gap:calc(var(--spacing-unit) * 2);margin-bottom:calc(var(--spacing-unit) * 3)}.card-icon{width:40px;height:40px;background:var(--accent-color);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-primary)}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0}.form-group{margin-bottom:calc(var(--spacing-unit) * 3)}.form-label{display:block;margin-bottom:calc(var(--spacing-unit) * 1);font-weight:500;color:var(--text-secondary);font-size:.875rem}.form-input,.form-textarea,.form-select{width:100%;padding:calc(var(--spacing-unit) * 1.5);background:var(--background-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;transition:all .3s ease}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #0f34601a}.form-textarea{resize:vertical;min-height:100px}.btn{display:inline-flex;align-items:center;gap:calc(var(--spacing-unit) * 1);padding:calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);background:var(--accent-color);color:var(--text-primary);border:none;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .3s ease;font-size:.875rem;text-decoration:none}.btn:hover{background:#1e40af;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:var(--background-secondary);color:var(--text-secondary)}.btn-secondary:hover{background:var(--background-card);color:var(--text-primary)}.btn-danger{background:var(--error-color)}.btn-danger:hover{background:#dc2626}.result-container{margin-top:calc(var(--spacing-unit) * 3);padding:calc(var(--spacing-unit) * 3);background:var(--background-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color)}.result-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:calc(var(--spacing-unit) * 2)}.result-text{color:var(--text-secondary);line-height:1.6;white-space:pre-wrap}.loading-spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border-color);border-radius:50%;border-top-color:var(--accent-color);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-message{background:#f871711a;border:1px solid var(--error-color);color:var(--error-color);padding:calc(var(--spacing-unit) * 2);border-radius:var(--radius-md);margin-bottom:calc(var(--spacing-unit) * 2)}.success-message{background:#4ade801a;border:1px solid var(--success-color);color:var(--success-color);padding:calc(var(--spacing-unit) * 2);border-radius:var(--radius-md);margin-bottom:calc(var(--spacing-unit) * 2)}.chat-container{height:400px;overflow-y:auto;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:calc(var(--spacing-unit) * 2);background:var(--background-secondary);margin-bottom:calc(var(--spacing-unit) * 2)}.chat-message{margin-bottom:calc(var(--spacing-unit) * 2);padding:calc(var(--spacing-unit) * 2);border-radius:var(--radius-md);animation:slideIn .3s ease-out}.chat-message.user{background:var(--accent-color);margin-left:calc(var(--spacing-unit) * 6);color:var(--text-primary)}.chat-message.assistant{background:var(--background-card);margin-right:calc(var(--spacing-unit) * 6);border:1px solid var(--border-color)}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.progress-bar{width:100%;height:4px;background:var(--background-secondary);border-radius:2px;overflow:hidden;margin:calc(var(--spacing-unit) * 2) 0}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-color),var(--highlight-color));transition:width .3s ease}.sentiment-indicator{display:inline-flex;align-items:center;gap:calc(var(--spacing-unit) * 1);padding:calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);border-radius:var(--radius-md);font-weight:500;font-size:.875rem}.sentiment-positive{background:#4ade8033;color:var(--success-color);border:1px solid var(--success-color)}.sentiment-negative{background:#f8717133;color:var(--error-color);border:1px solid var(--error-color)}.sentiment-neutral{background:#9ca3af33;color:var(--text-secondary);border:1px solid var(--border-color)}.code-block{background:#1e1e1e;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:calc(var(--spacing-unit) * 2);font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;overflow-x:auto;position:relative}.copy-button{position:absolute;top:calc(var(--spacing-unit) * 1);right:calc(var(--spacing-unit) * 1);background:var(--background-card);border:1px solid var(--border-color);color:var(--text-secondary);padding:calc(var(--spacing-unit) * 1);border-radius:var(--radius-sm);cursor:pointer;transition:all .3s ease}.copy-button:hover{background:var(--accent-color);color:var(--text-primary)}@media (max-width: 768px){.container{padding:0 calc(var(--spacing-unit) * 2)}.feature-grid{grid-template-columns:1fr}.nav-tabs{gap:calc(var(--spacing-unit) * .5)}.nav-tab{padding:calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);font-size:.8rem}.chat-message.user{margin-left:calc(var(--spacing-unit) * 2)}.chat-message.assistant{margin-right:calc(var(--spacing-unit) * 2)}}@media (max-width: 480px){.header-content{flex-direction:column;gap:calc(var(--spacing-unit) * 2)}.logo{font-size:1.25rem}.card{padding:calc(var(--spacing-unit) * 2)}.nav-tabs{margin:calc(var(--spacing-unit) * 2) 0}}.fade-in{animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.95) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}.input-field{width:100%;padding:calc(var(--spacing-unit) * 1.5);background:var(--background-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;transition:all .3s ease}.input-field:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #0f34601a}.button-primary{display:inline-flex;align-items:center;gap:calc(var(--spacing-unit) * 1);padding:calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);background:var(--accent-color);color:var(--text-primary);border:none;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .3s ease;font-size:.875rem;text-decoration:none}.button-primary:hover{background:#1e40af;transform:translateY(-2px);box-shadow:var(--shadow-md)}.button-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.button-secondary{display:inline-flex;align-items:center;gap:calc(var(--spacing-unit) * 1);padding:calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);background:var(--background-secondary);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .3s ease;font-size:.875rem;text-decoration:none}.button-secondary:hover{background:var(--background-card);color:var(--text-primary);border-color:var(--accent-color)}.button-secondary:disabled{opacity:.6;cursor:not-allowed;transform:none}.surface-color{background:var(--background-secondary)}.border-radius{border-radius:var(--radius-md)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-container{position:relative;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;border-radius:12px;box-shadow:0 20px 50px #0000004d;animation:modalSlideIn .3s ease-out}.modal-card{margin:0;border-radius:12px;overflow:hidden}.modal-header{position:relative;background:linear-gradient(135deg,var(--primary-color),var(--primary-color-dark))}.modal-header .card-title{color:#fff}.modal-close-button{position:absolute;top:calc(var(--spacing-unit) * 2);right:calc(var(--spacing-unit) * 2);background:#fff3;border:none;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;transition:background-color .2s ease}.modal-close-button:hover{background-color:#ffffff4d}.modal-content{padding:calc(var(--spacing-unit) * 4)}.content-layout{display:flex;flex-direction:column;gap:calc(var(--spacing-unit) * 3)}.header-status{font-size:.875rem;display:flex;align-items:center;gap:calc(var(--spacing-unit) * 1);cursor:pointer;padding:calc(var(--spacing-unit) * 1);border-radius:var(--border-radius);transition:background-color .2s ease}.header-status:hover{background-color:#ffffff1a}.status-indicator{width:8px;height:8px;border-radius:50%}.status-connected{color:var(--success-color)}.status-error{color:var(--error-color)}.status-connected .status-indicator{background:var(--success-color)}.status-error .status-indicator{background:var(--error-color)}.connection-status{padding:calc(var(--spacing-unit) * 3);border-radius:12px;display:flex;align-items:center;gap:calc(var(--spacing-unit) * 2);box-shadow:0 4px 12px #0000001a;border:2px solid}.connection-status.connected{background-color:#22c55e1a;border-color:#22c55e4d}.connection-status.disconnected{background-color:#ef44441a;border-color:#ef44444d}.connection-status-title{font-weight:600}.connection-status-subtitle{font-size:.875rem;opacity:.7}.form-section{margin-bottom:calc(var(--spacing-unit) * 3)}.form-label-enhanced{display:block;margin-bottom:calc(var(--spacing-unit) * 2);font-weight:600;font-size:1rem;color:var(--text-primary)}.form-row{display:flex;gap:calc(var(--spacing-unit) * 2)}.form-input-enhanced{flex:1;padding:calc(var(--spacing-unit) * 2);font-size:1rem;border-radius:8px;border:2px solid var(--border-color);transition:border-color .2s ease;background:var(--background-secondary);color:var(--text-primary)}.form-input-enhanced:focus{outline:none;border-color:var(--primary-color)}.button-enhanced{padding:calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);border-radius:8px;font-weight:600;font-size:1rem;transition:all .2s ease}.button-primary-enhanced{min-width:120px}.button-secondary-enhanced{align-self:flex-start;display:flex;align-items:center;gap:calc(var(--spacing-unit) * 1)}.select-enhanced{padding:calc(var(--spacing-unit) * 2);font-size:1rem;border-radius:8px;border:2px solid var(--border-color);background-color:var(--surface-color);color:var(--text-primary);transition:border-color .2s ease;width:100%}.select-enhanced:focus{outline:none;border-color:var(--primary-color)}.form-hint{font-size:.875rem;opacity:.7;margin-top:calc(var(--spacing-unit) * 1)}.spinning-icon{animation:spin 1s linear infinite}.language-switcher-dropdown{position:relative;display:inline-block}.language-icon{display:flex;align-items:center;gap:calc(var(--spacing-unit) * 1);cursor:pointer;padding:calc(var(--spacing-unit) * 1);border-radius:var(--radius-md);transition:all .2s ease;-webkit-user-select:none;user-select:none}.current-lang{font-size:.75rem;font-weight:600;color:var(--text-primary)}.language-icon:hover{background:var(--background-card);transform:scale(1.1)}.language-dropdown{position:absolute;top:100%;right:0;background:var(--background-secondary);border-radius:var(--radius-md);padding:calc(var(--spacing-unit) * .5);gap:calc(var(--spacing-unit) * .5);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s ease;z-index:1000;min-width:80px}.language-switcher-dropdown:hover .language-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.lang-btn{display:block;width:100%;padding:calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 1.5);background:transparent;color:var(--text-secondary);border:none;border-radius:calc(var(--radius-md) - 2px);cursor:pointer;transition:all .2s ease;font-weight:500;font-size:.75rem;text-align:center;margin-bottom:calc(var(--spacing-unit) * .5)}.lang-btn:last-child{margin-bottom:0}.lang-btn:hover{background:var(--background-card);color:var(--text-primary)}.lang-btn.active{background:var(--accent-color);color:var(--text-primary);box-shadow:0 2px 4px #0000001a}.model-display{display:flex;align-items:center;gap:calc(var(--spacing-unit) * 1);background:var(--background-secondary);padding:calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 1.5);border-radius:var(--radius-md);border:1px solid var(--border-color);cursor:pointer}.model-label{font-size:.75rem;color:var(--text-muted);font-weight:500}.model-name{font-size:.8rem;color:var(--text-primary);font-weight:600;font-family:monospace}.welcome-page{max-width:1000px;margin:0 auto;padding:calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 3)}.welcome-hero{text-align:center;margin-bottom:calc(var(--spacing-unit) * 6)}.welcome-hero-content{display:flex;flex-direction:column;align-items:center;gap:calc(var(--spacing-unit) * 3)}.welcome-logo{color:var(--accent-color);filter:drop-shadow(0 4px 8px rgba(15,52,96,.3))}.welcome-title{font-size:3rem;font-weight:700;background:linear-gradient(135deg,var(--text-primary),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0;line-height:1.2}.welcome-subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:600px;margin:0;line-height:1.5}.welcome-section-title{font-size:2rem;font-weight:600;color:var(--text-primary);text-align:center;margin-bottom:calc(var(--spacing-unit) * 4)}.welcome-features{margin-bottom:calc(var(--spacing-unit) * 8)}.welcome-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:calc(var(--spacing-unit) * 4)}.welcome-feature-card{background:var(--background-card);border-radius:var(--radius-lg);padding:calc(var(--spacing-unit) * 4);text-align:center;border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.welcome-feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-color),var(--highlight-color));transform:scaleX(0);transition:transform .3s ease}.welcome-feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.welcome-feature-card:hover:before{transform:scaleX(1)}.welcome-feature-icon{width:60px;height:60px;background:var(--accent-color);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin:0 auto calc(var(--spacing-unit) * 3);color:var(--text-primary)}.welcome-feature-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0 0 calc(var(--spacing-unit) * 2)}.welcome-feature-description{color:var(--text-secondary);line-height:1.6;margin:0}.welcome-getting-started{background:var(--background-secondary);border-radius:var(--radius-lg);padding:calc(var(--spacing-unit) * 6);border:1px solid var(--border-color)}.welcome-steps{display:flex;flex-direction:column;gap:calc(var(--spacing-unit) * 4)}.welcome-step{display:flex;align-items:flex-start;gap:calc(var(--spacing-unit) * 3)}.welcome-step-number{width:40px;height:40px;background:var(--accent-color);color:var(--text-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.125rem;flex-shrink:0}.welcome-step-content h4{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0 0 calc(var(--spacing-unit) * 1)}.welcome-step-content p{color:var(--text-secondary);line-height:1.6;margin:0}@media (max-width: 768px){.welcome-page{padding:calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 2)}.welcome-title{font-size:2.5rem}.welcome-subtitle{font-size:1.125rem}.welcome-section-title{font-size:1.75rem}.welcome-features-grid{grid-template-columns:1fr;gap:calc(var(--spacing-unit) * 3)}.welcome-getting-started{padding:calc(var(--spacing-unit) * 4)}.welcome-step{flex-direction:column;text-align:center;gap:calc(var(--spacing-unit) * 2)}.welcome-step-number{margin:0 auto}}@media (max-width: 480px){.welcome-title{font-size:2rem}.welcome-feature-card,.welcome-getting-started{padding:calc(var(--spacing-unit) * 3)}}