:root {
	--primario: #0b4fa8;
	--fondo: #eef2f8;
	--texto: #1d2433;
	--error: #c0392b;
}
* { box-sizing: border-box; }
body {
	margin: 0;
	min-height: 100vh;
	display: grid;
	place-items: center;
	padding: 16px;
	font-family: "Segoe UI", system-ui, sans-serif;
	color: var(--texto);
	background: radial-gradient(circle at 20% 10%, #cfe0f5, transparent 55%), linear-gradient(160deg, #eef2f8, #d4e1f1);
}
.caja {
	width: min(380px, 100%);
	background: #fff;
	border-radius: 18px;
	padding: 32px 28px;
	box-shadow: 0 20px 50px rgba(15, 50, 90, .18);
}
.marca { display: flex; gap: 14px; align-items: center; margin-bottom: 22px; color: var(--primario); }
.marca svg { width: 48px; height: 48px; }
.marca h1 { margin: 0; font-size: 26px; letter-spacing: .5px; }
.marca p { margin: 2px 0 0; color: #5b6b80; font-size: 14px; }
form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
input {
	font: inherit;
	padding: 11px 12px;
	border: 1.5px solid #c8d3e2;
	border-radius: 10px;
	outline: none;
}
input:focus { border-color: var(--primario); box-shadow: 0 0 0 3px rgba(11, 79, 168, .18); }
button {
	font: inherit;
	font-weight: 700;
	padding: 12px;
	border: 0;
	border-radius: 10px;
	background: var(--primario);
	color: #fff;
	cursor: pointer;
}
button:hover { filter: brightness(1.08); }
.aviso { padding: 10px 12px; border-radius: 10px; font-size: 14px; margin: 0 0 14px; }
.aviso.error { background: #fdecea; color: var(--error); }
.aviso.ok { background: #e6f6ef; color: #1e7b55; }
.volver { display: inline-block; margin-top: 18px; color: #5b6b80; font-size: 14px; text-decoration: none; }
.volver:hover { color: var(--primario); }
.roles { margin: 16px 0 0; font-size: 12px; color: #7a8799; text-align: center; }