*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--success: #16a34a;--warning: #ca8a04;--danger: #dc2626;--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;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:16px;line-height:1.5;color:var(--gray-900);background:var(--gray-50);-webkit-font-smoothing:antialiased}#root{height:100%;display:flex;flex-direction:column}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.container{max-width:600px;margin:0 auto;padding:0 16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-weight:500;border:none;transition:all .15s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{background:var(--gray-300);cursor:not-allowed}.btn-secondary{background:#fff;color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background:var(--gray-50)}.btn-danger{background:var(--danger);color:#fff}.btn-full{width:100%}.input{width:100%;padding:12px 16px;border:1px solid var(--gray-300);border-radius:var(--radius);background:#fff;transition:border-color .15s ease}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.input-error{border-color:var(--danger)}.label{display:block;font-weight:500;margin-bottom:6px;color:var(--gray-700)}.error-text{color:var(--danger);font-size:14px;margin-top:4px}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.card-title{font-size:18px;font-weight:600;margin-bottom:8px}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:100px;font-size:12px;font-weight:500}.badge-open{background:#fef3c7;color:#92400e}.badge-done{background:#d1fae5;color:#065f46}.badge-overdue{background:#fee2e2;color:#991b1b}.spinner{width:20px;height:20px;border:2px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:48px 24px;color:var(--gray-500)}.empty-state-icon{font-size:48px;margin-bottom:16px}.list-item{display:flex;align-items:center;gap:12px;padding:16px;background:#fff;border-bottom:1px solid var(--gray-100)}.list-item:first-child{border-radius:var(--radius) var(--radius) 0 0}.list-item:last-child{border-bottom:none;border-radius:0 0 var(--radius) var(--radius)}.list-item:only-child{border-radius:var(--radius)}.fab{position:fixed;bottom:80px;right:16px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;box-shadow:var(--shadow-md);font-size:24px;display:flex;align-items:center;justify-content:center}.fab:hover{background:var(--primary-dark)}