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

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	background: #f8f9fa;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1.5rem;
}

.card {
	background: #fff;
	border: 1px solid #d9dde3;
	border-radius: 10px;
	width: 100%;
	max-width: 380px;
	padding: 2.2rem 2.2rem 2.6rem;
	margin: 0 auto;
	box-shadow: 0 10px 30px rgba(17, 34, 59, .08);
}

h1 {
	font-size: 1.35rem;
	font-weight: 700;
	text-align: center;
	margin-bottom: 1.8rem;
	color: #111;
}

form { display: grid; gap: 1rem; }

.field { position: relative; }

.field input {
	width: 100%;
	padding: .8rem .75rem;
	font-size: .9rem;
	border: 1px solid #b9c2cc;
	border-radius: 6px;
	background: #fff;
	color: #222;
}

.field label {
	position: absolute;
	left: .65rem;
	top: .82rem;
	padding: 0 .3rem;
	background: #fff;
	color: #8a94a0;
	font-size: .85rem;
	pointer-events: none;
	transition: top .12s ease, font-size .12s ease, color .12s ease;
}

.field input:hover { border-color: #93a0af; }
.field input:focus { outline: none; border-color: #3b9ae1; }

/* :user-invalid, not :invalid — otherwise empty required fields turn red on load */
.field input:user-invalid { border-color: #dba9a9; }

.field input:focus + label,
.field input:not(:placeholder-shown) + label {
	top: -.42rem;
	font-size: .72rem;
	color: #6b7684;
}

.field input:focus + label { color: #3b9ae1; }

.eye {
	position: absolute;
	right: .6rem;
	top: 50%;
	transform: translateY(-50%);
	border: none;
	background: none;
	color: #9aa4af;
	cursor: pointer;
	display: flex;
	padding: .2rem;
}

.eye:hover { color: #5f6b7a; }

.eye .slash { transition: opacity .12s ease; }
.eye.off .slash { opacity: 0; }

.submit {
	margin-top: .6rem;
	position: relative;
	overflow: hidden;
	border: none;
	border-radius: 8px;
	padding: .8rem;
	font-size: .95rem;
	font-weight: 600;
	letter-spacing: .02em;
	color: #fff;
	cursor: pointer;
	background: linear-gradient(180deg, #4aa8ec 0%, #2f88cc 100%);
	box-shadow: 0 4px 12px rgba(47, 136, 204, .35);
	transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
}

.submit:hover {
	filter: brightness(1.06);
	transform: translateY(-1px);
	box-shadow: 0 6px 16px rgba(47, 136, 204, .45);
}

.submit:active {
	transform: translateY(0);
	box-shadow: 0 2px 6px rgba(47, 136, 204, .35);
}

.submit:disabled { filter: saturate(.6) brightness(1.02); cursor: default; transform: none; }

.submit:focus-visible { outline: 2px solid #2f88cc; outline-offset: 2px; }

.submit::after {
	content: "";
	position: absolute;
	top: 0;
	left: -60%;
	width: 40%;
	height: 100%;
	background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .35), transparent);
	transition: left .4s ease;
}

.submit:hover::after { left: 120%; }

.error {
	margin-top: .2rem;
	text-align: center;
	font-size: .85rem;
	color: #d64545;
}

.eye:focus-visible { outline: 2px solid #2f88cc; outline-offset: 1px; border-radius: 4px; }

.failed .field input { border-color: #e0a3a3; }
.failed .field input:focus { border-color: #d64545; }
.failed .field input:focus + label { color: #d64545; }