@tailwind base;@tailwind components;@tailwind utilities;:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--error-color: #dc2626;--success-color: #10b981;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-light: #f9fafb;--border-color: #e5e7eb;--border-radius: 8px;--transition: all .2s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body{background-color:#f3f4f6;color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{max-width:640px;margin:0 auto;padding:2rem 1rem;min-height:100vh;display:flex;flex-direction:column}h1{font-size:1.875rem;font-weight:700;color:#111827;margin-bottom:2rem;text-align:center}.upload-form{display:flex;flex-direction:column;gap:1.5rem;flex:1;width:100%;max-width:100%;padding:0;background:transparent;box-shadow:none}.file-input-container,.file-upload-container{width:100%;margin-bottom:1.5rem}.file-input-wrapper{position:relative;width:100%}.file-input{position:absolute;width:.1px;height:.1px;opacity:0;overflow:hidden;z-index:-1}.file-label{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;padding:2.5rem 1.5rem;background-color:#fff;border:2px dashed var(--border-color);border-radius:var(--border-radius);transition:var(--transition);cursor:pointer;text-align:center}.file-label:hover,.file-input:focus+.file-label{border-color:var(--primary-color);background-color:#f8fafc}.file-label.disabled{opacity:.7;cursor:not-allowed;background-color:#f9fafb}.file-upload-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;color:var(--primary-color);margin-bottom:1rem}.file-upload-icon svg{width:100%;height:100%}.file-upload-text{text-align:center}.file-upload-title{font-size:1.125rem;font-weight:500;color:var(--text-primary);margin-bottom:.25rem;word-break:break-all;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-upload-subtitle{font-size:.875rem;color:var(--text-secondary)}.file-preview{margin-top:1.5rem;background:#fff;border-radius:var(--border-radius);border:1px solid var(--border-color);overflow:hidden}.file-info{display:flex;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--border-color)}.file-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;color:var(--primary-color);margin-right:1rem;flex-shrink:0}.file-icon svg{width:24px;height:24px}.file-details{flex:1;min-width:0}.file-name{font-weight:500;margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{font-size:.75rem;color:var(--text-secondary)}.upload-progress{position:relative;height:6px;background-color:#e5e7eb;overflow:hidden}.progress-bar{position:absolute;top:0;left:0;height:100%;background-color:var(--primary-color);transition:width .3s ease}.progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.75rem;font-weight:500;color:#fff;text-shadow:0 0 2px rgba(0,0,0,.5);white-space:nowrap}.upload-error{display:flex;align-items:center;padding:.75rem 1.25rem;background-color:#fef2f2;color:var(--error-color);font-size:.875rem;border-top:1px solid #fecaca}.error-icon{width:1rem;height:1rem;margin-right:.5rem;flex-shrink:0}.upload-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.upload-button,.cancel-button{padding:.625rem 1.25rem;border-radius:6px;font-weight:500;font-size:.9375rem;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;border:none}.upload-button{background-color:var(--primary-color);color:#fff;min-width:140px;padding:.75rem 2rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;height:48px;width:100%;margin-top:.5rem}.upload-button:not(.disabled):hover{background-color:var(--primary-hover)}.upload-button.disabled,.upload-button:disabled{background-color:#9ca3af;cursor:not-allowed;opacity:.8}.cancel-button{background-color:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.cancel-button:not(:disabled):hover{background-color:#f3f4f6;color:var(--text-primary)}.cancel-button:disabled{opacity:.6;cursor:not-allowed}.spinner{animation:rotate 1s linear infinite;width:1.25rem;height:1.25rem;margin-right:.5rem}.spinner .path{stroke:currentColor;stroke-linecap:round;animation:dash 1.5s ease-in-out infinite;stroke-width:4}@keyframes rotate{to{transform:rotate(360deg)}}@keyframes dash{0%{stroke-dasharray:1,150;stroke-dashoffset:0}50%{stroke-dasharray:90,150;stroke-dashoffset:-35}to{stroke-dasharray:90,150;stroke-dashoffset:-124}}@media (max-width: 480px){.app{padding:1.5rem 1rem}h1{font-size:1.5rem;margin-bottom:1.5rem}.file-label{min-height:160px;padding:1.5rem 1rem}.upload-actions{flex-direction:column;gap:.75rem}.upload-button,.cancel-button{width:100%;padding:.75rem}}.file-label:hover{background-color:#e9ecef;border-color:#adb5bd}.chat-container{display:flex;flex-direction:column;height:100vh;max-width:100%;margin:0 auto;background:#fff;box-shadow:0 2px 10px #0000001a;overflow:hidden;position:fixed;inset:0}.chat-header{padding:1rem 1.5rem;background:#4d6cf6;color:#fff;display:flex;align-items:center;gap:1rem;box-shadow:0 2px 5px #0000001a}.back-button{background:#fff3;border:none;color:#fff;padding:.5rem 1rem;border-radius:20px;cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:.5rem;transition:background .2s}.back-button:hover{background:#ffffff4d}.chat-header h2{margin:0;font-size:1.2rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.messages-container{flex:1;padding:1.5rem 1.5rem 1rem;overflow-y:auto;display:flex;flex-direction:column;gap:1rem;background:#f8f9fa;margin-bottom:72px}.message{max-width:80%;padding:.75rem 1.25rem;border-radius:1rem;line-height:1.4;position:relative;animation:fadeIn .3s ease;word-wrap:break-word}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;background:#4d6cf6;color:#fff;border-bottom-right-radius:.25rem}.message.bot{align-self:flex-start;background:#fff;color:#2d3748;border:1px solid #e2e8f0;border-bottom-left-radius:.25rem;box-shadow:0 1px 2px #0000000d}.typing-indicator{display:flex;gap:.5rem;align-items:center;color:#718096}.typing-indicator:after{content:"...";display:inline-block;width:1.5em;overflow:hidden;vertical-align:bottom;animation:typing 1.5s steps(3,end) infinite}@keyframes typing{0%{width:0}to{width:1.5em}}.chat-input-container{display:flex;padding:1rem;background:#fff;border-top:1px solid #e2e8f0;gap:.5rem;position:fixed;bottom:0;left:0;right:0;z-index:10;box-shadow:0 -2px 10px #0000000d}.chat-input{flex:1;padding:.75rem 1rem;border:1px solid #e2e8f0;border-radius:8px;font-size:1rem;outline:none;transition:border-color .2s}.chat-input:focus{border-color:#4d6cf6;box-shadow:0 0 0 2px #4d6cf633}.send-button{padding:0 1.5rem;background:#4d6cf6;color:#fff;border:none;border-radius:8px;font-weight:500;cursor:pointer;transition:background .2s}.send-button:hover:not(:disabled){background:#3a5bd9}.send-button:disabled{background:#cbd5e0;cursor:not-allowed}