:root{--bg-primary: #090d16;--bg-secondary: rgba(17, 24, 39, .7);--accent-color: #6366f1;--accent-secondary: #a855f7;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);--accent-glow: 0 0 20px rgba(99, 102, 241, .4);--text-primary: #f9fafb;--text-secondary: #9ca3af;--text-muted: #6b7280;--border-color: rgba(255, 255, 255, .08);--border-focus: rgba(99, 102, 241, .5);--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--glass-bg: rgba(17, 24, 39, .6);--glass-border: rgba(255, 255, 255, .06);--glass-shadow: 0 20px 50px rgba(0, 0, 0, .5);--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);min-height:100vh;overflow-x:hidden;position:relative}body:before{content:"";position:absolute;top:-10%;left:-10%;width:50%;height:50%;background:radial-gradient(circle,rgba(99,102,241,.15) 0%,transparent 70%);z-index:-1;filter:blur(80px)}body:after{content:"";position:absolute;bottom:-10%;right:-10%;width:60%;height:60%;background:radial-gradient(circle,rgba(217,70,239,.1) 0%,transparent 70%);z-index:-1;filter:blur(100px)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#090d1680}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff3}.app-container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem;display:flex;flex-direction:column;min-height:100vh}.app-header{text-align:center;margin-bottom:3rem;animation:fadeInDown .8s var(--transition-smooth)}.logo-container{display:inline-flex;align-items:center;gap:.75rem;margin-bottom:1rem}.logo-icon{width:2.75rem;height:2.75rem;stroke:url(#logo-grad);filter:drop-shadow(0 0 8px rgba(99,102,241,.5))}.logo-text{font-size:2.25rem;font-weight:800;letter-spacing:-.025em;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-badge{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;background:#6366f126;color:#818cf8;padding:.25rem .6rem;border-radius:12px;border:1px solid rgba(99,102,241,.3);margin-left:.5rem;vertical-align:middle}.subtitle{color:var(--text-secondary);font-size:1.1rem;font-weight:400;max-width:500px;margin:0 auto}.main-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:2rem;animation:fadeInUp .8s var(--transition-smooth)}@media(min-width:900px){.main-grid{grid-template-columns:4fr 5fr}.main-grid.single-column{grid-template-columns:1fr;max-width:800px;margin-left:auto;margin-right:auto}}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:2rem;box-shadow:var(--glass-shadow);transition:var(--transition-smooth)}.glass-panel:hover{border-color:#ffffff1a}.upload-zone{border:2px dashed rgba(255,255,255,.15);border-radius:var(--radius-md);padding:3rem 2rem;text-align:center;cursor:pointer;transition:var(--transition-smooth);background:#ffffff03;position:relative;overflow:hidden}.upload-zone:hover,.upload-zone.dragging{border-color:var(--accent-color);background:#6366f108;box-shadow:inset 0 0 30px #6366f10d}.upload-zone.dragging{transform:scale(.99)}.upload-icon-container{display:inline-flex;align-items:center;justify-content:center;width:4.5rem;height:4.5rem;border-radius:50%;background:#ffffff08;border:1px solid rgba(255,255,255,.06);margin-bottom:1.5rem;transition:var(--transition-smooth);color:var(--text-secondary)}.upload-zone:hover .upload-icon-container,.upload-zone.dragging .upload-icon-container{color:#fff;background:var(--accent-gradient);border-color:transparent;box-shadow:var(--accent-glow);transform:translateY(-4px)}.upload-title{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.upload-desc{color:var(--text-secondary);font-size:.9rem;margin-bottom:1.5rem}.file-input{display:none}.browse-btn{display:inline-block;padding:.75rem 1.75rem;font-size:.9rem;font-weight:600;color:#fff;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);transition:var(--transition-smooth)}.upload-zone:hover .browse-btn{background:#ffffff1a;border-color:#fff3}.file-info-card{display:flex;align-items:center;gap:1rem;background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-sm);padding:1rem;margin-bottom:1.5rem}.file-icon{color:var(--accent-color);flex-shrink:0}.file-details{flex-grow:1;min-width:0}.file-name{font-weight:600;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{font-size:.8rem;color:var(--text-secondary);margin-top:.15rem}.remove-file-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:.25rem;border-radius:4px;transition:var(--transition-smooth);display:flex;align-items:center;justify-content:center}.remove-file-btn:hover{color:var(--error-color);background:#ef44441a}.actions-panel{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.btn-primary{width:100%;padding:1rem;font-size:1rem;font-weight:700;color:#fff;background:var(--accent-gradient);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth);box-shadow:0 4px 15px #6366f133;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary:hover:not(:disabled){opacity:.95;box-shadow:0 4px 25px #6366f166;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(1px)}.btn-primary:disabled{background:#ffffff0d;color:var(--text-muted);box-shadow:none;cursor:not-allowed;border:1px solid rgba(255,255,255,.03)}.progress-panel{display:flex;flex-direction:column;gap:1.25rem;margin-top:1.5rem}.progress-header{display:flex;justify-content:space-between;align-items:center;font-size:.95rem;font-weight:600}.progress-pct{color:var(--accent-color);font-weight:700}.progress-track{height:8px;background:#ffffff0a;border-radius:4px;overflow:hidden;position:relative}.progress-fill{height:100%;background:var(--accent-gradient);border-radius:4px;transition:width .4s cubic-bezier(.4,0,.2,1);box-shadow:var(--accent-glow)}.progress-status{font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:.5rem}.spinner{width:1rem;height:1rem;border:2px solid transparent;border-top-color:var(--accent-color);border-radius:50%;animation:spin 1s linear infinite}.page-indicators{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1rem;justify-content:center}.indicator-dot{width:.5rem;height:.5rem;border-radius:50%;background:#ffffff1a;transition:var(--transition-smooth)}.indicator-dot.active{background:var(--accent-color);box-shadow:var(--accent-glow)}.indicator-dot.done{background:var(--success-color)}.output-panel{display:flex;flex-direction:column;height:100%;min-height:500px}.panel-header-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.panel-title{font-size:1.25rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.action-buttons{display:flex;gap:.5rem}.btn-secondary{display:flex;align-items:center;gap:.4rem;padding:.5rem 1rem;font-size:.85rem;font-weight:600;color:var(--text-primary);background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth)}.btn-secondary:hover:not(:disabled){background:#ffffff14;border-color:#ffffff26}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.page-tabs{display:flex;gap:.35rem;overflow-x:auto;padding-bottom:.5rem;border-bottom:1px solid var(--border-color);margin-bottom:1.25rem}.tab-btn{padding:.4rem .85rem;font-size:.85rem;font-weight:600;background:transparent;border:1px solid transparent;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth);white-space:nowrap}.tab-btn:hover{background:#ffffff08;color:#fff}.tab-btn.active{background:#6366f11a;color:#c7d2fe;border-color:#6366f140}.textarea-container{flex-grow:1;position:relative;display:flex;flex-direction:column;min-height:350px}.text-output-textarea{flex-grow:1;width:100%;height:100%;background:#00000040;border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:1.25rem;font-family:inherit;font-size:.95rem;color:var(--text-primary);line-height:1.6;resize:none;outline:none;transition:var(--transition-smooth)}.text-output-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 10px #6366f11a}.empty-output-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;flex-grow:1;color:var(--text-muted);text-align:center;border:1px dashed rgba(255,255,255,.05);border-radius:var(--radius-sm);padding:3rem;background:#0000000d}.placeholder-icon{width:3.5rem;height:3.5rem;margin-bottom:1rem;opacity:.3}.placeholder-title{font-size:1.1rem;font-weight:600;margin-bottom:.25rem;color:var(--text-secondary)}.placeholder-desc{font-size:.85rem;max-width:280px}.toast-msg{position:fixed;bottom:2rem;right:2rem;background:#10b981e6;color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;box-shadow:0 10px 25px #10b9814d;animation:fadeInUp .3s var(--transition-smooth);z-index:1000;display:flex;align-items:center;gap:.5rem}.toast-msg.error{background:#ef4444f2;box-shadow:0 10px 25px #ef44444d}.app-footer{text-align:center;padding:2.5rem 0 1rem;margin-top:auto;font-size:.8rem;color:var(--text-muted);border-top:1px solid rgba(255,255,255,.02)}.app-footer a{color:var(--text-secondary);text-decoration:none;transition:var(--transition-smooth)}.app-footer a:hover{color:var(--accent-color)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}