* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
	--pink: #f0436a;
	--ink: #1f2330;
}
html, body {
	width: 100%; height: 100%;
	overflow: hidden;
	overscroll-behavior: none;
}
body {
	height: 100vh; height: 100dvh;
	display: flex; align-items: center; justify-content: center;
	font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
	background: #eef0f6;
	color: var(--ink);
	position: fixed; inset: 0;
	padding: 20px;
}
body::before, body::after {
	content: ''; position: fixed; border-radius: 50%; filter: blur(90px); opacity: .5; z-index: 0; pointer-events: none;
}
body::before { width: 480px; height: 480px; background: radial-gradient(circle, #ffb6cd, transparent 70%); top: -140px; left: -100px; }
body::after { width: 440px; height: 440px; background: radial-gradient(circle, #c3b6ff, transparent 70%); bottom: -150px; right: -110px; }

.login-card {
	position: relative; z-index: 1;
	width: 100%; max-width: 400px;
	background: rgba(255, 255, 255, .82);
	backdrop-filter: blur(18px);
	-webkit-backdrop-filter: blur(18px);
	border: 1px solid rgba(255, 255, 255, .7);
	border-radius: 24px;
	box-shadow: 0 30px 80px rgba(40, 30, 50, .18);
	padding: 38px 38px 32px;
}

.brand { text-align: center; margin-bottom: 26px; }
.brand .logo {
	display: inline-block;
	font-size: 32px; font-weight: 800; letter-spacing: 1px;
	background: linear-gradient(135deg, var(--pink), #ff8a5c);
	-webkit-background-clip: text; background-clip: text;
	-webkit-text-fill-color: transparent;
}
.brand .sub { font-size: 11px; letter-spacing: 4px; text-transform: uppercase; color: #a8a5b3; margin-top: 8px; }

.field { margin-bottom: 14px; }
.input-wrap { position: relative; }
.input-wrap svg { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: #b8b6bf; pointer-events: none; transition: color .2s; }
.field input {
	width: 100%; height: 50px; padding: 0 16px 0 44px;
	background: #fff;
	border: 1.5px solid #e6e6ea; border-radius: 13px;
	font-size: 14px; color: var(--ink); outline: none;
	transition: border-color .2s, box-shadow .2s;
}
.field input::placeholder { color: #b3b1bb; }
.field input:focus { border-color: var(--pink); box-shadow: 0 0 0 4px rgba(240, 67, 106, .12); }
.field input:focus + svg { color: var(--pink); }

.login-btn {
	width: 100%; height: 52px; margin-top: 8px;
	border: none; border-radius: 13px; cursor: pointer;
	background: linear-gradient(135deg, #ff5b8e, #ff8aae);
	color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .5px;
	box-shadow: 0 10px 24px rgba(240, 67, 106, .3);
	transition: transform .15s, box-shadow .2s, filter .2s;
}

.login-error {
	margin-bottom: 16px; padding: 12px 14px;
	background: #fff5f5; border: 1px solid #f6cccc; border-radius: 11px;
	font-size: 12.5px; color: #c0392b; text-align: center;
}
.login-foot { text-align: center; margin-top: 26px; font-size: 10.5px; letter-spacing: 1.5px; color: #c2c0c9; }

@media (max-width: 480px) {
	.login-card { padding: 36px 26px 28px; border-radius: 20px; }
	.brand .logo { font-size: 28px; }
}