:root{--bg-color:#050508;--card-bg:#ffffff08;--card-border:#ffffff1a;--primary:#6366f1;--primary-glow:#6366f180;--secondary:#a855f7;--text-main:#f8fafc;--text-muted:#94a3b8;--success:#22c55e;--font-family:"Outfit", "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-family);flex-direction:column;min-height:100vh;display:flex;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle at 20% 30%,#6366f126 0%,#0000 40%),radial-gradient(circle at 80% 70%,#a855f726 0%,#0000 40%);width:120%;height:120%;position:fixed;top:-10%;left:-10%}.app-container{flex:1;width:100%;max-width:1000px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:4rem;animation:.8s ease-out fadeInDown}h1{background:linear-gradient(135deg,#fff 0%,#94a3b8 100%);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;margin-bottom:1rem;font-size:3.5rem;font-weight:800}.subtitle{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:1.25rem}.upload-zone{background:var(--card-bg);border:2px dashed var(--card-border);text-align:center;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;border-radius:24px;padding:4rem 2rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.upload-zone:hover{border-color:var(--primary);background:#ffffff0d;transform:translateY(-2px);box-shadow:0 0 40px #6366f11a}.upload-zone.drag-active{border-color:var(--primary);background:#6366f10d;transform:scale(1.02);box-shadow:0 0 60px #6366f133}.upload-icon{width:64px;height:64px;color:var(--primary);filter:drop-shadow(0 0 10px var(--primary-glow));margin-bottom:1.5rem}.upload-text h3{margin-bottom:.5rem;font-size:1.5rem}.upload-text p{color:var(--text-muted)}.file-list{gap:1rem;margin-top:3rem;display:grid}.batch-actions{justify-content:flex-end;gap:1rem;margin-top:2rem;animation:.3s ease-out slideUp;display:flex}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:600;transition:all .2s;display:flex}.btn-primary:hover{background:var(--secondary);box-shadow:0 4px 15px var(--primary-glow);transform:translateY(-1px)}.file-item{background:var(--card-bg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:16px;align-items:center;gap:1rem;padding:1.25rem;animation:.4s ease-out forwards slideUp;display:flex}.file-info{flex:1}.file-name{margin-bottom:.25rem;font-weight:600;display:block}.file-status{color:var(--text-muted);font-size:.875rem}.progress-container{background:#ffffff0d;border-radius:3px;height:6px;margin-top:.75rem;overflow:hidden}.progress-bar{background:linear-gradient(90deg, var(--primary), var(--secondary));width:0%;height:100%;box-shadow:0 0 10px var(--primary-glow);transition:width .3s}.btn-download{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.btn-download:hover{background:var(--secondary);transform:translateY(-1px);box-shadow:0 4px 15px #a855f766}.btn-download:disabled{cursor:not-allowed;opacity:.7;background:#334155}footer{text-align:center;color:var(--text-muted);padding:3rem;font-size:.875rem}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000c;justify-content:center;align-items:center;width:100%;height:100%;padding:2rem;display:none;position:fixed;top:0;left:0}.modal.active{display:flex}.modal-content{border:1px solid var(--card-border);background:#0f172a;border-radius:24px;flex-direction:column;width:100%;max-width:900px;max-height:85vh;display:flex;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.modal-header{border-bottom:1px solid var(--card-border);justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex}.modal-actions{align-items:center;gap:1rem;display:flex}#markdown-preview{color:#e2e8f0;padding:2rem;line-height:1.6;overflow-y:auto}.markdown-body h1,.markdown-body h2,.markdown-body h3{color:#fff;margin-top:1.5rem;margin-bottom:1rem}.markdown-body hr{border:0;border-top:1px solid var(--card-border);margin:2rem 0}.btn-secondary{border:1px solid var(--card-border);color:#fff;cursor:pointer;background:#ffffff0d;border-radius:8px;padding:.5rem 1rem;font-weight:500;transition:all .2s}.btn-secondary:hover{background:#ffffff1a}.btn-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:2rem;line-height:1}.btn-preview{color:var(--primary);border:1px solid var(--primary);cursor:pointer;background:0 0;border-radius:12px;margin-right:.5rem;padding:.75rem 1.5rem;font-weight:600;transition:all .2s}.btn-preview:hover{background:#6366f11a}.btn-preview:disabled{opacity:.5;cursor:not-allowed}@media (width<=768px){h1{font-size:2.5rem}.app-container{padding:1rem}}