*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.app{max-width:800px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;color:#fff;padding:40px 0 30px}.header h1{font-size:2.5rem;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.header p{opacity:.9;font-size:1.1rem}.main{flex:1;background:#fff;border-radius:16px;padding:24px;box-shadow:0 10px 40px #0003}.actions{margin-bottom:20px}.btn{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .2s ease}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-secondary{background:#e0e0e0;color:#333}.btn-secondary:hover{background:#d0d0d0}.btn-danger{background:#ff5757;color:#fff}.btn-danger:hover{background:#f33}.btn-small{padding:8px 16px;font-size:.875rem}.error-banner{background:#ffebee;color:#c62828;padding:12px 16px;border-radius:8px;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}.error-banner button{background:none;border:none;font-size:1.25rem;cursor:pointer;color:#c62828}.loading{text-align:center;padding:40px;color:#666}.task-list{display:flex;flex-direction:column;gap:12px}.empty-state{text-align:center;padding:60px 20px;color:#888}.empty-state h3{margin-bottom:10px;color:#666}.task-item{background:#f8f9fa;border-radius:12px;padding:16px 20px;display:flex;align-items:flex-start;gap:16px;transition:all .2s ease;border-left:4px solid #667eea}.task-item:hover{box-shadow:0 4px 12px #0000001a}.task-item.completed{opacity:.7;border-left-color:#4caf50}.task-item.priority-high{border-left-color:#ff5757}.task-item.priority-medium{border-left-color:#ffa726}.task-item.priority-low{border-left-color:#66bb6a}.task-checkbox{width:24px;height:24px;cursor:pointer;accent-color:#667eea;flex-shrink:0;margin-top:2px}.task-content{flex:1;min-width:0}.task-title{font-weight:600;font-size:1.1rem;color:#333;margin-bottom:4px}.task-item.completed .task-title{text-decoration:line-through;color:#888}.task-description{color:#666;font-size:.9rem;margin-bottom:8px}.task-meta{display:flex;gap:12px;font-size:.8rem;color:#888}.priority-badge{padding:2px 8px;border-radius:4px;font-weight:600;text-transform:uppercase;font-size:.7rem}.priority-badge.high{background:#ffebee;color:#c62828}.priority-badge.medium{background:#fff3e0;color:#ef6c00}.priority-badge.low{background:#e8f5e9;color:#2e7d32}.task-actions{display:flex;gap:8px;flex-shrink:0}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:#fff;border-radius:16px;padding:24px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal h2{margin-bottom:20px;color:#333}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:600;color:#555}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:border-color .2s ease}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:#667eea}.form-group textarea{min-height:100px;resize:vertical}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.footer{text-align:center;padding:20px;color:#fffc;font-size:.9rem}@media (max-width: 600px){.app{padding:10px}.header h1{font-size:2rem}.main{padding:16px}.task-item{flex-wrap:wrap}.task-actions{width:100%;justify-content:flex-end;margin-top:12px}}
