.header{font-size:2rem;font-weight:700;text-align:center;margin:1rem 0}.balance{background:#f4f4f4;padding:1rem;border-radius:8px;text-align:center;margin-bottom:1rem}.inc-exp-container{display:flex;justify-content:space-between;margin:1rem 0}.money.plus{color:green}.money.minus{color:red}.transaction-list ul{list-style:none;padding:0}.transaction-list li{display:flex;justify-content:space-between;margin:.5rem 0;padding:.5rem;border-radius:4px;background:#fff}.transaction-list .plus{border-right:5px solid green}.transaction-list .minus{border-right:5px solid red}.add-transaction{display:flex;flex-direction:column;gap:.5rem;background:#f9f9f9;padding:1rem;border-radius:8px}.add-transaction input{padding:.5rem;border-radius:4px;border:1px solid #ccc}.add-transaction button{padding:.5rem;border:none;background:#007bff;color:#fff;border-radius:4px;cursor:pointer}