:root{--primary-50:#eff6ff;--primary-100:#dbeafe;--primary-200:#bfdbfe;--primary-300:#93c5fd;--primary-400:#60a5fa;--primary-500:#3b82f6;--primary-600:#2563eb;--primary-700:#1d4ed8;--primary-800:#1e40af;--primary-900:#1e3a8a;--accent-50:#faf5ff;--accent-100:#f3e8ff;--accent-200:#e9d5ff;--accent-300:#d8b4fe;--accent-400:#c084fc;--accent-500:#a855f7;--accent-600:#9333ea;--accent-700:#7e22ce;--success-50:#ecfdf5;--success-100:#d1fae5;--success-500:#10b981;--success-600:#059669;--success-700:#047857;--error-50:#fef2f2;--error-100:#fee2e2;--error-500:#ef4444;--error-600:#dc2626;--error-700:#b91c1c;--warning-50:#fffbeb;--warning-100:#fef3c7;--warning-500:#f59e0b;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--bg-card:#fff;--bg-glass:#fffc;--text-primary:#111827;--text-secondary:#4b5563;--text-tertiary:#9ca3af;--text-inverse:#fff;--border-color:#e5e7eb;--border-focus:var(--primary-500);--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;--shadow-glow:0 0 20px #3b82f64d;--gradient-primary:linear-gradient(135deg,var(--primary-500)0%,var(--accent-600)100%);--gradient-hero:linear-gradient(135deg,#667eea 0%,#764ba2 100%);--gradient-card:linear-gradient(145deg,#fff 0%,#f8fafc 100%);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif;--font-mono:"Fira Code","SF Mono","Monaco","Consolas",monospace;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-normal:.2s cubic-bezier(.4,0,.2,1);--transition-slow:.3s cubic-bezier(.4,0,.2,1);--transition-bounce:.5s cubic-bezier(.68,-.55,.265,1.55)}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--bg-card:#1e293b;--bg-glass:#1e293bcc;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-tertiary:#64748b;--border-color:#334155;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0000004d;--shadow-lg:0 10px 15px -3px #0006}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-secondary);color:var(--text-primary);min-height:100vh;line-height:1.6}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:700;line-height:1.3}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{color:var(--text-secondary);margin-bottom:var(--space-4)}a{color:var(--primary-600);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--primary-700)}.container{width:100%;max-width:1200px;padding:0 var(--space-4);margin:0 auto}.container-sm{max-width:640px}.container-md{max-width:768px}.container-lg{max-width:1024px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.text-center{text-align:center}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3)var(--space-6);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);border:none;min-height:44px;font-size:.9375rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-2px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--primary-300)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg-tertiary);color:var(--text-primary)}.btn-danger{background:var(--error-600);color:#fff}.btn-danger:hover:not(:disabled){background:var(--error-700)}.btn-success{background:var(--success-600);color:#fff}.btn-lg{padding:var(--space-4)var(--space-8);font-size:1rem}.btn-sm{padding:var(--space-2)var(--space-4);min-height:36px;font-size:.875rem}.btn-full{width:100%}.btn-google{color:var(--gray-700);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);background:#fff}.btn-google:hover:not(:disabled){background:var(--gray-50);box-shadow:var(--shadow-md)}.card{background:var(--bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);overflow:hidden}.card-glass{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);border:1px solid #fff3}.card-elevated{box-shadow:var(--shadow-lg);transition:all var(--transition-normal)}.card-elevated:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.card-body{padding:var(--space-6)}.card-header{padding:var(--space-6);border-bottom:1px solid var(--border-color)}.form-group{margin-bottom:var(--space-4)}.form-label{color:var(--text-primary);margin-bottom:var(--space-2);font-size:.875rem;font-weight:500;display:block}.form-input{width:100%;padding:var(--space-3)var(--space-4);color:var(--text-primary);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-fast);min-height:44px;font-family:inherit;font-size:1rem}.form-input:focus{border-color:var(--primary-500);outline:none;box-shadow:0 0 0 3px #3b82f626}.form-input::placeholder{color:var(--text-tertiary)}.form-input-error{border-color:var(--error-500)}.form-input-error:focus{box-shadow:0 0 0 3px #ef444426}.form-error{color:var(--error-600);margin-top:var(--space-1);font-size:.875rem}.form-hint{color:var(--text-tertiary);margin-top:var(--space-1);font-size:.875rem}.progress-bar{background:var(--gray-200);border-radius:var(--radius-full);width:100%;height:8px;overflow:hidden}.progress-bar-fill{background:var(--gradient-primary);border-radius:var(--radius-full);height:100%;transition:width var(--transition-slow)}.badge{padding:var(--space-1)var(--space-3);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;align-items:center;font-size:.75rem;font-weight:600;display:inline-flex}.badge-primary{background:var(--primary-100);color:var(--primary-700)}.badge-success{background:var(--success-100);color:var(--success-700)}.badge-warning{background:var(--warning-100);color:var(--warning-500)}.badge-error{background:var(--error-100);color:var(--error-700)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes celebrationPop{0%{opacity:0;transform:scale(0)}50%{transform:scale(1.2)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn var(--transition-normal)ease-out}.animate-fade-in-up{animation:fadeInUp var(--transition-slow)ease-out}.animate-fade-in-down{animation:fadeInDown var(--transition-slow)ease-out}.animate-scale-in{animation:scaleIn var(--transition-slow)ease-out}.animate-slide-in-right{animation:slideInRight var(--transition-slow)ease-out}.animate-pulse{animation:2s infinite pulse}.animate-spin{animation:1s linear infinite spin}.animate-bounce{animation:1s ease-in-out infinite bounce}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary-500);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.spinner-lg{border-width:4px;width:40px;height:40px}.skeleton{background:linear-gradient(90deg,var(--gray-200)25%,var(--gray-100)50%,var(--gray-200)75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s ease-in-out infinite skeleton-loading}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}@media (max-width:640px){html{font-size:14px}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.container{padding:0 var(--space-3)}.hide-mobile{display:none!important}}@media (min-width:641px) and (max-width:1024px){.hide-tablet{display:none!important}}@media (min-width:1025px){.hide-desktop{display:none!important}}.bg-gradient-hero{background:var(--gradient-hero);position:relative;overflow:hidden}.bg-gradient-hero:before{content:"";pointer-events:none;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");position:absolute;inset:0}.bg-mesh{background-color:var(--bg-secondary);background-image:radial-gradient(at 40% 20%,#3b82f61a 0,#0000 50%),radial-gradient(at 80% 0,#a855f71a 0,#0000 50%),radial-gradient(at 0%,#10b9811a 0,#0000 50%)}