:root {
	--bg-main: #0c0c0c;
	--card-bg: #161616;
	--text-primary: #f5f5f7;
	--text-secondary: #86868b;
	--border: #2c2c2e;
	--accent-success: #2ecc71;
	--accent-danger: #e74c3c;
}

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

body {
	background-color: var(--bg-main);
	color: var(--text-primary);
	font-family: 'Inter', sans-serif;
	display: flex;
	justify-content: center;
	padding-top: 40px;
}

h3 {
	border-bottom: 1px solid var(--border);
	padding-bottom: 20px;
}

.app-container {
	width: 100%;
	max-width: 900px;
	padding: 20px;
}

.main-content {
	display: flex;
	gap: 40px;
	margin-top: 30px;
}

.control-panel {
	flex: 1;
	min-width: 300px;
}

.history {
	flex: 1.2;
	background: var(--card-bg);
	padding: 20px;
	border-radius: 12px;
	border: 1px solid var(--border);
}

.label {
	color: var(--text-secondary);
	font-size: 14px;
	text-transform: uppercase;
	letter-spacing: 1px;
}

.summary-card {
	background: var(--card-bg);
	border: 1px solid var(--border);
	border-radius: 12px;
	display: flex;
	padding: 20px;
	margin-bottom: 35px;
}

.divider {
	width: 1px;
	background: var(--border);
	margin: 0 20px;
}

.transaction-list {
	list-style-type: none;
	padding: 0;
}

.transaction-list li {
	border-color: var(--card-bg);
	border-bottom: 1px solid var(--border);
	display: flex;
	justify-content: space-between;
	padding: 10px;
	position: relative;
}

.transaction-list li span:first-child {
	flex: 1;
	text-align: left;
}

.transaction-list li span:nth-child(2) {
	text-align: right;
	margin-right: 20px;
}

.transaction-info {
	display: flex;
	flex-direction: column;
	flex-grow: 1;
	text-align: left;
}

.transaction-date {
	font-size: 10px;
	color: var(--text-secondary);
	margin-top: 2px;
}

.transaction-list li.plus {
	border-right: 3px solid var(--accent-success);
}

.transaction-list li.minus {
	border-right: 3px solid var(--accent-danger);
}

.transaction-list li span {
	font-size: 13px;
	display: flex;
	align-items: center;
}

.input-group {
	margin: 10px 0;
}

input {
	width: 100%;
	padding: 10px;
	background: var(--card-bg);
	border: 1px solid var(--border);
	color: var(--text-primary);
	border-radius: 6px;
}

input:focus {
	outline: none;
	border-color: var(--text-secondary);
}

.submit-btn {
	width: 100%;
	border-color: var(--text-primary);
	color: var(--bg-main);
	border: none;
	border-radius: 8px;
	padding: 12px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	margin-top: 10px;
}

.submit-btn:hover {
	opacity: 0.9;
}

.delete-btn {
	background: none;
	border: none;
	padding: 0;
	color: var(--text-secondary);
	text-decoration: underline;
	font-size: 14px;
	cursor: pointer;
}

.delete-btn:hover {
	opacity: 0.7;
	text-decoration: none;
}

@media(max-width: 768px) {
	.control-panel {
		min-width: auto;
	}

	.main-content {
		flex-direction: column;
	}

	.history {
		max-height: none;
	}
}