:root{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-surface: rgba(17, 24, 39, .7);--border-color: rgba(255, 255, 255, .08);--text-primary: #f3f4f6;--text-secondary: #9ca3af;--color-primary: #0ea5e9;--color-primary-glow: rgba(14, 165, 233, .05);--color-success: #10b981;--color-success-glow: rgba(16, 185, 129, .03);--color-warning: #f59e0b;--color-danger: #ef4444;--font-family: "Rubik", "Assistant", sans-serif;--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1);--shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, .5), 0 1px 1px 0 rgba(255, 255, 255, .05) inset}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-surface: rgba(255, 255, 255, .8);--border-color: rgba(15, 23, 42, .08);--text-primary: #0f172a;--text-secondary: #475569;--color-primary: #0284c7;--color-primary-glow: rgba(2, 132, 199, .04);--color-success: #059669;--color-success-glow: rgba(5, 150, 105, .02);--color-warning: #d97706;--color-danger: #dc2626;--shadow-premium: 0 10px 30px -10px rgba(15, 23, 42, .08), 0 1px 1px 0 rgba(255, 255, 255, .8) inset}[dir=ltr]{--align-start: left;--align-end: right;--flex-direction: row}[dir=rtl]{--align-start: right;--align-end: left;--flex-direction: row-reverse}*{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;background-image:radial-gradient(circle at 10% 20%,var(--color-primary-glow) 0%,transparent 40%),radial-gradient(circle at 90% 80%,var(--color-success-glow) 0%,transparent 45%)}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-family:Rubik,sans-serif;font-weight:600;letter-spacing:-.02em}.app-container{max-width:1000px;width:100%;margin:0 auto;padding:2.5rem 1.5rem;flex-grow:1;display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.brand{display:flex;align-items:center;gap:1rem}.logo-container{width:50px;height:50px;background:linear-gradient(135deg,#0284c7,#0ea5e9);border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #0ea5e94d;position:relative;overflow:hidden}.logo-container:before{content:"";position:absolute;top:0;left:0;right:0;height:50%;background:#ffffff26}.brand-text h1{font-size:1.6rem;color:var(--text-primary);font-weight:700;line-height:1.2}.brand-text p{font-size:.9rem;color:var(--text-secondary)}.lang-toggle{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:.5rem;transition:var(--transition-smooth)}.lang-toggle:hover{background:#ffffff0d;border-color:var(--color-primary)}.stepper{display:flex;justify-content:space-between;position:relative;margin-bottom:3.5rem;padding:0 1rem}.stepper:before{content:"";position:absolute;top:20px;left:3rem;right:3rem;height:2px;background:var(--border-color);z-index:1}.stepper-progress{position:absolute;top:20px;left:3rem;right:3rem;height:2px;background:linear-gradient(to left,var(--color-primary),var(--color-success));z-index:1;transform-origin:right;transition:transform .5s cubic-bezier(.4,0,.2,1)}[dir=ltr] .stepper-progress{transform-origin:left}.step-node{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:.75rem;cursor:pointer}.step-circle{width:42px;height:42px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.95rem;color:var(--text-secondary);transition:var(--transition-smooth);box-shadow:var(--shadow-premium)}.step-node.active .step-circle{border-color:var(--color-primary);color:var(--color-primary);background:var(--bg-primary);box-shadow:0 0 15px var(--color-primary-glow)}.step-node.completed .step-circle{border-color:var(--color-success);color:var(--color-success);background:var(--bg-primary);box-shadow:0 0 15px var(--color-success-glow)}.step-label{font-size:.85rem;font-weight:500;color:var(--text-secondary);transition:var(--transition-smooth);white-space:nowrap}.step-node.active .step-label{color:var(--text-primary);font-weight:600}.step-node.completed .step-label{color:var(--text-secondary)}.panel{background:var(--bg-surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:20px;padding:2.5rem;box-shadow:var(--shadow-premium);margin-bottom:2rem;transition:var(--transition-smooth);animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.panel-header{margin-bottom:2rem}.panel-title{font-size:1.4rem;color:var(--text-primary);margin-bottom:.5rem;display:flex;align-items:center;gap:.75rem}.panel-desc{font-size:.95rem;color:var(--text-secondary);line-height:1.5}.skip-toggle-container{display:flex;align-items:center;justify-content:space-between;background:#ffffff05;border:1px solid var(--border-color);border-radius:12px;padding:1rem 1.5rem;margin-bottom:2rem}.skip-toggle-text{display:flex;flex-direction:column;gap:.25rem}.skip-title{font-size:.95rem;font-weight:600}.skip-desc{font-size:.8rem;color:var(--text-secondary)}.switch{position:relative;display:inline-block;width:46px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ffffff1a;transition:.3s;border-radius:34px;border:1px solid var(--border-color)}.slider:before{position:absolute;content:"";height:16px;width:16px;left:3px;bottom:3px;background-color:var(--text-secondary);transition:.3s;border-radius:50%}[dir=rtl] .slider:before{left:auto;right:3px}input:checked+.slider{background-color:var(--color-primary-glow);border-color:var(--color-primary)}input:checked+.slider:before{transform:translate(22px);background-color:var(--color-primary)}[dir=rtl] input:checked+.slider:before{transform:translate(-22px)}.upload-zone{border:2px dashed var(--border-color);border-radius:14px;padding:3rem 2rem;text-align:center;background:#ffffff03;cursor:pointer;transition:var(--transition-smooth);display:flex;flex-direction:column;align-items:center;gap:1rem}.upload-zone:hover,.upload-zone.dragover{border-color:var(--color-primary);background:#0ea5e905;box-shadow:0 0 20px #0ea5e90d}.upload-icon{width:48px;height:48px;color:var(--text-secondary);transition:var(--transition-smooth)}.upload-zone:hover .upload-icon{color:var(--color-primary);transform:translateY(-4px)}.upload-title{font-size:1.1rem;font-weight:500;color:var(--text-primary)}.upload-subtitle{font-size:.85rem;color:var(--text-secondary)}.file-list{margin-top:1.5rem;display:flex;flex-direction:column;gap:.75rem}.file-item{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.25rem;background:#ffffff08;border:1px solid var(--border-color);border-radius:10px;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.file-info{display:flex;align-items:center;gap:.75rem;font-size:.9rem}.file-icon{color:var(--color-primary);width:20px;height:20px}.file-remove{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);display:flex;align-items:center;justify-content:center;padding:.25rem;border-radius:4px}.file-remove:hover{color:var(--color-danger);background:#ef44441a}.nav-buttons{display:flex;justify-content:space-between;gap:1rem;margin-top:2rem}.btn{padding:.85rem 2rem;font-size:.95rem;font-weight:600;border-radius:10px;cursor:pointer;transition:var(--transition-smooth);display:flex;align-items:center;gap:.5rem;text-decoration:none}.btn-primary{background:var(--color-primary);color:#fff;border:1px solid transparent;box-shadow:0 4px 14px #0ea5e94d}.btn-primary:hover:not(:disabled){background:#0284c7;box-shadow:0 4px 20px #0ea5e966}.btn-secondary{background:#ffffff0d;color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:#ffffff1a;border-color:#fff3}.btn:disabled{opacity:.5;cursor:not-allowed}.process-box{display:flex;flex-direction:column;gap:1.5rem}.loading-spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem 0}.spinner{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.log-terminal{background:#05070f;border:1px solid var(--border-color);border-radius:10px;padding:1rem 1.25rem;font-family:Courier New,Courier,monospace;font-size:.85rem;color:#38bdf8;height:250px;overflow-y:auto;white-space:pre-wrap;display:flex;flex-direction:column;gap:.25rem;box-shadow:inset 0 2px 8px #000c}.log-line{line-height:1.4}.log-error{color:var(--color-danger)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-top:1.5rem;margin-bottom:2rem}.stat-card{background:#ffffff05;border:1px solid var(--border-color);padding:1.25rem;border-radius:12px;text-align:center}.stat-val{font-size:2.2rem;font-weight:800;color:var(--color-primary);margin-bottom:.25rem}.stat-lbl{font-size:.85rem;color:var(--text-secondary)}.alert{padding:1rem 1.25rem;border-radius:10px;margin-bottom:1.5rem;display:flex;align-items:flex-start;gap:.75rem;font-size:.9rem;line-height:1.4}.alert-danger{background:#ef444414;border:1px solid rgba(239,68,68,.2);color:#fca5a5}.footer{text-align:center;padding:2rem 0;color:var(--text-secondary);font-size:.8rem;border-top:1px solid var(--border-color);margin-top:auto}.hidden-input{display:none}.login-box{display:flex;flex-direction:column;gap:1.5rem}.login-quick-list{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:.5rem;margin-bottom:.5rem}.login-quick-btn{background:#ffffff08;border:1px solid var(--border-color);color:var(--text-primary);padding:.5rem 1rem;border-radius:20px;cursor:pointer;font-size:.85rem;transition:var(--transition-smooth)}.login-quick-btn:hover{background:var(--color-primary-glow);border-color:var(--color-primary);color:var(--color-primary)}.input-group{display:flex;align-items:center;gap:.75rem;background:#ffffff05;border:1px solid var(--border-color);border-radius:10px;padding:.75rem 1rem;transition:var(--transition-smooth)}.input-group:focus-within{border-color:var(--color-primary);box-shadow:0 0 10px var(--color-primary-glow)}.input-field{background:transparent;border:none;color:var(--text-primary);font-family:var(--font-family);font-size:.95rem;outline:none;width:100%}