:root{--color-bg-primary: #0f0f1a;--color-bg-secondary: #1a1a2e;--color-bg-tertiary: #252541;--color-bg-chat: #16162a;--color-accent-primary: #6366f1;--color-accent-secondary: #8b5cf6;--color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-message-user: var(--color-accent-gradient);--color-message-agent: #252541;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .3), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .4), 0 4px 6px -4px rgb(0 0 0 / .3);--shadow-glow: 0 0 40px rgba(99, 102, 241, .3);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}.app{display:flex;flex-direction:column;min-height:100vh;background:var(--color-bg-primary)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-4) var(--spacing-6);background:#1a1a2ecc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.05);position:sticky;top:0;z-index:100}.logo{display:flex;align-items:center;gap:var(--spacing-3)}.logo-icon{width:40px;height:40px;background:var(--color-accent-gradient);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xl)}.logo-text{font-size:var(--font-size-lg);font-weight:600;background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.progress-container{position:sticky;top:73px;z-index:99;padding:var(--spacing-2) var(--spacing-6);background:#1a1a2ef2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.05);display:flex;align-items:center;gap:var(--spacing-4)}.progress-header{display:flex;align-items:center;gap:var(--spacing-3);white-space:nowrap}.progress-section{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.progress-percent{font-size:var(--font-size-xs);font-weight:600;color:var(--color-accent-primary)}.progress-bar{flex:1;height:4px;background:var(--color-bg-tertiary);border-radius:var(--radius-full);overflow:hidden;min-width:100px}.progress-fill{height:100%;background:var(--color-accent-gradient);border-radius:var(--radius-full);transition:width var(--transition-slow)}.chat-container{flex:1;display:flex;flex-direction:column;max-width:800px;margin:0 auto;width:100%;padding:var(--spacing-4)}.chat-messages{flex:1;overflow-y:auto;padding:var(--spacing-4);display:flex;flex-direction:column;gap:var(--spacing-4)}.message{display:flex;gap:var(--spacing-3);max-width:85%;animation:messageSlideIn .3s ease-out}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.agent{align-self:flex-start}.message-avatar{width:36px;height:36px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);flex-shrink:0}.message.agent .message-avatar{background:var(--color-accent-gradient)}.message.user .message-avatar{background:var(--color-bg-tertiary);border:2px solid var(--color-accent-primary)}.message-content{padding:var(--spacing-4);border-radius:var(--radius-xl);font-size:var(--font-size-base);line-height:1.5;white-space:pre-wrap}.message.agent .message-content{background:var(--color-message-agent);border-bottom-left-radius:var(--radius-sm)}.message.user .message-content{background:var(--color-accent-gradient);border-bottom-right-radius:var(--radius-sm)}.suggested-replies{display:flex;flex-wrap:wrap;gap:var(--spacing-2);padding:var(--spacing-2) 0;margin-left:48px;animation:fadeIn .3s ease-out .2s both}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.suggested-chip{padding:var(--spacing-2) var(--spacing-4);background:transparent;border:1px solid var(--color-accent-primary);border-radius:var(--radius-full);color:var(--color-accent-primary);font-size:var(--font-size-sm);font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.suggested-chip:hover{background:var(--color-accent-primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}.chat-input-container{padding:var(--spacing-4) var(--spacing-6);background:var(--color-bg-secondary);border-top:1px solid rgba(255,255,255,.05)}.chat-input-wrapper{display:flex;gap:var(--spacing-3);max-width:800px;margin:0 auto;background:var(--color-bg-tertiary);border-radius:var(--radius-xl);padding:var(--spacing-2);border:1px solid rgba(255,255,255,.1);transition:border-color var(--transition-fast)}.chat-input-wrapper:focus-within{border-color:var(--color-accent-primary);box-shadow:var(--shadow-glow)}.chat-input{flex:1;background:transparent;border:none;color:var(--color-text-primary);font-size:var(--font-size-base);padding:var(--spacing-3);font-family:inherit;resize:none}.chat-input::placeholder{color:var(--color-text-muted)}.chat-input:focus{outline:none}.send-button{width:44px;height:44px;background:var(--color-accent-gradient);border:none;border-radius:var(--radius-lg);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.send-button:hover:not(:disabled){transform:scale(1.05);box-shadow:var(--shadow-md)}.send-button:disabled{opacity:.5;cursor:not-allowed}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.modal{background:var(--color-bg-secondary);border-radius:var(--radius-xl);max-width:600px;width:90%;max-height:80vh;overflow:hidden;box-shadow:var(--shadow-lg);animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.95) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{padding:var(--spacing-5) var(--spacing-6);border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center}.modal-title{font-size:var(--font-size-lg);font-weight:600}.modal-close{background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;font-size:var(--font-size-xl);padding:var(--spacing-2);transition:color var(--transition-fast)}.modal-close:hover{color:var(--color-text-primary)}.modal-body{padding:var(--spacing-6);overflow-y:auto;max-height:50vh;font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.7}.modal-body h4{color:var(--color-text-primary);margin-top:var(--spacing-4);margin-bottom:var(--spacing-2)}.modal-body ul{padding-left:var(--spacing-5)}.modal-footer{padding:var(--spacing-4) var(--spacing-6);border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:flex-end;gap:var(--spacing-3)}.btn{padding:var(--spacing-3) var(--spacing-6);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:all var(--transition-fast);border:none}.btn-primary{background:var(--color-accent-gradient);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:var(--color-bg-primary)}.typing-indicator{display:flex;gap:4px;padding:var(--spacing-4);background:var(--color-message-agent);border-radius:var(--radius-xl);border-bottom-left-radius:var(--radius-sm);width:fit-content}.typing-dot{width:8px;height:8px;background:var(--color-text-muted);border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out}.typing-dot:nth-child(1){animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-8px)}}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-8);text-align:center}.welcome-icon{width:80px;height:80px;background:var(--color-accent-gradient);border-radius:var(--radius-2xl);display:flex;align-items:center;justify-content:center;font-size:40px;margin-bottom:var(--spacing-6);box-shadow:var(--shadow-glow)}.welcome-title{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-3);background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-subtitle{color:var(--color-text-secondary);font-size:var(--font-size-base);max-width:400px;margin-bottom:var(--spacing-8)}.start-button{padding:var(--spacing-4) var(--spacing-8);background:var(--color-accent-gradient);border:none;border-radius:var(--radius-full);color:#fff;font-size:var(--font-size-lg);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.start-button:hover{transform:scale(1.05);box-shadow:var(--shadow-glow)}.signature-pad-container{border:2px dashed var(--color-accent-primary);border-radius:var(--radius-lg);padding:var(--spacing-4);background:var(--color-bg-tertiary)}.signature-pad{width:100%;height:150px;background:#fff;border-radius:var(--radius-md);cursor:crosshair}.signature-actions{display:flex;justify-content:flex-end;gap:var(--spacing-2);margin-top:var(--spacing-3)}@media(max-width:640px){.app-header{padding:var(--spacing-3) var(--spacing-4)}.chat-container{padding:var(--spacing-2)}.message{max-width:95%}.suggested-replies{margin-left:0}.modal{width:95%;max-height:90vh}}