:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#0f172a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--primary: #3b82f6;--primary-hover: #2563eb;--secondary: #64748b;--accent: #8b5cf6;--background: #0f172a;--card: #1e293b;--border: #334155;--text: #f8fafc;--text-muted: #94a3b8;--success: #10b981}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background:radial-gradient(circle at top left,#1e1b4b,#0f172a)}#app{width:100%;max-width:1200px;margin:0 auto;padding:2rem;text-align:center}.container{display:flex;flex-direction:column;gap:2rem;animation:fadeIn .8s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}h1{font-family:Outfit,sans-serif;font-size:3.5rem;margin-bottom:.5rem;background:linear-gradient(to right,#60a5fa,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}.subtitle{color:var(--text-muted);font-size:1.2rem;margin-bottom:3rem}.upload-card{background:#1e293b80;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:2px dashed var(--border);border-radius:1.5rem;padding:4rem 2rem;transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}.upload-card:hover{border-color:var(--primary);background:#1e293bcc;transform:scale(1.01)}.upload-card.dragging{border-color:var(--success);background:#10b9811a}.upload-icon{width:64px;height:64px;color:var(--primary);margin-bottom:1.5rem}.upload-text h3{font-size:1.5rem;margin-bottom:.5rem;color:var(--text)}.upload-text p{color:var(--text-muted)}.file-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-top:2rem;text-align:left}.file-item{background:var(--card);border:1px solid var(--border);border-radius:.75rem;padding:1rem;display:flex;align-items:center;gap:1rem;animation:slideIn .3s ease-out forwards}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.file-info{flex:1;min-width:0}.file-name{display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-status{font-size:.85rem;color:var(--text-muted)}.file-status.loading{color:var(--primary)}.file-status.success{color:var(--success)}.file-status.error{color:#ef4444}.actions{display:flex;justify-content:center;gap:1rem;margin-top:2rem}.btn{padding:.75rem 2rem;border-radius:.75rem;font-weight:600;cursor:pointer;transition:all .2s;border:none;font-family:inherit;display:flex;align-items:center;gap:.5rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 4px 15px #3b82f666}.btn-secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1)}.progress-container{width:100%;background:var(--border);height:6px;border-radius:3px;overflow:hidden;margin-top:.5rem}.progress-bar{height:100%;background:var(--primary);width:0%;transition:width .3s ease}.preview-section{margin-top:3rem;background:var(--card);border-radius:1rem;overflow:hidden;border:1px solid var(--border);text-align:left}.preview-header{padding:1.5rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th{background:#0f172a80;padding:1rem;font-weight:600;color:var(--text-muted);font-size:.9rem;text-transform:uppercase;letter-spacing:.05em}td{padding:1rem;border-bottom:1px solid var(--border);font-size:.95rem}tr:last-child td{border-bottom:none}tr:hover td{background:#ffffff05}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172acc;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:100;gap:1.5rem}.spinner{width:50px;height:50px;border:4px solid rgba(59,130,246,.1);border-left-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-info{display:flex;flex-direction:column;align-items:center;gap:.5rem}#loading-text{margin:0;font-weight:500;color:#fff}#progress-percent{font-size:2.5rem;font-weight:800;color:var(--primary);font-family:Outfit,sans-serif;text-shadow:0 0 20px rgba(59,130,246,.5)}.modal-progress-container{width:350px;height:10px;background:#ffffff1a;border-radius:5px;overflow:hidden;box-shadow:inset 0 2px 4px #0000004d}.modal-progress-bar{height:100%;background:linear-gradient(to right,var(--primary),var(--accent));width:0%;transition:width .3s cubic-bezier(.4,0,.2,1)}