:root{--primary:#1e40af;--primary-dark:#1e3a8a;--primary-light:#3b82f6;--secondary:#64748b;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--bg-primary:#ffffff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--bg-hover:#e2e8f0;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.05);--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.1);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1);--shadow-xl:0 20px 25px -5px rgba(0, 0, 0, 0.1);--radius:12px;--radius-lg:16px;--transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1)}[data-theme=dark]{--primary:#3b82f6;--primary-dark:#2563eb;--primary-light:#60a5fa;--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--bg-hover:#475569;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-tertiary:#64748b;--border-color:#334155;--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.3);--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.4);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.5);--shadow-xl:0 20px 25px -5px rgba(0, 0, 0, 0.6)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg-secondary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;transition:var(--transition)}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:1rem 0;position:sticky;top:0;z-index:100;backdrop-filter:blur(10px);box-shadow:var(--shadow-sm)}.header-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700;color:var(--text-primary)}.logo-icon{color:var(--primary)}.theme-toggle{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;padding:.5rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}.theme-toggle:hover{background:var(--bg-hover);transform:scale(1.05)}.theme-toggle svg{color:var(--text-secondary)}.hidden{display:none!important}.main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:4rem 2rem}.hero{text-align:center;margin-bottom:5rem}.hero-icon{display:inline-flex;padding:1.5rem;background:linear-gradient(135deg,var(--primary-light) 0,var(--primary) 100%);border-radius:var(--radius-lg);margin-bottom:2rem;box-shadow:var(--shadow-lg)}.hero-icon svg{color:#fff}.hero-title{font-size:2.5rem;font-weight:800;color:var(--text-primary);margin-bottom:1rem;line-height:1.2}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:2.5rem;max-width:600px;margin-left:auto;margin-right:auto}.btn-primary{display:inline-flex;align-items:center;gap:.75rem;background:linear-gradient(135deg,var(--primary-light) 0,var(--primary) 100%);color:#fff;padding:1rem 2.5rem;border-radius:var(--radius);font-size:1.125rem;font-weight:600;text-decoration:none;transition:var(--transition);box-shadow:var(--shadow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}.btn-primary svg{width:20px;height:20px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2rem;margin-bottom:4rem}.feature-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2rem;transition:var(--transition);box-shadow:var(--shadow-sm)}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}.feature-icon{display:inline-flex;padding:1rem;background:var(--bg-tertiary);border-radius:var(--radius);margin-bottom:1.5rem}.feature-icon svg{color:var(--primary)}.feature-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:.75rem}.feature-text{color:var(--text-secondary);line-height:1.7}.stats-bar{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2rem;display:flex;justify-content:space-around;align-items:center;gap:2rem;margin-bottom:4rem;box-shadow:var(--shadow)}.stat{display:flex;flex-direction:column;align-items:center;gap:.5rem}.stat-icon{display:flex;padding:.75rem;background:var(--bg-tertiary);border-radius:var(--radius);margin-bottom:.5rem}.stat-icon svg{color:var(--primary)}.stat-label{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-align:center}.stat-divider{width:1px;height:40px;background:var(--border-color)}.info-section{margin-bottom:4rem}.info-card{background:linear-gradient(135deg,var(--primary-light) 0,var(--primary) 100%);border-radius:var(--radius-lg);padding:2.5rem;display:flex;gap:1.5rem;box-shadow:var(--shadow-lg)}.info-icon-wrapper{flex-shrink:0;display:flex;padding:1rem;background:rgba(255,255,255,.2);border-radius:var(--radius)}.info-icon-wrapper svg{color:#fff}.info-content{color:#fff}.info-title{font-size:1.5rem;font-weight:700;margin-bottom:.75rem}.info-text{font-size:1rem;opacity:.95;line-height:1.7}.footer{background:var(--bg-primary);border-top:1px solid var(--border-color);padding:2rem 0;margin-top:auto}.footer-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-text{color:var(--text-secondary);font-size:.875rem}.footer-links{display:flex;align-items:center;gap:1rem}.footer-link{color:var(--text-secondary);text-decoration:none;font-size:.875rem;transition:var(--transition)}.footer-link:hover{color:var(--primary)}.footer-divider{color:var(--text-tertiary)}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .6s ease-out forwards;opacity:0}@media (max-width:768px){.header-content{padding:0 1rem}.logo{font-size:1.25rem}.main-content{padding:2rem 1rem}.hero-title{font-size:2rem}.hero-subtitle{font-size:1.125rem}.features{grid-template-columns:1fr;gap:1.5rem}.stats-bar{flex-direction:column;padding:1.5rem}.stat-divider{width:100%;height:1px}.info-card{flex-direction:column;padding:2rem}.footer-content{flex-direction:column;text-align:center;padding:0 1rem}}@media (max-width:480px){.hero-icon{padding:1rem}.hero-icon svg{width:60px;height:60px}.btn-primary{width:100%;justify-content:center}}@media print{.footer-links,.theme-toggle{display:none}}.auth-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;gap:2rem}.auth-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:3rem;width:100%;max-width:440px;box-shadow:var(--shadow-xl)}.auth-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.auth-header .logo{display:flex;align-items:center;gap:.75rem}.auth-header h1{font-size:1.5rem;font-weight:700}.auth-title{text-align:center;margin-bottom:2rem}.auth-title h2{font-size:1.875rem;font-weight:800;color:var(--text-primary);margin-bottom:.5rem}.auth-title p{color:var(--text-secondary)}.alert{display:flex;align-items:center;gap:.75rem;padding:1rem;border-radius:var(--radius);margin-bottom:1.5rem;font-size:.875rem}.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fcd34d}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}[data-theme=dark] .alert-warning{background:#451a03;color:#fef3c7;border-color:#78350f}[data-theme=dark] .alert-error{background:#450a0a;color:#fee2e2;border-color:#7f1d1d}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:600;color:var(--text-primary)}.form-label svg{color:var(--text-secondary)}.form-input{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:var(--radius);background:var(--bg-secondary);color:var(--text-primary);font-size:1rem;transition:var(--transition)}.form-input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.1)}.password-wrapper{position:relative}.password-toggle{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);background:0 0;border:none;cursor:pointer;padding:.25rem;color:var(--text-secondary);transition:var(--transition)}.password-toggle:hover{color:var(--primary)}.btn-submit{display:flex;align-items:center;justify-content:center;gap:.75rem;background:linear-gradient(135deg,var(--primary-light) 0,var(--primary) 100%);color:#fff;padding:1rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);margin-top:.5rem}.btn-submit:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.auth-footer{margin-top:2rem;text-align:center}.back-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--text-secondary);text-decoration:none;font-size:.875rem;transition:var(--transition)}.back-link:hover{color:var(--primary)}.info-box{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;max-width:440px;width:100%;display:flex;gap:1rem}.info-box .info-icon{flex-shrink:0;color:var(--primary)}.info-box h3{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.info-box p{font-size:.875rem;color:var(--text-secondary);line-height:1.6}@media (max-width:480px){.auth-card{padding:2rem}.auth-container{padding:1rem}}