*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #667eea;--primary-dark: #5568d3;--primary-light: #8fa2f3;--secondary: #764ba2;--success: #4CAF50;--warning: #FF9800;--error: #f44336;--info: #2196F3;--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;--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;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}body{font-family:var(--font-sans);background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);min-height:100vh;color:var(--gray-900);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;color:#fff}.spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes ring-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.85;transform:scale(1.01)}}.ring-alert-pulse{animation:ring-pulse 1s ease-in-out infinite}@media (min-width: 768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-4)}.container-sm{max-width:640px}.container-md{max-width:768px}.card{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--space-8)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--gray-200);color:var(--gray-900)}.btn-secondary:hover:not(:disabled){background:var(--gray-300)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--error);color:#fff}.btn-sm{padding:var(--space-2) var(--space-4);font-size:.875rem}.btn-lg{padding:var(--space-4) var(--space-8);font-size:1.125rem}.input{width:100%;padding:var(--space-3) var(--space-4);border:2px solid var(--gray-300);border-radius:var(--radius-md);font-size:1rem;transition:border-color .2s}.input:focus{outline:none;border-color:var(--primary)}.input:disabled{background:var(--gray-100);cursor:not-allowed}.label{display:block;margin-bottom:var(--space-2);font-weight:500;color:var(--gray-700)}.form-group{margin-bottom:var(--space-6)}.alert{padding:var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-4)}.alert-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert-error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert-info{background:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}.text-center{text-align:center}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.gap-4{gap:var(--space-4)}.min-h-screen{min-height:100vh}.grid{display:grid}.gap-6{gap:var(--space-6)}.p-4{padding:var(--space-4)}@keyframes fadeOutMsg{0%{opacity:1}60%{opacity:1}to{opacity:0}}.toast-fade{animation:fadeOutMsg 2s forwards;font-size:.75rem;color:var(--success);font-weight:600;pointer-events:none}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.mb-8{margin-bottom:var(--space-8)}.mb-10{margin-bottom:var(--space-10)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-10{margin-top:var(--space-10)}.pt-8{padding-top:var(--space-8)}.w-full{width:100%}.max-w-md{max-width:28rem}.mx-auto{margin-left:auto;margin-right:auto}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-3xl{font-size:1.875rem}.text-4xl{font-size:2.25rem}.font-semibold{font-weight:600}.font-bold{font-weight:700}.border-t{border-top:1px solid var(--gray-200)}.bg-gradient-to-r{background-image:linear-gradient(to right,var(--tw-gradient-stops))}.from-purple-600{--tw-gradient-from: #9333ea;--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgb(147 51 234 / 0))}.to-blue-500{--tw-gradient-to: #3b82f6}.bg-clip-text{-webkit-background-clip:text;background-clip:text}.text-transparent{color:transparent}.text-gray-500{color:var(--gray-500)}.text-gray-600{color:var(--gray-600)}.text-gray-900{color:var(--gray-900)}.flex-wrap{flex-wrap:wrap}.justify-between{justify-content:space-between}.block{display:block}@media (min-width: 768px){.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 640px){.card{padding:var(--space-6)}}