*{margin:0;padding:0;box-sizing:border-box}:root{--primary-dark: #343434;--primary-light: #F3F3F3;--bg-dark: #1a1a1a;--card-dark: #2a2a2a;--text-light: #f0f0f0;--text-muted: #b0b0b0;--border-dark: #404040}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--bg-dark);color:var(--text-light);min-height:100vh}.upload-area{border-color:var(--border-dark)!important;background-color:var(--card-dark)!important;transition:all .3s ease}.upload-area:hover{background-color:#333!important;border-color:#555!important}.btn-primary{background:var(--primary-light)!important;color:var(--primary-dark)!important;box-shadow:0 4px 12px #f3f3f333!important}.btn-primary:hover:not(:disabled){background:#e8e8e8!important;transform:translateY(-1px)!important}.card-container{background:var(--card-dark)!important;box-shadow:0 8px 32px #0000004d!important;border:1px solid var(--border-dark)!important}.info-box{background-color:#333!important;border:1px solid var(--border-dark)!important}.loading-area{background:var(--card-dark)!important;border:1px solid var(--border-dark)!important}@media (max-width: 768px){.layout-container{flex-direction:column!important}.info-box{width:100%!important;order:2}.main-content{order:1}}@media (max-width: 400px){.mobile-padding{padding:15px!important}.mobile-card-padding{padding:20px!important}}.mobile-padding{padding:20px}.main-container{display:flex;gap:30px;max-width:1200px;margin:0 auto;flex-direction:row}@media (max-width: 768px){.main-container{flex-direction:column}}.card-container{border-radius:12px;padding:40px;flex:1;text-align:center}.main-title{font-size:2rem;margin-bottom:10px;font-weight:700;color:#f0f0f0}.subtitle{color:#b0b0b0;margin-bottom:30px;font-size:.95rem;line-height:1.4}.upload-form{margin-bottom:30px}.upload-area{border:2px dashed;border-radius:12px;padding:40px;margin-bottom:30px;cursor:pointer;position:relative}.file-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.upload-content{pointer-events:none}.upload-icon{font-size:2.5rem;margin-bottom:15px}.upload-text{font-size:1.1rem;font-weight:600;margin-bottom:8px}.upload-text.has-file{color:#f0f0f0}.upload-text.no-file{color:#b0b0b0}.upload-subtext{font-size:.85rem;color:#888}.submit-button{border:none;border-radius:8px;padding:16px 32px;font-size:1rem;font-weight:600;transition:all .3s ease}.submit-button.disabled{background:#555;color:#ccc;cursor:not-allowed}.submit-button.enabled{cursor:pointer}.button-icon{margin-right:10px}.loading-area{border-radius:12px;padding:30px;margin-top:30px}.loading-content{display:flex;align-items:center;justify-content:center;gap:15px;margin-bottom:20px}.loading-spinner{width:24px;height:24px;border:3px solid #f3f3f3;border-top:3px solid #343434;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{font-size:1.05rem;color:#f0f0f0;font-weight:600}.loading-description{font-size:.9rem;color:#b0b0b0;line-height:1.5}.info-box{padding:30px;border-radius:12px;font-size:1rem;width:350px;height:fit-content}@media (max-width: 768px){.info-box{width:100%}}.info-title{font-weight:700;margin-bottom:15px;color:#f0f0f0;font-size:1rem}.info-content{text-align:left;line-height:1.6;color:#b0b0b0;font-size:.9rem}.attribution{margin-top:25px;padding-top:20px;border-top:1px solid #333}.attribution-title{font-weight:600;margin-bottom:12px;color:#f0f0f0;font-size:.9rem}.attribution-links{display:flex;flex-direction:column;gap:8px}.attribution-link{color:#6b9eff;text-decoration:none;font-size:.85rem;transition:color .3s ease}.attribution-link:hover{color:#8fb3ff;text-decoration:underline}