* {
		box-sizing: border-box;
}

body {
		margin: 0;
		padding: 0;
		font-family: Arial, Helvetica, sans-serif;
		background: #f3f8fc;
		color: #263238;
}

.container {
		width: 100%;
		max-width: 850px;
		margin: 0 auto;
		padding: 20px;
}

.page-header {
		background: linear-gradient(135deg, #8fd3ff, #5bb8f5);
		color: white;
		padding: 30px 20px;
		border-radius: 0 0 20px 20px;
		margin-bottom: 25px;
		text-align: center;
}

.page-header h1 {
		margin: 0;
		font-size: 28px;
}

.page-header p {
		margin: 8px 0 0;
		opacity: 0.95;
}

.card {
		background: white;
		border-radius: 16px;
		padding: 22px;
		margin-bottom: 20px;
		box-shadow: 0 4px 18px rgba(0, 0, 0, 0.07);
}

.card-title {
		font-size: 19px;
		font-weight: bold;
		color: #1688c7;
		border-bottom: 2px solid #e4f3fc;
		padding-bottom: 10px;
		margin-bottom: 18px;
}

.form-group {
		margin-bottom: 17px;
}

.form-row {
		display: flex;
		gap: 15px;
}

.form-row .form-group {
		flex: 1;
}

label {
		display: block;
		font-weight: 600;
		margin-bottom: 7px;
		color: #455a64;
}

.required {
		color: #e53935;
}

input,
select,
textarea {
		width: 100%;
		border: 1px solid #c9dce8;
		border-radius: 10px;
		padding: 12px 13px;
		font-size: 16px;
		background: #fbfdff;
		color: #263238;
		outline: none;
		transition: 0.2s;
}

input:focus,
select:focus,
textarea:focus {
		border-color: #55b9ed;
		box-shadow: 0 0 0 3px rgba(85, 185, 237, 0.15);
}

textarea {
		min-height: 120px;
		resize: vertical;
}

.expense-row {
		display: flex;
		gap: 10px;
		margin-bottom: 10px;
}

.expense-description {
		flex: 1;
}

.expense-amount {
		width: 150px;
}

.total-box {
		background: #e8f6ff;
		border: 1px solid #b9e3fa;
		border-radius: 12px;
		padding: 18px;
		margin-top: 15px;
		display: flex;
		justify-content: space-between;
		align-items: center;
}

.total-label {
		font-size: 18px;
		font-weight: bold;
		color: #167eb7;
}

.total-value {
		font-size: 25px;
		font-weight: bold;
		color: #0878b5;
}

.btn {
		border: 0;
		border-radius: 10px;
		padding: 13px 22px;
		font-size: 16px;
		font-weight: bold;
		cursor: pointer;
		text-decoration: none;
		display: inline-block;
}

.btn-primary {
		background: #65bff0;
		color: white;
}

.btn-primary:hover {
		background: #42aee7;
}

.btn-block {
		width: 100%;
}

.submit-area {
		margin-top: 25px;
}

.note {
		font-size: 13px;
		color: #78909c;
}

@media (max-width: 600px) {

		.container {
				padding: 12px;
		}

		.page-header {
				padding: 24px 15px;
				border-radius: 0 0 15px 15px;
		}

		.page-header h1 {
				font-size: 23px;
		}

		.card {
				padding: 16px;
				border-radius: 13px;
		}

		.form-row {
				display: block;
		}

		.expense-row {
				display: block;
				margin-bottom: 15px;
		}

		.expense-description,
		.expense-amount {
				width: 100%;
				margin-bottom: 8px;
		}

		.total-box {
				padding: 15px;
		}

		.total-value {
				font-size: 22px;
		}
}

.file-button {
		display: inline-block;
		margin-top: 10px;
		padding: 8px 14px;
		background: #e5f6ff;
		color: #1688c7;
		border-radius: 20px;
		text-decoration: none;
		font-size: 13px;
		font-weight: bold;
}

.file-button:hover {
		background: #d5effc;
}