:root {
		--primary-color: #2c3e50;
		--accent-color: #27ae60;
		--info-color: #3498db;
		--bg-color: #f4f7f6;
	}

	body {
		font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
		background-color: var(--bg-color);
		margin: 0;
		padding: 20px 0;
		display: flex;
		flex-direction: column;
		align-items: center;
	}

	/* Container Standar (Logo & Header) */
	.container {
		background: white;
		padding: 30px;
		border-radius: 15px;
		box-shadow: 0 10px 25px rgba(0,0,0,0.05);
		max-width: 700px;
		width: 90%;
		text-align: center;
		margin-bottom: 20px;
	}

	.logo-container img {
		max-width: 120px;
		margin-bottom: 15px;
	}

	h1 {
		color: var(--primary-color);
		font-size: 1.5rem;
		line-height: 1.4;
		margin-bottom: 30px;
	}

	/* Group Tombol */
	.action-box {
		display: flex;
		flex-direction: column;
		gap: 15px;
		align-items: center;
	}

	.btn {
		display: inline-block;
		width: 80%;
		max-width: 300px;
		padding: 15px;
		text-decoration: none;
		border-radius: 50px;
		font-weight: bold;
		transition: all 0.3s ease;
		cursor: pointer;
		border: none;
		font-size: 1rem;
	}

	.btn-register {
		background-color: var(--accent-color);
		color: white;
		box-shadow: 0 4px 15px rgba(39, 174, 96, 0.2);
	}

	.btn-register:hover {
		transform: translateY(-3px);
		background-color: #219150;
	}

	.btn-load-data {
		background-color: white;
		color: var(--info-color);
		border: 2px solid var(--info-color);
	}

	.btn-load-data:hover {
		background-color: var(--info-color);
		color: white;
	}

	/* Container Khusus Iframe (Lebar 95%) */
	#data-section {
		display: none; /* Sembunyi di awal */
		width: 95%;
		margin-top: 30px;
		animation: fadeIn 0.5s ease;
	}

	.iframe-wrapper {
		background: white;
		padding: 10px;
		border-radius: 15px;
		box-shadow: 0 10px 30px rgba(0,0,0,0.1);
		overflow: hidden;
		height: 750px;
	}

	iframe {
		width: 100%;
		height: 100%;
		border: none;
	}

	footer {
		margin-top: 40px;
		text-align: center;
		font-size: 0.8rem;
		color: #888;
	}

	@keyframes fadeIn {
		from { opacity: 0; transform: translateY(20px); }
		to { opacity: 1; transform: translateY(0); }
	}

	@media (max-width: 600px) {
		h1 { font-size: 1.2rem; }
		.btn { width: 100%; }
		.iframe-wrapper { height: 500px; }
	}