@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{font-family:Inter,sans-serif}body{margin:0;padding:0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);transition:all .3s ease}.app.dark{background:linear-gradient(135deg,#1a1a2e,#16213e)}.header{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:2rem;box-shadow:0 4px 30px #0000001a}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.title{font-size:2.5rem;font-weight:700;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.theme-toggle{background:#fff;border:none;border-radius:50%;width:50px;height:50px;font-size:1.5rem;cursor:pointer;transition:transform .3s ease;box-shadow:0 4px 15px #0003}.theme-toggle:hover{transform:scale(1.1)}.main-content{padding:3rem 2rem}.container{max-width:1200px;margin:0 auto}.upload-section{background:#fff;border-radius:20px;padding:3rem;box-shadow:0 20px 60px #0000004d;margin-bottom:2rem}.app.dark .upload-section{background:#0f0f23;color:#fff}.upload-box{border:3px dashed #667eea;border-radius:15px;padding:3rem;text-align:center;transition:all .3s ease;cursor:pointer}.upload-box:hover{border-color:#764ba2;background:#667eea0d}.file-input{display:none}.file-label{cursor:pointer}.upload-icon{font-size:4rem;margin-bottom:1rem}.upload-text{font-size:1.3rem;font-weight:600;color:#333;margin-bottom:.5rem}.app.dark .upload-text{color:#e5e7eb}.upload-hint{color:#6b7280;font-size:.95rem}.process-btn{width:100%;margin-top:2rem;padding:1.2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.process-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.process-btn:disabled{opacity:.6;cursor:not-allowed}.progress-container{margin-top:2rem}.progress-bar{width:100%;height:12px;background:#e5e7eb;border-radius:10px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .3s ease;border-radius:10px}.progress-text{text-align:center;margin-top:.5rem;font-weight:600;color:#667eea}.results-section{background:#fff;border-radius:20px;padding:2rem;box-shadow:0 20px 60px #0000004d}.app.dark .results-section{background:#0f0f23}.tabs{display:flex;gap:1rem;margin-bottom:2rem;background:#f3f4f6;padding:.5rem;border-radius:12px}.app.dark .tabs{background:#1e293b}.tab{flex:1;padding:1rem;background:transparent;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;color:#6b7280}.tab.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.result-box{background:#f9fafb;border-radius:12px;padding:2rem}.app.dark .result-box{background:#1e293b}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.result-header h3{font-size:1.5rem;color:#333}.app.dark .result-header h3{color:#e5e7eb}.download-btn{padding:.7rem 1.5rem;background:#fff;color:#667eea;border:2px solid #667eea;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease}.download-btn:hover{background:#667eea;color:#fff}.result-text{background:#fff;padding:1.5rem;border-radius:8px;max-height:500px;overflow-y:auto;white-space:pre-wrap;line-height:1.8;color:#1f2937;font-size:1rem}.app.dark .result-text{background:#0f0f23;color:#e5e7eb}.footer{text-align:center;padding:2rem;color:#fff;font-size:.95rem}@media (max-width: 768px){.title{font-size:1.8rem}.upload-section{padding:2rem 1.5rem}.tabs{flex-direction:column}}.error-message{background:#fee;border:1px solid #fcc;border-radius:8px;padding:12px 16px;margin-top:16px;color:#c33;font-size:14px}.dark .error-message{background:#422;border-color:#844;color:#faa}