* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

:root {
    --first-color: #14161F;
    --second-color: #F9F9F9;
    --border-color: rgba(255, 255, 255, .4);
}

body {
	min-height: 100vh;
	font-family: 'Montserrat', sans-serif;
	color: var(--second-color);
	background-color: var(--first-color);
}

header {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	margin-bottom: 40px;
	height: 220px;
}

header h1 {
	margin-bottom: 10px;
	font-size: 64px;
	font-weight: 200;
}

header p {
	font-size: 24px;
}

main {
	display: flex;
	justify-content: center;
	align-items: flex-start;
}

h2.title {
	margin-bottom: 30px;
	text-align: center;
	text-transform: uppercase;
	font-size: 36px;
	font-weight: 200;
}

.transactions {
	width: 1000px;
}

.transactions h3 {
	margin-bottom: 30px;
	font-size: 28px;
	text-align: center;
}

.transaction-list {
	display: flex;
}

.income-area,
.expenses-area {
	margin: 0 20px;
	padding: 30px;
	width: 50%;
	border: 1px solid var(--border-color);
}

.income-area h3,
.income-area .transaction-amount {
	color: rgb(19, 200, 108);
	font-weight: bold;
}

.expenses-area h3,
.expenses-area .transaction-amount {
	color: rgb(255, 104, 104);
	font-weight: bold;
}

.transaction {
	display: flex;
	justify-content: space-between;
	padding: 10px 0;
	border-bottom: 1px solid var(--border-color);
}

.transaction:last-child {
	border-bottom: none;
}

.transaction-name {
	font-size: 18px;
}

.transaction-name i {
	margin-right: 10px;
}

.delete {
	margin-left: 10px;
	background: none;
	border: none;
	font-size: 18px;
	color: var(--second-color);
	cursor: pointer;
	transition: transform 0.3s;
}

.delete:hover {
	transform: scale(0.8);
}

.options {
	padding: 80px 40px;
	width: 500px;
	border: 1px solid var(--border-color);
}

.available-money {
	margin-top: -10px;
	text-align: center;
	font-size: 60px;
}

.controls {
	display: flex;
	justify-content: space-around;
	margin: 50px 0;
}

.controls button {
	padding: 12px 20px;
	color: var(--second-color);
	border: 1px solid var(--border-color);
	border-radius: 5px;
	background: none;
	cursor: pointer;
	transition: color 0.3s, background-color 0.3s;
}

.controls button:hover {
	color: var(--first-color);
	background-color: var(--second-color);
}

.controls i {
	margin-right: 10px;
}

.style-selection {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.color-buttons button {
	margin: 0 30px;
	width: 50px;
	height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s;
}

.color-buttons button:hover {
    transform: scale(0.9);
}

.color-buttons .light {
    background: #F9F9F9;
    border: 1px solid #14161F;
}

.color-buttons .dark {
    background: #14161F;
    border: 1px solid #F9F9F9;
}

.add-transaction-panel {
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: #fff;
    background-image: linear-gradient(315deg, #4c4177 0%, #2a5470 74%);
}

.add-transaction-panel h2.title {
    margin-bottom: 0;
}

.add-transaction-panel label {
    margin-top: 40px;
    margin-bottom: 5px;
    font-size: 26px;
}

.add-transaction-panel small {
    margin-bottom: 15px;
    font-style: italic;
    color: rgb(199, 199, 199);
}

.add-transaction-panel input,
.add-transaction-panel select {
    width: 800px;
}

.add-transaction-panel input,
.add-transaction-panel select,
.add-transaction-panel button {
    padding: 10px 20px;
    border: 1px solid #000;
    border-radius: 5px;
}

.add-transaction-panel input,
.add-transaction-panel select,
.add-transaction-panel option {
    font-size: 18px;
}

.add-transaction-panel .panel-buttons {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.add-transaction-panel button {
    margin: 0 30px;
    padding: 15px 40px;
    font-size: 18px;
    color: #fff;
    border: 1px solid #fff;
    background: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.add-transaction-panel button:hover {
    background-color: rgb(25, 27, 51);
}

a {
	display: flex;
	justify-content: center;
	align-items: center;
    margin: 50px;
    color: var(--second-color);
    text-decoration: none;
    font-size: 24px;
    transition: transform 0.3s;
}

a:hover {
    color: var(--border-color);
    transform: scale(0.9);
}