.dropdown:hover .dropdown-menu {
			display: block;
			animation: fadeInDown 0.5s ease-in-out;
		}
		@keyframes fadeInDown {
			from {
				opacity: 0;
				transform: translateY(-10px);
			}
			to {
				opacity: 1;
				transform: translateY(0);
			}
		}
		.header-top {
			padding: 10px 0;
		}
		.nav-red {
			background-color: #f44336;
			color: white;
		}
		.nav-red a {
			color: white;
			text-decoration: none;
			padding: 0 10px;
			line-height: 40px;
		}
		.search-box input {
			border-radius: 0;
			border: none;
			padding: 6px 10px;
		}
		.search-box .btn {
			border-radius: 0;
			border: none;
		}
		a:hover {
			color: black !important;
			font-weight: bold;
		}
		button:hover {
			color: black !important;
			font-weight: bold;
		}
  



	body {
		min-height: 100vh;
		font-family: 'Open Sans', sans-serif;
		
		background-size: cover;
		background-position: center;
	}
.login-container {
	width: 400px;
	max-width: 90%;
	margin: 60px auto;
	padding: 60px 40px;
	border-radius: 15px;
	text-align: center;
	/* Background gradient nhẹ */
	background: linear-gradient(145deg, #ffffff, #f0f8ff);
	/* Đường bao và shadow */
	border: 2px solid #1DA1F2;
	box-shadow: 0 8px 20px rgba(0,0,0,0.25);
	/* Hiệu ứng chuyển động mượt */
	transition: all 0.3s ease-in-out;
}

	/* Hover: nổi bật hơn */
	.login-container:hover {
		transform: translateY(-5px) scale(1.02); /* nâng lên và phóng to nhẹ */
		box-shadow: 0 12px 25px rgba(0,0,0,0.35); /* shadow đậm hơn */
		border-color: #0d8ddb; /* đổi màu viền khi hover */
	}

	.login-container header {
		font-size: 40px;
		margin-bottom: 40px;
		font-family: 'Montserrat', sans-serif;
	}
	.input-field, form .button {
		margin: 25px 0;
		position: relative;
		height: 50px;
		width: 100%;
	}
	.input-field input {
		height: 100%;
		width: 100%;
		border: 1px solid silver;
		padding-left: 15px;
		outline: none;
		font-size: 19px;
		transition: .4s;
	}
	.input-field input:focus {
		border: 1px solid #1DA1F2;
	}
	.input-field label, .input-field span.show {
		position: absolute;
		top: 50%;
		transform: translateY(-50%);
		
	}
	.input-field label {
		left: 15px;
		pointer-events: none;
		color: grey;
		font-size: 18px;
		transition: .4s;
	}
	.input-field span.show {
		right: 20px;
		color: #111;
		font-size: 14px;
		font-weight: bold;
		cursor: pointer;
		user-select: none;
		visibility: hidden;
		font-family: 'Open Sans', sans-serif;
	}
	.input-field input:valid ~ span.show {
		visibility: visible;
	}
	.input-field label, .input-field span.show2 {
		position: absolute;
		top: 50%;
		transform: translateY(-50%);
		
	}
	.input-field label {
		left: 15px;
		pointer-events: none;
		color: grey;
		font-size: 18px;
		transition: .4s;
	}
	.input-field span.show2 {
		right: 20px;
		color: #111;
		font-size: 14px;
		font-weight: bold;
		cursor: pointer;
		user-select: none;
		visibility: hidden;
		font-family: 'Open Sans', sans-serif;
	}
	.input-field input:valid ~ span.show2 {
		visibility: visible;
	}
	.input-field input:focus ~ label,
	.input-field input:valid ~ label {
		transform: translateY(-33px);
		background: white;
		font-size: 16px;
		color: #1DA1F2;
	}
	.button {
		margin-top: 30px;
		overflow: hidden;
		z-index: 111;
	}
	.button .inner {
		position: absolute;
		height: 100%;
		width: 300%;
		left: -100%;
		z-index: -1;
		transition: all .4s;
		background: linear-gradient(to right, #00dbde, #fc00ff, #00dbde, #fc00ff);
	}
	.button:hover .inner {
		left: 0;
	}
	.button button {
		width: 100%;
		height: 100%;
		border: none;
		background: none;
		outline: none;
		color: white;
		font-size: 20px;
		cursor: pointer;
		font-family: 'Montserrat', sans-serif;
	}
	.auth {
		margin: 35px 0 20px 0;
		font-size: 19px;
		color: grey;
	}
	.links {
		display: flex;
		cursor: pointer;
		justify-content: center;
		gap: 10px;
	}
	.facebook, .google {
		height: 40px;
		width: 100%;
		border: 1px solid silver;
		border-radius: 3px;
		transition: .4s;
		display: flex;
		align-items: center;
		justify-content: center;
		gap: 8px;
	}
	.facebook:hover {
		border-color: #4267B2;
	}
	.google:hover {
		border-color: #dd4b39;
	}
	.facebook i, .facebook span {
		color: #4267B2;
	}
	.google i, .google span {
		color: #dd4b39;
	}
	.signup {
		margin-top: 40px;
		font-family: 'Noto Sans', sans-serif;
	}
	.signup a {
		color: #3498db;
		text-decoration: none;
	}
	.signup a:hover {
		text-decoration: underline;
	}
	.error {
      color: red;
    }